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linux-IllusionX/tools/perf/tests/hists_output.c
Ian Rogers ee756ef749 perf dso: Add reference count checking and accessor functions 
Add reference count checking to struct dso, this can help with
implementing correct reference counting discipline. To avoid
RC_CHK_ACCESS everywhere, add accessor functions for the variables in
struct dso.

The majority of the change is mechanical in nature and not easy to
split up.

Committer testing:

'perf test' up to this patch shows no regressions.

But:

  util/symbol.c: In function ‘dso__load_bfd_symbols’:
  util/symbol.c:1683:9: error: too few arguments to function ‘dso__set_adjust_symbols’
   1683 |         dso__set_adjust_symbols(dso);
        |         ^~~~~~~~~~~~~~~~~~~~~~~
  In file included from util/symbol.c:21:
  util/dso.h:268:20: note: declared here
    268 | static inline void dso__set_adjust_symbols(struct dso *dso, bool val)
        |                    ^~~~~~~~~~~~~~~~~~~~~~~
  make[6]: *** [/home/acme/git/perf-tools-next/tools/build/Makefile.build:106: /tmp/tmp.ZWHbQftdN6/util/symbol.o] Error 1
    MKDIR   /tmp/tmp.ZWHbQftdN6/tests/workloads/
  make[6]: *** Waiting for unfinished jobs....

This was updated:

  -       symbols__fixup_end(&dso->symbols, false);
  -       symbols__fixup_duplicate(&dso->symbols);
  -       dso->adjust_symbols = 1;
  +       symbols__fixup_end(dso__symbols(dso), false);
  +       symbols__fixup_duplicate(dso__symbols(dso));
  +       dso__set_adjust_symbols(dso);

But not build tested with BUILD_NONDISTRO and libbfd devel files installed
(binutils-devel on fedora).

Add the missing argument:

   	symbols__fixup_end(dso__symbols(dso), false);
   	symbols__fixup_duplicate(dso__symbols(dso));
  -	dso__set_adjust_symbols(dso);
  +	dso__set_adjust_symbols(dso, true);

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ben Gainey <ben.gainey@arm.com>
Cc: Changbin Du <changbin.du@huawei.com>
Cc: Chengen Du <chengen.du@canonical.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Dima Kogan <dima@secretsauce.net>
Cc: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Li Dong <lidong@vivo.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paran Lee <p4ranlee@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Cc: Sun Haiyong <sunhaiyong@loongson.cn>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Yanteng Si <siyanteng@loongson.cn>
Cc: zhaimingbing <zhaimingbing@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20240504213803.218974-6-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2024-05-06 15:28:49 -03:00

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// SPDX-License-Identifier: GPL-2.0
#include "util/debug.h"
#include "util/dso.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 evsel *evsel = hists_to_evsel(hists);
struct perf_sample sample = { .period = 100, };
size_t i;
addr_location__init(&al);
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) {
goto out;
}
fake_samples[i].thread = al.thread;
map__put(fake_samples[i].map);
fake_samples[i].map = map__get(al.map);
fake_samples[i].sym = al.sym;
}
addr_location__exit(&al);
return TEST_OK;
out:
pr_debug("Not enough memory for adding a hist entry\n");
addr_location__exit(&al);
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);
}
}
static void put_fake_samples(void)
{
size_t i;
for (i = 0; i < ARRAY_SIZE(fake_samples); i++) {
map__put(fake_samples[i].map);
fake_samples[i].map = NULL;
}
}
typedef int (*test_fn_t)(struct evsel *, struct machine *);
#define COMM(he) (thread__comm_str(he->thread))
#define DSO(he) (dso__short_name(map__dso(he->ms.map)))
#define SYM(he) (he->ms.sym->name)
#define CPU(he) (he->cpu)
#define PID(he) (thread__tid(he->thread))
/* default sort keys (no field) */
static int test1(struct 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);
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 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);
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 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);
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 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);
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 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);
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;
}
static int test__hists_output(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
{
int err = TEST_FAIL;
struct machines machines;
struct machine *machine;
struct evsel *evsel;
struct evlist *evlist = evlist__new();
size_t i;
test_fn_t testcases[] = {
test1,
test2,
test3,
test4,
test5,
};
TEST_ASSERT_VAL("No memory", evlist);
err = parse_event(evlist, "cpu-clock");
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 = evlist__first(evlist);
for (i = 0; i < ARRAY_SIZE(testcases); i++) {
err = testcases[i](evsel, machine);
if (err < 0)
break;
}
out:
/* tear down everything */
evlist__delete(evlist);
machines__exit(&machines);
put_fake_samples();
return err;
}
DEFINE_SUITE("Sort output of hist entries", hists_output);
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