1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 238af91f0SJiri Olsa #include <stdlib.h> 3134aa44fSJiri Olsa #include <sys/types.h> 4134aa44fSJiri Olsa #include <unistd.h> 58fbc38aaSJiri Olsa #include <sys/prctl.h> 6134aa44fSJiri Olsa #include "tests.h" 7134aa44fSJiri Olsa #include "thread_map.h" 8134aa44fSJiri Olsa #include "debug.h" 9134aa44fSJiri Olsa 108fbc38aaSJiri Olsa #define NAME (const char *) "perf" 118fbc38aaSJiri Olsa #define NAMEUL (unsigned long) NAME 128fbc38aaSJiri Olsa 1381f17c90SArnaldo Carvalho de Melo int test__thread_map(struct test *test __maybe_unused, int subtest __maybe_unused) 14134aa44fSJiri Olsa { 15134aa44fSJiri Olsa struct thread_map *map; 16134aa44fSJiri Olsa 178fbc38aaSJiri Olsa TEST_ASSERT_VAL("failed to set process name", 188fbc38aaSJiri Olsa !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0)); 198fbc38aaSJiri Olsa 20134aa44fSJiri Olsa /* test map on current pid */ 21134aa44fSJiri Olsa map = thread_map__new_by_pid(getpid()); 22134aa44fSJiri Olsa TEST_ASSERT_VAL("failed to alloc map", map); 23134aa44fSJiri Olsa 24134aa44fSJiri Olsa thread_map__read_comms(map); 25134aa44fSJiri Olsa 26134aa44fSJiri Olsa TEST_ASSERT_VAL("wrong nr", map->nr == 1); 27134aa44fSJiri Olsa TEST_ASSERT_VAL("wrong pid", 28134aa44fSJiri Olsa thread_map__pid(map, 0) == getpid()); 29134aa44fSJiri Olsa TEST_ASSERT_VAL("wrong comm", 30134aa44fSJiri Olsa thread_map__comm(map, 0) && 318fbc38aaSJiri Olsa !strcmp(thread_map__comm(map, 0), NAME)); 3235318d20SJiri Olsa TEST_ASSERT_VAL("wrong refcnt", 33364fed35SElena Reshetova refcount_read(&map->refcnt) == 1); 34134aa44fSJiri Olsa thread_map__put(map); 35134aa44fSJiri Olsa 36134aa44fSJiri Olsa /* test dummy pid */ 37134aa44fSJiri Olsa map = thread_map__new_dummy(); 38134aa44fSJiri Olsa TEST_ASSERT_VAL("failed to alloc map", map); 39134aa44fSJiri Olsa 40134aa44fSJiri Olsa thread_map__read_comms(map); 41134aa44fSJiri Olsa 42134aa44fSJiri Olsa TEST_ASSERT_VAL("wrong nr", map->nr == 1); 43134aa44fSJiri Olsa TEST_ASSERT_VAL("wrong pid", thread_map__pid(map, 0) == -1); 44134aa44fSJiri Olsa TEST_ASSERT_VAL("wrong comm", 45134aa44fSJiri Olsa thread_map__comm(map, 0) && 46134aa44fSJiri Olsa !strcmp(thread_map__comm(map, 0), "dummy")); 4735318d20SJiri Olsa TEST_ASSERT_VAL("wrong refcnt", 48364fed35SElena Reshetova refcount_read(&map->refcnt) == 1); 49134aa44fSJiri Olsa thread_map__put(map); 50134aa44fSJiri Olsa return 0; 51134aa44fSJiri Olsa } 5299471c96SJiri Olsa 5399471c96SJiri Olsa static int process_event(struct perf_tool *tool __maybe_unused, 5499471c96SJiri Olsa union perf_event *event, 5599471c96SJiri Olsa struct perf_sample *sample __maybe_unused, 5699471c96SJiri Olsa struct machine *machine __maybe_unused) 5799471c96SJiri Olsa { 5899471c96SJiri Olsa struct thread_map_event *map = &event->thread_map; 5959660942SJiri Olsa struct thread_map *threads; 6099471c96SJiri Olsa 6199471c96SJiri Olsa TEST_ASSERT_VAL("wrong nr", map->nr == 1); 6299471c96SJiri Olsa TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid()); 638fbc38aaSJiri Olsa TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME)); 6459660942SJiri Olsa 6559660942SJiri Olsa threads = thread_map__new_event(&event->thread_map); 6659660942SJiri Olsa TEST_ASSERT_VAL("failed to alloc map", threads); 6759660942SJiri Olsa 6859660942SJiri Olsa TEST_ASSERT_VAL("wrong nr", threads->nr == 1); 6959660942SJiri Olsa TEST_ASSERT_VAL("wrong pid", 7059660942SJiri Olsa thread_map__pid(threads, 0) == getpid()); 7159660942SJiri Olsa TEST_ASSERT_VAL("wrong comm", 7259660942SJiri Olsa thread_map__comm(threads, 0) && 738fbc38aaSJiri Olsa !strcmp(thread_map__comm(threads, 0), NAME)); 7459660942SJiri Olsa TEST_ASSERT_VAL("wrong refcnt", 75364fed35SElena Reshetova refcount_read(&threads->refcnt) == 1); 7659660942SJiri Olsa thread_map__put(threads); 7799471c96SJiri Olsa return 0; 7899471c96SJiri Olsa } 7999471c96SJiri Olsa 8081f17c90SArnaldo Carvalho de Melo int test__thread_map_synthesize(struct test *test __maybe_unused, int subtest __maybe_unused) 8199471c96SJiri Olsa { 8299471c96SJiri Olsa struct thread_map *threads; 8399471c96SJiri Olsa 848fbc38aaSJiri Olsa TEST_ASSERT_VAL("failed to set process name", 858fbc38aaSJiri Olsa !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0)); 868fbc38aaSJiri Olsa 8799471c96SJiri Olsa /* test map on current pid */ 8899471c96SJiri Olsa threads = thread_map__new_by_pid(getpid()); 8999471c96SJiri Olsa TEST_ASSERT_VAL("failed to alloc map", threads); 9099471c96SJiri Olsa 9199471c96SJiri Olsa thread_map__read_comms(threads); 9299471c96SJiri Olsa 9399471c96SJiri Olsa TEST_ASSERT_VAL("failed to synthesize map", 9499471c96SJiri Olsa !perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL)); 9599471c96SJiri Olsa 9699471c96SJiri Olsa return 0; 9799471c96SJiri Olsa } 9838af91f0SJiri Olsa 9981f17c90SArnaldo Carvalho de Melo int test__thread_map_remove(struct test *test __maybe_unused, int subtest __maybe_unused) 10038af91f0SJiri Olsa { 10138af91f0SJiri Olsa struct thread_map *threads; 10238af91f0SJiri Olsa char *str; 10338af91f0SJiri Olsa int i; 10438af91f0SJiri Olsa 10538af91f0SJiri Olsa TEST_ASSERT_VAL("failed to allocate map string", 10638af91f0SJiri Olsa asprintf(&str, "%d,%d", getpid(), getppid()) >= 0); 10738af91f0SJiri Olsa 10873c0ca1eSJin Yao threads = thread_map__new_str(str, NULL, 0, false); 10938af91f0SJiri Olsa 11038af91f0SJiri Olsa TEST_ASSERT_VAL("failed to allocate thread_map", 11138af91f0SJiri Olsa threads); 11238af91f0SJiri Olsa 113bb963e16SNamhyung Kim if (verbose > 0) 11438af91f0SJiri Olsa thread_map__fprintf(threads, stderr); 11538af91f0SJiri Olsa 11638af91f0SJiri Olsa TEST_ASSERT_VAL("failed to remove thread", 11738af91f0SJiri Olsa !thread_map__remove(threads, 0)); 11838af91f0SJiri Olsa 11938af91f0SJiri Olsa TEST_ASSERT_VAL("thread_map count != 1", threads->nr == 1); 12038af91f0SJiri Olsa 121bb963e16SNamhyung Kim if (verbose > 0) 12238af91f0SJiri Olsa thread_map__fprintf(threads, stderr); 12338af91f0SJiri Olsa 12438af91f0SJiri Olsa TEST_ASSERT_VAL("failed to remove thread", 12538af91f0SJiri Olsa !thread_map__remove(threads, 0)); 12638af91f0SJiri Olsa 12738af91f0SJiri Olsa TEST_ASSERT_VAL("thread_map count != 0", threads->nr == 0); 12838af91f0SJiri Olsa 129bb963e16SNamhyung Kim if (verbose > 0) 13038af91f0SJiri Olsa thread_map__fprintf(threads, stderr); 13138af91f0SJiri Olsa 13238af91f0SJiri Olsa TEST_ASSERT_VAL("failed to not remove thread", 13338af91f0SJiri Olsa thread_map__remove(threads, 0)); 13438af91f0SJiri Olsa 13538af91f0SJiri Olsa for (i = 0; i < threads->nr; i++) 13638af91f0SJiri Olsa free(threads->map[i].comm); 13738af91f0SJiri Olsa 13838af91f0SJiri Olsa free(threads); 13938af91f0SJiri Olsa return 0; 14038af91f0SJiri Olsa } 141