738 lines
20 KiB
C
738 lines
20 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include "perf.h"
|
|
#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 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() */
|
|
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, },
|
|
/* perf [perf] main() */
|
|
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, },
|
|
/* perf [perf] cmd_record() */
|
|
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_CMD_RECORD, },
|
|
/* perf [libc] malloc() */
|
|
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, },
|
|
/* perf [libc] free() */
|
|
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_FREE, },
|
|
/* perf [perf] main() */
|
|
{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, },
|
|
/* perf [kernel] page_fault() */
|
|
{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
|
|
/* bash [bash] main() */
|
|
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, },
|
|
/* bash [bash] xmalloc() */
|
|
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, },
|
|
/* bash [kernel] page_fault() */
|
|
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
|
|
};
|
|
|
|
/*
|
|
* Will be casted to struct ip_callchain which has all 64 bit entries
|
|
* of nr and ips[].
|
|
*/
|
|
static u64 fake_callchains[][10] = {
|
|
/* schedule => run_command => main */
|
|
{ 3, FAKE_IP_KERNEL_SCHEDULE, FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, },
|
|
/* main */
|
|
{ 1, FAKE_IP_PERF_MAIN, },
|
|
/* cmd_record => run_command => main */
|
|
{ 3, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, },
|
|
/* malloc => cmd_record => run_command => main */
|
|
{ 4, FAKE_IP_LIBC_MALLOC, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND,
|
|
FAKE_IP_PERF_MAIN, },
|
|
/* free => cmd_record => run_command => main */
|
|
{ 4, FAKE_IP_LIBC_FREE, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND,
|
|
FAKE_IP_PERF_MAIN, },
|
|
/* main */
|
|
{ 1, FAKE_IP_PERF_MAIN, },
|
|
/* page_fault => sys_perf_event_open => run_command => main */
|
|
{ 4, FAKE_IP_KERNEL_PAGE_FAULT, FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN,
|
|
FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, },
|
|
/* main */
|
|
{ 1, FAKE_IP_BASH_MAIN, },
|
|
/* xmalloc => malloc => xmalloc => malloc => xmalloc => main */
|
|
{ 6, FAKE_IP_BASH_XMALLOC, FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_XMALLOC,
|
|
FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_XMALLOC, FAKE_IP_BASH_MAIN, },
|
|
/* page_fault => malloc => main */
|
|
{ 3, FAKE_IP_KERNEL_PAGE_FAULT, FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_MAIN, },
|
|
};
|
|
|
|
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 = 1000, };
|
|
size_t i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fake_samples); i++) {
|
|
struct hist_entry_iter iter = {
|
|
.evsel = evsel,
|
|
.sample = &sample,
|
|
.hide_unresolved = false,
|
|
};
|
|
|
|
if (symbol_conf.cumulate_callchain)
|
|
iter.ops = &hist_iter_cumulative;
|
|
else
|
|
iter.ops = &hist_iter_normal;
|
|
|
|
sample.cpumode = PERF_RECORD_MISC_USER;
|
|
sample.pid = fake_samples[i].pid;
|
|
sample.tid = fake_samples[i].pid;
|
|
sample.ip = fake_samples[i].ip;
|
|
sample.callchain = (struct ip_callchain *)fake_callchains[i];
|
|
|
|
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 *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)
|
|
#define DEPTH(he) (he->callchain->max_depth)
|
|
#define CDSO(cl) (cl->ms.map->dso->short_name)
|
|
#define CSYM(cl) (cl->ms.sym->name)
|
|
|
|
struct result {
|
|
u64 children;
|
|
u64 self;
|
|
const char *comm;
|
|
const char *dso;
|
|
const char *sym;
|
|
};
|
|
|
|
struct callchain_result {
|
|
u64 nr;
|
|
struct {
|
|
const char *dso;
|
|
const char *sym;
|
|
} node[10];
|
|
};
|
|
|
|
static int do_test(struct hists *hists, struct result *expected, size_t nr_expected,
|
|
struct callchain_result *expected_callchain, size_t nr_callchain)
|
|
{
|
|
char buf[32];
|
|
size_t i, c;
|
|
struct hist_entry *he;
|
|
struct rb_root *root;
|
|
struct rb_node *node;
|
|
struct callchain_node *cnode;
|
|
struct callchain_list *clist;
|
|
|
|
/*
|
|
* adding and deleting hist entries must be done outside of this
|
|
* function since TEST_ASSERT_VAL() returns in case of failure.
|
|
*/
|
|
hists__collapse_resort(hists, NULL);
|
|
perf_evsel__output_resort(hists_to_evsel(hists), NULL);
|
|
|
|
if (verbose > 2) {
|
|
pr_info("use callchain: %d, cumulate callchain: %d\n",
|
|
symbol_conf.use_callchain,
|
|
symbol_conf.cumulate_callchain);
|
|
print_hists_out(hists);
|
|
}
|
|
|
|
root = &hists->entries;
|
|
for (node = rb_first(root), i = 0;
|
|
node && (he = rb_entry(node, struct hist_entry, rb_node));
|
|
node = rb_next(node), i++) {
|
|
scnprintf(buf, sizeof(buf), "Invalid hist entry #%zd", i);
|
|
|
|
TEST_ASSERT_VAL("Incorrect number of hist entry",
|
|
i < nr_expected);
|
|
TEST_ASSERT_VAL(buf, he->stat.period == expected[i].self &&
|
|
!strcmp(COMM(he), expected[i].comm) &&
|
|
!strcmp(DSO(he), expected[i].dso) &&
|
|
!strcmp(SYM(he), expected[i].sym));
|
|
|
|
if (symbol_conf.cumulate_callchain)
|
|
TEST_ASSERT_VAL(buf, he->stat_acc->period == expected[i].children);
|
|
|
|
if (!symbol_conf.use_callchain)
|
|
continue;
|
|
|
|
/* check callchain entries */
|
|
root = &he->callchain->node.rb_root;
|
|
|
|
TEST_ASSERT_VAL("callchains expected", !RB_EMPTY_ROOT(root));
|
|
cnode = rb_entry(rb_first(root), struct callchain_node, rb_node);
|
|
|
|
c = 0;
|
|
list_for_each_entry(clist, &cnode->val, list) {
|
|
scnprintf(buf, sizeof(buf), "Invalid callchain entry #%zd/%zd", i, c);
|
|
|
|
TEST_ASSERT_VAL("Incorrect number of callchain entry",
|
|
c < expected_callchain[i].nr);
|
|
TEST_ASSERT_VAL(buf,
|
|
!strcmp(CDSO(clist), expected_callchain[i].node[c].dso) &&
|
|
!strcmp(CSYM(clist), expected_callchain[i].node[c].sym));
|
|
c++;
|
|
}
|
|
/* TODO: handle multiple child nodes properly */
|
|
TEST_ASSERT_VAL("Incorrect number of callchain entry",
|
|
c <= expected_callchain[i].nr);
|
|
}
|
|
TEST_ASSERT_VAL("Incorrect number of hist entry",
|
|
i == nr_expected);
|
|
TEST_ASSERT_VAL("Incorrect number of callchain entry",
|
|
!symbol_conf.use_callchain || nr_expected == nr_callchain);
|
|
return 0;
|
|
}
|
|
|
|
/* NO callchain + NO children */
|
|
static int test1(struct perf_evsel *evsel, struct machine *machine)
|
|
{
|
|
int err;
|
|
struct hists *hists = evsel__hists(evsel);
|
|
/*
|
|
* 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
|
|
*/
|
|
struct result expected[] = {
|
|
{ 0, 2000, "perf", "perf", "main" },
|
|
{ 0, 1000, "bash", "[kernel]", "page_fault" },
|
|
{ 0, 1000, "bash", "bash", "main" },
|
|
{ 0, 1000, "bash", "bash", "xmalloc" },
|
|
{ 0, 1000, "perf", "[kernel]", "page_fault" },
|
|
{ 0, 1000, "perf", "[kernel]", "schedule" },
|
|
{ 0, 1000, "perf", "libc", "free" },
|
|
{ 0, 1000, "perf", "libc", "malloc" },
|
|
{ 0, 1000, "perf", "perf", "cmd_record" },
|
|
};
|
|
|
|
symbol_conf.use_callchain = false;
|
|
symbol_conf.cumulate_callchain = false;
|
|
perf_evsel__reset_sample_bit(evsel, CALLCHAIN);
|
|
|
|
setup_sorting(NULL);
|
|
callchain_register_param(&callchain_param);
|
|
|
|
err = add_hist_entries(hists, machine);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0);
|
|
|
|
out:
|
|
del_hist_entries(hists);
|
|
reset_output_field();
|
|
return err;
|
|
}
|
|
|
|
/* callcain + NO children */
|
|
static int test2(struct perf_evsel *evsel, struct machine *machine)
|
|
{
|
|
int err;
|
|
struct hists *hists = evsel__hists(evsel);
|
|
/*
|
|
* expected output:
|
|
*
|
|
* Overhead Command Shared Object Symbol
|
|
* ======== ======= ============= ==============
|
|
* 20.00% perf perf [.] main
|
|
* |
|
|
* --- main
|
|
*
|
|
* 10.00% bash [kernel] [k] page_fault
|
|
* |
|
|
* --- page_fault
|
|
* malloc
|
|
* main
|
|
*
|
|
* 10.00% bash bash [.] main
|
|
* |
|
|
* --- main
|
|
*
|
|
* 10.00% bash bash [.] xmalloc
|
|
* |
|
|
* --- xmalloc
|
|
* malloc
|
|
* xmalloc <--- NOTE: there's a cycle
|
|
* malloc
|
|
* xmalloc
|
|
* main
|
|
*
|
|
* 10.00% perf [kernel] [k] page_fault
|
|
* |
|
|
* --- page_fault
|
|
* sys_perf_event_open
|
|
* run_command
|
|
* main
|
|
*
|
|
* 10.00% perf [kernel] [k] schedule
|
|
* |
|
|
* --- schedule
|
|
* run_command
|
|
* main
|
|
*
|
|
* 10.00% perf libc [.] free
|
|
* |
|
|
* --- free
|
|
* cmd_record
|
|
* run_command
|
|
* main
|
|
*
|
|
* 10.00% perf libc [.] malloc
|
|
* |
|
|
* --- malloc
|
|
* cmd_record
|
|
* run_command
|
|
* main
|
|
*
|
|
* 10.00% perf perf [.] cmd_record
|
|
* |
|
|
* --- cmd_record
|
|
* run_command
|
|
* main
|
|
*
|
|
*/
|
|
struct result expected[] = {
|
|
{ 0, 2000, "perf", "perf", "main" },
|
|
{ 0, 1000, "bash", "[kernel]", "page_fault" },
|
|
{ 0, 1000, "bash", "bash", "main" },
|
|
{ 0, 1000, "bash", "bash", "xmalloc" },
|
|
{ 0, 1000, "perf", "[kernel]", "page_fault" },
|
|
{ 0, 1000, "perf", "[kernel]", "schedule" },
|
|
{ 0, 1000, "perf", "libc", "free" },
|
|
{ 0, 1000, "perf", "libc", "malloc" },
|
|
{ 0, 1000, "perf", "perf", "cmd_record" },
|
|
};
|
|
struct callchain_result expected_callchain[] = {
|
|
{
|
|
1, { { "perf", "main" }, },
|
|
},
|
|
{
|
|
3, { { "[kernel]", "page_fault" },
|
|
{ "libc", "malloc" },
|
|
{ "bash", "main" }, },
|
|
},
|
|
{
|
|
1, { { "bash", "main" }, },
|
|
},
|
|
{
|
|
6, { { "bash", "xmalloc" },
|
|
{ "libc", "malloc" },
|
|
{ "bash", "xmalloc" },
|
|
{ "libc", "malloc" },
|
|
{ "bash", "xmalloc" },
|
|
{ "bash", "main" }, },
|
|
},
|
|
{
|
|
4, { { "[kernel]", "page_fault" },
|
|
{ "[kernel]", "sys_perf_event_open" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
{
|
|
3, { { "[kernel]", "schedule" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
{
|
|
4, { { "libc", "free" },
|
|
{ "perf", "cmd_record" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
{
|
|
4, { { "libc", "malloc" },
|
|
{ "perf", "cmd_record" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
{
|
|
3, { { "perf", "cmd_record" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
};
|
|
|
|
symbol_conf.use_callchain = true;
|
|
symbol_conf.cumulate_callchain = false;
|
|
perf_evsel__set_sample_bit(evsel, CALLCHAIN);
|
|
|
|
setup_sorting(NULL);
|
|
callchain_register_param(&callchain_param);
|
|
|
|
err = add_hist_entries(hists, machine);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
err = do_test(hists, expected, ARRAY_SIZE(expected),
|
|
expected_callchain, ARRAY_SIZE(expected_callchain));
|
|
|
|
out:
|
|
del_hist_entries(hists);
|
|
reset_output_field();
|
|
return err;
|
|
}
|
|
|
|
/* NO callchain + children */
|
|
static int test3(struct perf_evsel *evsel, struct machine *machine)
|
|
{
|
|
int err;
|
|
struct hists *hists = evsel__hists(evsel);
|
|
/*
|
|
* expected output:
|
|
*
|
|
* Children Self Command Shared Object Symbol
|
|
* ======== ======== ======= ============= =======================
|
|
* 70.00% 20.00% perf perf [.] main
|
|
* 50.00% 0.00% perf perf [.] run_command
|
|
* 30.00% 10.00% bash bash [.] main
|
|
* 30.00% 10.00% perf perf [.] cmd_record
|
|
* 20.00% 0.00% bash libc [.] malloc
|
|
* 10.00% 10.00% bash [kernel] [k] page_fault
|
|
* 10.00% 10.00% bash bash [.] xmalloc
|
|
* 10.00% 10.00% perf [kernel] [k] page_fault
|
|
* 10.00% 10.00% perf libc [.] malloc
|
|
* 10.00% 10.00% perf [kernel] [k] schedule
|
|
* 10.00% 10.00% perf libc [.] free
|
|
* 10.00% 0.00% perf [kernel] [k] sys_perf_event_open
|
|
*/
|
|
struct result expected[] = {
|
|
{ 7000, 2000, "perf", "perf", "main" },
|
|
{ 5000, 0, "perf", "perf", "run_command" },
|
|
{ 3000, 1000, "bash", "bash", "main" },
|
|
{ 3000, 1000, "perf", "perf", "cmd_record" },
|
|
{ 2000, 0, "bash", "libc", "malloc" },
|
|
{ 1000, 1000, "bash", "[kernel]", "page_fault" },
|
|
{ 1000, 1000, "bash", "bash", "xmalloc" },
|
|
{ 1000, 1000, "perf", "[kernel]", "page_fault" },
|
|
{ 1000, 1000, "perf", "[kernel]", "schedule" },
|
|
{ 1000, 1000, "perf", "libc", "free" },
|
|
{ 1000, 1000, "perf", "libc", "malloc" },
|
|
{ 1000, 0, "perf", "[kernel]", "sys_perf_event_open" },
|
|
};
|
|
|
|
symbol_conf.use_callchain = false;
|
|
symbol_conf.cumulate_callchain = true;
|
|
perf_evsel__reset_sample_bit(evsel, CALLCHAIN);
|
|
|
|
setup_sorting(NULL);
|
|
callchain_register_param(&callchain_param);
|
|
|
|
err = add_hist_entries(hists, machine);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0);
|
|
|
|
out:
|
|
del_hist_entries(hists);
|
|
reset_output_field();
|
|
return err;
|
|
}
|
|
|
|
/* callchain + children */
|
|
static int test4(struct perf_evsel *evsel, struct machine *machine)
|
|
{
|
|
int err;
|
|
struct hists *hists = evsel__hists(evsel);
|
|
/*
|
|
* expected output:
|
|
*
|
|
* Children Self Command Shared Object Symbol
|
|
* ======== ======== ======= ============= =======================
|
|
* 70.00% 20.00% perf perf [.] main
|
|
* |
|
|
* --- main
|
|
*
|
|
* 50.00% 0.00% perf perf [.] run_command
|
|
* |
|
|
* --- run_command
|
|
* main
|
|
*
|
|
* 30.00% 10.00% bash bash [.] main
|
|
* |
|
|
* --- main
|
|
*
|
|
* 30.00% 10.00% perf perf [.] cmd_record
|
|
* |
|
|
* --- cmd_record
|
|
* run_command
|
|
* main
|
|
*
|
|
* 20.00% 0.00% bash libc [.] malloc
|
|
* |
|
|
* --- malloc
|
|
* |
|
|
* |--50.00%-- xmalloc
|
|
* | main
|
|
* --50.00%-- main
|
|
*
|
|
* 10.00% 10.00% bash [kernel] [k] page_fault
|
|
* |
|
|
* --- page_fault
|
|
* malloc
|
|
* main
|
|
*
|
|
* 10.00% 10.00% bash bash [.] xmalloc
|
|
* |
|
|
* --- xmalloc
|
|
* malloc
|
|
* xmalloc <--- NOTE: there's a cycle
|
|
* malloc
|
|
* xmalloc
|
|
* main
|
|
*
|
|
* 10.00% 0.00% perf [kernel] [k] sys_perf_event_open
|
|
* |
|
|
* --- sys_perf_event_open
|
|
* run_command
|
|
* main
|
|
*
|
|
* 10.00% 10.00% perf [kernel] [k] page_fault
|
|
* |
|
|
* --- page_fault
|
|
* sys_perf_event_open
|
|
* run_command
|
|
* main
|
|
*
|
|
* 10.00% 10.00% perf [kernel] [k] schedule
|
|
* |
|
|
* --- schedule
|
|
* run_command
|
|
* main
|
|
*
|
|
* 10.00% 10.00% perf libc [.] free
|
|
* |
|
|
* --- free
|
|
* cmd_record
|
|
* run_command
|
|
* main
|
|
*
|
|
* 10.00% 10.00% perf libc [.] malloc
|
|
* |
|
|
* --- malloc
|
|
* cmd_record
|
|
* run_command
|
|
* main
|
|
*
|
|
*/
|
|
struct result expected[] = {
|
|
{ 7000, 2000, "perf", "perf", "main" },
|
|
{ 5000, 0, "perf", "perf", "run_command" },
|
|
{ 3000, 1000, "bash", "bash", "main" },
|
|
{ 3000, 1000, "perf", "perf", "cmd_record" },
|
|
{ 2000, 0, "bash", "libc", "malloc" },
|
|
{ 1000, 1000, "bash", "[kernel]", "page_fault" },
|
|
{ 1000, 1000, "bash", "bash", "xmalloc" },
|
|
{ 1000, 0, "perf", "[kernel]", "sys_perf_event_open" },
|
|
{ 1000, 1000, "perf", "[kernel]", "page_fault" },
|
|
{ 1000, 1000, "perf", "[kernel]", "schedule" },
|
|
{ 1000, 1000, "perf", "libc", "free" },
|
|
{ 1000, 1000, "perf", "libc", "malloc" },
|
|
};
|
|
struct callchain_result expected_callchain[] = {
|
|
{
|
|
1, { { "perf", "main" }, },
|
|
},
|
|
{
|
|
2, { { "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
{
|
|
1, { { "bash", "main" }, },
|
|
},
|
|
{
|
|
3, { { "perf", "cmd_record" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
{
|
|
4, { { "libc", "malloc" },
|
|
{ "bash", "xmalloc" },
|
|
{ "bash", "main" },
|
|
{ "bash", "main" }, },
|
|
},
|
|
{
|
|
3, { { "[kernel]", "page_fault" },
|
|
{ "libc", "malloc" },
|
|
{ "bash", "main" }, },
|
|
},
|
|
{
|
|
6, { { "bash", "xmalloc" },
|
|
{ "libc", "malloc" },
|
|
{ "bash", "xmalloc" },
|
|
{ "libc", "malloc" },
|
|
{ "bash", "xmalloc" },
|
|
{ "bash", "main" }, },
|
|
},
|
|
{
|
|
3, { { "[kernel]", "sys_perf_event_open" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
{
|
|
4, { { "[kernel]", "page_fault" },
|
|
{ "[kernel]", "sys_perf_event_open" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
{
|
|
3, { { "[kernel]", "schedule" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
{
|
|
4, { { "libc", "free" },
|
|
{ "perf", "cmd_record" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
{
|
|
4, { { "libc", "malloc" },
|
|
{ "perf", "cmd_record" },
|
|
{ "perf", "run_command" },
|
|
{ "perf", "main" }, },
|
|
},
|
|
};
|
|
|
|
symbol_conf.use_callchain = true;
|
|
symbol_conf.cumulate_callchain = true;
|
|
perf_evsel__set_sample_bit(evsel, CALLCHAIN);
|
|
|
|
setup_sorting(NULL);
|
|
|
|
callchain_param = callchain_param_default;
|
|
callchain_register_param(&callchain_param);
|
|
|
|
err = add_hist_entries(hists, machine);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
err = do_test(hists, expected, ARRAY_SIZE(expected),
|
|
expected_callchain, ARRAY_SIZE(expected_callchain));
|
|
|
|
out:
|
|
del_hist_entries(hists);
|
|
reset_output_field();
|
|
return err;
|
|
}
|
|
|
|
int test__hists_cumulate(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,
|
|
};
|
|
|
|
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;
|
|
}
|