xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf tools: Add event_update event unit type

Browse Source 
Adding unit type 'event update' event, that stores/transfer events unit
name. The unit name is part of the perf stat output data.

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/1445784728-21732-22-git-send-email-jolsa@kernel.org
[ Rename __alloc() to __new() for consistency ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2015-10-25 15:51:37 +01:00
committed by Arnaldo Carvalho de Melo
parent ffe777254c
commit a6e5281780
7 changed files with 99 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
tools/perf/tests/Build
View File

@@ -36,6 +36,7 @@ perf-y += bpf.o
perf-y += topology.o
perf-y += cpumap.o
perf-y += stat.o
perf-y += event_update.o
$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build
$(call rule_mkdir)

4
tools/perf/tests/builtin-test.c
View File

@@ -199,6 +199,10 @@ static struct test generic_tests[] = {
.desc = "Test stat round synthesize",
.func = test__synthesize_stat_round,
},
{
.desc = "Test attr update synthesize",
.func = test__event_update,
},
{
.func = NULL,
},

42
tools/perf/tests/event_update.c Normal file
View File

@@ -0,0 +1,42 @@
#include <linux/compiler.h>
#include "evlist.h"
#include "evsel.h"
#include "machine.h"
#include "tests.h"
#include "debug.h"
static int process_event_unit(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct event_update_event *ev = (struct event_update_event *) event;
TEST_ASSERT_VAL("wrong id", ev->id == 123);
TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__UNIT);
TEST_ASSERT_VAL("wrong unit", !strcmp(ev->data, "KRAVA"));
return 0;
}
int test__event_update(int subtest __maybe_unused)
{
struct perf_evlist *evlist;
struct perf_evsel *evsel;
evlist = perf_evlist__new_default();
TEST_ASSERT_VAL("failed to get evlist", evlist);
evsel = perf_evlist__first(evlist);
TEST_ASSERT_VAL("failed to allos ids",
!perf_evsel__alloc_id(evsel, 1, 1));
perf_evlist__id_add(evlist, evsel, 0, 0, 123);
evsel->unit = strdup("KRAVA");
TEST_ASSERT_VAL("failed to synthesize attr update unit",
!perf_event__synthesize_event_update_unit(NULL, evsel, process_event_unit));
return 0;
}

1
tools/perf/tests/tests.h
View File

@@ -84,6 +84,7 @@ int test__cpu_map_synthesize(int subtest);
int test__synthesize_stat_config(int subtest);
int test__synthesize_stat(int subtest);
int test__synthesize_stat_round(int subtest);
int test__event_update(int subtest);
#if defined(__arm__) || defined(__aarch64__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT