swh:1:snp:49cd9498d6cccc5e78252c27dcb645bcf7bf0c91
Tip revision: 4b972a01a7da614b4796475f933094751a295a2f authored by Linus Torvalds on 22 June 2019, 23:01:36 UTC
Linux 5.2-rc6
Linux 5.2-rc6
Tip revision: 4b972a0
cpumap.c
// SPDX-License-Identifier: GPL-2.0
#include "tests.h"
#include <stdio.h>
#include "cpumap.h"
#include "event.h"
#include <string.h>
#include <linux/bitops.h>
#include "debug.h"
struct machine;
static int process_event_mask(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct cpu_map_event *map_event = &event->cpu_map;
struct cpu_map_mask *mask;
struct cpu_map_data *data;
struct cpu_map *map;
int i;
data = &map_event->data;
TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__MASK);
mask = (struct cpu_map_mask *)data->data;
TEST_ASSERT_VAL("wrong nr", mask->nr == 1);
for (i = 0; i < 20; i++) {
TEST_ASSERT_VAL("wrong cpu", test_bit(i, mask->mask));
}
map = cpu_map__new_data(data);
TEST_ASSERT_VAL("wrong nr", map->nr == 20);
for (i = 0; i < 20; i++) {
TEST_ASSERT_VAL("wrong cpu", map->map[i] == i);
}
cpu_map__put(map);
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 cpu_map_event *map_event = &event->cpu_map;
struct cpu_map_entries *cpus;
struct cpu_map_data *data;
struct cpu_map *map;
data = &map_event->data;
TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__CPUS);
cpus = (struct cpu_map_entries *)data->data;
TEST_ASSERT_VAL("wrong nr", cpus->nr == 2);
TEST_ASSERT_VAL("wrong cpu", cpus->cpu[0] == 1);
TEST_ASSERT_VAL("wrong cpu", cpus->cpu[1] == 256);
map = cpu_map__new_data(data);
TEST_ASSERT_VAL("wrong nr", map->nr == 2);
TEST_ASSERT_VAL("wrong cpu", map->map[0] == 1);
TEST_ASSERT_VAL("wrong cpu", map->map[1] == 256);
TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1);
cpu_map__put(map);
return 0;
}
int test__cpu_map_synthesize(struct test *test __maybe_unused, int subtest __maybe_unused)
{
struct cpu_map *cpus;
/* This one is better stores in mask. */
cpus = cpu_map__new("0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19");
TEST_ASSERT_VAL("failed to synthesize map",
!perf_event__synthesize_cpu_map(NULL, cpus, process_event_mask, NULL));
cpu_map__put(cpus);
/* This one is better stores in cpu values. */
cpus = cpu_map__new("1,256");
TEST_ASSERT_VAL("failed to synthesize map",
!perf_event__synthesize_cpu_map(NULL, cpus, process_event_cpus, NULL));
cpu_map__put(cpus);
return 0;
}
static int cpu_map_print(const char *str)
{
struct cpu_map *map = cpu_map__new(str);
char buf[100];
if (!map)
return -1;
cpu_map__snprint(map, buf, sizeof(buf));
return !strcmp(buf, str);
}
int test__cpu_map_print(struct test *test __maybe_unused, int subtest __maybe_unused)
{
TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1"));
TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,5"));
TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3,5,7,9,11,13,15,17,19,21-40"));
TEST_ASSERT_VAL("failed to convert map", cpu_map_print("2-5"));
TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37"));
TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37"));
TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1-10,12-20,22-30,32-40"));
return 0;
}