| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Adrian Hunter | 2551 | 87.01% | 53 | 48.62% |
| Arnaldo Carvalho de Melo | 158 | 5.39% | 23 | 21.10% |
| Leo Yan | 75 | 2.56% | 5 | 4.59% |
| Jiri Olsa | 42 | 1.43% | 8 | 7.34% |
| Ingo Molnar | 28 | 0.95% | 2 | 1.83% |
| Andi Kleen | 18 | 0.61% | 3 | 2.75% |
| David Ahern | 15 | 0.51% | 2 | 1.83% |
| Tan Xiaojun | 12 | 0.41% | 1 | 0.92% |
| Mathieu J. Poirier | 10 | 0.34% | 2 | 1.83% |
| Ian Rogers | 7 | 0.24% | 2 | 1.83% |
| Alexander Shishkin | 3 | 0.10% | 1 | 0.92% |
| Steinar H. Gunderson | 3 | 0.10% | 1 | 0.92% |
| Thomas Gleixner | 2 | 0.07% | 1 | 0.92% |
| Qi Liu | 2 | 0.07% | 1 | 0.92% |
| Thomas Richter | 2 | 0.07% | 1 | 0.92% |
| Kim Phillips | 2 | 0.07% | 1 | 0.92% |
| Irina Tirdea | 1 | 0.03% | 1 | 0.92% |
| Mark Rutland | 1 | 0.03% | 1 | 0.92% |
| Total | 2932 | 109 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * auxtrace.h: AUX area trace support * Copyright (c) 2013-2015, Intel Corporation. */ #ifndef __PERF_AUXTRACE_H #define __PERF_AUXTRACE_H #include <sys/types.h> #include <errno.h> #include <stdbool.h> #include <stddef.h> #include <stdio.h> // FILE #include <linux/list.h> #include <linux/perf_event.h> #include <linux/types.h> #include <perf/cpumap.h> #include <asm/bitsperlong.h> #include <asm/barrier.h> union perf_event; struct perf_session; struct evlist; struct evsel; struct perf_tool; struct mmap; struct perf_sample; struct option; struct record_opts; struct perf_record_auxtrace_error; struct perf_record_auxtrace_info; struct events_stats; struct perf_pmu; enum auxtrace_error_type { PERF_AUXTRACE_ERROR_ITRACE = 1, PERF_AUXTRACE_ERROR_MAX }; /* Auxtrace records must have the same alignment as perf event records */ #define PERF_AUXTRACE_RECORD_ALIGNMENT 8 enum auxtrace_type { PERF_AUXTRACE_UNKNOWN, PERF_AUXTRACE_INTEL_PT, PERF_AUXTRACE_INTEL_BTS, PERF_AUXTRACE_CS_ETM, PERF_AUXTRACE_ARM_SPE, PERF_AUXTRACE_S390_CPUMSF, PERF_AUXTRACE_HISI_PTT, }; enum itrace_period_type { PERF_ITRACE_PERIOD_INSTRUCTIONS, PERF_ITRACE_PERIOD_TICKS, PERF_ITRACE_PERIOD_NANOSECS, }; #define AUXTRACE_ERR_FLG_OVERFLOW (1 << ('o' - 'a')) #define AUXTRACE_ERR_FLG_DATA_LOST (1 << ('l' - 'a')) #define AUXTRACE_LOG_FLG_ALL_PERF_EVTS (1 << ('a' - 'a')) #define AUXTRACE_LOG_FLG_ON_ERROR (1 << ('e' - 'a')) #define AUXTRACE_LOG_FLG_USE_STDOUT (1 << ('o' - 'a')) /** * struct itrace_synth_opts - AUX area tracing synthesis options. * @set: indicates whether or not options have been set * @default_no_sample: Default to no sampling. * @inject: indicates the event (not just the sample) must be fully synthesized * because 'perf inject' will write it out * @instructions: whether to synthesize 'instructions' events * @cycles: whether to synthesize 'cycles' events * (not fully accurate, since CYC packets are only emitted * together with other events, such as branches) * @branches: whether to synthesize 'branches' events * (branch misses only for Arm SPE) * @transactions: whether to synthesize events for transactions * @ptwrites: whether to synthesize events for ptwrites * @pwr_events: whether to synthesize power events * @other_events: whether to synthesize other events recorded due to the use of * aux_output * @intr_events: whether to synthesize interrupt events * @errors: whether to synthesize decoder error events * @dont_decode: whether to skip decoding entirely * @log: write a decoding log * @calls: limit branch samples to calls (can be combined with @returns) * @returns: limit branch samples to returns (can be combined with @calls) * @callchain: add callchain to 'instructions' events * @add_callchain: add callchain to existing event records * @thread_stack: feed branches to the thread_stack * @last_branch: add branch context to 'instruction' events * @add_last_branch: add branch context to existing event records * @approx_ipc: approximate IPC * @flc: whether to synthesize first level cache events * @llc: whether to synthesize last level cache events * @tlb: whether to synthesize TLB events * @remote_access: whether to synthesize remote access events * @mem: whether to synthesize memory events * @timeless_decoding: prefer "timeless" decoding i.e. ignore timestamps * @use_timestamp: use the timestamp trace as kernel time * @vm_time_correlation: perform VM Time Correlation * @vm_tm_corr_dry_run: VM Time Correlation dry-run * @vm_tm_corr_args: VM Time Correlation implementation-specific arguments * @callchain_sz: maximum callchain size * @last_branch_sz: branch context size * @period: 'instructions' events period * @period_type: 'instructions' events period type * @initial_skip: skip N events at the beginning. * @cpu_bitmap: CPUs for which to synthesize events, or NULL for all * @ptime_range: time intervals to trace or NULL * @range_num: number of time intervals to trace * @error_plus_flags: flags to affect what errors are reported * @error_minus_flags: flags to affect what errors are reported * @log_plus_flags: flags to affect what is logged * @log_minus_flags: flags to affect what is logged * @quick: quicker (less detailed) decoding * @log_on_error_size: size of log to keep for outputting log only on errors */ struct itrace_synth_opts { bool set; bool default_no_sample; bool inject; bool instructions; bool cycles; bool branches; bool transactions; bool ptwrites; bool pwr_events; bool other_events; bool intr_events; bool errors; bool dont_decode; bool log; bool calls; bool returns; bool callchain; bool add_callchain; bool thread_stack; bool last_branch; bool add_last_branch; bool approx_ipc; bool flc; bool llc; bool tlb; bool remote_access; bool mem; bool timeless_decoding; bool use_timestamp; bool vm_time_correlation; bool vm_tm_corr_dry_run; char *vm_tm_corr_args; unsigned int callchain_sz; unsigned int last_branch_sz; unsigned long long period; enum itrace_period_type period_type; unsigned long initial_skip; unsigned long *cpu_bitmap; struct perf_time_interval *ptime_range; int range_num; unsigned int error_plus_flags; unsigned int error_minus_flags; unsigned int log_plus_flags; unsigned int log_minus_flags; unsigned int quick; unsigned int log_on_error_size; }; /** * struct auxtrace_index_entry - indexes a AUX area tracing event within a * perf.data file. * @file_offset: offset within the perf.data file * @sz: size of the event */ struct auxtrace_index_entry { u64 file_offset; u64 sz; }; #define PERF_AUXTRACE_INDEX_ENTRY_COUNT 256 /** * struct auxtrace_index - index of AUX area tracing events within a perf.data * file. * @list: linking a number of arrays of entries * @nr: number of entries * @entries: array of entries */ struct auxtrace_index { struct list_head list; size_t nr; struct auxtrace_index_entry entries[PERF_AUXTRACE_INDEX_ENTRY_COUNT]; }; /** * struct auxtrace - session callbacks to allow AUX area data decoding. * @process_event: lets the decoder see all session events * @process_auxtrace_event: process a PERF_RECORD_AUXTRACE event * @queue_data: queue an AUX sample or PERF_RECORD_AUXTRACE event for later * processing * @dump_auxtrace_sample: dump AUX area sample data * @flush_events: process any remaining data * @free_events: free resources associated with event processing * @free: free resources associated with the session */ struct auxtrace { int (*process_event)(struct perf_session *session, union perf_event *event, struct perf_sample *sample, struct perf_tool *tool); int (*process_auxtrace_event)(struct perf_session *session, union perf_event *event, struct perf_tool *tool); int (*queue_data)(struct perf_session *session, struct perf_sample *sample, union perf_event *event, u64 data_offset); void (*dump_auxtrace_sample)(struct perf_session *session, struct perf_sample *sample); int (*flush_events)(struct perf_session *session, struct perf_tool *tool); void (*free_events)(struct perf_session *session); void (*free)(struct perf_session *session); bool (*evsel_is_auxtrace)(struct perf_session *session, struct evsel *evsel); }; /** * struct auxtrace_buffer - a buffer containing AUX area tracing data. * @list: buffers are queued in a list held by struct auxtrace_queue * @size: size of the buffer in bytes * @pid: in per-thread mode, the pid this buffer is associated with * @tid: in per-thread mode, the tid this buffer is associated with * @cpu: in per-cpu mode, the cpu this buffer is associated with * @data: actual buffer data (can be null if the data has not been loaded) * @data_offset: file offset at which the buffer can be read * @mmap_addr: mmap address at which the buffer can be read * @mmap_size: size of the mmap at @mmap_addr * @data_needs_freeing: @data was malloc'd so free it when it is no longer * needed * @consecutive: the original data was split up and this buffer is consecutive * to the previous buffer * @offset: offset as determined by aux_head / aux_tail members of struct * perf_event_mmap_page * @reference: an implementation-specific reference determined when the data is * recorded * @buffer_nr: used to number each buffer * @use_size: implementation actually only uses this number of bytes * @use_data: implementation actually only uses data starting at this address */ struct auxtrace_buffer { struct list_head list; size_t size; pid_t pid; pid_t tid; struct perf_cpu cpu; void *data; off_t data_offset; void *mmap_addr; size_t mmap_size; bool data_needs_freeing; bool consecutive; u64 offset; u64 reference; u64 buffer_nr; size_t use_size; void *use_data; }; /** * struct auxtrace_queue - a queue of AUX area tracing data buffers. * @head: head of buffer list * @tid: in per-thread mode, the tid this queue is associated with * @cpu: in per-cpu mode, the cpu this queue is associated with * @set: %true once this queue has been dedicated to a specific thread or cpu * @priv: implementation-specific data */ struct auxtrace_queue { struct list_head head; pid_t tid; int cpu; bool set; void *priv; }; /** * struct auxtrace_queues - an array of AUX area tracing queues. * @queue_array: array of queues * @nr_queues: number of queues * @new_data: set whenever new data is queued * @populated: queues have been fully populated using the auxtrace_index * @next_buffer_nr: used to number each buffer */ struct auxtrace_queues { struct auxtrace_queue *queue_array; unsigned int nr_queues; bool new_data; bool populated; u64 next_buffer_nr; }; /** * struct auxtrace_heap_item - element of struct auxtrace_heap. * @queue_nr: queue number * @ordinal: value used for sorting (lowest ordinal is top of the heap) expected * to be a timestamp */ struct auxtrace_heap_item { unsigned int queue_nr; u64 ordinal; }; /** * struct auxtrace_heap - a heap suitable for sorting AUX area tracing queues. * @heap_array: the heap * @heap_cnt: the number of elements in the heap * @heap_sz: maximum number of elements (grows as needed) */ struct auxtrace_heap { struct auxtrace_heap_item *heap_array; unsigned int heap_cnt; unsigned int heap_sz; }; /** * struct auxtrace_mmap - records an mmap of the auxtrace buffer. * @base: address of mapped area * @userpg: pointer to buffer's perf_event_mmap_page * @mask: %0 if @len is not a power of two, otherwise (@len - %1) * @len: size of mapped area * @prev: previous aux_head * @idx: index of this mmap * @tid: tid for a per-thread mmap (also set if there is only 1 tid on a per-cpu * mmap) otherwise %0 * @cpu: cpu number for a per-cpu mmap otherwise %-1 */ struct auxtrace_mmap { void *base; void *userpg; size_t mask; size_t len; u64 prev; int idx; pid_t tid; int cpu; }; /** * struct auxtrace_mmap_params - parameters to set up struct auxtrace_mmap. * @mask: %0 if @len is not a power of two, otherwise (@len - %1) * @offset: file offset of mapped area * @len: size of mapped area * @prot: mmap memory protection * @idx: index of this mmap * @tid: tid for a per-thread mmap (also set if there is only 1 tid on a per-cpu * mmap) otherwise %0 * @mmap_needed: set to %false for non-auxtrace events. This is needed because * auxtrace mmapping is done in the same code path as non-auxtrace * mmapping but not every evsel that needs non-auxtrace mmapping * also needs auxtrace mmapping. * @cpu: cpu number for a per-cpu mmap otherwise %-1 */ struct auxtrace_mmap_params { size_t mask; off_t offset; size_t len; int prot; int idx; pid_t tid; bool mmap_needed; struct perf_cpu cpu; }; /** * struct auxtrace_record - callbacks for recording AUX area data. * @recording_options: validate and process recording options * @info_priv_size: return the size of the private data in auxtrace_info_event * @info_fill: fill-in the private data in auxtrace_info_event * @free: free this auxtrace record structure * @snapshot_start: starting a snapshot * @snapshot_finish: finishing a snapshot * @find_snapshot: find data to snapshot within auxtrace mmap * @parse_snapshot_options: parse snapshot options * @reference: provide a 64-bit reference number for auxtrace_event * @read_finish: called after reading from an auxtrace mmap * @alignment: alignment (if any) for AUX area data * @default_aux_sample_size: default sample size for --aux sample option * @pmu: associated pmu * @evlist: selected events list */ struct auxtrace_record { int (*recording_options)(struct auxtrace_record *itr, struct evlist *evlist, struct record_opts *opts); size_t (*info_priv_size)(struct auxtrace_record *itr, struct evlist *evlist); int (*info_fill)(struct auxtrace_record *itr, struct perf_session *session, struct perf_record_auxtrace_info *auxtrace_info, size_t priv_size); void (*free)(struct auxtrace_record *itr); int (*snapshot_start)(struct auxtrace_record *itr); int (*snapshot_finish)(struct auxtrace_record *itr); int (*find_snapshot)(struct auxtrace_record *itr, int idx, struct auxtrace_mmap *mm, unsigned char *data, u64 *head, u64 *old); int (*parse_snapshot_options)(struct auxtrace_record *itr, struct record_opts *opts, const char *str); u64 (*reference)(struct auxtrace_record *itr); int (*read_finish)(struct auxtrace_record *itr, int idx); unsigned int alignment; unsigned int default_aux_sample_size; struct perf_pmu *pmu; struct evlist *evlist; }; /** * struct addr_filter - address filter. * @list: list node * @range: true if it is a range filter * @start: true if action is 'filter' or 'start' * @action: 'filter', 'start' or 'stop' ('tracestop' is accepted but converted * to 'stop') * @sym_from: symbol name for the filter address * @sym_to: symbol name that determines the filter size * @sym_from_idx: selects n'th from symbols with the same name (0 means global * and less than 0 means symbol must be unique) * @sym_to_idx: same as @sym_from_idx but for @sym_to * @addr: filter address * @size: filter region size (for range filters) * @filename: DSO file name or NULL for the kernel * @str: allocated string that contains the other string members */ struct addr_filter { struct list_head list; bool range; bool start; const char *action; const char *sym_from; const char *sym_to; int sym_from_idx; int sym_to_idx; u64 addr; u64 size; const char *filename; char *str; }; /** * struct addr_filters - list of address filters. * @head: list of address filters * @cnt: number of address filters */ struct addr_filters { struct list_head head; int cnt; }; struct auxtrace_cache; #ifdef HAVE_AUXTRACE_SUPPORT u64 compat_auxtrace_mmap__read_head(struct auxtrace_mmap *mm); int compat_auxtrace_mmap__write_tail(struct auxtrace_mmap *mm, u64 tail); static inline u64 auxtrace_mmap__read_head(struct auxtrace_mmap *mm, int kernel_is_64_bit __maybe_unused) { struct perf_event_mmap_page *pc = mm->userpg; u64 head; #if BITS_PER_LONG == 32 if (kernel_is_64_bit) return compat_auxtrace_mmap__read_head(mm); #endif head = READ_ONCE(pc->aux_head); /* Ensure all reads are done after we read the head */ smp_rmb(); return head; } static inline int auxtrace_mmap__write_tail(struct auxtrace_mmap *mm, u64 tail, int kernel_is_64_bit __maybe_unused) { struct perf_event_mmap_page *pc = mm->userpg; #if BITS_PER_LONG == 32 if (kernel_is_64_bit) return compat_auxtrace_mmap__write_tail(mm, tail); #endif /* Ensure all reads are done before we write the tail out */ smp_mb(); WRITE_ONCE(pc->aux_tail, tail); return 0; } int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, struct auxtrace_mmap_params *mp, void *userpg, int fd); void auxtrace_mmap__munmap(struct auxtrace_mmap *mm); void auxtrace_mmap_params__init(struct auxtrace_mmap_params *mp, off_t auxtrace_offset, unsigned int auxtrace_pages, bool auxtrace_overwrite); void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp, struct evlist *evlist, struct evsel *evsel, int idx); typedef int (*process_auxtrace_t)(struct perf_tool *tool, struct mmap *map, union perf_event *event, void *data1, size_t len1, void *data2, size_t len2); int auxtrace_mmap__read(struct mmap *map, struct auxtrace_record *itr, struct perf_tool *tool, process_auxtrace_t fn); int auxtrace_mmap__read_snapshot(struct mmap *map, struct auxtrace_record *itr, struct perf_tool *tool, process_auxtrace_t fn, size_t snapshot_size); int auxtrace_queues__init(struct auxtrace_queues *queues); int auxtrace_queues__add_event(struct auxtrace_queues *queues, struct perf_session *session, union perf_event *event, off_t data_offset, struct auxtrace_buffer **buffer_ptr); struct auxtrace_queue * auxtrace_queues__sample_queue(struct auxtrace_queues *queues, struct perf_sample *sample, struct perf_session *session); int auxtrace_queues__add_sample(struct auxtrace_queues *queues, struct perf_session *session, struct perf_sample *sample, u64 data_offset, u64 reference); void auxtrace_queues__free(struct auxtrace_queues *queues); int auxtrace_queues__process_index(struct auxtrace_queues *queues, struct perf_session *session); int auxtrace_queue_data(struct perf_session *session, bool samples, bool events); struct auxtrace_buffer *auxtrace_buffer__next(struct auxtrace_queue *queue, struct auxtrace_buffer *buffer); void *auxtrace_buffer__get_data_rw(struct auxtrace_buffer *buffer, int fd, bool rw); static inline void *auxtrace_buffer__get_data(struct auxtrace_buffer *buffer, int fd) { return auxtrace_buffer__get_data_rw(buffer, fd, false); } void auxtrace_buffer__put_data(struct auxtrace_buffer *buffer); void auxtrace_buffer__drop_data(struct auxtrace_buffer *buffer); void auxtrace_buffer__free(struct auxtrace_buffer *buffer); int auxtrace_heap__add(struct auxtrace_heap *heap, unsigned int queue_nr, u64 ordinal); void auxtrace_heap__pop(struct auxtrace_heap *heap); void auxtrace_heap__free(struct auxtrace_heap *heap); struct auxtrace_cache_entry { struct hlist_node hash; u32 key; }; struct auxtrace_cache *auxtrace_cache__new(unsigned int bits, size_t entry_size, unsigned int limit_percent); void auxtrace_cache__free(struct auxtrace_cache *auxtrace_cache); void *auxtrace_cache__alloc_entry(struct auxtrace_cache *c); void auxtrace_cache__free_entry(struct auxtrace_cache *c, void *entry); int auxtrace_cache__add(struct auxtrace_cache *c, u32 key, struct auxtrace_cache_entry *entry); void auxtrace_cache__remove(struct auxtrace_cache *c, u32 key); void *auxtrace_cache__lookup(struct auxtrace_cache *c, u32 key); struct auxtrace_record *auxtrace_record__init(struct evlist *evlist, int *err); int auxtrace_parse_snapshot_options(struct auxtrace_record *itr, struct record_opts *opts, const char *str); int auxtrace_parse_sample_options(struct auxtrace_record *itr, struct evlist *evlist, struct record_opts *opts, const char *str); void auxtrace_regroup_aux_output(struct evlist *evlist); int auxtrace_record__options(struct auxtrace_record *itr, struct evlist *evlist, struct record_opts *opts); size_t auxtrace_record__info_priv_size(struct auxtrace_record *itr, struct evlist *evlist); int auxtrace_record__info_fill(struct auxtrace_record *itr, struct perf_session *session, struct perf_record_auxtrace_info *auxtrace_info, size_t priv_size); void auxtrace_record__free(struct auxtrace_record *itr); int auxtrace_record__snapshot_start(struct auxtrace_record *itr); int auxtrace_record__snapshot_finish(struct auxtrace_record *itr, bool on_exit); int auxtrace_record__find_snapshot(struct auxtrace_record *itr, int idx, struct auxtrace_mmap *mm, unsigned char *data, u64 *head, u64 *old); u64 auxtrace_record__reference(struct auxtrace_record *itr); int auxtrace_record__read_finish(struct auxtrace_record *itr, int idx); int auxtrace_index__auxtrace_event(struct list_head *head, union perf_event *event, off_t file_offset); int auxtrace_index__write(int fd, struct list_head *head); int auxtrace_index__process(int fd, u64 size, struct perf_session *session, bool needs_swap); void auxtrace_index__free(struct list_head *head); void auxtrace_synth_guest_error(struct perf_record_auxtrace_error *auxtrace_error, int type, int code, int cpu, pid_t pid, pid_t tid, u64 ip, const char *msg, u64 timestamp, pid_t machine_pid, int vcpu); void auxtrace_synth_error(struct perf_record_auxtrace_error *auxtrace_error, int type, int code, int cpu, pid_t pid, pid_t tid, u64 ip, const char *msg, u64 timestamp); int perf_event__process_auxtrace_info(struct perf_session *session, union perf_event *event); s64 perf_event__process_auxtrace(struct perf_session *session, union perf_event *event); int perf_event__process_auxtrace_error(struct perf_session *session, union perf_event *event); int itrace_do_parse_synth_opts(struct itrace_synth_opts *synth_opts, const char *str, int unset); int itrace_parse_synth_opts(const struct option *opt, const char *str, int unset); void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts, bool no_sample); size_t perf_event__fprintf_auxtrace_error(union perf_event *event, FILE *fp); void perf_session__auxtrace_error_inc(struct perf_session *session, union perf_event *event); void events_stats__auxtrace_error_warn(const struct events_stats *stats); void addr_filters__init(struct addr_filters *filts); void addr_filters__exit(struct addr_filters *filts); int addr_filters__parse_bare_filter(struct addr_filters *filts, const char *filter); int auxtrace_parse_filters(struct evlist *evlist); int auxtrace__process_event(struct perf_session *session, union perf_event *event, struct perf_sample *sample, struct perf_tool *tool); void auxtrace__dump_auxtrace_sample(struct perf_session *session, struct perf_sample *sample); int auxtrace__flush_events(struct perf_session *session, struct perf_tool *tool); void auxtrace__free_events(struct perf_session *session); void auxtrace__free(struct perf_session *session); bool auxtrace__evsel_is_auxtrace(struct perf_session *session, struct evsel *evsel); #define ITRACE_HELP \ " i[period]: synthesize instructions events\n" \ " y[period]: synthesize cycles events (same period as i)\n" \ " b: synthesize branches events (branch misses for Arm SPE)\n" \ " c: synthesize branches events (calls only)\n" \ " r: synthesize branches events (returns only)\n" \ " x: synthesize transactions events\n" \ " w: synthesize ptwrite events\n" \ " p: synthesize power events\n" \ " o: synthesize other events recorded due to the use\n" \ " of aux-output (refer to perf record)\n" \ " I: synthesize interrupt or similar (asynchronous) events\n" \ " (e.g. Intel PT Event Trace)\n" \ " e[flags]: synthesize error events\n" \ " each flag must be preceded by + or -\n" \ " error flags are: o (overflow)\n" \ " l (data lost)\n" \ " d[flags]: create a debug log\n" \ " each flag must be preceded by + or -\n" \ " log flags are: a (all perf events)\n" \ " o (output to stdout)\n" \ " f: synthesize first level cache events\n" \ " m: synthesize last level cache events\n" \ " t: synthesize TLB events\n" \ " a: synthesize remote access events\n" \ " g[len]: synthesize a call chain (use with i or x)\n" \ " G[len]: synthesize a call chain on existing event records\n" \ " l[len]: synthesize last branch entries (use with i or x)\n" \ " L[len]: synthesize last branch entries on existing event records\n" \ " sNUMBER: skip initial number of events\n" \ " q: quicker (less detailed) decoding\n" \ " A: approximate IPC\n" \ " Z: prefer to ignore timestamps (so-called \"timeless\" decoding)\n" \ " T: use the timestamp trace as kernel time\n" \ " PERIOD[ns|us|ms|i|t]: specify period to sample stream\n" \ " concatenate multiple options. Default is iybxwpe or cewp\n" static inline void itrace_synth_opts__set_time_range(struct itrace_synth_opts *opts, struct perf_time_interval *ptime_range, int range_num) { opts->ptime_range = ptime_range; opts->range_num = range_num; } static inline void itrace_synth_opts__clear_time_range(struct itrace_synth_opts *opts) { opts->ptime_range = NULL; opts->range_num = 0; } #else #include "debug.h" static inline struct auxtrace_record * auxtrace_record__init(struct evlist *evlist __maybe_unused, int *err) { *err = 0; return NULL; } static inline void auxtrace_record__free(struct auxtrace_record *itr __maybe_unused) { } static inline int auxtrace_record__options(struct auxtrace_record *itr __maybe_unused, struct evlist *evlist __maybe_unused, struct record_opts *opts __maybe_unused) { return 0; } static inline int perf_event__process_auxtrace_info(struct perf_session *session __maybe_unused, union perf_event *event __maybe_unused) { return 0; } static inline s64 perf_event__process_auxtrace(struct perf_session *session __maybe_unused, union perf_event *event __maybe_unused) { return 0; } static inline int perf_event__process_auxtrace_error(struct perf_session *session __maybe_unused, union perf_event *event __maybe_unused) { return 0; } static inline void perf_session__auxtrace_error_inc(struct perf_session *session __maybe_unused, union perf_event *event __maybe_unused) { } static inline void events_stats__auxtrace_error_warn(const struct events_stats *stats __maybe_unused) { } static inline int itrace_do_parse_synth_opts(struct itrace_synth_opts *synth_opts __maybe_unused, const char *str __maybe_unused, int unset __maybe_unused) { pr_err("AUX area tracing not supported\n"); return -EINVAL; } static inline int itrace_parse_synth_opts(const struct option *opt __maybe_unused, const char *str __maybe_unused, int unset __maybe_unused) { pr_err("AUX area tracing not supported\n"); return -EINVAL; } static inline int auxtrace_parse_snapshot_options(struct auxtrace_record *itr __maybe_unused, struct record_opts *opts __maybe_unused, const char *str) { if (!str) return 0; pr_err("AUX area tracing not supported\n"); return -EINVAL; } static inline int auxtrace_parse_sample_options(struct auxtrace_record *itr __maybe_unused, struct evlist *evlist __maybe_unused, struct record_opts *opts __maybe_unused, const char *str) { if (!str) return 0; pr_err("AUX area tracing not supported\n"); return -EINVAL; } static inline void auxtrace_regroup_aux_output(struct evlist *evlist __maybe_unused) { } static inline int auxtrace__process_event(struct perf_session *session __maybe_unused, union perf_event *event __maybe_unused, struct perf_sample *sample __maybe_unused, struct perf_tool *tool __maybe_unused) { return 0; } static inline void auxtrace__dump_auxtrace_sample(struct perf_session *session __maybe_unused, struct perf_sample *sample __maybe_unused) { } static inline int auxtrace__flush_events(struct perf_session *session __maybe_unused, struct perf_tool *tool __maybe_unused) { return 0; } static inline void auxtrace__free_events(struct perf_session *session __maybe_unused) { } static inline void auxtrace_cache__free(struct auxtrace_cache *auxtrace_cache __maybe_unused) { } static inline void auxtrace__free(struct perf_session *session __maybe_unused) { } static inline int auxtrace_index__write(int fd __maybe_unused, struct list_head *head __maybe_unused) { return -EINVAL; } static inline int auxtrace_index__process(int fd __maybe_unused, u64 size __maybe_unused, struct perf_session *session __maybe_unused, bool needs_swap __maybe_unused) { return -EINVAL; } static inline void auxtrace_index__free(struct list_head *head __maybe_unused) { } static inline bool auxtrace__evsel_is_auxtrace(struct perf_session *session __maybe_unused, struct evsel *evsel __maybe_unused) { return false; } static inline int auxtrace_parse_filters(struct evlist *evlist __maybe_unused) { return 0; } int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, struct auxtrace_mmap_params *mp, void *userpg, int fd); void auxtrace_mmap__munmap(struct auxtrace_mmap *mm); void auxtrace_mmap_params__init(struct auxtrace_mmap_params *mp, off_t auxtrace_offset, unsigned int auxtrace_pages, bool auxtrace_overwrite); void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp, struct evlist *evlist, struct evsel *evsel, int idx); #define ITRACE_HELP "" static inline void itrace_synth_opts__set_time_range(struct itrace_synth_opts *opts __maybe_unused, struct perf_time_interval *ptime_range __maybe_unused, int range_num __maybe_unused) { } static inline void itrace_synth_opts__clear_time_range(struct itrace_synth_opts *opts __maybe_unused) { } #endif #endif
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