| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Adrian Hunter | 4398 | 19.13% | 74 | 16.19% |
| Andi Kleen | 3500 | 15.22% | 28 | 6.13% |
| Tom Zanussi | 2622 | 11.40% | 21 | 4.60% |
| Arnaldo Carvalho de Melo | 2564 | 11.15% | 101 | 22.10% |
| David Ahern | 2378 | 10.34% | 20 | 4.38% |
| Jiri Olsa | 2297 | 9.99% | 49 | 10.72% |
| Namhyung Kim | 715 | 3.11% | 17 | 3.72% |
| Stéphane Eranian | 591 | 2.57% | 5 | 1.09% |
| Kan Liang | 482 | 2.10% | 8 | 1.75% |
| Feng Tang | 448 | 1.95% | 4 | 0.88% |
| Ian Rogers | 365 | 1.59% | 12 | 2.63% |
| Wang Nan | 339 | 1.47% | 2 | 0.44% |
| Frédéric Weisbecker | 308 | 1.34% | 7 | 1.53% |
| Mark Santaniello | 251 | 1.09% | 3 | 0.66% |
| Akihiro Nagai | 190 | 0.83% | 4 | 0.88% |
| Jin Yao | 149 | 0.65% | 7 | 1.53% |
| Robert Richter | 140 | 0.61% | 4 | 0.88% |
| Changbin Du | 113 | 0.49% | 2 | 0.44% |
| Milian Wolff | 96 | 0.42% | 6 | 1.31% |
| Hari Bathini | 95 | 0.41% | 2 | 0.44% |
| Ingo Molnar | 64 | 0.28% | 9 | 1.97% |
| James Clark | 64 | 0.28% | 3 | 0.66% |
| Ravi Bangoria | 64 | 0.28% | 4 | 0.88% |
| Hagen Paul Pfeifer | 58 | 0.25% | 1 | 0.22% |
| Ivan Babrou | 56 | 0.24% | 1 | 0.22% |
| Anton Blanchard | 47 | 0.20% | 1 | 0.22% |
| He Kuang | 46 | 0.20% | 4 | 0.88% |
| German Gomez | 43 | 0.19% | 2 | 0.44% |
| Seeteena Thoufeek | 41 | 0.18% | 1 | 0.22% |
| Sandipan Das | 40 | 0.17% | 3 | 0.66% |
| Stephen Brennan | 38 | 0.17% | 1 | 0.22% |
| Riccardo Mancini | 34 | 0.15% | 2 | 0.44% |
| Yunlong Song | 32 | 0.14% | 2 | 0.44% |
| Song Liu | 25 | 0.11% | 2 | 0.44% |
| David Carrillo-Cisneros | 24 | 0.10% | 2 | 0.44% |
| Alexandre Truong | 24 | 0.10% | 2 | 0.44% |
| Li Wei | 24 | 0.10% | 1 | 0.22% |
| Mark Drayton | 22 | 0.10% | 1 | 0.22% |
| Arun Sharma | 20 | 0.09% | 1 | 0.22% |
| Alexey Budankov | 19 | 0.08% | 1 | 0.22% |
| Irina Tirdea | 16 | 0.07% | 2 | 0.44% |
| Mamatha Inamdar | 14 | 0.06% | 1 | 0.22% |
| Shawn Bohrer | 14 | 0.06% | 1 | 0.22% |
| Hitoshi Mitake | 14 | 0.06% | 1 | 0.22% |
| Peter Zijlstra | 11 | 0.05% | 2 | 0.44% |
| Steven Rostedt | 11 | 0.05% | 1 | 0.22% |
| Zhengjun Xing | 10 | 0.04% | 1 | 0.22% |
| Christophe Jaillet | 9 | 0.04% | 1 | 0.22% |
| Yannick Brosseau | 8 | 0.03% | 1 | 0.22% |
| Taeung Song | 7 | 0.03% | 1 | 0.22% |
| Josh Poimboeuf | 7 | 0.03% | 2 | 0.44% |
| Ben Hutchings | 6 | 0.03% | 2 | 0.44% |
| Andreas Gerstmayr | 5 | 0.02% | 1 | 0.22% |
| Ian Munsie | 4 | 0.02% | 2 | 0.44% |
| Maciek Borzecki | 4 | 0.02% | 1 | 0.22% |
| OGAWA Hirofumi | 3 | 0.01% | 1 | 0.22% |
| Leo Yan | 3 | 0.01% | 1 | 0.22% |
| Yao Jin | 3 | 0.01% | 1 | 0.22% |
| Dan Carpenter | 3 | 0.01% | 1 | 0.22% |
| Chris Phlipot | 2 | 0.01% | 1 | 0.22% |
| Yang Jihong | 2 | 0.01% | 1 | 0.22% |
| Eric B Munson | 2 | 0.01% | 1 | 0.22% |
| Li Yang | 2 | 0.01% | 1 | 0.22% |
| Diederik de Haas | 1 | 0.00% | 1 | 0.22% |
| Masami Hiramatsu | 1 | 0.00% | 1 | 0.22% |
| Andrea Gelmini | 1 | 0.00% | 1 | 0.22% |
| Sasha Levin | 1 | 0.00% | 1 | 0.22% |
| Greg Kroah-Hartman | 1 | 0.00% | 1 | 0.22% |
| Tzvetomir Stoyanov (VMware) | 1 | 0.00% | 1 | 0.22% |
| Gustavo A. R. Silva | 1 | 0.00% | 1 | 0.22% |
| shaomin Deng | 1 | 0.00% | 1 | 0.22% |
| Anshuman Khandual | 1 | 0.00% | 1 | 0.22% |
| Total | 22995 | 457 |
// SPDX-License-Identifier: GPL-2.0 #include "builtin.h" #include "util/counts.h" #include "util/debug.h" #include "util/dso.h" #include <subcmd/exec-cmd.h> #include "util/header.h" #include <subcmd/parse-options.h> #include "util/perf_regs.h" #include "util/session.h" #include "util/tool.h" #include "util/map.h" #include "util/srcline.h" #include "util/symbol.h" #include "util/thread.h" #include "util/trace-event.h" #include "util/env.h" #include "util/evlist.h" #include "util/evsel.h" #include "util/evsel_fprintf.h" #include "util/evswitch.h" #include "util/sort.h" #include "util/data.h" #include "util/auxtrace.h" #include "util/cpumap.h" #include "util/thread_map.h" #include "util/stat.h" #include "util/color.h" #include "util/string2.h" #include "util/thread-stack.h" #include "util/time-utils.h" #include "util/path.h" #include "util/event.h" #include "ui/ui.h" #include "print_binary.h" #include "archinsn.h" #include <linux/bitmap.h> #include <linux/kernel.h> #include <linux/stringify.h> #include <linux/time64.h> #include <linux/zalloc.h> #include <sys/utsname.h> #include "asm/bug.h" #include "util/mem-events.h" #include "util/dump-insn.h" #include <dirent.h> #include <errno.h> #include <inttypes.h> #include <signal.h> #include <sys/param.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> #include <subcmd/pager.h> #include <perf/evlist.h> #include <linux/err.h> #include "util/dlfilter.h" #include "util/record.h" #include "util/util.h" #include "util/cgroup.h" #include "perf.h" #include <linux/ctype.h> #ifdef HAVE_LIBTRACEEVENT #include <traceevent/event-parse.h> #endif static char const *script_name; static char const *generate_script_lang; static bool reltime; static bool deltatime; static u64 initial_time; static u64 previous_time; static bool debug_mode; static u64 last_timestamp; static u64 nr_unordered; static bool no_callchain; static bool latency_format; static bool system_wide; static bool print_flags; static const char *cpu_list; static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); static struct perf_stat_config stat_config; static int max_blocks; static bool native_arch; static struct dlfilter *dlfilter; static int dlargc; static char **dlargv; unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; enum perf_output_field { PERF_OUTPUT_COMM = 1ULL << 0, PERF_OUTPUT_TID = 1ULL << 1, PERF_OUTPUT_PID = 1ULL << 2, PERF_OUTPUT_TIME = 1ULL << 3, PERF_OUTPUT_CPU = 1ULL << 4, PERF_OUTPUT_EVNAME = 1ULL << 5, PERF_OUTPUT_TRACE = 1ULL << 6, PERF_OUTPUT_IP = 1ULL << 7, PERF_OUTPUT_SYM = 1ULL << 8, PERF_OUTPUT_DSO = 1ULL << 9, PERF_OUTPUT_ADDR = 1ULL << 10, PERF_OUTPUT_SYMOFFSET = 1ULL << 11, PERF_OUTPUT_SRCLINE = 1ULL << 12, PERF_OUTPUT_PERIOD = 1ULL << 13, PERF_OUTPUT_IREGS = 1ULL << 14, PERF_OUTPUT_BRSTACK = 1ULL << 15, PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, PERF_OUTPUT_DATA_SRC = 1ULL << 17, PERF_OUTPUT_WEIGHT = 1ULL << 18, PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, PERF_OUTPUT_CALLINDENT = 1ULL << 20, PERF_OUTPUT_INSN = 1ULL << 21, PERF_OUTPUT_INSNLEN = 1ULL << 22, PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, PERF_OUTPUT_SYNTH = 1ULL << 25, PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, PERF_OUTPUT_UREGS = 1ULL << 27, PERF_OUTPUT_METRIC = 1ULL << 28, PERF_OUTPUT_MISC = 1ULL << 29, PERF_OUTPUT_SRCCODE = 1ULL << 30, PERF_OUTPUT_IPC = 1ULL << 31, PERF_OUTPUT_TOD = 1ULL << 32, PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, PERF_OUTPUT_INS_LAT = 1ULL << 35, PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36, PERF_OUTPUT_MACHINE_PID = 1ULL << 37, PERF_OUTPUT_VCPU = 1ULL << 38, PERF_OUTPUT_CGROUP = 1ULL << 39, PERF_OUTPUT_RETIRE_LAT = 1ULL << 40, PERF_OUTPUT_DSOFF = 1ULL << 41, }; struct perf_script { struct perf_tool tool; struct perf_session *session; bool show_task_events; bool show_mmap_events; bool show_switch_events; bool show_namespace_events; bool show_lost_events; bool show_round_events; bool show_bpf_events; bool show_cgroup_events; bool show_text_poke_events; bool allocated; bool per_event_dump; bool stitch_lbr; struct evswitch evswitch; struct perf_cpu_map *cpus; struct perf_thread_map *threads; int name_width; const char *time_str; struct perf_time_interval *ptime_range; int range_size; int range_num; }; struct output_option { const char *str; enum perf_output_field field; } all_output_options[] = { {.str = "comm", .field = PERF_OUTPUT_COMM}, {.str = "tid", .field = PERF_OUTPUT_TID}, {.str = "pid", .field = PERF_OUTPUT_PID}, {.str = "time", .field = PERF_OUTPUT_TIME}, {.str = "cpu", .field = PERF_OUTPUT_CPU}, {.str = "event", .field = PERF_OUTPUT_EVNAME}, {.str = "trace", .field = PERF_OUTPUT_TRACE}, {.str = "ip", .field = PERF_OUTPUT_IP}, {.str = "sym", .field = PERF_OUTPUT_SYM}, {.str = "dso", .field = PERF_OUTPUT_DSO}, {.str = "dsoff", .field = PERF_OUTPUT_DSOFF}, {.str = "addr", .field = PERF_OUTPUT_ADDR}, {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, {.str = "period", .field = PERF_OUTPUT_PERIOD}, {.str = "iregs", .field = PERF_OUTPUT_IREGS}, {.str = "uregs", .field = PERF_OUTPUT_UREGS}, {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, {.str = "insn", .field = PERF_OUTPUT_INSN}, {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, {.str = "synth", .field = PERF_OUTPUT_SYNTH}, {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, {.str = "metric", .field = PERF_OUTPUT_METRIC}, {.str = "misc", .field = PERF_OUTPUT_MISC}, {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, {.str = "ipc", .field = PERF_OUTPUT_IPC}, {.str = "tod", .field = PERF_OUTPUT_TOD}, {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID}, {.str = "vcpu", .field = PERF_OUTPUT_VCPU}, {.str = "cgroup", .field = PERF_OUTPUT_CGROUP}, {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT}, }; enum { OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, OUTPUT_TYPE_OTHER, OUTPUT_TYPE_MAX }; /* default set to maintain compatibility with current format */ static struct { bool user_set; bool wildcard_set; unsigned int print_ip_opts; u64 fields; u64 invalid_fields; u64 user_set_fields; u64 user_unset_fields; } output[OUTPUT_TYPE_MAX] = { [PERF_TYPE_HARDWARE] = { .user_set = false, .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, }, [PERF_TYPE_SOFTWARE] = { .user_set = false, .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT, .invalid_fields = PERF_OUTPUT_TRACE, }, [PERF_TYPE_TRACEPOINT] = { .user_set = false, .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE }, [PERF_TYPE_HW_CACHE] = { .user_set = false, .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, }, [PERF_TYPE_RAW] = { .user_set = false, .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT, .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, }, [PERF_TYPE_BREAKPOINT] = { .user_set = false, .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, }, [OUTPUT_TYPE_SYNTH] = { .user_set = false, .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, }, [OUTPUT_TYPE_OTHER] = { .user_set = false, .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, }, }; struct evsel_script { char *filename; FILE *fp; u64 samples; /* For metric output */ u64 val; int gnum; }; static inline struct evsel_script *evsel_script(struct evsel *evsel) { return (struct evsel_script *)evsel->priv; } static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) { struct evsel_script *es = zalloc(sizeof(*es)); if (es != NULL) { if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) goto out_free; es->fp = fopen(es->filename, "w"); if (es->fp == NULL) goto out_free_filename; } return es; out_free_filename: zfree(&es->filename); out_free: free(es); return NULL; } static void evsel_script__delete(struct evsel_script *es) { zfree(&es->filename); fclose(es->fp); es->fp = NULL; free(es); } static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) { struct stat st; fstat(fileno(es->fp), &st); return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", st.st_size / 1024.0 / 1024.0, es->filename, es->samples); } static inline int output_type(unsigned int type) { switch (type) { case PERF_TYPE_SYNTH: return OUTPUT_TYPE_SYNTH; default: if (type < PERF_TYPE_MAX) return type; } return OUTPUT_TYPE_OTHER; } static bool output_set_by_user(void) { int j; for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { if (output[j].user_set) return true; } return false; } static const char *output_field2str(enum perf_output_field field) { int i, imax = ARRAY_SIZE(all_output_options); const char *str = ""; for (i = 0; i < imax; ++i) { if (all_output_options[i].field == field) { str = all_output_options[i].str; break; } } return str; } #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, enum perf_output_field field, bool allow_user_set) { struct perf_event_attr *attr = &evsel->core.attr; int type = output_type(attr->type); const char *evname; if (attr->sample_type & sample_type) return 0; if (output[type].user_set_fields & field) { if (allow_user_set) return 0; evname = evsel__name(evsel); pr_err("Samples for '%s' event do not have %s attribute set. " "Cannot print '%s' field.\n", evname, sample_msg, output_field2str(field)); return -1; } /* user did not ask for it explicitly so remove from the default list */ output[type].fields &= ~field; evname = evsel__name(evsel); pr_debug("Samples for '%s' event do not have %s attribute set. " "Skipping '%s' field.\n", evname, sample_msg, output_field2str(field)); return 0; } static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, enum perf_output_field field) { return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); } static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) { struct perf_event_attr *attr = &evsel->core.attr; bool allow_user_set; if (evsel__is_dummy_event(evsel)) return 0; if (perf_header__has_feat(&session->header, HEADER_STAT)) return 0; allow_user_set = perf_header__has_feat(&session->header, HEADER_AUXTRACE); if (PRINT_FIELD(TRACE) && !perf_session__has_traces(session, "record -R")) return -EINVAL; if (PRINT_FIELD(IP)) { if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) return -EINVAL; } if (PRINT_FIELD(ADDR) && evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) return -EINVAL; if (PRINT_FIELD(DATA_SRC) && evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) return -EINVAL; if (PRINT_FIELD(WEIGHT) && evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) return -EINVAL; if (PRINT_FIELD(SYM) && !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { pr_err("Display of symbols requested but neither sample IP nor " "sample address\navailable. Hence, no addresses to convert " "to symbols.\n"); return -EINVAL; } if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { pr_err("Display of offsets requested but symbol is not" "selected.\n"); return -EINVAL; } if (PRINT_FIELD(DSO) && !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { pr_err("Display of DSO requested but no address to convert.\n"); return -EINVAL; } if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { pr_err("Display of source line number requested but sample IP is not\n" "selected. Hence, no address to lookup the source line number.\n"); return -EINVAL; } if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set && !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" "Hint: run 'perf record -b ...'\n"); return -EINVAL; } if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) return -EINVAL; if (PRINT_FIELD(TIME) && evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) return -EINVAL; if (PRINT_FIELD(CPU) && evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) return -EINVAL; if (PRINT_FIELD(IREGS) && evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) return -EINVAL; if (PRINT_FIELD(UREGS) && evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) return -EINVAL; if (PRINT_FIELD(PHYS_ADDR) && evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) return -EINVAL; if (PRINT_FIELD(DATA_PAGE_SIZE) && evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) return -EINVAL; if (PRINT_FIELD(CODE_PAGE_SIZE) && evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) return -EINVAL; if (PRINT_FIELD(INS_LAT) && evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) return -EINVAL; if (PRINT_FIELD(CGROUP) && evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) { pr_err("Hint: run 'perf record --all-cgroups ...'\n"); return -EINVAL; } if (PRINT_FIELD(RETIRE_LAT) && evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT)) return -EINVAL; return 0; } static void set_print_ip_opts(struct perf_event_attr *attr) { unsigned int type = output_type(attr->type); output[type].print_ip_opts = 0; if (PRINT_FIELD(IP)) output[type].print_ip_opts |= EVSEL__PRINT_IP; if (PRINT_FIELD(SYM)) output[type].print_ip_opts |= EVSEL__PRINT_SYM; if (PRINT_FIELD(DSO)) output[type].print_ip_opts |= EVSEL__PRINT_DSO; if (PRINT_FIELD(DSOFF)) output[type].print_ip_opts |= EVSEL__PRINT_DSOFF; if (PRINT_FIELD(SYMOFFSET)) output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; if (PRINT_FIELD(SRCLINE)) output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; } static struct evsel *find_first_output_type(struct evlist *evlist, unsigned int type) { struct evsel *evsel; evlist__for_each_entry(evlist, evsel) { if (evsel__is_dummy_event(evsel)) continue; if (output_type(evsel->core.attr.type) == (int)type) return evsel; } return NULL; } /* * verify all user requested events exist and the samples * have the expected data */ static int perf_session__check_output_opt(struct perf_session *session) { bool tod = false; unsigned int j; struct evsel *evsel; for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { evsel = find_first_output_type(session->evlist, j); /* * even if fields is set to 0 (ie., show nothing) event must * exist if user explicitly includes it on the command line */ if (!evsel && output[j].user_set && !output[j].wildcard_set && j != OUTPUT_TYPE_SYNTH) { pr_err("%s events do not exist. " "Remove corresponding -F option to proceed.\n", event_type(j)); return -1; } if (evsel && output[j].fields && evsel__check_attr(evsel, session)) return -1; if (evsel == NULL) continue; /* 'dsoff' implys 'dso' field */ if (output[j].fields & PERF_OUTPUT_DSOFF) output[j].fields |= PERF_OUTPUT_DSO; set_print_ip_opts(&evsel->core.attr); tod |= output[j].fields & PERF_OUTPUT_TOD; } if (!no_callchain) { bool use_callchain = false; bool not_pipe = false; evlist__for_each_entry(session->evlist, evsel) { not_pipe = true; if (evsel__has_callchain(evsel)) { use_callchain = true; break; } } if (not_pipe && !use_callchain) symbol_conf.use_callchain = false; } /* * set default for tracepoints to print symbols only * if callchains are present */ if (symbol_conf.use_callchain && !output[PERF_TYPE_TRACEPOINT].user_set) { j = PERF_TYPE_TRACEPOINT; evlist__for_each_entry(session->evlist, evsel) { if (evsel->core.attr.type != j) continue; if (evsel__has_callchain(evsel)) { output[j].fields |= PERF_OUTPUT_IP; output[j].fields |= PERF_OUTPUT_SYM; output[j].fields |= PERF_OUTPUT_SYMOFFSET; output[j].fields |= PERF_OUTPUT_DSO; set_print_ip_opts(&evsel->core.attr); goto out; } } } if (tod && !session->header.env.clock.enabled) { pr_err("Can't provide 'tod' time, missing clock data. " "Please record with -k/--clockid option.\n"); return -1; } out: return 0; } static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, FILE *fp) { unsigned i = 0, r; int printed = 0; if (!regs || !regs->regs) return 0; printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { u64 val = regs->regs[i++]; printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); } return printed; } #define DEFAULT_TOD_FMT "%F %H:%M:%S" static char* tod_scnprintf(struct perf_script *script, char *buf, int buflen, u64 timestamp) { u64 tod_ns, clockid_ns; struct perf_env *env; unsigned long nsec; struct tm ltime; char date[64]; time_t sec; buf[0] = '\0'; if (buflen < 64 || !script) return buf; env = &script->session->header.env; if (!env->clock.enabled) { scnprintf(buf, buflen, "disabled"); return buf; } clockid_ns = env->clock.clockid_ns; tod_ns = env->clock.tod_ns; if (timestamp > clockid_ns) tod_ns += timestamp - clockid_ns; else tod_ns -= clockid_ns - timestamp; sec = (time_t) (tod_ns / NSEC_PER_SEC); nsec = tod_ns - sec * NSEC_PER_SEC; if (localtime_r(&sec, <ime) == NULL) { scnprintf(buf, buflen, "failed"); } else { strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); if (symbol_conf.nanosecs) { snprintf(buf, buflen, "%s.%09lu", date, nsec); } else { snprintf(buf, buflen, "%s.%06lu", date, nsec / NSEC_PER_USEC); } } return buf; } static int perf_sample__fprintf_iregs(struct perf_sample *sample, struct perf_event_attr *attr, const char *arch, FILE *fp) { return perf_sample__fprintf_regs(&sample->intr_regs, attr->sample_regs_intr, arch, fp); } static int perf_sample__fprintf_uregs(struct perf_sample *sample, struct perf_event_attr *attr, const char *arch, FILE *fp) { return perf_sample__fprintf_regs(&sample->user_regs, attr->sample_regs_user, arch, fp); } static int perf_sample__fprintf_start(struct perf_script *script, struct perf_sample *sample, struct thread *thread, struct evsel *evsel, u32 type, FILE *fp) { struct perf_event_attr *attr = &evsel->core.attr; unsigned long secs; unsigned long long nsecs; int printed = 0; char tstr[128]; if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) printed += fprintf(fp, "VM:%5d ", sample->machine_pid); /* Print VCPU only for guest events i.e. with machine_pid */ if (PRINT_FIELD(VCPU) && sample->machine_pid) printed += fprintf(fp, "VCPU:%03d ", sample->vcpu); if (PRINT_FIELD(COMM)) { const char *comm = thread ? thread__comm_str(thread) : ":-1"; if (latency_format) printed += fprintf(fp, "%8.8s ", comm); else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) printed += fprintf(fp, "%s ", comm); else printed += fprintf(fp, "%16s ", comm); } if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid); else if (PRINT_FIELD(PID)) printed += fprintf(fp, "%7d ", sample->pid); else if (PRINT_FIELD(TID)) printed += fprintf(fp, "%7d ", sample->tid); if (PRINT_FIELD(CPU)) { if (latency_format) printed += fprintf(fp, "%3d ", sample->cpu); else printed += fprintf(fp, "[%03d] ", sample->cpu); } if (PRINT_FIELD(MISC)) { int ret = 0; #define has(m) \ (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m if (has(KERNEL)) ret += fprintf(fp, "K"); if (has(USER)) ret += fprintf(fp, "U"); if (has(HYPERVISOR)) ret += fprintf(fp, "H"); if (has(GUEST_KERNEL)) ret += fprintf(fp, "G"); if (has(GUEST_USER)) ret += fprintf(fp, "g"); switch (type) { case PERF_RECORD_MMAP: case PERF_RECORD_MMAP2: if (has(MMAP_DATA)) ret += fprintf(fp, "M"); break; case PERF_RECORD_COMM: if (has(COMM_EXEC)) ret += fprintf(fp, "E"); break; case PERF_RECORD_SWITCH: case PERF_RECORD_SWITCH_CPU_WIDE: if (has(SWITCH_OUT)) { ret += fprintf(fp, "S"); if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) ret += fprintf(fp, "p"); } default: break; } #undef has ret += fprintf(fp, "%*s", 6 - ret, " "); printed += ret; } if (PRINT_FIELD(TOD)) { tod_scnprintf(script, tstr, sizeof(tstr), sample->time); printed += fprintf(fp, "%s ", tstr); } if (PRINT_FIELD(TIME)) { u64 t = sample->time; if (reltime) { if (!initial_time) initial_time = sample->time; t = sample->time - initial_time; } else if (deltatime) { if (previous_time) t = sample->time - previous_time; else { t = 0; } previous_time = sample->time; } nsecs = t; secs = nsecs / NSEC_PER_SEC; nsecs -= secs * NSEC_PER_SEC; if (symbol_conf.nanosecs) printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); else { char sample_time[32]; timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); printed += fprintf(fp, "%12s: ", sample_time); } } return printed; } static inline char mispred_str(struct branch_entry *br) { if (!(br->flags.mispred || br->flags.predicted)) return '-'; return br->flags.predicted ? 'P' : 'M'; } static int print_bstack_flags(FILE *fp, struct branch_entry *br) { return fprintf(fp, "/%c/%c/%c/%d/%s/%s ", mispred_str(br), br->flags.in_tx ? 'X' : '-', br->flags.abort ? 'A' : '-', br->flags.cycles, get_branch_type(br), br->flags.spec ? branch_spec_desc(br->flags.spec) : "-"); } static int perf_sample__fprintf_brstack(struct perf_sample *sample, struct thread *thread, struct perf_event_attr *attr, FILE *fp) { struct branch_stack *br = sample->branch_stack; struct branch_entry *entries = perf_sample__branch_entries(sample); u64 i, from, to; int printed = 0; if (!(br && br->nr)) return 0; for (i = 0; i < br->nr; i++) { from = entries[i].from; to = entries[i].to; printed += fprintf(fp, " 0x%"PRIx64, from); if (PRINT_FIELD(DSO)) { struct addr_location alf, alt; addr_location__init(&alf); addr_location__init(&alt); thread__find_map_fb(thread, sample->cpumode, from, &alf); thread__find_map_fb(thread, sample->cpumode, to, &alt); printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); printed += fprintf(fp, "/0x%"PRIx64, to); printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); addr_location__exit(&alt); addr_location__exit(&alf); } else printed += fprintf(fp, "/0x%"PRIx64, to); printed += print_bstack_flags(fp, entries + i); } return printed; } static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, struct thread *thread, struct perf_event_attr *attr, FILE *fp) { struct branch_stack *br = sample->branch_stack; struct branch_entry *entries = perf_sample__branch_entries(sample); u64 i, from, to; int printed = 0; if (!(br && br->nr)) return 0; for (i = 0; i < br->nr; i++) { struct addr_location alf, alt; addr_location__init(&alf); addr_location__init(&alt); from = entries[i].from; to = entries[i].to; thread__find_symbol_fb(thread, sample->cpumode, from, &alf); thread__find_symbol_fb(thread, sample->cpumode, to, &alt); printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); if (PRINT_FIELD(DSO)) printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); printed += fprintf(fp, "%c", '/'); printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); if (PRINT_FIELD(DSO)) printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); printed += print_bstack_flags(fp, entries + i); addr_location__exit(&alt); addr_location__exit(&alf); } return printed; } static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, struct thread *thread, struct perf_event_attr *attr, FILE *fp) { struct branch_stack *br = sample->branch_stack; struct branch_entry *entries = perf_sample__branch_entries(sample); u64 i, from, to; int printed = 0; if (!(br && br->nr)) return 0; for (i = 0; i < br->nr; i++) { struct addr_location alf, alt; addr_location__init(&alf); addr_location__init(&alt); from = entries[i].from; to = entries[i].to; if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && !map__dso(alf.map)->adjust_symbols) from = map__dso_map_ip(alf.map, from); if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && !map__dso(alt.map)->adjust_symbols) to = map__dso_map_ip(alt.map, to); printed += fprintf(fp, " 0x%"PRIx64, from); if (PRINT_FIELD(DSO)) printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); printed += fprintf(fp, "/0x%"PRIx64, to); if (PRINT_FIELD(DSO)) printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); printed += print_bstack_flags(fp, entries + i); addr_location__exit(&alt); addr_location__exit(&alf); } return printed; } #define MAXBB 16384UL static int grab_bb(u8 *buffer, u64 start, u64 end, struct machine *machine, struct thread *thread, bool *is64bit, u8 *cpumode, bool last) { long offset, len; struct addr_location al; bool kernel; struct dso *dso; int ret = 0; if (!start || !end) return 0; kernel = machine__kernel_ip(machine, start); if (kernel) *cpumode = PERF_RECORD_MISC_KERNEL; else *cpumode = PERF_RECORD_MISC_USER; /* * Block overlaps between kernel and user. * This can happen due to ring filtering * On Intel CPUs the entry into the kernel is filtered, * but the exit is not. Let the caller patch it up. */ if (kernel != machine__kernel_ip(machine, end)) { pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); return -ENXIO; } if (end - start > MAXBB - MAXINSN) { if (last) pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); else pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); return 0; } addr_location__init(&al); if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) { pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); goto out; } if (dso->data.status == DSO_DATA_STATUS_ERROR) { pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); goto out; } /* Load maps to ensure dso->is_64_bit has been updated */ map__load(al.map); offset = map__map_ip(al.map, start); len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer, end - start + MAXINSN); *is64bit = dso->is_64_bit; if (len <= 0) pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", start, end); ret = len; out: addr_location__exit(&al); return ret; } static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) { char *srcfile; int ret = 0; unsigned line; int len; char *srccode; struct dso *dso; if (!map || (dso = map__dso(map)) == NULL) return 0; srcfile = get_srcline_split(dso, map__rip_2objdump(map, addr), &line); if (!srcfile) return 0; /* Avoid redundant printing */ if (state && state->srcfile && !strcmp(state->srcfile, srcfile) && state->line == line) { free(srcfile); return 0; } srccode = find_sourceline(srcfile, line, &len); if (!srccode) goto out_free_line; ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); if (state) { state->srcfile = srcfile; state->line = line; } return ret; out_free_line: free(srcfile); return ret; } static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) { struct addr_location al; int ret = 0; addr_location__init(&al); thread__find_map(thread, cpumode, addr, &al); if (!al.map) goto out; ret = map__fprintf_srccode(al.map, al.addr, stdout, thread__srccode_state(thread)); if (ret) ret += printf("\n"); out: addr_location__exit(&al); return ret; } static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, struct perf_insn *x, u8 *inbuf, int len, int insn, FILE *fp, int *total_cycles, struct perf_event_attr *attr) { int ilen = 0; int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip, dump_insn(x, ip, inbuf, len, &ilen)); if (PRINT_FIELD(BRSTACKINSNLEN)) printed += fprintf(fp, "ilen: %d\t", ilen); printed += fprintf(fp, "#%s%s%s%s", en->flags.predicted ? " PRED" : "", en->flags.mispred ? " MISPRED" : "", en->flags.in_tx ? " INTX" : "", en->flags.abort ? " ABORT" : ""); if (en->flags.cycles) { *total_cycles += en->flags.cycles; printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); if (insn) printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); } return printed + fprintf(fp, "\n"); } static int ip__fprintf_sym(uint64_t addr, struct thread *thread, u8 cpumode, int cpu, struct symbol **lastsym, struct perf_event_attr *attr, FILE *fp) { struct addr_location al; int off, printed = 0, ret = 0; addr_location__init(&al); thread__find_map(thread, cpumode, addr, &al); if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) goto out; al.cpu = cpu; al.sym = NULL; if (al.map) al.sym = map__find_symbol(al.map, al.addr); if (!al.sym) goto out; if (al.addr < al.sym->end) off = al.addr - al.sym->start; else off = al.addr - map__start(al.map) - al.sym->start; printed += fprintf(fp, "\t%s", al.sym->name); if (off) printed += fprintf(fp, "%+d", off); printed += fprintf(fp, ":"); if (PRINT_FIELD(SRCLINE)) printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); printed += fprintf(fp, "\n"); *lastsym = al.sym; ret = printed; out: addr_location__exit(&al); return ret; } static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, struct thread *thread, struct perf_event_attr *attr, struct machine *machine, FILE *fp) { struct branch_stack *br = sample->branch_stack; struct branch_entry *entries = perf_sample__branch_entries(sample); u64 start, end; int i, insn, len, nr, ilen, printed = 0; struct perf_insn x; u8 buffer[MAXBB]; unsigned off; struct symbol *lastsym = NULL; int total_cycles = 0; if (!(br && br->nr)) return 0; nr = br->nr; if (max_blocks && nr > max_blocks + 1) nr = max_blocks + 1; x.thread = thread; x.cpu = sample->cpu; printed += fprintf(fp, "%c", '\n'); /* Handle first from jump, of which we don't know the entry. */ len = grab_bb(buffer, entries[nr-1].from, entries[nr-1].from, machine, thread, &x.is64bit, &x.cpumode, false); if (len > 0) { printed += ip__fprintf_sym(entries[nr - 1].from, thread, x.cpumode, x.cpu, &lastsym, attr, fp); printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], &x, buffer, len, 0, fp, &total_cycles, attr); if (PRINT_FIELD(SRCCODE)) printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); } /* Print all blocks */ for (i = nr - 2; i >= 0; i--) { if (entries[i].from || entries[i].to) pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, entries[i].from, entries[i].to); start = entries[i + 1].to; end = entries[i].from; len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); /* Patch up missing kernel transfers due to ring filters */ if (len == -ENXIO && i > 0) { end = entries[--i].from; pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); } if (len <= 0) continue; insn = 0; for (off = 0; off < (unsigned)len; off += ilen) { uint64_t ip = start + off; printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); if (ip == end) { printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, &total_cycles, attr); if (PRINT_FIELD(SRCCODE)) printed += print_srccode(thread, x.cpumode, ip); break; } else { ilen = 0; printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip, dump_insn(&x, ip, buffer + off, len - off, &ilen)); if (PRINT_FIELD(BRSTACKINSNLEN)) printed += fprintf(fp, "\tilen: %d", ilen); printed += fprintf(fp, "\n"); if (ilen == 0) break; if (PRINT_FIELD(SRCCODE)) print_srccode(thread, x.cpumode, ip); insn++; } } if (off != end - start) printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); } /* * Hit the branch? In this case we are already done, and the target * has not been executed yet. */ if (entries[0].from == sample->ip) goto out; if (entries[0].flags.abort) goto out; /* * Print final block up to sample * * Due to pipeline delays the LBRs might be missing a branch * or two, which can result in very large or negative blocks * between final branch and sample. When this happens just * continue walking after the last TO until we hit a branch. */ start = entries[0].to; end = sample->ip; if (end < start) { /* Missing jump. Scan 128 bytes for the next branch */ end = start + 128; } len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); if (len <= 0) { /* Print at least last IP if basic block did not work */ len = grab_bb(buffer, sample->ip, sample->ip, machine, thread, &x.is64bit, &x.cpumode, false); if (len <= 0) goto out; ilen = 0; printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip, dump_insn(&x, sample->ip, buffer, len, &ilen)); if (PRINT_FIELD(BRSTACKINSNLEN)) printed += fprintf(fp, "\tilen: %d", ilen); printed += fprintf(fp, "\n"); if (PRINT_FIELD(SRCCODE)) print_srccode(thread, x.cpumode, sample->ip); goto out; } for (off = 0; off <= end - start; off += ilen) { ilen = 0; printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off, dump_insn(&x, start + off, buffer + off, len - off, &ilen)); if (PRINT_FIELD(BRSTACKINSNLEN)) printed += fprintf(fp, "\tilen: %d", ilen); printed += fprintf(fp, "\n"); if (ilen == 0) break; if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { /* * Hit a missing branch. Just stop. */ printed += fprintf(fp, "\t... not reaching sample ...\n"); break; } if (PRINT_FIELD(SRCCODE)) print_srccode(thread, x.cpumode, start + off); } out: return printed; } static int perf_sample__fprintf_addr(struct perf_sample *sample, struct thread *thread, struct perf_event_attr *attr, FILE *fp) { struct addr_location al; int printed = fprintf(fp, "%16" PRIx64, sample->addr); addr_location__init(&al); if (!sample_addr_correlates_sym(attr)) goto out; thread__resolve(thread, &al, sample); if (PRINT_FIELD(SYM)) { printed += fprintf(fp, " "); if (PRINT_FIELD(SYMOFFSET)) printed += symbol__fprintf_symname_offs(al.sym, &al, fp); else printed += symbol__fprintf_symname(al.sym, fp); } if (PRINT_FIELD(DSO)) printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp); out: addr_location__exit(&al); return printed; } static const char *resolve_branch_sym(struct perf_sample *sample, struct evsel *evsel, struct thread *thread, struct addr_location *al, struct addr_location *addr_al, u64 *ip) { struct perf_event_attr *attr = &evsel->core.attr; const char *name = NULL; if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { if (sample_addr_correlates_sym(attr)) { if (!addr_al->thread) thread__resolve(thread, addr_al, sample); if (addr_al->sym) name = addr_al->sym->name; else *ip = sample->addr; } else { *ip = sample->addr; } } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { if (al->sym) name = al->sym->name; else *ip = sample->ip; } return name; } static int perf_sample__fprintf_callindent(struct perf_sample *sample, struct evsel *evsel, struct thread *thread, struct addr_location *al, struct addr_location *addr_al, FILE *fp) { struct perf_event_attr *attr = &evsel->core.attr; size_t depth = thread_stack__depth(thread, sample->cpu); const char *name = NULL; static int spacing; int len = 0; int dlen = 0; u64 ip = 0; /* * The 'return' has already been popped off the stack so the depth has * to be adjusted to match the 'call'. */ if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN) depth += 1; name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { dlen += fprintf(fp, "("); dlen += map__fprintf_dsoname(al->map, fp); dlen += fprintf(fp, ")\t"); } if (name) len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); else if (ip) len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); if (len < 0) return len; /* * Try to keep the output length from changing frequently so that the * output lines up more nicely. */ if (len > spacing || (len && len < spacing - 52)) spacing = round_up(len + 4, 32); if (len < spacing) len += fprintf(fp, "%*s", spacing - len, ""); return len + dlen; } __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, struct thread *thread __maybe_unused, struct machine *machine __maybe_unused) { } void script_fetch_insn(struct perf_sample *sample, struct thread *thread, struct machine *machine) { if (sample->insn_len == 0 && native_arch) arch_fetch_insn(sample, thread, machine); } static int perf_sample__fprintf_insn(struct perf_sample *sample, struct perf_event_attr *attr, struct thread *thread, struct machine *machine, FILE *fp) { int printed = 0; script_fetch_insn(sample, thread, machine); if (PRINT_FIELD(INSNLEN)) printed += fprintf(fp, " ilen: %d", sample->insn_len); if (PRINT_FIELD(INSN) && sample->insn_len) { int i; printed += fprintf(fp, " insn:"); for (i = 0; i < sample->insn_len; i++) printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); } if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); return printed; } static int perf_sample__fprintf_ipc(struct perf_sample *sample, struct perf_event_attr *attr, FILE *fp) { unsigned int ipc; if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) return 0; ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); } static int perf_sample__fprintf_bts(struct perf_sample *sample, struct evsel *evsel, struct thread *thread, struct addr_location *al, struct addr_location *addr_al, struct machine *machine, FILE *fp) { struct perf_event_attr *attr = &evsel->core.attr; unsigned int type = output_type(attr->type); bool print_srcline_last = false; int printed = 0; if (PRINT_FIELD(CALLINDENT)) printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); /* print branch_from information */ if (PRINT_FIELD(IP)) { unsigned int print_opts = output[type].print_ip_opts; struct callchain_cursor *cursor = NULL; if (symbol_conf.use_callchain && sample->callchain) { cursor = get_tls_callchain_cursor(); if (thread__resolve_callchain(al->thread, cursor, evsel, sample, NULL, NULL, scripting_max_stack)) cursor = NULL; } if (cursor == NULL) { printed += fprintf(fp, " "); if (print_opts & EVSEL__PRINT_SRCLINE) { print_srcline_last = true; print_opts &= ~EVSEL__PRINT_SRCLINE; } } else printed += fprintf(fp, "\n"); printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, symbol_conf.bt_stop_list, fp); } /* print branch_to information */ if (PRINT_FIELD(ADDR) || ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && !output[type].user_set)) { printed += fprintf(fp, " => "); printed += perf_sample__fprintf_addr(sample, thread, attr, fp); } printed += perf_sample__fprintf_ipc(sample, attr, fp); if (print_srcline_last) printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); printed += fprintf(fp, "\n"); if (PRINT_FIELD(SRCCODE)) { int ret = map__fprintf_srccode(al->map, al->addr, stdout, thread__srccode_state(thread)); if (ret) { printed += ret; printed += printf("\n"); } } return printed; } static struct { u32 flags; const char *name; } sample_flags[] = { {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, {PERF_IP_FLAG_BRANCH, "jmp"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, {0, NULL} }; static const char *sample_flags_to_name(u32 flags) { int i; for (i = 0; sample_flags[i].name ; i++) { if (sample_flags[i].flags == flags) return sample_flags[i].name; } return NULL; } int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) { u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | PERF_IP_FLAG_INTR_TOGGLE; const char *chars = PERF_IP_FLAG_CHARS; const size_t n = strlen(PERF_IP_FLAG_CHARS); const char *name = NULL; size_t i, pos = 0; char xs[16] = {0}; if (flags & xf) snprintf(xs, sizeof(xs), "(%s%s%s)", flags & PERF_IP_FLAG_IN_TX ? "x" : "", flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); name = sample_flags_to_name(flags & ~xf); if (name) return snprintf(str, sz, "%-15s%6s", name, xs); if (flags & PERF_IP_FLAG_TRACE_BEGIN) { name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); if (name) return snprintf(str, sz, "tr strt %-7s%6s", name, xs); } if (flags & PERF_IP_FLAG_TRACE_END) { name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); if (name) return snprintf(str, sz, "tr end %-7s%6s", name, xs); } for (i = 0; i < n; i++, flags >>= 1) { if ((flags & 1) && pos < sz) str[pos++] = chars[i]; } for (; i < 32; i++, flags >>= 1) { if ((flags & 1) && pos < sz) str[pos++] = '?'; } if (pos < sz) str[pos] = 0; return pos; } static int perf_sample__fprintf_flags(u32 flags, FILE *fp) { char str[SAMPLE_FLAGS_BUF_SIZE]; perf_sample__sprintf_flags(flags, str, sizeof(str)); return fprintf(fp, " %-21s ", str); } struct printer_data { int line_no; bool hit_nul; bool is_printable; }; static int sample__fprintf_bpf_output(enum binary_printer_ops op, unsigned int val, void *extra, FILE *fp) { unsigned char ch = (unsigned char)val; struct printer_data *printer_data = extra; int printed = 0; switch (op) { case BINARY_PRINT_DATA_BEGIN: printed += fprintf(fp, "\n"); break; case BINARY_PRINT_LINE_BEGIN: printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : " "); break; case BINARY_PRINT_ADDR: printed += fprintf(fp, " %04x:", val); break; case BINARY_PRINT_NUM_DATA: printed += fprintf(fp, " %02x", val); break; case BINARY_PRINT_NUM_PAD: printed += fprintf(fp, " "); break; case BINARY_PRINT_SEP: printed += fprintf(fp, " "); break; case BINARY_PRINT_CHAR_DATA: if (printer_data->hit_nul && ch) printer_data->is_printable = false; if (!isprint(ch)) { printed += fprintf(fp, "%c", '.'); if (!printer_data->is_printable) break; if (ch == '\0') printer_data->hit_nul = true; else printer_data->is_printable = false; } else { printed += fprintf(fp, "%c", ch); } break; case BINARY_PRINT_CHAR_PAD: printed += fprintf(fp, " "); break; case BINARY_PRINT_LINE_END: printed += fprintf(fp, "\n"); printer_data->line_no++; break; case BINARY_PRINT_DATA_END: default: break; } return printed; } static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) { unsigned int nr_bytes = sample->raw_size; struct printer_data printer_data = {0, false, true}; int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, sample__fprintf_bpf_output, &printer_data, fp); if (printer_data.is_printable && printer_data.hit_nul) printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); return printed; } static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) { if (len > 0 && len < spacing) return fprintf(fp, "%*s", spacing - len, ""); return 0; } static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) { return perf_sample__fprintf_spacing(len, 34, fp); } /* If a value contains only printable ASCII characters padded with NULLs */ static bool ptw_is_prt(u64 val) { char c; u32 i; for (i = 0; i < sizeof(val); i++) { c = ((char *)&val)[i]; if (!c) break; if (!isprint(c) || !isascii(c)) return false; } for (; i < sizeof(val); i++) { c = ((char *)&val)[i]; if (c) return false; } return true; } static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) { struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); char str[sizeof(u64) + 1] = ""; int len; u64 val; if (perf_sample__bad_synth_size(sample, *data)) return 0; val = le64_to_cpu(data->payload); if (ptw_is_prt(val)) { memcpy(str, &val, sizeof(val)); str[sizeof(val)] = 0; } len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", data->ip, val, str); return len + perf_sample__fprintf_pt_spacing(len, fp); } static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) { struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); int len; if (perf_sample__bad_synth_size(sample, *data)) return 0; len = fprintf(fp, " hints: %#x extensions: %#x ", data->hints, data->extensions); return len + perf_sample__fprintf_pt_spacing(len, fp); } static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) { struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); int len; if (perf_sample__bad_synth_size(sample, *data)) return 0; len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", data->hw, data->cstate, data->subcstate); return len + perf_sample__fprintf_pt_spacing(len, fp); } static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) { struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); int len; if (perf_sample__bad_synth_size(sample, *data)) return 0; len = fprintf(fp, " IP: %u ", data->ip); return len + perf_sample__fprintf_pt_spacing(len, fp); } static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) { struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); int len; if (perf_sample__bad_synth_size(sample, *data)) return 0; len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", data->deepest_cstate, data->last_cstate, data->wake_reason); return len + perf_sample__fprintf_pt_spacing(len, fp); } static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) { struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); unsigned int percent, freq; int len; if (perf_sample__bad_synth_size(sample, *data)) return 0; freq = (le32_to_cpu(data->freq) + 500) / 1000; len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); if (data->max_nonturbo) { percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; len += fprintf(fp, "(%3u%%) ", percent); } return len + perf_sample__fprintf_pt_spacing(len, fp); } static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) { struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); int len; if (perf_sample__bad_synth_size(sample, *data)) return 0; len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); return len + perf_sample__fprintf_pt_spacing(len, fp); } /* Intel PT Event Trace */ static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) { struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", "SHUTDOWN", NULL, "UINTR", "UIRET"}; const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; const char *s; int len, i; if (perf_sample__bad_synth_size(sample, *data)) return 0; s = cfe[data->type]; if (s) { len = fprintf(fp, " cfe: %s IP: %d vector: %u", s, data->ip, data->vector); } else { len = fprintf(fp, " cfe: %u IP: %d vector: %u", data->type, data->ip, data->vector); } for (i = 0; i < data->evd_cnt; i++) { unsigned int et = data->evd[i].evd_type & 0x3f; s = evd[et]; if (s) { len += fprintf(fp, " %s: %#" PRIx64, s, data->evd[i].payload); } else { len += fprintf(fp, " EVD_%u: %#" PRIx64, et, data->evd[i].payload); } } return len + perf_sample__fprintf_pt_spacing(len, fp); } static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) { struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); int len; if (perf_sample__bad_synth_size(sample, *data)) return 0; len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, data->via_branch ? "via" : "non"); return len + perf_sample__fprintf_pt_spacing(len, fp); } static int perf_sample__fprintf_synth(struct perf_sample *sample, struct evsel *evsel, FILE *fp) { switch (evsel->core.attr.config) { case PERF_SYNTH_INTEL_PTWRITE: return perf_sample__fprintf_synth_ptwrite(sample, fp); case PERF_SYNTH_INTEL_MWAIT: return perf_sample__fprintf_synth_mwait(sample, fp); case PERF_SYNTH_INTEL_PWRE: return perf_sample__fprintf_synth_pwre(sample, fp); case PERF_SYNTH_INTEL_EXSTOP: return perf_sample__fprintf_synth_exstop(sample, fp); case PERF_SYNTH_INTEL_PWRX: return perf_sample__fprintf_synth_pwrx(sample, fp); case PERF_SYNTH_INTEL_CBR: return perf_sample__fprintf_synth_cbr(sample, fp); case PERF_SYNTH_INTEL_PSB: return perf_sample__fprintf_synth_psb(sample, fp); case PERF_SYNTH_INTEL_EVT: return perf_sample__fprintf_synth_evt(sample, fp); case PERF_SYNTH_INTEL_IFLAG_CHG: return perf_sample__fprintf_synth_iflag_chg(sample, fp); default: break; } return 0; } static int evlist__max_name_len(struct evlist *evlist) { struct evsel *evsel; int max = 0; evlist__for_each_entry(evlist, evsel) { int len = strlen(evsel__name(evsel)); max = MAX(len, max); } return max; } static int data_src__fprintf(u64 data_src, FILE *fp) { struct mem_info mi = { .data_src.val = data_src }; char decode[100]; char out[100]; static int maxlen; int len; perf_script__meminfo_scnprintf(decode, 100, &mi); len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); if (maxlen < len) maxlen = len; return fprintf(fp, "%-*s", maxlen, out); } struct metric_ctx { struct perf_sample *sample; struct thread *thread; struct evsel *evsel; FILE *fp; }; static void script_print_metric(struct perf_stat_config *config __maybe_unused, void *ctx, const char *color, const char *fmt, const char *unit, double val) { struct metric_ctx *mctx = ctx; if (!fmt) return; perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, PERF_RECORD_SAMPLE, mctx->fp); fputs("\tmetric: ", mctx->fp); if (color) color_fprintf(mctx->fp, color, fmt, val); else printf(fmt, val); fprintf(mctx->fp, " %s\n", unit); } static void script_new_line(struct perf_stat_config *config __maybe_unused, void *ctx) { struct metric_ctx *mctx = ctx; perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, PERF_RECORD_SAMPLE, mctx->fp); fputs("\tmetric: ", mctx->fp); } static void perf_sample__fprint_metric(struct perf_script *script, struct thread *thread, struct evsel *evsel, struct perf_sample *sample, FILE *fp) { struct evsel *leader = evsel__leader(evsel); struct perf_stat_output_ctx ctx = { .print_metric = script_print_metric, .new_line = script_new_line, .ctx = &(struct metric_ctx) { .sample = sample, .thread = thread, .evsel = evsel, .fp = fp, }, .force_header = false, }; struct evsel *ev2; u64 val; if (!evsel->stats) evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); if (evsel_script(leader)->gnum++ == 0) perf_stat__reset_shadow_stats(); val = sample->period * evsel->scale; evsel_script(evsel)->val = val; if (evsel_script(leader)->gnum == leader->core.nr_members) { for_each_group_member (ev2, leader) { perf_stat__print_shadow_stats(&stat_config, ev2, evsel_script(ev2)->val, sample->cpu, &ctx, NULL); } evsel_script(leader)->gnum = 0; } } static bool show_event(struct perf_sample *sample, struct evsel *evsel, struct thread *thread, struct addr_location *al, struct addr_location *addr_al) { int depth = thread_stack__depth(thread, sample->cpu); if (!symbol_conf.graph_function) return true; if (thread__filter(thread)) { if (depth <= thread__filter_entry_depth(thread)) { thread__set_filter(thread, false); return false; } return true; } else { const char *s = symbol_conf.graph_function; u64 ip; const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); unsigned nlen; if (!name) return false; nlen = strlen(name); while (*s) { unsigned len = strcspn(s, ","); if (nlen == len && !strncmp(name, s, len)) { thread__set_filter(thread, true); thread__set_filter_entry_depth(thread, depth); return true; } s += len; if (*s == ',') s++; } return false; } } static void process_event(struct perf_script *script, struct perf_sample *sample, struct evsel *evsel, struct addr_location *al, struct addr_location *addr_al, struct machine *machine) { struct thread *thread = al->thread; struct perf_event_attr *attr = &evsel->core.attr; unsigned int type = output_type(attr->type); struct evsel_script *es = evsel->priv; FILE *fp = es->fp; char str[PAGE_SIZE_NAME_LEN]; const char *arch = perf_env__arch(machine->env); if (output[type].fields == 0) return; ++es->samples; perf_sample__fprintf_start(script, sample, thread, evsel, PERF_RECORD_SAMPLE, fp); if (PRINT_FIELD(PERIOD)) fprintf(fp, "%10" PRIu64 " ", sample->period); if (PRINT_FIELD(EVNAME)) { const char *evname = evsel__name(evsel); if (!script->name_width) script->name_width = evlist__max_name_len(script->session->evlist); fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); } if (print_flags) perf_sample__fprintf_flags(sample->flags, fp); if (is_bts_event(attr)) { perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); return; } #ifdef HAVE_LIBTRACEEVENT if (PRINT_FIELD(TRACE) && sample->raw_data) { event_format__fprintf(evsel->tp_format, sample->cpu, sample->raw_data, sample->raw_size, fp); } #endif if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) perf_sample__fprintf_synth(sample, evsel, fp); if (PRINT_FIELD(ADDR)) perf_sample__fprintf_addr(sample, thread, attr, fp); if (PRINT_FIELD(DATA_SRC)) data_src__fprintf(sample->data_src, fp); if (PRINT_FIELD(WEIGHT)) fprintf(fp, "%16" PRIu64, sample->weight); if (PRINT_FIELD(INS_LAT)) fprintf(fp, "%16" PRIu16, sample->ins_lat); if (PRINT_FIELD(RETIRE_LAT)) fprintf(fp, "%16" PRIu16, sample->retire_lat); if (PRINT_FIELD(CGROUP)) { const char *cgrp_name; struct cgroup *cgrp = cgroup__find(machine->env, sample->cgroup); if (cgrp != NULL) cgrp_name = cgrp->name; else cgrp_name = "unknown"; fprintf(fp, " %s", cgrp_name); } if (PRINT_FIELD(IP)) { struct callchain_cursor *cursor = NULL; if (script->stitch_lbr) thread__set_lbr_stitch_enable(al->thread, true); if (symbol_conf.use_callchain && sample->callchain) { cursor = get_tls_callchain_cursor(); if (thread__resolve_callchain(al->thread, cursor, evsel, sample, NULL, NULL, scripting_max_stack)) cursor = NULL; } fputc(cursor ? '\n' : ' ', fp); sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, symbol_conf.bt_stop_list, fp); } if (PRINT_FIELD(IREGS)) perf_sample__fprintf_iregs(sample, attr, arch, fp); if (PRINT_FIELD(UREGS)) perf_sample__fprintf_uregs(sample, attr, arch, fp); if (PRINT_FIELD(BRSTACK)) perf_sample__fprintf_brstack(sample, thread, attr, fp); else if (PRINT_FIELD(BRSTACKSYM)) perf_sample__fprintf_brstacksym(sample, thread, attr, fp); else if (PRINT_FIELD(BRSTACKOFF)) perf_sample__fprintf_brstackoff(sample, thread, attr, fp); if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) perf_sample__fprintf_bpf_output(sample, fp); perf_sample__fprintf_insn(sample, attr, thread, machine, fp); if (PRINT_FIELD(PHYS_ADDR)) fprintf(fp, "%16" PRIx64, sample->phys_addr); if (PRINT_FIELD(DATA_PAGE_SIZE)) fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); if (PRINT_FIELD(CODE_PAGE_SIZE)) fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); perf_sample__fprintf_ipc(sample, attr, fp); fprintf(fp, "\n"); if (PRINT_FIELD(SRCCODE)) { if (map__fprintf_srccode(al->map, al->addr, stdout, thread__srccode_state(thread))) printf("\n"); } if (PRINT_FIELD(METRIC)) perf_sample__fprint_metric(script, thread, evsel, sample, fp); if (verbose > 0) fflush(fp); } static struct scripting_ops *scripting_ops; static void __process_stat(struct evsel *counter, u64 tstamp) { int nthreads = perf_thread_map__nr(counter->core.threads); int idx, thread; struct perf_cpu cpu; static int header_printed; if (!header_printed) { printf("%3s %8s %15s %15s %15s %15s %s\n", "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); header_printed = 1; } for (thread = 0; thread < nthreads; thread++) { perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { struct perf_counts_values *counts; counts = perf_counts(counter->counts, idx, thread); printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", cpu.cpu, perf_thread_map__pid(counter->core.threads, thread), counts->val, counts->ena, counts->run, tstamp, evsel__name(counter)); } } } static void process_stat(struct evsel *counter, u64 tstamp) { if (scripting_ops && scripting_ops->process_stat) scripting_ops->process_stat(&stat_config, counter, tstamp); else __process_stat(counter, tstamp); } static void process_stat_interval(u64 tstamp) { if (scripting_ops && scripting_ops->process_stat_interval) scripting_ops->process_stat_interval(tstamp); } static void setup_scripting(void) { #ifdef HAVE_LIBTRACEEVENT setup_perl_scripting(); #endif setup_python_scripting(); } static int flush_scripting(void) { return scripting_ops ? scripting_ops->flush_script() : 0; } static int cleanup_scripting(void) { pr_debug("\nperf script stopped\n"); return scripting_ops ? scripting_ops->stop_script() : 0; } static bool filter_cpu(struct perf_sample *sample) { if (cpu_list && sample->cpu != (u32)-1) return !test_bit(sample->cpu, cpu_bitmap); return false; } static int process_sample_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct evsel *evsel, struct machine *machine) { struct perf_script *scr = container_of(tool, struct perf_script, tool); struct addr_location al; struct addr_location addr_al; int ret = 0; /* Set thread to NULL to indicate addr_al and al are not initialized */ addr_location__init(&al); addr_location__init(&addr_al); ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); if (ret) { if (ret > 0) ret = 0; goto out_put; } if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, sample->time)) { goto out_put; } if (debug_mode) { if (sample->time < last_timestamp) { pr_err("Samples misordered, previous: %" PRIu64 " this: %" PRIu64 "\n", last_timestamp, sample->time); nr_unordered++; } last_timestamp = sample->time; goto out_put; } if (filter_cpu(sample)) goto out_put; if (!al.thread && machine__resolve(machine, &al, sample) < 0) { pr_err("problem processing %d event, skipping it.\n", event->header.type); ret = -1; goto out_put; } if (al.filtered) goto out_put; if (!show_event(sample, evsel, al.thread, &al, &addr_al)) goto out_put; if (evswitch__discard(&scr->evswitch, evsel)) goto out_put; ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); if (ret) { if (ret > 0) ret = 0; goto out_put; } if (scripting_ops) { struct addr_location *addr_al_ptr = NULL; if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && sample_addr_correlates_sym(&evsel->core.attr)) { if (!addr_al.thread) thread__resolve(al.thread, &addr_al, sample); addr_al_ptr = &addr_al; } scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); } else { process_event(scr, sample, evsel, &al, &addr_al, machine); } out_put: addr_location__exit(&addr_al); addr_location__exit(&al); return ret; } // Used when scr->per_event_dump is not set static struct evsel_script es_stdout; static int process_attr(struct perf_tool *tool, union perf_event *event, struct evlist **pevlist) { struct perf_script *scr = container_of(tool, struct perf_script, tool); struct evlist *evlist; struct evsel *evsel, *pos; u64 sample_type; int err; err = perf_event__process_attr(tool, event, pevlist); if (err) return err; evlist = *pevlist; evsel = evlist__last(*pevlist); if (!evsel->priv) { if (scr->per_event_dump) { evsel->priv = evsel_script__new(evsel, scr->session->data); if (!evsel->priv) return -ENOMEM; } else { // Replicate what is done in perf_script__setup_per_event_dump() es_stdout.fp = stdout; evsel->priv = &es_stdout; } } if (evsel->core.attr.type >= PERF_TYPE_MAX && evsel->core.attr.type != PERF_TYPE_SYNTH) return 0; evlist__for_each_entry(evlist, pos) { if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) return 0; } if (evsel->core.attr.sample_type) { err = evsel__check_attr(evsel, scr->session); if (err) return err; } /* * Check if we need to enable callchains based * on events sample_type. */ sample_type = evlist__combined_sample_type(evlist); callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); /* Enable fields for callchain entries */ if (symbol_conf.use_callchain && (sample_type & PERF_SAMPLE_CALLCHAIN || sample_type & PERF_SAMPLE_BRANCH_STACK || (sample_type & PERF_SAMPLE_REGS_USER && sample_type & PERF_SAMPLE_STACK_USER))) { int type = output_type(evsel->core.attr.type); if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) output[type].fields |= PERF_OUTPUT_IP; if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) output[type].fields |= PERF_OUTPUT_SYM; } set_print_ip_opts(&evsel->core.attr); return 0; } static int print_event_with_time(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine, pid_t pid, pid_t tid, u64 timestamp) { struct perf_script *script = container_of(tool, struct perf_script, tool); struct perf_session *session = script->session; struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); struct thread *thread = NULL; if (evsel && !evsel->core.attr.sample_id_all) { sample->cpu = 0; sample->time = timestamp; sample->pid = pid; sample->tid = tid; } if (filter_cpu(sample)) return 0; if (tid != -1) thread = machine__findnew_thread(machine, pid, tid); if (evsel) { perf_sample__fprintf_start(script, sample, thread, evsel, event->header.type, stdout); } perf_event__fprintf(event, machine, stdout); thread__put(thread); return 0; } static int print_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine, pid_t pid, pid_t tid) { return print_event_with_time(tool, event, sample, machine, pid, tid, 0); } static int process_comm_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { if (perf_event__process_comm(tool, event, sample, machine) < 0) return -1; return print_event(tool, event, sample, machine, event->comm.pid, event->comm.tid); } static int process_namespaces_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { if (perf_event__process_namespaces(tool, event, sample, machine) < 0) return -1; return print_event(tool, event, sample, machine, event->namespaces.pid, event->namespaces.tid); } static int process_cgroup_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { if (perf_event__process_cgroup(tool, event, sample, machine) < 0) return -1; return print_event(tool, event, sample, machine, sample->pid, sample->tid); } static int process_fork_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { if (perf_event__process_fork(tool, event, sample, machine) < 0) return -1; return print_event_with_time(tool, event, sample, machine, event->fork.pid, event->fork.tid, event->fork.time); } static int process_exit_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { /* Print before 'exit' deletes anything */ if (print_event_with_time(tool, event, sample, machine, event->fork.pid, event->fork.tid, event->fork.time)) return -1; return perf_event__process_exit(tool, event, sample, machine); } static int process_mmap_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { if (perf_event__process_mmap(tool, event, sample, machine) < 0) return -1; return print_event(tool, event, sample, machine, event->mmap.pid, event->mmap.tid); } static int process_mmap2_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { if (perf_event__process_mmap2(tool, event, sample, machine) < 0) return -1; return print_event(tool, event, sample, machine, event->mmap2.pid, event->mmap2.tid); } static int process_switch_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { struct perf_script *script = container_of(tool, struct perf_script, tool); if (perf_event__process_switch(tool, event, sample, machine) < 0) return -1; if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) scripting_ops->process_switch(event, sample, machine); if (!script->show_switch_events) return 0; return print_event(tool, event, sample, machine, sample->pid, sample->tid); } static int process_auxtrace_error(struct perf_session *session, union perf_event *event) { if (scripting_ops && scripting_ops->process_auxtrace_error) { scripting_ops->process_auxtrace_error(session, event); return 0; } return perf_event__process_auxtrace_error(session, event); } static int process_lost_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { return print_event(tool, event, sample, machine, sample->pid, sample->tid); } static int process_throttle_event(struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) { if (scripting_ops && scripting_ops->process_throttle) scripting_ops->process_throttle(event, sample, machine); return 0; } static int process_finished_round_event(struct perf_tool *tool __maybe_unused, union perf_event *event, struct ordered_events *oe __maybe_unused) { perf_event__fprintf(event, NULL, stdout); return 0; } static int process_bpf_events(struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) { if (machine__process_ksymbol(machine, event, sample) < 0) return -1; return print_event(tool, event, sample, machine, sample->pid, sample->tid); } static int process_text_poke_events(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { if (perf_event__process_text_poke(tool, event, sample, machine) < 0) return -1; return print_event(tool, event, sample, machine, sample->pid, sample->tid); } static void sig_handler(int sig __maybe_unused) { session_done = 1; } static void perf_script__fclose_per_event_dump(struct perf_script *script) { struct evlist *evlist = script->session->evlist; struct evsel *evsel; evlist__for_each_entry(evlist, evsel) { if (!evsel->priv) break; evsel_script__delete(evsel->priv); evsel->priv = NULL; } } static int perf_script__fopen_per_event_dump(struct perf_script *script) { struct evsel *evsel; evlist__for_each_entry(script->session->evlist, evsel) { /* * Already setup? I.e. we may be called twice in cases like * Intel PT, one for the intel_pt// and dummy events, then * for the evsels synthesized from the auxtrace info. * * Ses perf_script__process_auxtrace_info. */ if (evsel->priv != NULL) continue; evsel->priv = evsel_script__new(evsel, script->session->data); if (evsel->priv == NULL) goto out_err_fclose; } return 0; out_err_fclose: perf_script__fclose_per_event_dump(script); return -1; } static int perf_script__setup_per_event_dump(struct perf_script *script) { struct evsel *evsel; if (script->per_event_dump) return perf_script__fopen_per_event_dump(script); es_stdout.fp = stdout; evlist__for_each_entry(script->session->evlist, evsel) evsel->priv = &es_stdout; return 0; } static void perf_script__exit_per_event_dump_stats(struct perf_script *script) { struct evsel *evsel; evlist__for_each_entry(script->session->evlist, evsel) { struct evsel_script *es = evsel->priv; evsel_script__fprintf(es, stdout); evsel_script__delete(es); evsel->priv = NULL; } } static void perf_script__exit(struct perf_script *script) { perf_thread_map__put(script->threads); perf_cpu_map__put(script->cpus); } static int __cmd_script(struct perf_script *script) { int ret; signal(SIGINT, sig_handler); /* override event processing functions */ if (script->show_task_events) { script->tool.comm = process_comm_event; script->tool.fork = process_fork_event; script->tool.exit = process_exit_event; } if (script->show_mmap_events) { script->tool.mmap = process_mmap_event; script->tool.mmap2 = process_mmap2_event; } if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) script->tool.context_switch = process_switch_event; if (scripting_ops && scripting_ops->process_auxtrace_error) script->tool.auxtrace_error = process_auxtrace_error; if (script->show_namespace_events) script->tool.namespaces = process_namespaces_event; if (script->show_cgroup_events) script->tool.cgroup = process_cgroup_event; if (script->show_lost_events) script->tool.lost = process_lost_event; if (script->show_round_events) { script->tool.ordered_events = false; script->tool.finished_round = process_finished_round_event; } if (script->show_bpf_events) { script->tool.ksymbol = process_bpf_events; script->tool.bpf = process_bpf_events; } if (script->show_text_poke_events) { script->tool.ksymbol = process_bpf_events; script->tool.text_poke = process_text_poke_events; } if (perf_script__setup_per_event_dump(script)) { pr_err("Couldn't create the per event dump files\n"); return -1; } ret = perf_session__process_events(script->session); if (script->per_event_dump) perf_script__exit_per_event_dump_stats(script); if (debug_mode) pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); return ret; } struct script_spec { struct list_head node; struct scripting_ops *ops; char spec[]; }; static LIST_HEAD(script_specs); static struct script_spec *script_spec__new(const char *spec, struct scripting_ops *ops) { struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); if (s != NULL) { strcpy(s->spec, spec); s->ops = ops; } return s; } static void script_spec__add(struct script_spec *s) { list_add_tail(&s->node, &script_specs); } static struct script_spec *script_spec__find(const char *spec) { struct script_spec *s; list_for_each_entry(s, &script_specs, node) if (strcasecmp(s->spec, spec) == 0) return s; return NULL; } int script_spec_register(const char *spec, struct scripting_ops *ops) { struct script_spec *s; s = script_spec__find(spec); if (s) return -1; s = script_spec__new(spec, ops); if (!s) return -1; else script_spec__add(s); return 0; } static struct scripting_ops *script_spec__lookup(const char *spec) { struct script_spec *s = script_spec__find(spec); if (!s) return NULL; return s->ops; } static void list_available_languages(void) { struct script_spec *s; fprintf(stderr, "\n"); fprintf(stderr, "Scripting language extensions (used in " "perf script -s [spec:]script.[spec]):\n\n"); list_for_each_entry(s, &script_specs, node) fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); fprintf(stderr, "\n"); } /* Find script file relative to current directory or exec path */ static char *find_script(const char *script) { char path[PATH_MAX]; if (!scripting_ops) { const char *ext = strrchr(script, '.'); if (!ext) return NULL; scripting_ops = script_spec__lookup(++ext); if (!scripting_ops) return NULL; } if (access(script, R_OK)) { char *exec_path = get_argv_exec_path(); if (!exec_path) return NULL; snprintf(path, sizeof(path), "%s/scripts/%s/%s", exec_path, scripting_ops->dirname, script); free(exec_path); script = path; if (access(script, R_OK)) return NULL; } return strdup(script); } static int parse_scriptname(const struct option *opt __maybe_unused, const char *str, int unset __maybe_unused) { char spec[PATH_MAX]; const char *script, *ext; int len; if (strcmp(str, "lang") == 0) { list_available_languages(); exit(0); } script = strchr(str, ':'); if (script) { len = script - str; if (len >= PATH_MAX) { fprintf(stderr, "invalid language specifier"); return -1; } strncpy(spec, str, len); spec[len] = '\0'; scripting_ops = script_spec__lookup(spec); if (!scripting_ops) { fprintf(stderr, "invalid language specifier"); return -1; } script++; } else { script = str; ext = strrchr(script, '.'); if (!ext) { fprintf(stderr, "invalid script extension"); return -1; } scripting_ops = script_spec__lookup(++ext); if (!scripting_ops) { fprintf(stderr, "invalid script extension"); return -1; } } script_name = find_script(script); if (!script_name) script_name = strdup(script); return 0; } static int parse_output_fields(const struct option *opt __maybe_unused, const char *arg, int unset __maybe_unused) { char *tok, *strtok_saveptr = NULL; int i, imax = ARRAY_SIZE(all_output_options); int j; int rc = 0; char *str = strdup(arg); int type = -1; enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; if (!str) return -ENOMEM; /* first word can state for which event type the user is specifying * the fields. If no type exists, the specified fields apply to all * event types found in the file minus the invalid fields for a type. */ tok = strchr(str, ':'); if (tok) { *tok = '\0'; tok++; if (!strcmp(str, "hw")) type = PERF_TYPE_HARDWARE; else if (!strcmp(str, "sw")) type = PERF_TYPE_SOFTWARE; else if (!strcmp(str, "trace")) type = PERF_TYPE_TRACEPOINT; else if (!strcmp(str, "raw")) type = PERF_TYPE_RAW; else if (!strcmp(str, "break")) type = PERF_TYPE_BREAKPOINT; else if (!strcmp(str, "synth")) type = OUTPUT_TYPE_SYNTH; else { fprintf(stderr, "Invalid event type in field string.\n"); rc = -EINVAL; goto out; } if (output[type].user_set) pr_warning("Overriding previous field request for %s events.\n", event_type(type)); /* Don't override defaults for +- */ if (strchr(tok, '+') || strchr(tok, '-')) goto parse; output[type].fields = 0; output[type].user_set = true; output[type].wildcard_set = false; } else { tok = str; if (strlen(str) == 0) { fprintf(stderr, "Cannot set fields to 'none' for all event types.\n"); rc = -EINVAL; goto out; } /* Don't override defaults for +- */ if (strchr(str, '+') || strchr(str, '-')) goto parse; if (output_set_by_user()) pr_warning("Overriding previous field request for all events.\n"); for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { output[j].fields = 0; output[j].user_set = true; output[j].wildcard_set = true; } } parse: for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { if (*tok == '+') { if (change == SET) goto out_badmix; change = ADD; tok++; } else if (*tok == '-') { if (change == SET) goto out_badmix; change = REMOVE; tok++; } else { if (change != SET && change != DEFAULT) goto out_badmix; change = SET; } for (i = 0; i < imax; ++i) { if (strcmp(tok, all_output_options[i].str) == 0) break; } if (i == imax && strcmp(tok, "flags") == 0) { print_flags = change != REMOVE; continue; } if (i == imax) { fprintf(stderr, "Invalid field requested.\n"); rc = -EINVAL; goto out; } if (type == -1) { /* add user option to all events types for * which it is valid */ for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { if (output[j].invalid_fields & all_output_options[i].field) { pr_warning("\'%s\' not valid for %s events. Ignoring.\n", all_output_options[i].str, event_type(j)); } else { if (change == REMOVE) { output[j].fields &= ~all_output_options[i].field; output[j].user_set_fields &= ~all_output_options[i].field; output[j].user_unset_fields |= all_output_options[i].field; } else { output[j].fields |= all_output_options[i].field; output[j].user_set_fields |= all_output_options[i].field; output[j].user_unset_fields &= ~all_output_options[i].field; } output[j].user_set = true; output[j].wildcard_set = true; } } } else { if (output[type].invalid_fields & all_output_options[i].field) { fprintf(stderr, "\'%s\' not valid for %s events.\n", all_output_options[i].str, event_type(type)); rc = -EINVAL; goto out; } if (change == REMOVE) output[type].fields &= ~all_output_options[i].field; else output[type].fields |= all_output_options[i].field; output[type].user_set = true; output[type].wildcard_set = true; } } if (type >= 0) { if (output[type].fields == 0) { pr_debug("No fields requested for %s type. " "Events will not be displayed.\n", event_type(type)); } } goto out; out_badmix: fprintf(stderr, "Cannot mix +-field with overridden fields\n"); rc = -EINVAL; out: free(str); return rc; } #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ while ((lang_dirent = readdir(scripts_dir)) != NULL) \ if ((lang_dirent->d_type == DT_DIR || \ (lang_dirent->d_type == DT_UNKNOWN && \ is_directory(scripts_path, lang_dirent))) && \ (strcmp(lang_dirent->d_name, ".")) && \ (strcmp(lang_dirent->d_name, ".."))) #define for_each_script(lang_path, lang_dir, script_dirent) \ while ((script_dirent = readdir(lang_dir)) != NULL) \ if (script_dirent->d_type != DT_DIR && \ (script_dirent->d_type != DT_UNKNOWN || \ !is_directory(lang_path, script_dirent))) #define RECORD_SUFFIX "-record" #define REPORT_SUFFIX "-report" struct script_desc { struct list_head node; char *name; char *half_liner; char *args; }; static LIST_HEAD(script_descs); static struct script_desc *script_desc__new(const char *name) { struct script_desc *s = zalloc(sizeof(*s)); if (s != NULL && name) s->name = strdup(name); return s; } static void script_desc__delete(struct script_desc *s) { zfree(&s->name); zfree(&s->half_liner); zfree(&s->args); free(s); } static void script_desc__add(struct script_desc *s) { list_add_tail(&s->node, &script_descs); } static struct script_desc *script_desc__find(const char *name) { struct script_desc *s; list_for_each_entry(s, &script_descs, node) if (strcasecmp(s->name, name) == 0) return s; return NULL; } static struct script_desc *script_desc__findnew(const char *name) { struct script_desc *s = script_desc__find(name); if (s) return s; s = script_desc__new(name); if (!s) return NULL; script_desc__add(s); return s; } static const char *ends_with(const char *str, const char *suffix) { size_t suffix_len = strlen(suffix); const char *p = str; if (strlen(str) > suffix_len) { p = str + strlen(str) - suffix_len; if (!strncmp(p, suffix, suffix_len)) return p; } return NULL; } static int read_script_info(struct script_desc *desc, const char *filename) { char line[BUFSIZ], *p; FILE *fp; fp = fopen(filename, "r"); if (!fp) return -1; while (fgets(line, sizeof(line), fp)) { p = skip_spaces(line); if (strlen(p) == 0) continue; if (*p != '#') continue; p++; if (strlen(p) && *p == '!') continue; p = skip_spaces(p); if (strlen(p) && p[strlen(p) - 1] == '\n') p[strlen(p) - 1] = '\0'; if (!strncmp(p, "description:", strlen("description:"))) { p += strlen("description:"); desc->half_liner = strdup(skip_spaces(p)); continue; } if (!strncmp(p, "args:", strlen("args:"))) { p += strlen("args:"); desc->args = strdup(skip_spaces(p)); continue; } } fclose(fp); return 0; } static char *get_script_root(struct dirent *script_dirent, const char *suffix) { char *script_root, *str; script_root = strdup(script_dirent->d_name); if (!script_root) return NULL; str = (char *)ends_with(script_root, suffix); if (!str) { free(script_root); return NULL; } *str = '\0'; return script_root; } static int list_available_scripts(const struct option *opt __maybe_unused, const char *s __maybe_unused, int unset __maybe_unused) { struct dirent *script_dirent, *lang_dirent; char *buf, *scripts_path, *script_path, *lang_path, *first_half; DIR *scripts_dir, *lang_dir; struct script_desc *desc; char *script_root; buf = malloc(3 * MAXPATHLEN + BUFSIZ); if (!buf) { pr_err("malloc failed\n"); exit(-1); } scripts_path = buf; script_path = buf + MAXPATHLEN; lang_path = buf + 2 * MAXPATHLEN; first_half = buf + 3 * MAXPATHLEN; snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); scripts_dir = opendir(scripts_path); if (!scripts_dir) { fprintf(stdout, "open(%s) failed.\n" "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", scripts_path); free(buf); exit(-1); } for_each_lang(scripts_path, scripts_dir, lang_dirent) { scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, lang_dirent->d_name); lang_dir = opendir(lang_path); if (!lang_dir) continue; for_each_script(lang_path, lang_dir, script_dirent) { script_root = get_script_root(script_dirent, REPORT_SUFFIX); if (script_root) { desc = script_desc__findnew(script_root); scnprintf(script_path, MAXPATHLEN, "%s/%s", lang_path, script_dirent->d_name); read_script_info(desc, script_path); free(script_root); } } } fprintf(stdout, "List of available trace scripts:\n"); list_for_each_entry(desc, &script_descs, node) { sprintf(first_half, "%s %s", desc->name, desc->args ? desc->args : ""); fprintf(stdout, " %-36s %s\n", first_half, desc->half_liner ? desc->half_liner : ""); } free(buf); exit(0); } static int add_dlarg(const struct option *opt __maybe_unused, const char *s, int unset __maybe_unused) { char *arg = strdup(s); void *a; if (!arg) return -1; a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); if (!a) { free(arg); return -1; } dlargv = a; dlargv[dlargc++] = arg; return 0; } static void free_dlarg(void) { while (dlargc--) free(dlargv[dlargc]); free(dlargv); } /* * Some scripts specify the required events in their "xxx-record" file, * this function will check if the events in perf.data match those * mentioned in the "xxx-record". * * Fixme: All existing "xxx-record" are all in good formats "-e event ", * which is covered well now. And new parsing code should be added to * cover the future complex formats like event groups etc. */ static int check_ev_match(char *dir_name, char *scriptname, struct perf_session *session) { char filename[MAXPATHLEN], evname[128]; char line[BUFSIZ], *p; struct evsel *pos; int match, len; FILE *fp; scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); fp = fopen(filename, "r"); if (!fp) return -1; while (fgets(line, sizeof(line), fp)) { p = skip_spaces(line); if (*p == '#') continue; while (strlen(p)) { p = strstr(p, "-e"); if (!p) break; p += 2; p = skip_spaces(p); len = strcspn(p, " \t"); if (!len) break; snprintf(evname, len + 1, "%s", p); match = 0; evlist__for_each_entry(session->evlist, pos) { if (!strcmp(evsel__name(pos), evname)) { match = 1; break; } } if (!match) { fclose(fp); return -1; } } } fclose(fp); return 0; } /* * Return -1 if none is found, otherwise the actual scripts number. * * Currently the only user of this function is the script browser, which * will list all statically runnable scripts, select one, execute it and * show the output in a perf browser. */ int find_scripts(char **scripts_array, char **scripts_path_array, int num, int pathlen) { struct dirent *script_dirent, *lang_dirent; char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; DIR *scripts_dir, *lang_dir; struct perf_session *session; struct perf_data data = { .path = input_name, .mode = PERF_DATA_MODE_READ, }; char *temp; int i = 0; session = perf_session__new(&data, NULL); if (IS_ERR(session)) return PTR_ERR(session); snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); scripts_dir = opendir(scripts_path); if (!scripts_dir) { perf_session__delete(session); return -1; } for_each_lang(scripts_path, scripts_dir, lang_dirent) { scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, lang_dirent->d_name); #ifndef HAVE_LIBPERL_SUPPORT if (strstr(lang_path, "perl")) continue; #endif #ifndef HAVE_LIBPYTHON_SUPPORT if (strstr(lang_path, "python")) continue; #endif lang_dir = opendir(lang_path); if (!lang_dir) continue; for_each_script(lang_path, lang_dir, script_dirent) { /* Skip those real time scripts: xxxtop.p[yl] */ if (strstr(script_dirent->d_name, "top.")) continue; if (i >= num) break; snprintf(scripts_path_array[i], pathlen, "%s/%s", lang_path, script_dirent->d_name); temp = strchr(script_dirent->d_name, '.'); snprintf(scripts_array[i], (temp - script_dirent->d_name) + 1, "%s", script_dirent->d_name); if (check_ev_match(lang_path, scripts_array[i], session)) continue; i++; } closedir(lang_dir); } closedir(scripts_dir); perf_session__delete(session); return i; } static char *get_script_path(const char *script_root, const char *suffix) { struct dirent *script_dirent, *lang_dirent; char scripts_path[MAXPATHLEN]; char script_path[MAXPATHLEN]; DIR *scripts_dir, *lang_dir; char lang_path[MAXPATHLEN]; char *__script_root; snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); scripts_dir = opendir(scripts_path); if (!scripts_dir) return NULL; for_each_lang(scripts_path, scripts_dir, lang_dirent) { scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, lang_dirent->d_name); lang_dir = opendir(lang_path); if (!lang_dir) continue; for_each_script(lang_path, lang_dir, script_dirent) { __script_root = get_script_root(script_dirent, suffix); if (__script_root && !strcmp(script_root, __script_root)) { free(__script_root); closedir(scripts_dir); scnprintf(script_path, MAXPATHLEN, "%s/%s", lang_path, script_dirent->d_name); closedir(lang_dir); return strdup(script_path); } free(__script_root); } closedir(lang_dir); } closedir(scripts_dir); return NULL; } static bool is_top_script(const char *script_path) { return ends_with(script_path, "top") != NULL; } static int has_required_arg(char *script_path) { struct script_desc *desc; int n_args = 0; char *p; desc = script_desc__new(NULL); if (read_script_info(desc, script_path)) goto out; if (!desc->args) goto out; for (p = desc->args; *p; p++) if (*p == '<') n_args++; out: script_desc__delete(desc); return n_args; } static int have_cmd(int argc, const char **argv) { char **__argv = malloc(sizeof(const char *) * argc); if (!__argv) { pr_err("malloc failed\n"); return -1; } memcpy(__argv, argv, sizeof(const char *) * argc); argc = parse_options(argc, (const char **)__argv, record_options, NULL, PARSE_OPT_STOP_AT_NON_OPTION); free(__argv); system_wide = (argc == 0); return 0; } static void script__setup_sample_type(struct perf_script *script) { struct perf_session *session = script->session; u64 sample_type = evlist__combined_sample_type(session->evlist); callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" "Please apply --call-graph lbr when recording.\n"); script->stitch_lbr = false; } } static int process_stat_round_event(struct perf_session *session, union perf_event *event) { struct perf_record_stat_round *round = &event->stat_round; struct evsel *counter; evlist__for_each_entry(session->evlist, counter) { perf_stat_process_counter(&stat_config, counter); process_stat(counter, round->time); } process_stat_interval(round->time); return 0; } static int process_stat_config_event(struct perf_session *session __maybe_unused, union perf_event *event) { perf_event__read_stat_config(&stat_config, &event->stat_config); /* * Aggregation modes are not used since post-processing scripts are * supposed to take care of such requirements */ stat_config.aggr_mode = AGGR_NONE; return 0; } static int set_maps(struct perf_script *script) { struct evlist *evlist = script->session->evlist; if (!script->cpus || !script->threads) return 0; if (WARN_ONCE(script->allocated, "stats double allocation\n")) return -EINVAL; perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) return -ENOMEM; script->allocated = true; return 0; } static int process_thread_map_event(struct perf_session *session, union perf_event *event) { struct perf_tool *tool = session->tool; struct perf_script *script = container_of(tool, struct perf_script, tool); if (dump_trace) perf_event__fprintf_thread_map(event, stdout); if (script->threads) { pr_warning("Extra thread map event, ignoring.\n"); return 0; } script->threads = thread_map__new_event(&event->thread_map); if (!script->threads) return -ENOMEM; return set_maps(script); } static int process_cpu_map_event(struct perf_session *session, union perf_event *event) { struct perf_tool *tool = session->tool; struct perf_script *script = container_of(tool, struct perf_script, tool); if (dump_trace) perf_event__fprintf_cpu_map(event, stdout); if (script->cpus) { pr_warning("Extra cpu map event, ignoring.\n"); return 0; } script->cpus = cpu_map__new_data(&event->cpu_map.data); if (!script->cpus) return -ENOMEM; return set_maps(script); } static int process_feature_event(struct perf_session *session, union perf_event *event) { if (event->feat.feat_id < HEADER_LAST_FEATURE) return perf_event__process_feature(session, event); return 0; } #ifdef HAVE_AUXTRACE_SUPPORT static int perf_script__process_auxtrace_info(struct perf_session *session, union perf_event *event) { struct perf_tool *tool = session->tool; int ret = perf_event__process_auxtrace_info(session, event); if (ret == 0) { struct perf_script *script = container_of(tool, struct perf_script, tool); ret = perf_script__setup_per_event_dump(script); } return ret; } #else #define perf_script__process_auxtrace_info 0 #endif static int parse_insn_trace(const struct option *opt __maybe_unused, const char *str __maybe_unused, int unset __maybe_unused) { parse_output_fields(NULL, "+insn,-event,-period", 0); itrace_parse_synth_opts(opt, "i0ns", 0); symbol_conf.nanosecs = true; return 0; } static int parse_xed(const struct option *opt __maybe_unused, const char *str __maybe_unused, int unset __maybe_unused) { if (isatty(1)) force_pager("xed -F insn: -A -64 | less"); else force_pager("xed -F insn: -A -64"); return 0; } static int parse_call_trace(const struct option *opt __maybe_unused, const char *str __maybe_unused, int unset __maybe_unused) { parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); itrace_parse_synth_opts(opt, "cewp", 0); symbol_conf.nanosecs = true; symbol_conf.pad_output_len_dso = 50; return 0; } static int parse_callret_trace(const struct option *opt __maybe_unused, const char *str __maybe_unused, int unset __maybe_unused) { parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); itrace_parse_synth_opts(opt, "crewp", 0); symbol_conf.nanosecs = true; return 0; } int cmd_script(int argc, const char **argv) { bool show_full_info = false; bool header = false; bool header_only = false; bool script_started = false; bool unsorted_dump = false; char *rec_script_path = NULL; char *rep_script_path = NULL; struct perf_session *session; struct itrace_synth_opts itrace_synth_opts = { .set = false, .default_no_sample = true, }; struct utsname uts; char *script_path = NULL; const char *dlfilter_file = NULL; const char **__argv; int i, j, err = 0; struct perf_script script = { .tool = { .sample = process_sample_event, .mmap = perf_event__process_mmap, .mmap2 = perf_event__process_mmap2, .comm = perf_event__process_comm, .namespaces = perf_event__process_namespaces, .cgroup = perf_event__process_cgroup, .exit = perf_event__process_exit, .fork = perf_event__process_fork, .attr = process_attr, .event_update = perf_event__process_event_update, #ifdef HAVE_LIBTRACEEVENT .tracing_data = perf_event__process_tracing_data, #endif .feature = process_feature_event, .build_id = perf_event__process_build_id, .id_index = perf_event__process_id_index, .auxtrace_info = perf_script__process_auxtrace_info, .auxtrace = perf_event__process_auxtrace, .auxtrace_error = perf_event__process_auxtrace_error, .stat = perf_event__process_stat_event, .stat_round = process_stat_round_event, .stat_config = process_stat_config_event, .thread_map = process_thread_map_event, .cpu_map = process_cpu_map_event, .throttle = process_throttle_event, .unthrottle = process_throttle_event, .ordered_events = true, .ordering_requires_timestamps = true, }, }; struct perf_data data = { .mode = PERF_DATA_MODE_READ, }; const struct option options[] = { OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, "dump unsorted raw trace in ASCII"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), OPT_BOOLEAN('L', "Latency", &latency_format, "show latency attributes (irqs/preemption disabled, etc)"), OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", list_available_scripts), OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", list_available_dlfilters), OPT_CALLBACK('s', "script", NULL, "name", "script file name (lang:script name, script name, or *)", parse_scriptname), OPT_STRING('g', "gen-script", &generate_script_lang, "lang", "generate perf-script.xx script in specified language"), OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", add_dlarg), OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_BOOLEAN('d', "debug-mode", &debug_mode, "do various checks like samples ordering and lost events"), OPT_BOOLEAN(0, "header", &header, "Show data header."), OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, "file", "vmlinux pathname"), OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, "file", "kallsyms pathname"), OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, "When printing symbols do not display call chain"), OPT_CALLBACK(0, "symfs", NULL, "directory", "Look for files with symbols relative to this directory", symbol__config_symfs), OPT_CALLBACK('F', "fields", NULL, "str", "comma separated output fields prepend with 'type:'. " "+field to add and -field to remove." "Valid types: hw,sw,trace,raw,synth. " "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff," "addr,symoff,srcline,period,iregs,uregs,brstack," "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth," "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat", parse_output_fields), OPT_BOOLEAN('a', "all-cpus", &system_wide, "system-wide collection from all CPUs"), OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", "only consider symbols in these DSOs"), OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", "only consider these symbols"), OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, "Use with -S to list traced records within address range"), OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, "Decode instructions from itrace", parse_insn_trace), OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, "Run xed disassembler on output", parse_xed), OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, "Decode calls from itrace", parse_call_trace), OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, "Decode calls and returns from itrace", parse_callret_trace), OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", "Only print symbols and callees with --call-trace/--call-ret-trace"), OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", "Stop display of callgraph at these symbols"), OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", "only display events for these comms"), OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", "only consider symbols in these pids"), OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", "only consider symbols in these tids"), OPT_UINTEGER(0, "max-stack", &scripting_max_stack, "Set the maximum stack depth when parsing the callchain, " "anything beyond the specified depth will be ignored. " "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), OPT_BOOLEAN('I', "show-info", &show_full_info, "display extended information from perf.data file"), OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, "Show the path of [kernel.kallsyms]"), OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, "Show the fork/comm/exit events"), OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, "Show the mmap events"), OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, "Show context switch events (if recorded)"), OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, "Show namespace events (if recorded)"), OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, "Show cgroup events (if recorded)"), OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, "Show lost events (if recorded)"), OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, "Show round events (if recorded)"), OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, "Show bpf related events (if recorded)"), OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, "Show text poke related events (if recorded)"), OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, "Dump trace output to files named by the monitored events"), OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), OPT_INTEGER(0, "max-blocks", &max_blocks, "Maximum number of code blocks to dump with brstackinsn"), OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Use 9 decimal places when displaying time"), OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", "Instruction Tracing options\n" ITRACE_HELP, itrace_parse_synth_opts), OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, "Show full source file name path for source lines"), OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, "Enable symbol demangling"), OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, "Enable kernel symbol demangling"), OPT_STRING(0, "time", &script.time_str, "str", "Time span of interest (start,stop)"), OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, "Show inline function"), OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", "guest mount directory under which every guest os" " instance has a subdir"), OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, "file", "file saving guest os vmlinux"), OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, "file", "file saving guest os /proc/kallsyms"), OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, "file", "file saving guest os /proc/modules"), OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, "Guest code can be found in hypervisor process"), OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, "Enable LBR callgraph stitching approach"), OPTS_EVSWITCH(&script.evswitch), OPT_END() }; const char * const script_subcommands[] = { "record", "report", NULL }; const char *script_usage[] = { "perf script [<options>]", "perf script [<options>] record <script> [<record-options>] <command>", "perf script [<options>] report <script> [script-args]", "perf script [<options>] <script> [<record-options>] <command>", "perf script [<options>] <top-script> [script-args]", NULL }; perf_set_singlethreaded(); setup_scripting(); argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, PARSE_OPT_STOP_AT_NON_OPTION); if (symbol_conf.guestmount || symbol_conf.default_guest_vmlinux_name || symbol_conf.default_guest_kallsyms || symbol_conf.default_guest_modules || symbol_conf.guest_code) { /* * Enable guest sample processing. */ perf_guest = true; } data.path = input_name; data.force = symbol_conf.force; if (unsorted_dump) { dump_trace = true; script.tool.ordered_events = false; } if (symbol__validate_sym_arguments()) return -1; if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); if (!rec_script_path) return cmd_record(argc, argv); } if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); if (!rep_script_path) { fprintf(stderr, "Please specify a valid report script" "(see 'perf script -l' for listing)\n"); return -1; } } if (reltime && deltatime) { fprintf(stderr, "reltime and deltatime - the two don't get along well. " "Please limit to --reltime or --deltatime.\n"); return -1; } if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && itrace_synth_opts.callchain_sz > scripting_max_stack) scripting_max_stack = itrace_synth_opts.callchain_sz; /* make sure PERF_EXEC_PATH is set for scripts */ set_argv_exec_path(get_argv_exec_path()); if (argc && !script_name && !rec_script_path && !rep_script_path) { int live_pipe[2]; int rep_args; pid_t pid; rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); if (!rec_script_path && !rep_script_path) { script_name = find_script(argv[0]); if (script_name) { argc -= 1; argv += 1; goto script_found; } usage_with_options_msg(script_usage, options, "Couldn't find script `%s'\n\n See perf" " script -l for available scripts.\n", argv[0]); } if (is_top_script(argv[0])) { rep_args = argc - 1; } else { int rec_args; rep_args = has_required_arg(rep_script_path); rec_args = (argc - 1) - rep_args; if (rec_args < 0) { usage_with_options_msg(script_usage, options, "`%s' script requires options." "\n\n See perf script -l for available " "scripts and options.\n", argv[0]); } } if (pipe(live_pipe) < 0) { perror("failed to create pipe"); return -1; } pid = fork(); if (pid < 0) { perror("failed to fork"); return -1; } if (!pid) { j = 0; dup2(live_pipe[1], 1); close(live_pipe[0]); if (is_top_script(argv[0])) { system_wide = true; } else if (!system_wide) { if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { err = -1; goto out; } } __argv = malloc((argc + 6) * sizeof(const char *)); if (!__argv) { pr_err("malloc failed\n"); err = -ENOMEM; goto out; } __argv[j++] = "/bin/sh"; __argv[j++] = rec_script_path; if (system_wide) __argv[j++] = "-a"; __argv[j++] = "-q"; __argv[j++] = "-o"; __argv[j++] = "-"; for (i = rep_args + 1; i < argc; i++) __argv[j++] = argv[i]; __argv[j++] = NULL; execvp("/bin/sh", (char **)__argv); free(__argv); exit(-1); } dup2(live_pipe[0], 0); close(live_pipe[1]); __argv = malloc((argc + 4) * sizeof(const char *)); if (!__argv) { pr_err("malloc failed\n"); err = -ENOMEM; goto out; } j = 0; __argv[j++] = "/bin/sh"; __argv[j++] = rep_script_path; for (i = 1; i < rep_args + 1; i++) __argv[j++] = argv[i]; __argv[j++] = "-i"; __argv[j++] = "-"; __argv[j++] = NULL; execvp("/bin/sh", (char **)__argv); free(__argv); exit(-1); } script_found: if (rec_script_path) script_path = rec_script_path; if (rep_script_path) script_path = rep_script_path; if (script_path) { j = 0; if (!rec_script_path) system_wide = false; else if (!system_wide) { if (have_cmd(argc - 1, &argv[1]) != 0) { err = -1; goto out; } } __argv = malloc((argc + 2) * sizeof(const char *)); if (!__argv) { pr_err("malloc failed\n"); err = -ENOMEM; goto out; } __argv[j++] = "/bin/sh"; __argv[j++] = script_path; if (system_wide) __argv[j++] = "-a"; for (i = 2; i < argc; i++) __argv[j++] = argv[i]; __argv[j++] = NULL; execvp("/bin/sh", (char **)__argv); free(__argv); exit(-1); } if (dlfilter_file) { dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); if (!dlfilter) return -1; } if (!script_name) { setup_pager(); use_browser = 0; } session = perf_session__new(&data, &script.tool); if (IS_ERR(session)) return PTR_ERR(session); if (header || header_only) { script.tool.show_feat_hdr = SHOW_FEAT_HEADER; perf_session__fprintf_info(session, stdout, show_full_info); if (header_only) goto out_delete; } if (show_full_info) script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; if (symbol__init(&session->header.env) < 0) goto out_delete; uname(&uts); if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ native_arch = true; } else if (session->header.env.arch) { if (!strcmp(uts.machine, session->header.env.arch)) native_arch = true; else if (!strcmp(uts.machine, "x86_64") && !strcmp(session->header.env.arch, "i386")) native_arch = true; } script.session = session; script__setup_sample_type(&script); if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || symbol_conf.graph_function) itrace_synth_opts.thread_stack = true; session->itrace_synth_opts = &itrace_synth_opts; if (cpu_list) { err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); if (err < 0) goto out_delete; itrace_synth_opts.cpu_bitmap = cpu_bitmap; } if (!no_callchain) symbol_conf.use_callchain = true; else symbol_conf.use_callchain = false; #ifdef HAVE_LIBTRACEEVENT if (session->tevent.pevent && tep_set_function_resolver(session->tevent.pevent, machine__resolve_kernel_addr, &session->machines.host) < 0) { pr_err("%s: failed to set libtraceevent function resolver\n", __func__); err = -1; goto out_delete; } #endif if (generate_script_lang) { struct stat perf_stat; int input; if (output_set_by_user()) { fprintf(stderr, "custom fields not supported for generated scripts"); err = -EINVAL; goto out_delete; } input = open(data.path, O_RDONLY); /* input_name */ if (input < 0) { err = -errno; perror("failed to open file"); goto out_delete; } err = fstat(input, &perf_stat); if (err < 0) { perror("failed to stat file"); goto out_delete; } if (!perf_stat.st_size) { fprintf(stderr, "zero-sized file, nothing to do!\n"); goto out_delete; } scripting_ops = script_spec__lookup(generate_script_lang); if (!scripting_ops) { fprintf(stderr, "invalid language specifier"); err = -ENOENT; goto out_delete; } #ifdef HAVE_LIBTRACEEVENT err = scripting_ops->generate_script(session->tevent.pevent, "perf-script"); #else err = scripting_ops->generate_script(NULL, "perf-script"); #endif goto out_delete; } err = dlfilter__start(dlfilter, session); if (err) goto out_delete; if (script_name) { err = scripting_ops->start_script(script_name, argc, argv, session); if (err) goto out_delete; pr_debug("perf script started with script %s\n\n", script_name); script_started = true; } err = perf_session__check_output_opt(session); if (err < 0) goto out_delete; if (script.time_str) { err = perf_time__parse_for_ranges_reltime(script.time_str, session, &script.ptime_range, &script.range_size, &script.range_num, reltime); if (err < 0) goto out_delete; itrace_synth_opts__set_time_range(&itrace_synth_opts, script.ptime_range, script.range_num); } err = evswitch__init(&script.evswitch, session->evlist, stderr); if (err) goto out_delete; if (zstd_init(&(session->zstd_data), 0) < 0) pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); err = __cmd_script(&script); flush_scripting(); out_delete: if (script.ptime_range) { itrace_synth_opts__clear_time_range(&itrace_synth_opts); zfree(&script.ptime_range); } zstd_fini(&(session->zstd_data)); evlist__free_stats(session->evlist); perf_session__delete(session); perf_script__exit(&script); if (script_started) cleanup_scripting(); dlfilter__cleanup(dlfilter); free_dlarg(); out: return err; }
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