| /linux-6.6.21/tools/perf/util/ |
| D | thread_map.c | 36 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()
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| /linux-6.6.21/tools/perf/tests/ |
| D | thread-map.c | 69 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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| D | event-times.c | 62 struct perf_thread_map *threads; in attach__current_disabled() local
67 threads = thread_map__new(-1, getpid(), UINT_MAX); in attach__current_disabled()
68 if (threads == NULL) { in attach__current_disabled()
75 err = evsel__open_per_thread(evsel, threads); in attach__current_disabled()
81 perf_thread_map__put(threads); in attach__current_disabled()
88 struct perf_thread_map *threads; in attach__current_enabled() local
93 threads = thread_map__new(-1, getpid(), UINT_MAX); in attach__current_enabled()
94 if (threads == NULL) { in attach__current_enabled()
99 err = evsel__open_per_thread(evsel, threads); in attach__current_enabled()
101 perf_thread_map__put(threads); in attach__current_enabled()
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| D | mmap-basic.c | 36 struct perf_thread_map *threads; in test__basic_mmap() local
49 threads = thread_map__new(-1, getpid(), UINT_MAX); in test__basic_mmap()
50 if (threads == NULL) { in test__basic_mmap()
77 perf_evlist__set_maps(&evlist->core, cpus, threads); in test__basic_mmap()
98 if (evsel__open(evsels[i], cpus, threads) < 0) { in test__basic_mmap()
168 perf_thread_map__put(threads); in test__basic_mmap()
175 struct perf_thread_map *threads; in test_stat_user_read() local
188 threads = perf_thread_map__new_dummy(); in test_stat_user_read()
189 TEST_ASSERT_VAL("failed to create threads", threads); in test_stat_user_read()
191 perf_thread_map__set_pid(threads, 0, 0); in test_stat_user_read()
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| /linux-6.6.21/tools/lib/perf/tests/ |
| D | test-threadmap.c | 16 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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| D | test-evsel.c | 56 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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| D | test-evlist.c | 95 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-6.6.21/tools/lib/perf/ |
| D | threadmap.c | 47 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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| D | evlist.c | 71 perf_thread_map__put(evsel->threads); in __perf_evlist__propagate_maps()
72 evsel->threads = perf_thread_map__new_dummy(); in __perf_evlist__propagate_maps()
74 perf_thread_map__put(evsel->threads); in __perf_evlist__propagate_maps()
75 evsel->threads = perf_thread_map__get(evlist->threads); in __perf_evlist__propagate_maps()
155 perf_thread_map__put(evlist->threads); in perf_evlist__exit()
158 evlist->threads = NULL; in perf_evlist__exit()
176 struct perf_thread_map *threads) in perf_evlist__set_maps() argument
190 if (threads != evlist->threads) { in perf_evlist__set_maps()
191 perf_thread_map__put(evlist->threads); in perf_evlist__set_maps()
192 evlist->threads = perf_thread_map__get(threads); in perf_evlist__set_maps()
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| /linux-6.6.21/tools/perf/bench/ |
| D | breakpoint.c | 89 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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| D | synthesize.c | 62 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
125 threads = thread_map__new_by_pid(getpid()); in run_single_threaded()
126 if (!threads) { in run_single_threaded()
136 err = do_run_single_threaded(session, threads, &target, false); in run_single_threaded()
140 err = do_run_single_threaded(session, threads, &target, true); in run_single_threaded()
143 if (threads) in run_single_threaded()
144 perf_thread_map__put(threads); in run_single_threaded()
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| /linux-6.6.21/tools/testing/selftests/dma/ |
| D | dma_map_benchmark.c | 29 int threads = 1, seconds = 20, node = -1; in main() local
41 threads = atoi(optarg); in main()
66 if (threads <= 0 || threads > DMA_MAP_MAX_THREADS) { in main()
109 map.threads = threads; in main()
122 threads, seconds, node, dir[directions], granule); in main()
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| /linux-6.6.21/tools/testing/selftests/powerpc/math/ |
| D | fpu_preempt.c | 58 int i, rc, threads; in test_preempt_fpu() local
61 threads = sysconf(_SC_NPROCESSORS_ONLN) * THREAD_FACTOR; in test_preempt_fpu()
62 tids = malloc((threads) * sizeof(pthread_t)); in test_preempt_fpu()
66 threads_starting = threads; in test_preempt_fpu()
67 for (i = 0; i < threads; i++) { in test_preempt_fpu()
89 for (i = 0; i < threads; i++) { in test_preempt_fpu()
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| D | fpu_signal.c | 77 int i, j, rc, threads; in test_signal_fpu() local
81 threads = sysconf(_SC_NPROCESSORS_ONLN) * THREAD_FACTOR; in test_signal_fpu()
82 tids = malloc(threads * sizeof(pthread_t)); in test_signal_fpu()
86 threads_starting = threads; in test_signal_fpu()
87 for (i = 0; i < threads; i++) { in test_signal_fpu()
100 for (j = 0; j < threads; j++) { in test_signal_fpu()
109 for (i = 0; i < threads; i++) { in test_signal_fpu()
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| D | vmx_signal.c | 95 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()
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| D | vmx_preempt.c | 59 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()
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| D | vsx_preempt.c | 92 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()
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| /linux-6.6.21/tools/lib/perf/Documentation/examples/ |
| D | counting.c | 23 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()
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| /linux-6.6.21/drivers/gpu/drm/i915/gt/ |
| D | selftest_slpc.c | 483 struct slpc_thread *threads; in live_slpc_tile_interaction() local
486 threads = kcalloc(I915_MAX_GT, sizeof(*threads), GFP_KERNEL); in live_slpc_tile_interaction()
487 if (!threads) in live_slpc_tile_interaction()
491 threads[i].worker = kthread_create_worker(0, "igt/slpc_parallel:%d", gt->info.id); in live_slpc_tile_interaction()
493 if (IS_ERR(threads[i].worker)) { in live_slpc_tile_interaction()
494 ret = PTR_ERR(threads[i].worker); in live_slpc_tile_interaction()
498 threads[i].gt = gt; in live_slpc_tile_interaction()
499 kthread_init_work(&threads[i].work, slpc_spinner_thread); in live_slpc_tile_interaction()
500 kthread_queue_work(threads[i].worker, &threads[i].work); in live_slpc_tile_interaction()
506 if (IS_ERR_OR_NULL(threads[i].worker)) in live_slpc_tile_interaction()
[all …]
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| /linux-6.6.21/tools/testing/selftests/mm/ |
| D | migration.c | 25 pthread_t *threads; in FIXTURE() local
51 self->threads = malloc(self->nthreads * sizeof(*self->threads)); in FIXTURE_SETUP()
52 ASSERT_NE(self->threads, NULL); in FIXTURE_SETUP()
59 free(self->threads); in FIXTURE_TEARDOWN()
132 if (pthread_create(&self->threads[i], NULL, access_mem, ptr))
137 ASSERT_EQ(pthread_cancel(self->threads[i]), 0);
194 if (pthread_create(&self->threads[i], NULL, access_mem, ptr))
199 ASSERT_EQ(pthread_cancel(self->threads[i]), 0);
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| /linux-6.6.21/tools/testing/selftests/powerpc/tm/ |
| D | tm-vmx-unavail.c | 90 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()
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| /linux-6.6.21/tools/testing/radix-tree/ |
| D | iteration_check.c | 15 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()
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| /linux-6.6.21/Documentation/arch/x86/ |
| D | topology.rst | 24 threads, cores, packages, etc.
37 - threads
95 A core consists of 1 or more threads. It does not matter whether the threads
96 are SMT- or CMT-type threads.
105 The number of threads in a core. The number of threads in a package can be
116 AMDs nomenclature for CMT threads is "Compute Unit Core". The kernel always
123 The cpumask contains all online threads in the package to which a thread
126 The number of online threads is also printed in /proc/cpuinfo "siblings."
130 The cpumask contains all online threads in the core to which a thread
153 threads. Many BIOSes enumerate all threads 0 first and then all threads 1.
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| /linux-6.6.21/Documentation/driver-api/dmaengine/ |
| D | dmatest.rst | 16 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-6.6.21/tools/testing/selftests/powerpc/dscr/ |
| D | dscr_default_test.c | 121 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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