// SPDX-License-Identifier: GPL-2.0
|
#include "perf.h"
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#include "util/debug.h"
|
#include "util/event.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;
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fake_samples[i].map = al.map;
|
fake_samples[i].sym = al.sym;
|
}
|
|
return TEST_OK;
|
|
out:
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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 *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);
|
}
|
}
|
|
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;
|
}
|
|
/* 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;
|
}
|
|
/* 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;
|
}
|
|
/* 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;
|
}
|
|
/* 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;
|
}
|
|
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;
|
}
|
