linux/tools/perf/tests/pfm.c
Ian Rogers b47d2fb40f perf test: Remove skip_if_fail
Remove optionality, always run tests in a suite even if one fails. This
brings perf's test more inline with kunit that lacks this notion.

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Sohaib Mohamed <sohaib.amhmd@gmail.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: Daniel Latypov <dlatypov@google.com>
Cc: David Gow <davidgow@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20211104064208.3156807-23-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-11-13 18:11:50 -03:00

195 lines
3.5 KiB
C

// 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->core.nr_groups,
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 = 1,
},
{
.events = "{instructions},{}",
.nr_events = 1,
.nr_groups = 1,
},
{
.events = "{},{instructions}",
.nr_events = 1,
.nr_groups = 1,
},
{
.events = "{instructions},{instructions}",
.nr_events = 2,
.nr_groups = 2,
},
{
.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->core.nr_groups,
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,
};