https://github.com/torvalds/linux
Tip revision: 8f3d9f354286745c751374f5f1fcafee6b3f3136 authored by Linus Torvalds on 12 April 2020, 19:35:55 UTC
Linux 5.7-rc1
Linux 5.7-rc1
Tip revision: 8f3d9f3
event_update.c
// SPDX-License-Identifier: GPL-2.0
#include <linux/compiler.h>
#include <perf/cpumap.h>
#include <string.h>
#include "cpumap.h"
#include "evlist.h"
#include "evsel.h"
#include "header.h"
#include "machine.h"
#include "util/synthetic-events.h"
#include "tool.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 perf_record_event_update *ev = (struct perf_record_event_update *)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;
}
static int process_event_scale(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
struct perf_record_event_update_scale *ev_data;
ev_data = (struct perf_record_event_update_scale *)ev->data;
TEST_ASSERT_VAL("wrong id", ev->id == 123);
TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__SCALE);
TEST_ASSERT_VAL("wrong scale", ev_data->scale == 0.123);
return 0;
}
struct event_name {
struct perf_tool tool;
const char *name;
};
static int process_event_name(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct event_name *tmp = container_of(tool, struct event_name, tool);
struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
TEST_ASSERT_VAL("wrong id", ev->id == 123);
TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__NAME);
TEST_ASSERT_VAL("wrong name", !strcmp(ev->data, tmp->name));
return 0;
}
static int process_event_cpus(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
struct perf_record_event_update_cpus *ev_data;
struct perf_cpu_map *map;
ev_data = (struct perf_record_event_update_cpus *) ev->data;
map = cpu_map__new_data(&ev_data->cpus);
TEST_ASSERT_VAL("wrong id", ev->id == 123);
TEST_ASSERT_VAL("wrong type", ev->type == PERF_EVENT_UPDATE__CPUS);
TEST_ASSERT_VAL("wrong cpus", map->nr == 3);
TEST_ASSERT_VAL("wrong cpus", map->map[0] == 1);
TEST_ASSERT_VAL("wrong cpus", map->map[1] == 2);
TEST_ASSERT_VAL("wrong cpus", map->map[2] == 3);
perf_cpu_map__put(map);
return 0;
}
int test__event_update(struct test *test __maybe_unused, int subtest __maybe_unused)
{
struct evlist *evlist;
struct evsel *evsel;
struct event_name tmp;
evlist = perf_evlist__new_default();
TEST_ASSERT_VAL("failed to get evlist", evlist);
evsel = evlist__first(evlist);
TEST_ASSERT_VAL("failed to allocate ids",
!perf_evsel__alloc_id(&evsel->core, 1, 1));
perf_evlist__id_add(&evlist->core, &evsel->core, 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));
evsel->scale = 0.123;
TEST_ASSERT_VAL("failed to synthesize attr update scale",
!perf_event__synthesize_event_update_scale(NULL, evsel, process_event_scale));
tmp.name = perf_evsel__name(evsel);
TEST_ASSERT_VAL("failed to synthesize attr update name",
!perf_event__synthesize_event_update_name(&tmp.tool, evsel, process_event_name));
evsel->core.own_cpus = perf_cpu_map__new("1,2,3");
TEST_ASSERT_VAL("failed to synthesize attr update cpus",
!perf_event__synthesize_event_update_cpus(&tmp.tool, evsel, process_event_cpus));
perf_cpu_map__put(evsel->core.own_cpus);
return 0;
}