Contributors: 12
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Stéphane Eranian |
561 |
79.46% |
1 |
3.70% |
| Ian Rogers |
86 |
12.18% |
8 |
29.63% |
| Andi Kleen |
14 |
1.98% |
1 |
3.70% |
| Arnaldo Carvalho de Melo |
11 |
1.56% |
4 |
14.81% |
| Peter Zijlstra |
9 |
1.27% |
2 |
7.41% |
| Ingo Molnar |
7 |
0.99% |
1 |
3.70% |
| Jiri Olsa |
5 |
0.71% |
4 |
14.81% |
| Namhyung Kim |
4 |
0.57% |
2 |
7.41% |
| Kan Liang |
4 |
0.57% |
1 |
3.70% |
| Frédéric Weisbecker |
3 |
0.42% |
1 |
3.70% |
| Greg Kroah-Hartman |
1 |
0.14% |
1 |
3.70% |
| Thomas Richter |
1 |
0.14% |
1 |
3.70% |
| Total |
706 |
|
27 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* Test support for libpfm4 event encodings.
*
* Copyright 2020 Google LLC.
*/
#include "tests.h"
#include "util/debug.h"
#include "util/evlist.h"
#include "util/pfm.h"
#include <linux/kernel.h>
#ifdef HAVE_LIBPFM
static int count_pfm_events(struct perf_evlist *evlist)
{
struct perf_evsel *evsel;
int count = 0;
perf_evlist__for_each_entry(evlist, evsel) {
count++;
}
return count;
}
static int test__pfm_events(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
struct evlist *evlist;
struct option opt;
size_t i;
const struct {
const char *events;
int nr_events;
} table[] = {
{
.events = "",
.nr_events = 0,
},
{
.events = "instructions",
.nr_events = 1,
},
{
.events = "instructions,cycles",
.nr_events = 2,
},
{
.events = "stereolab",
.nr_events = 0,
},
{
.events = "instructions,instructions",
.nr_events = 2,
},
{
.events = "stereolab,instructions",
.nr_events = 0,
},
{
.events = "instructions,stereolab",
.nr_events = 1,
},
};
for (i = 0; i < ARRAY_SIZE(table); i++) {
evlist = evlist__new();
if (evlist == NULL)
return -ENOMEM;
opt.value = evlist;
parse_libpfm_events_option(&opt,
table[i].events,
0);
TEST_ASSERT_EQUAL(table[i].events,
count_pfm_events(&evlist->core),
table[i].nr_events);
TEST_ASSERT_EQUAL(table[i].events,
evlist__nr_groups(evlist),
0);
evlist__delete(evlist);
}
return 0;
}
static int test__pfm_group(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
struct evlist *evlist;
struct option opt;
size_t i;
const struct {
const char *events;
int nr_events;
int nr_groups;
} table[] = {
{
.events = "{},",
.nr_events = 0,
.nr_groups = 0,
},
{
.events = "{instructions}",
.nr_events = 1,
.nr_groups = 0,
},
{
.events = "{instructions},{}",
.nr_events = 1,
.nr_groups = 0,
},
{
.events = "{},{instructions}",
.nr_events = 1,
.nr_groups = 0,
},
{
.events = "{instructions},{instructions}",
.nr_events = 2,
.nr_groups = 0,
},
{
.events = "{instructions,cycles},{instructions,cycles}",
.nr_events = 4,
.nr_groups = 2,
},
{
.events = "{stereolab}",
.nr_events = 0,
.nr_groups = 0,
},
{
.events =
"{instructions,cycles},{instructions,stereolab}",
.nr_events = 3,
.nr_groups = 1,
},
{
.events = "instructions}",
.nr_events = 1,
.nr_groups = 0,
},
{
.events = "{{instructions}}",
.nr_events = 0,
.nr_groups = 0,
},
};
for (i = 0; i < ARRAY_SIZE(table); i++) {
evlist = evlist__new();
if (evlist == NULL)
return -ENOMEM;
opt.value = evlist;
parse_libpfm_events_option(&opt,
table[i].events,
0);
TEST_ASSERT_EQUAL(table[i].events,
count_pfm_events(&evlist->core),
table[i].nr_events);
TEST_ASSERT_EQUAL(table[i].events,
evlist__nr_groups(evlist),
table[i].nr_groups);
evlist__delete(evlist);
}
return 0;
}
#else
static int test__pfm_events(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
return TEST_SKIP;
}
static int test__pfm_group(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
return TEST_SKIP;
}
#endif
static struct test_case pfm_tests[] = {
TEST_CASE_REASON("test of individual --pfm-events", pfm_events, "not compiled in"),
TEST_CASE_REASON("test groups of --pfm-events", pfm_group, "not compiled in"),
{ .name = NULL, }
};
struct test_suite suite__pfm = {
.desc = "Test libpfm4 support",
.test_cases = pfm_tests,
};