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/linux/tools/perf/util/
H A Dthread_map.c36 struct perf_thread_map *threads; in thread_map__new_by_pid() local
47 threads = thread_map__alloc(items); in thread_map__new_by_pid()
48 if (threads != NULL) { in thread_map__new_by_pid()
50 perf_thread_map__set_pid(threads, i, atoi(namelist[i]->d_name)); in thread_map__new_by_pid()
51 threads->nr = items; in thread_map__new_by_pid()
52 refcount_set(&threads->refcnt, 1); in thread_map__new_by_pid()
59 return threads; in thread_map__new_by_pid()
64 struct perf_thread_map *threads = thread_map__alloc(1); in thread_map__new_by_tid() local
66 if (threads != NULL) { in thread_map__new_by_tid()
67 perf_thread_map__set_pid(threads, 0, tid); in thread_map__new_by_tid()
[all …]
H A Dthreads.h20 struct threads { struct
24 void threads__init(struct threads *threads);
25 void threads__exit(struct threads *threads);
26 size_t threads__nr(struct threads *threads);
27 struct thread *threads__find(struct threads *threads, pid_t tid);
28 struct thread *threads__findnew(struct threads *threads, pid_t pid, pid_t tid, bool *created);
29 void threads__remove_all_threads(struct threads *threads);
30 void threads__remove(struct threads *threads, struct thread *thread);
31 int threads__for_each_thread(struct threads *threads,
H A Dthreads.c6 static struct threads_table_entry *threads__table(struct threads *threads, pid_t tid) in threads__table() argument
9 return &threads->table[(unsigned int)tid % THREADS__TABLE_SIZE]; in threads__table()
23 void threads__init(struct threads *threads) in threads__init() argument
26 struct threads_table_entry *table = &threads->table[i]; in threads__init()
34 void threads__exit(struct threads *threads) in threads__exit() argument
36 threads__remove_all_threads(threads); in threads__exit()
38 struct threads_table_entry *table = &threads->table[i]; in threads__exit()
45 size_t threads__nr(struct threads *threads) in threads__nr() argument
50 struct threads_table_entry *table = &threads->table[i]; in threads__nr()
92 struct thread *threads__find(struct threads *threads, pid_t tid) in threads__find() argument
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/linux/tools/perf/tests/
H A Dthread-map.c69 struct perf_thread_map *threads; in process_event() local
75 threads = thread_map__new_event(&event->thread_map); in process_event()
76 TEST_ASSERT_VAL("failed to alloc map", threads); in process_event()
78 TEST_ASSERT_VAL("wrong nr", threads->nr == 1); in process_event()
80 perf_thread_map__pid(threads, 0) == getpid()); in process_event()
82 perf_thread_map__comm(threads, 0) && in process_event()
83 !strcmp(perf_thread_map__comm(threads, 0), NAME)); in process_event()
85 refcount_read(&threads->refcnt) == 1); in process_event()
86 perf_thread_map__put(threads); in process_event()
92 struct perf_thread_map *threads; in test__thread_map_synthesize() local
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H A Devent-times.c60 struct perf_thread_map *threads; in attach__current_disabled() local
65 threads = thread_map__new_by_tid(getpid()); in attach__current_disabled()
66 if (threads == NULL) { in attach__current_disabled()
73 err = evsel__open_per_thread(evsel, threads); in attach__current_disabled()
79 perf_thread_map__put(threads); in attach__current_disabled()
86 struct perf_thread_map *threads; in attach__current_enabled() local
91 threads = thread_map__new_by_tid(getpid()); in attach__current_enabled()
92 if (threads == NULL) { in attach__current_enabled()
97 err = evsel__open_per_thread(evsel, threads); in attach__current_enabled()
99 perf_thread_map__put(threads); in attach__current_enabled()
/linux/tools/lib/perf/
H A Dthreadmap.c47 struct perf_thread_map *threads = thread_map__alloc(nr_threads); in perf_thread_map__new_array() local
50 if (!threads) in perf_thread_map__new_array()
54 perf_thread_map__set_pid(threads, i, array ? array[i] : -1); in perf_thread_map__new_array()
56 threads->nr = nr_threads; in perf_thread_map__new_array()
57 refcount_set(&threads->refcnt, 1); in perf_thread_map__new_array()
59 return threads; in perf_thread_map__new_array()
67 static void perf_thread_map__delete(struct perf_thread_map *threads) in perf_thread_map__delete() argument
69 if (threads) { in perf_thread_map__delete()
72 WARN_ONCE(refcount_read(&threads->refcnt) != 0, in perf_thread_map__delete()
74 for (i = 0; i < threads->nr; i++) in perf_thread_map__delete()
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/linux/tools/lib/perf/tests/
H A Dtest-evsel.c56 struct perf_thread_map *threads; in test_stat_thread() local
64 threads = perf_thread_map__new_dummy(); in test_stat_thread()
65 __T("failed to create threads", threads); in test_stat_thread()
67 perf_thread_map__set_pid(threads, 0, 0); in test_stat_thread()
72 err = perf_evsel__open(evsel, NULL, threads); in test_stat_thread()
81 perf_thread_map__put(threads); in test_stat_thread()
88 struct perf_thread_map *threads; in test_stat_thread_enable() local
97 threads = perf_thread_map__new_dummy(); in test_stat_thread_enable()
98 __T("failed to create threads", threads); in test_stat_thread_enable()
100 perf_thread_map__set_pid(threads, 0, 0); in test_stat_thread_enable()
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H A Dtest-threadmap.c16 struct perf_thread_map *threads; in test_threadmap_array() local
19 threads = perf_thread_map__new_array(nr, array); in test_threadmap_array()
20 __T("Failed to allocate new thread map", threads); in test_threadmap_array()
22 __T("Unexpected number of threads", perf_thread_map__nr(threads) == nr); in test_threadmap_array()
26 perf_thread_map__pid(threads, i) == (array ? array[i] : -1)); in test_threadmap_array()
30 perf_thread_map__set_pid(threads, i, i * 100); in test_threadmap_array()
33 perf_thread_map__pid(threads, 0) == (array ? array[0] : -1)); in test_threadmap_array()
37 perf_thread_map__pid(threads, i) == i * 100); in test_threadmap_array()
40 perf_thread_map__put(threads); in test_threadmap_array()
48 struct perf_thread_map *threads; in test_threadmap() local
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H A Dtest-evlist.c95 struct perf_thread_map *threads; in test_stat_thread() local
108 threads = perf_thread_map__new_dummy(); in test_stat_thread()
109 __T("failed to create threads", threads); in test_stat_thread()
111 perf_thread_map__set_pid(threads, 0, 0); in test_stat_thread()
130 perf_evlist__set_maps(evlist, NULL, threads); in test_stat_thread()
143 perf_thread_map__put(threads); in test_stat_thread()
150 struct perf_thread_map *threads; in test_stat_thread_enable() local
165 threads = perf_thread_map__new_dummy(); in test_stat_thread_enable()
166 __T("failed to create threads", threads); in test_stat_thread_enable()
168 perf_thread_map__set_pid(threads, 0, 0); in test_stat_thread_enable()
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/linux/tools/perf/bench/
H A Dbreakpoint.c89 pthread_t *threads; in breakpoint_thread() local
91 threads = calloc(thread_params.nthreads, sizeof(threads[0])); in breakpoint_thread()
92 if (!threads) in breakpoint_thread()
98 if (pthread_create(&threads[i], NULL, passive_thread, &done)) in breakpoint_thread()
104 pthread_join(threads[i], NULL); in breakpoint_thread()
106 free(threads); in breakpoint_thread()
203 pthread_t *threads; in bench_breakpoint_enable() local
220 threads = calloc(nthreads, sizeof(threads[0])); in bench_breakpoint_enable()
221 if (!threads) in bench_breakpoint_enable()
225 if (pthread_create(&threads[i], NULL, in bench_breakpoint_enable()
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H A Dsynthesize.c62 struct perf_thread_map *threads, in do_run_single_threaded() argument
81 target, threads, in do_run_single_threaded()
116 struct perf_thread_map *threads; in run_single_threaded() local
129 threads = thread_map__new_by_pid(getpid()); in run_single_threaded()
130 if (!threads) { in run_single_threaded()
140 err = do_run_single_threaded(session, threads, &target, false); in run_single_threaded()
144 err = do_run_single_threaded(session, threads, &target, true); in run_single_threaded()
147 if (threads) in run_single_threaded()
148 perf_thread_map__put(threads); in run_single_threaded()
/linux/tools/testing/selftests/dma/
H A Ddma_map_benchmark.c29 int threads = 1, seconds = 20, node = -1; in main() local
40 threads = atoi(optarg); in main()
65 if (threads <= 0 || threads > DMA_MAP_MAX_THREADS) { in main()
108 map.threads = threads; in main()
121 threads, seconds, node, dir[directions], granule); in main()
/linux/tools/testing/selftests/powerpc/math/
H A Dfpu_preempt.c53 int i, rc, threads; in test_preempt_fpu() local
56 threads = sysconf(_SC_NPROCESSORS_ONLN) * THREAD_FACTOR; in test_preempt_fpu()
57 tids = malloc((threads) * sizeof(pthread_t)); in test_preempt_fpu()
61 threads_starting = threads; in test_preempt_fpu()
62 for (i = 0; i < threads; i++) { in test_preempt_fpu()
84 for (i = 0; i < threads; i++) { in test_preempt_fpu()
H A Dfpu_signal.c73 int i, j, rc, threads; in test_signal_fpu() local
77 threads = sysconf(_SC_NPROCESSORS_ONLN) * THREAD_FACTOR; in test_signal_fpu()
78 tids = malloc(threads * sizeof(pthread_t)); in test_signal_fpu()
82 threads_starting = threads; in test_signal_fpu()
83 for (i = 0; i < threads; i++) { in test_signal_fpu()
96 for (j = 0; j < threads; j++) { in test_signal_fpu()
105 for (i = 0; i < threads; i++) { in test_signal_fpu()
H A Dvmx_signal.c95 int i, j, rc, threads; in test_signal_vmx() local
102 threads = sysconf(_SC_NPROCESSORS_ONLN) * THREAD_FACTOR; in test_signal_vmx()
103 tids = malloc(threads * sizeof(pthread_t)); in test_signal_vmx()
107 threads_starting = threads; in test_signal_vmx()
108 for (i = 0; i < threads; i++) { in test_signal_vmx()
114 printf("\tWaiting for %d workers to start... %d", threads, threads_starting); in test_signal_vmx()
124 for (j = 0; j < threads; j++) { in test_signal_vmx()
133 for (i = 0; i < threads; i++) { in test_signal_vmx()
H A Dvmx_preempt.c59 int i, rc, threads; in test_preempt_vmx() local
65 threads = sysconf(_SC_NPROCESSORS_ONLN) * THREAD_FACTOR; in test_preempt_vmx()
66 tids = malloc(threads * sizeof(pthread_t)); in test_preempt_vmx()
70 threads_starting = threads; in test_preempt_vmx()
71 for (i = 0; i < threads; i++) { in test_preempt_vmx()
93 for (i = 0; i < threads; i++) { in test_preempt_vmx()
H A Dvsx_preempt.c92 int i, rc, threads; in test_preempt_vsx() local
97 threads = sysconf(_SC_NPROCESSORS_ONLN) * THREAD_FACTOR; in test_preempt_vsx()
98 tids = malloc(threads * sizeof(pthread_t)); in test_preempt_vsx()
102 threads_starting = threads; in test_preempt_vsx()
103 for (i = 0; i < threads; i++) { in test_preempt_vsx()
125 for (i = 0; i < threads; i++) { in test_preempt_vsx()
/linux/tools/lib/perf/Documentation/examples/
H A Dcounting.c23 struct perf_thread_map *threads; in main() local
40 threads = perf_thread_map__new_dummy(); in main()
41 if (!threads) { in main()
45 perf_thread_map__set_pid(threads, 0, 0); in main()
63 perf_evlist__set_maps(evlist, NULL, threads); in main()
81 perf_thread_map__put(threads); in main()
/linux/tools/testing/selftests/powerpc/tm/
H A Dtm-vmx-unavail.c90 int threads; in tm_vmx_unavail_test() local
98 threads = sysconf(_SC_NPROCESSORS_ONLN) * 4; in tm_vmx_unavail_test()
99 thread = malloc(sizeof(pthread_t)*threads); in tm_vmx_unavail_test()
103 for (uint64_t i = 0; i < threads; i++) in tm_vmx_unavail_test()
106 for (uint64_t i = 0; i < threads; i++) in tm_vmx_unavail_test()
/linux/Documentation/driver-api/dmaengine/
H A Ddmatest.rst16 test multiple channels at the same time, and it can start multiple threads
73 (shared) parameters used for all threads will use the new values.
74 After the channels are specified, each thread is set as pending. All threads
82 Once started a message like " dmatest: Added 1 threads using dma0chan0" is
171 dmatest: Added 1 threads using dma0chan2
179 dmatest: Added 1 threads using dma0chan1
181 dmatest: Added 1 threads using dma0chan2
191 dmatest: Added 1 threads using dma0chan0
192 dmatest: Added 1 threads using dma0chan3
193 dmatest: Added 1 threads using dma0chan4
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/linux/drivers/gpu/drm/i915/gt/
H A Dselftest_slpc.c499 struct slpc_thread *threads; in live_slpc_tile_interaction() local
502 threads = kcalloc(I915_MAX_GT, sizeof(*threads), GFP_KERNEL); in live_slpc_tile_interaction()
503 if (!threads) in live_slpc_tile_interaction()
507 threads[i].worker = kthread_run_worker(0, "igt/slpc_parallel:%d", gt->info.id); in live_slpc_tile_interaction()
509 if (IS_ERR(threads[i].worker)) { in live_slpc_tile_interaction()
510 ret = PTR_ERR(threads[i].worker); in live_slpc_tile_interaction()
514 threads[i].gt = gt; in live_slpc_tile_interaction()
515 kthread_init_work(&threads[i].work, slpc_spinner_thread); in live_slpc_tile_interaction()
516 kthread_queue_work(threads[i].worker, &threads[i].work); in live_slpc_tile_interaction()
522 if (IS_ERR_OR_NULL(threads[i].worker)) in live_slpc_tile_interaction()
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/linux/tools/testing/selftests/sched_ext/
H A Dreload_loop.c15 static pthread_t threads[2]; variable
49 err = pthread_create(&threads[0], NULL, do_reload_loop, NULL); in run()
52 err = pthread_create(&threads[1], NULL, do_reload_loop, NULL); in run()
55 SCX_FAIL_IF(pthread_join(threads[0], &ret), "thread 0 failed"); in run()
56 SCX_FAIL_IF(pthread_join(threads[1], &ret), "thread 1 failed"); in run()
/linux/tools/testing/radix-tree/
H A Diteration_check.c15 static pthread_t threads[NUM_THREADS]; variable
178 if (pthread_create(&threads[0], NULL, tagged_iteration_fn, NULL)) { in iteration_test()
182 if (pthread_create(&threads[1], NULL, untagged_iteration_fn, NULL)) { in iteration_test()
186 if (pthread_create(&threads[2], NULL, add_entries_fn, NULL)) { in iteration_test()
190 if (pthread_create(&threads[3], NULL, remove_entries_fn, NULL)) { in iteration_test()
194 if (pthread_create(&threads[4], NULL, tag_entries_fn, NULL)) { in iteration_test()
203 if (pthread_join(threads[i], NULL)) { in iteration_test()
/linux/tools/testing/selftests/mm/
H A Dmigration.c28 pthread_t *threads; in FIXTURE() local
54 self->threads = malloc(self->nthreads * sizeof(*self->threads)); in FIXTURE_SETUP()
55 ASSERT_NE(self->threads, NULL); in FIXTURE_SETUP()
62 free(self->threads); in FIXTURE_TEARDOWN()
138 if (pthread_create(&self->threads[i], NULL, access_mem, ptr))
143 ASSERT_EQ(pthread_cancel(self->threads[i]), 0);
203 if (pthread_create(&self->threads[i], NULL, access_mem, ptr))
208 ASSERT_EQ(pthread_cancel(self->threads[i]), 0);
270 if (pthread_create(&self->threads[i], NULL, access_mem, ptr))
275 ASSERT_EQ(pthread_cancel(self->threads[i]), 0);
/linux/tools/testing/selftests/powerpc/dscr/
H A Ddscr_default_test.c121 struct random_thread_args threads[THREADS]; in dscr_default_random_test() local
137 threads[i].expected_system_dscr = &expected_system_dscr; in dscr_default_random_test()
138 threads[i].rw_lock = &rw_lock; in dscr_default_random_test()
139 threads[i].barrier = &barrier; in dscr_default_random_test()
141 FAIL_IF(pthread_create(&threads[i].thread_id, NULL, in dscr_default_random_test()
142 dscr_default_random_thread, (void *)&threads[i])); in dscr_default_random_test()
146 FAIL_IF(pthread_join(threads[i].thread_id, NULL)); in dscr_default_random_test()

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