// SPDX-License-Identifier: GPL-2.0#include <stdlib.h>#include <string.h>#include <sys/types.h>#include <unistd.h>#include <sys/prctl.h>#include "tests.h"#include "thread_map.h"#include "debug.h"#include "event.h"#include "util/synthetic-events.h"#include <linux/zalloc.h>#include <perf/event.h> struct perf_sample;struct perf_tool;struct machine; #define NAME	(const char *) "perf"#define NAMEUL	(unsigned long) NAME int test__thread_map(struct test *test __maybe_unused, int subtest __maybe_unused){	struct perf_thread_map *map; 	TEST_ASSERT_VAL("failed to set process name",			!prctl(PR_SET_NAME, NAMEUL, 0, 0, 0)); 	/* test map on current pid */	map = thread_map__new_by_pid(getpid());	TEST_ASSERT_VAL("failed to alloc map", map); 	thread_map__read_comms(map); 	TEST_ASSERT_VAL("wrong nr", map->nr == 1);	TEST_ASSERT_VAL("wrong pid",			perf_thread_map__pid(map, 0) == getpid());	TEST_ASSERT_VAL("wrong comm",			perf_thread_map__comm(map, 0) &&			!strcmp(perf_thread_map__comm(map, 0), NAME));	TEST_ASSERT_VAL("wrong refcnt",			refcount_read(&map->refcnt) == 1);	perf_thread_map__put(map); 	/* test dummy pid */	map = perf_thread_map__new_dummy();	TEST_ASSERT_VAL("failed to alloc map", map); 	thread_map__read_comms(map); 	TEST_ASSERT_VAL("wrong nr", map->nr == 1);	TEST_ASSERT_VAL("wrong pid", perf_thread_map__pid(map, 0) == -1);	TEST_ASSERT_VAL("wrong comm",			perf_thread_map__comm(map, 0) &&			!strcmp(perf_thread_map__comm(map, 0), "dummy"));	TEST_ASSERT_VAL("wrong refcnt",			refcount_read(&map->refcnt) == 1);	perf_thread_map__put(map);	return 0;} 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 perf_record_thread_map *map = &event->thread_map;	struct perf_thread_map *threads; 	TEST_ASSERT_VAL("wrong nr",   map->nr == 1);	TEST_ASSERT_VAL("wrong pid",  map->entries[0].pid == (u64) getpid());	TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME)); 	threads = thread_map__new_event(&event->thread_map);	TEST_ASSERT_VAL("failed to alloc map", threads); 	TEST_ASSERT_VAL("wrong nr", threads->nr == 1);	TEST_ASSERT_VAL("wrong pid",			perf_thread_map__pid(threads, 0) == getpid());	TEST_ASSERT_VAL("wrong comm",			perf_thread_map__comm(threads, 0) &&			!strcmp(perf_thread_map__comm(threads, 0), NAME));	TEST_ASSERT_VAL("wrong refcnt",			refcount_read(&threads->refcnt) == 1);	perf_thread_map__put(threads);	return 0;} int test__thread_map_synthesize(struct test *test __maybe_unused, int subtest __maybe_unused){	struct perf_thread_map *threads; 	TEST_ASSERT_VAL("failed to set process name",			!prctl(PR_SET_NAME, NAMEUL, 0, 0, 0)); 	/* test map on current pid */	threads = thread_map__new_by_pid(getpid());	TEST_ASSERT_VAL("failed to alloc map", threads); 	thread_map__read_comms(threads); 	TEST_ASSERT_VAL("failed to synthesize map",		!perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL)); 	return 0;} int test__thread_map_remove(struct test *test __maybe_unused, int subtest __maybe_unused){	struct perf_thread_map *threads;	char *str;	int i; 	TEST_ASSERT_VAL("failed to allocate map string",			asprintf(&str, "%d,%d", getpid(), getppid()) >= 0); 	threads = thread_map__new_str(str, NULL, 0, false); 	TEST_ASSERT_VAL("failed to allocate thread_map",			threads); 	if (verbose > 0)		thread_map__fprintf(threads, stderr); 	TEST_ASSERT_VAL("failed to remove thread",			!thread_map__remove(threads, 0)); 	TEST_ASSERT_VAL("thread_map count != 1", threads->nr == 1); 	if (verbose > 0)		thread_map__fprintf(threads, stderr); 	TEST_ASSERT_VAL("failed to remove thread",			!thread_map__remove(threads, 0)); 	TEST_ASSERT_VAL("thread_map count != 0", threads->nr == 0); 	if (verbose > 0)		thread_map__fprintf(threads, stderr); 	TEST_ASSERT_VAL("failed to not remove thread",			thread_map__remove(threads, 0)); 	for (i = 0; i < threads->nr; i++)		zfree(&threads->map[i].comm); 	free(threads);	return 0;}