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Release 4.11 tools/perf/tests/hists_output.c

Directory: tools/perf/tests
#include "perf.h"
#include "util/debug.h"
#include "util/symbol.h"
#include "util/sort.h"
#include "util/evsel.h"
#include "util/evlist.h"
#include "util/machine.h"
#include "util/thread.h"
#include "util/parse-events.h"
#include "tests/tests.h"
#include "tests/hists_common.h"


struct sample {
	
u32 cpu;
	
u32 pid;
	
u64 ip;
	
struct thread *thread;
	
struct map *map;
	
struct symbol *sym;
};

/* For the numbers, see hists_common.c */

static struct sample fake_samples[] = {
	/* perf [kernel] schedule() */
	{ .cpu = 0, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, },
	/* perf [perf]   main() */
	{ .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, },
	/* perf [perf]   cmd_record() */
	{ .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_CMD_RECORD, },
	/* perf [libc]   malloc() */
	{ .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, },
	/* perf [libc]   free() */
	{ .cpu = 2, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_FREE, },
	/* perf [perf]   main() */
	{ .cpu = 2, .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, },
	/* perf [kernel] page_fault() */
	{ .cpu = 2, .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
	/* bash [bash]   main() */
	{ .cpu = 3, .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_MAIN, },
	/* bash [bash]   xmalloc() */
	{ .cpu = 0, .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_XMALLOC, },
	/* bash [kernel] page_fault() */
	{ .cpu = 1, .pid = FAKE_PID_BASH,  .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
};


static int add_hist_entries(struct hists *hists, struct machine *machine) { struct addr_location al; struct perf_evsel *evsel = hists_to_evsel(hists); struct perf_sample sample = { .period = 100, }; size_t i; for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { struct hist_entry_iter iter = { .evsel = evsel, .sample = &sample, .ops = &hist_iter_normal, .hide_unresolved = false, }; sample.cpumode = PERF_RECORD_MISC_USER; sample.cpu = fake_samples[i].cpu; sample.pid = fake_samples[i].pid; sample.tid = fake_samples[i].pid; sample.ip = fake_samples[i].ip; if (machine__resolve(machine, &al, &sample) < 0) goto out; if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, NULL) < 0) { addr_location__put(&al); goto out; } fake_samples[i].thread = al.thread; fake_samples[i].map = al.map; fake_samples[i].sym = al.sym; } return TEST_OK; out: pr_debug("Not enough memory for adding a hist entry\n"); return TEST_FAIL; }

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Namhyung Kim21693.10%450.00%
Arnaldo Carvalho de Melo166.90%450.00%
Total232100.00%8100.00%


static void del_hist_entries(struct hists *hists) { struct hist_entry *he; struct rb_root *root_in; struct rb_root *root_out; struct rb_node *node; if (hists__has(hists, need_collapse)) root_in = &hists->entries_collapsed; else root_in = hists->entries_in; root_out = &hists->entries; while (!RB_EMPTY_ROOT(root_out)) { node = rb_first(root_out); he = rb_entry(node, struct hist_entry, rb_node); rb_erase(node, root_out); rb_erase(&he->rb_node_in, root_in); hist_entry__delete(he); } }

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Namhyung Kim10593.75%133.33%
Jiri Olsa65.36%133.33%
Arnaldo Carvalho de Melo10.89%133.33%
Total112100.00%3100.00%

typedef int (*test_fn_t)(struct perf_evsel *, struct machine *); #define COMM(he) (thread__comm_str(he->thread)) #define DSO(he) (he->ms.map->dso->short_name) #define SYM(he) (he->ms.sym->name) #define CPU(he) (he->cpu) #define PID(he) (he->thread->tid) /* default sort keys (no field) */
static int test1(struct perf_evsel *evsel, struct machine *machine) { int err; struct hists *hists = evsel__hists(evsel); struct hist_entry *he; struct rb_root *root; struct rb_node *node; field_order = NULL; sort_order = NULL; /* equivalent to sort_order = "comm,dso,sym" */ setup_sorting(NULL); /* * expected output: * * Overhead Command Shared Object Symbol * ======== ======= ============= ============== * 20.00% perf perf [.] main * 10.00% bash [kernel] [k] page_fault * 10.00% bash bash [.] main * 10.00% bash bash [.] xmalloc * 10.00% perf [kernel] [k] page_fault * 10.00% perf [kernel] [k] schedule * 10.00% perf libc [.] free * 10.00% perf libc [.] malloc * 10.00% perf perf [.] cmd_record */ err = add_hist_entries(hists, machine); if (err < 0) goto out; hists__collapse_resort(hists, NULL); perf_evsel__output_resort(evsel, NULL); if (verbose > 2) { pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); print_hists_out(hists); } root = &hists->entries; node = rb_first(root); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && !strcmp(SYM(he), "main") && he->stat.period == 200); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "page_fault") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && !strcmp(SYM(he), "main") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && !strcmp(SYM(he), "xmalloc") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "page_fault") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "schedule") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && !strcmp(SYM(he), "free") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && !strcmp(SYM(he), "malloc") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && !strcmp(SYM(he), "cmd_record") && he->stat.period == 100); out: del_hist_entries(hists); reset_output_field(); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Namhyung Kim71299.16%360.00%
Arnaldo Carvalho de Melo40.56%120.00%
Jiri Olsa20.28%120.00%
Total718100.00%5100.00%

/* mixed fields and sort keys */
static int test2(struct perf_evsel *evsel, struct machine *machine) { int err; struct hists *hists = evsel__hists(evsel); struct hist_entry *he; struct rb_root *root; struct rb_node *node; field_order = "overhead,cpu"; sort_order = "pid"; setup_sorting(NULL); /* * expected output: * * Overhead CPU Command: Pid * ======== === ============= * 30.00% 1 perf : 100 * 10.00% 0 perf : 100 * 10.00% 2 perf : 100 * 20.00% 2 perf : 200 * 10.00% 0 bash : 300 * 10.00% 1 bash : 300 * 10.00% 3 bash : 300 */ err = add_hist_entries(hists, machine); if (err < 0) goto out; hists__collapse_resort(hists, NULL); perf_evsel__output_resort(evsel, NULL); if (verbose > 2) { pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); print_hists_out(hists); } root = &hists->entries; node = rb_first(root); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 1 && PID(he) == 100 && he->stat.period == 300); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 0 && PID(he) == 100 && he->stat.period == 100); out: del_hist_entries(hists); reset_output_field(); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Namhyung Kim21897.32%360.00%
Arnaldo Carvalho de Melo41.79%120.00%
Jiri Olsa20.89%120.00%
Total224100.00%5100.00%

/* fields only (no sort key) */
static int test3(struct perf_evsel *evsel, struct machine *machine) { int err; struct hists *hists = evsel__hists(evsel); struct hist_entry *he; struct rb_root *root; struct rb_node *node; field_order = "comm,overhead,dso"; sort_order = NULL; setup_sorting(NULL); /* * expected output: * * Command Overhead Shared Object * ======= ======== ============= * bash 20.00% bash * bash 10.00% [kernel] * perf 30.00% perf * perf 20.00% [kernel] * perf 20.00% libc */ err = add_hist_entries(hists, machine); if (err < 0) goto out; hists__collapse_resort(hists, NULL); perf_evsel__output_resort(evsel, NULL); if (verbose > 2) { pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); print_hists_out(hists); } root = &hists->entries; node = rb_first(root); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && he->stat.period == 200); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "[kernel]") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && he->stat.period == 300); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && he->stat.period == 200); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && he->stat.period == 200); out: del_hist_entries(hists); reset_output_field(); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Namhyung Kim39698.51%360.00%
Arnaldo Carvalho de Melo41.00%120.00%
Jiri Olsa20.50%120.00%
Total402100.00%5100.00%

/* handle duplicate 'dso' field */
static int test4(struct perf_evsel *evsel, struct machine *machine) { int err; struct hists *hists = evsel__hists(evsel); struct hist_entry *he; struct rb_root *root; struct rb_node *node; field_order = "dso,sym,comm,overhead,dso"; sort_order = "sym"; setup_sorting(NULL); /* * expected output: * * Shared Object Symbol Command Overhead * ============= ============== ======= ======== * perf [.] cmd_record perf 10.00% * libc [.] free perf 10.00% * bash [.] main bash 10.00% * perf [.] main perf 20.00% * libc [.] malloc perf 10.00% * [kernel] [k] page_fault bash 10.00% * [kernel] [k] page_fault perf 10.00% * [kernel] [k] schedule perf 10.00% * bash [.] xmalloc bash 10.00% */ err = add_hist_entries(hists, machine); if (err < 0) goto out; hists__collapse_resort(hists, NULL); perf_evsel__output_resort(evsel, NULL); if (verbose > 2) { pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); print_hists_out(hists); } root = &hists->entries; node = rb_first(root); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(DSO(he), "perf") && !strcmp(SYM(he), "cmd_record") && !strcmp(COMM(he), "perf") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(DSO(he), "libc") && !strcmp(SYM(he), "free") && !strcmp(COMM(he), "perf") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(DSO(he), "bash") && !strcmp(SYM(he), "main") && !strcmp(COMM(he), "bash") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(DSO(he), "perf") && !strcmp(SYM(he), "main") && !strcmp(COMM(he), "perf") && he->stat.period == 200); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(DSO(he), "libc") && !strcmp(SYM(he), "malloc") && !strcmp(COMM(he), "perf") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "page_fault") && !strcmp(COMM(he), "bash") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "page_fault") && !strcmp(COMM(he), "perf") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "schedule") && !strcmp(COMM(he), "perf") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", !strcmp(DSO(he), "bash") && !strcmp(SYM(he), "xmalloc") && !strcmp(COMM(he), "bash") && he->stat.period == 100); out: del_hist_entries(hists); reset_output_field(); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Namhyung Kim71199.16%360.00%
Arnaldo Carvalho de Melo40.56%120.00%
Jiri Olsa20.28%120.00%
Total717100.00%5100.00%

/* full sort keys w/o overhead field */
static int test5(struct perf_evsel *evsel, struct machine *machine) { int err; struct hists *hists = evsel__hists(evsel); struct hist_entry *he; struct rb_root *root; struct rb_node *node; field_order = "cpu,pid,comm,dso,sym"; sort_order = "dso,pid"; setup_sorting(NULL); /* * expected output: * * CPU Command: Pid Command Shared Object Symbol * === ============= ======= ============= ============== * 0 perf: 100 perf [kernel] [k] schedule * 2 perf: 200 perf [kernel] [k] page_fault * 1 bash: 300 bash [kernel] [k] page_fault * 0 bash: 300 bash bash [.] xmalloc * 3 bash: 300 bash bash [.] main * 1 perf: 100 perf libc [.] malloc * 2 perf: 100 perf libc [.] free * 1 perf: 100 perf perf [.] cmd_record * 1 perf: 100 perf perf [.] main * 2 perf: 200 perf perf [.] main */ err = add_hist_entries(hists, machine); if (err < 0) goto out; hists__collapse_resort(hists, NULL); perf_evsel__output_resort(evsel, NULL); if (verbose > 2) { pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); print_hists_out(hists); } root = &hists->entries; node = rb_first(root); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 0 && PID(he) == 100 && !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "schedule") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 2 && PID(he) == 200 && !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "page_fault") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 1 && PID(he) == 300 && !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "page_fault") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 0 && PID(he) == 300 && !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && !strcmp(SYM(he), "xmalloc") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 3 && PID(he) == 300 && !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && !strcmp(SYM(he), "main") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 1 && PID(he) == 100 && !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && !strcmp(SYM(he), "malloc") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 2 && PID(he) == 100 && !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && !strcmp(SYM(he), "free") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 1 && PID(he) == 100 && !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && !strcmp(SYM(he), "cmd_record") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 1 && PID(he) == 100 && !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && !strcmp(SYM(he), "main") && he->stat.period == 100); node = rb_next(node); he = rb_entry(node, struct hist_entry, rb_node); TEST_ASSERT_VAL("Invalid hist entry", CPU(he) == 2 && PID(he) == 200 && !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && !strcmp(SYM(he), "main") && he->stat.period == 100); out: del_hist_entries(hists); reset_output_field(); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Namhyung Kim91699.35%360.00%
Arnaldo Carvalho de Melo40.43%120.00%
Jiri Olsa20.22%120.00%
Total922100.00%5100.00%


int test__hists_output(int subtest __maybe_unused) { int err = TEST_FAIL; struct machines machines; struct machine *machine; struct perf_evsel *evsel; struct perf_evlist *evlist = perf_evlist__new(); size_t i; test_fn_t testcases[] = { test1, test2, test3, test4, test5, }; TEST_ASSERT_VAL("No memory", evlist); err = parse_events(evlist, "cpu-clock", NULL); if (err) goto out; err = TEST_FAIL; machines__init(&machines); /* setup threads/dso/map/symbols also */ machine = setup_fake_machine(&machines); if (!machine) goto out; if (verbose > 1) machine__fprintf(machine, stderr); evsel = perf_evlist__first(evlist); for (i = 0; i < ARRAY_SIZE(testcases); i++) { err = testcases[i](evsel, machine); if (err < 0) break; } out: /* tear down everything */ perf_evlist__delete(evlist); machines__exit(&machines); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Namhyung Kim17295.03%125.00%
Wang Nan42.21%125.00%
Arnaldo Carvalho de Melo31.66%125.00%
Jiri Olsa21.10%125.00%
Total181100.00%4100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Namhyung Kim375398.37%738.89%
Arnaldo Carvalho de Melo401.05%738.89%
Jiri Olsa180.47%316.67%
Wang Nan40.10%15.56%
Total3815100.00%18100.00%
Directory: tools/perf/tests
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