| // SPDX-License-Identifier: GPL-2.0 |
| #include "perf.h" |
| #include "util/debug.h" |
| #include "util/event.h" |
| #include "util/map.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" |
| #include <linux/kernel.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; |
| } |
| |
| static void del_hist_entries(struct hists *hists) |
| { |
| struct hist_entry *he; |
| struct rb_root_cached *root_in; |
| struct rb_root_cached *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->rb_root)) { |
| node = rb_first_cached(root_out); |
| |
| he = rb_entry(node, struct hist_entry, rb_node); |
| rb_erase_cached(node, root_out); |
| rb_erase_cached(&he->rb_node_in, root_in); |
| hist_entry__delete(he); |
| } |
| } |
| |
| 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_cached *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_cached(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; |
| } |
| |
| /* 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_cached *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_cached(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; |
| } |
| |
| /* 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_cached *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_cached(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; |
| } |
| |
| /* 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_cached *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_cached(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; |
| } |
| |
| /* 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_cached *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_cached(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; |
| } |
| |
| int test__hists_output(struct test *test __maybe_unused, 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; |
| } |