linux/tools/perf/tests/stat.c
Jiri Olsa 6742434261 perf tools: Add stat config event synthesize function
Introduce the perf_event__synthesize_stat_config to synthesize a 'struct
perf_stat_config'.

Storing the stat config in the form of tag-value pairs will, I believe,
sort out future version extensibility issues.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-13-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-12-17 14:38:19 -03:00

54 lines
1.2 KiB
C

#include <linux/compiler.h>
#include "event.h"
#include "tests.h"
#include "stat.h"
#include "debug.h"
static bool has_term(struct stat_config_event *config,
u64 tag, u64 val)
{
unsigned i;
for (i = 0; i < config->nr; i++) {
if ((config->data[i].tag == tag) &&
(config->data[i].val == val))
return true;
}
return false;
}
static int process_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct stat_config_event *config = &event->stat_config;
#define HAS(term, val) \
has_term(config, PERF_STAT_CONFIG_TERM__##term, val)
TEST_ASSERT_VAL("wrong nr", config->nr == PERF_STAT_CONFIG_TERM__MAX);
TEST_ASSERT_VAL("wrong aggr_mode", HAS(AGGR_MODE, AGGR_CORE));
TEST_ASSERT_VAL("wrong scale", HAS(SCALE, 1));
TEST_ASSERT_VAL("wrong interval", HAS(INTERVAL, 1));
#undef HAS
return 0;
}
int test__synthesize_stat_config(int subtest __maybe_unused)
{
struct perf_stat_config stat_config = {
.aggr_mode = AGGR_CORE,
.scale = 1,
.interval = 1,
};
TEST_ASSERT_VAL("failed to synthesize stat_config",
!perf_event__synthesize_stat_config(NULL, &stat_config, process_event, NULL));
return 0;
}