| /tools/virtio/linux/ |
| A D | spinlock.h | 8 static inline void spin_lock_init(spinlock_t *lock) in spin_lock_init() argument
10 int r = pthread_spin_init(lock, 0); in spin_lock_init()
14 static inline void spin_lock(spinlock_t *lock) in spin_lock() argument
16 int ret = pthread_spin_lock(lock); in spin_lock()
22 int ret = pthread_spin_unlock(lock); in spin_unlock()
28 spin_lock(lock); in spin_lock_bh()
33 spin_unlock(lock); in spin_unlock_bh()
38 spin_lock(lock); in spin_lock_irq()
43 spin_unlock(lock); in spin_unlock_irq()
48 spin_lock(lock); in spin_lock_irqsave()
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| /tools/testing/selftests/bpf/progs/ |
| A D | linked_list.c | 12 struct bpf_spin_lock lock; member
37 bpf_spin_lock(lock); in list_push_pop()
39 bpf_spin_unlock(lock); in list_push_pop()
46 bpf_spin_lock(lock); in list_push_pop()
48 bpf_spin_unlock(lock); in list_push_pop()
56 bpf_spin_lock(lock); in list_push_pop()
62 bpf_spin_lock(lock); in list_push_pop()
73 bpf_spin_lock(lock); in list_push_pop()
77 bpf_spin_lock(lock); in list_push_pop()
89 bpf_spin_lock(lock); in list_push_pop()
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| A D | bpf_arena_spin_lock.h | 152 old = atomic_read(&lock->val); in xchg_tail()
180 WRITE_ONCE(lock->pending, 0); in clear_pending()
212 old = atomic_read(&lock->val); in arena_fetch_set_pending_acquire()
235 int val = atomic_read(&lock->val); in arena_spin_trylock()
288 clear_pending(lock); in arena_spin_lock_slowpath()
312 clear_pending_set_locked(lock); in arena_spin_lock_slowpath()
353 if (arena_spin_trylock(lock)) in arena_spin_lock_slowpath()
370 old = xchg_tail(lock, tail); in arena_spin_lock_slowpath()
438 set_locked(lock); in arena_spin_lock_slowpath()
520 smp_store_release(&lock->locked, 0); in arena_spin_unlock()
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| A D | test_spin_lock_fail.c | 8 struct bpf_spin_lock lock; member
113 CHECK(kptr_kptr, &f1->lock, &f2->lock);
115 CHECK(kptr_mapval, &f1->lock, &v->lock);
116 CHECK(kptr_innermapval, &f1->lock, &iv->lock);
136 bpf_spin_lock(&f1->lock); in lock_id_mismatch_mapval_mapval()
143 CHECK(mapval_kptr, &v->lock, &f1->lock);
145 CHECK(mapval_innermapval, &v->lock, &iv->lock);
164 bpf_spin_lock(&f1->lock); in lock_id_mismatch_innermapval_innermapval1()
191 bpf_spin_lock(&f1->lock); in lock_id_mismatch_innermapval_innermapval2()
198 CHECK(innermapval_kptr, &iv->lock, &f1->lock);
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| A D | refcounted_kptr.c | 87 bpf_spin_lock(lock); in __insert_in_tree_and_list()
90 bpf_spin_unlock(lock); in __insert_in_tree_and_list()
94 bpf_spin_unlock(lock); in __insert_in_tree_and_list()
96 bpf_spin_lock(lock); in __insert_in_tree_and_list()
99 bpf_spin_unlock(lock); in __insert_in_tree_and_list()
102 bpf_spin_unlock(lock); in __insert_in_tree_and_list()
130 bpf_spin_lock(lock); in __stash_map_insert_tree()
136 bpf_spin_unlock(lock); in __stash_map_insert_tree()
148 bpf_spin_lock(lock); in __read_from_tree()
165 bpf_spin_unlock(lock); in __read_from_tree()
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| A D | stream.c | 10 struct bpf_res_spin_lock lock; member
52 struct bpf_res_spin_lock *lock, *nlock; in stream_deadlock() local
54 lock = bpf_map_lookup_elem(&arrmap, &(int){0}); in stream_deadlock()
55 if (!lock) in stream_deadlock()
60 if (bpf_res_spin_lock(lock)) in stream_deadlock()
63 bpf_res_spin_unlock(lock); in stream_deadlock()
67 bpf_res_spin_unlock(lock); in stream_deadlock()
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| A D | res_spin_lock_fail.c | 11 struct bpf_res_spin_lock lock; member
36 bpf_res_spin_lock(&elem->lock); in res_spin_lock_arg()
49 bpf_res_spin_lock(&elem->lock); in res_spin_lock_AA()
50 bpf_res_spin_lock(&elem->lock); in res_spin_lock_AA()
63 if (bpf_res_spin_lock(&elem->lock)) in res_spin_lock_cond_AA()
65 bpf_res_spin_lock(&elem->lock); in res_spin_lock_cond_AA()
78 if (bpf_res_spin_lock(&elem->lock)) in res_spin_lock_mismatch_1()
95 bpf_res_spin_unlock(&elem->lock); in res_spin_lock_mismatch_2()
143 if (bpf_res_spin_lock(&elem->lock)) { in res_spin_lock_ooo()
147 bpf_res_spin_unlock(&elem->lock); in res_spin_lock_ooo()
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| A D | test_helper_restricted.c | 10 struct lock { struct
25 __type(value, struct lock);
50 struct lock *lock; in spin_lock_work() local
52 lock = bpf_map_lookup_elem(&locks, &key); in spin_lock_work()
53 if (lock) { in spin_lock_work()
54 bpf_spin_lock(&lock->l); in spin_lock_work()
55 bpf_spin_unlock(&lock->l); in spin_lock_work()
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| A D | test_map_lock.c | 10 struct bpf_spin_lock lock; member
22 struct bpf_spin_lock lock; member
45 bpf_spin_lock(&val->lock); in bpf_map_lock_test()
48 bpf_spin_unlock(&val->lock); in bpf_map_lock_test()
54 bpf_spin_lock(&q->lock); in bpf_map_lock_test()
57 bpf_spin_unlock(&q->lock); in bpf_map_lock_test()
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| A D | linked_list_fail.c | 124 CHECK(inner_map_map, op, &iv->lock, &v->head);
153 CHECK(map_map, op, &v->lock, &v2->head, &f->node2); \
154 CHECK(map_kptr, op, &v->lock, &f2->head, &b->node); \
155 CHECK(map_global, op, &v->lock, &ghead, &f->node2); \
295 return *(int *)&f->lock; in direct_read_lock()
306 *(int *)&f->lock = 0; in direct_write_lock()
555 bpf_spin_lock(&f->lock); in incorrect_head_off1()
557 bpf_spin_unlock(&f->lock); in incorrect_head_off1()
583 struct bpf_spin_lock lock; in pop_ptr_off() member
590 bpf_spin_lock(&p->lock); in pop_ptr_off()
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| A D | res_spin_lock.c | 12 struct bpf_res_spin_lock lock; member
38 r = bpf_res_spin_lock(&elem1->lock); in res_spin_lock_test()
41 r = bpf_res_spin_lock(&elem2->lock); in res_spin_lock_test()
43 bpf_res_spin_unlock(&elem2->lock); in res_spin_lock_test()
44 bpf_res_spin_unlock(&elem1->lock); in res_spin_lock_test()
47 bpf_res_spin_unlock(&elem1->lock); in res_spin_lock_test()
104 locks[i] = &e->lock; in res_spin_lock_test_held_lock_max()
116 locks[i] = &e->lock; in res_spin_lock_test_held_lock_max()
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| A D | test_spin_lock.c | 10 struct bpf_spin_lock lock; member
22 struct bpf_spin_lock lock; member
33 struct bpf_spin_lock lock; member
70 bpf_spin_lock(&val->lock); in bpf_spin_lock_test()
77 bpf_spin_unlock(&val->lock); in bpf_spin_lock_test()
84 bpf_spin_lock(&q->lock); in bpf_spin_lock_test()
91 bpf_spin_unlock(&q->lock); in bpf_spin_lock_test()
97 bpf_spin_lock(&cls->lock); in bpf_spin_lock_test()
99 bpf_spin_unlock(&cls->lock); in bpf_spin_lock_test()
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| /tools/perf/tests/shell/ |
| A D | lock_contention.sh | 61 if ! perf lock con -b true > /dev/null 2>&1 ; then
79 perf lock contention -i- -E 1 -q 2> ${result}
97 if ! perf lock con -b true > /dev/null 2>&1 ; then
120 if ! perf lock con -b true > /dev/null 2>&1 ; then
137 if ! perf lock con -b true > /dev/null 2>&1 ; then
161 if ! perf lock con -b true > /dev/null 2>&1 ; then
193 if ! perf lock con -b true > /dev/null 2>&1 ; then
221 if ! perf lock con -b true > /dev/null 2>&1 ; then
249 if ! perf lock con -b true > /dev/null 2>&1 ; then
264 if ! perf lock con -b true > /dev/null 2>&1 ; then
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| /tools/virtio/ringtest/ |
| A D | ptr_ring.c | 66 int r = pthread_spin_init(lock, 0); in spin_lock_init()
70 static void spin_lock(spinlock_t *lock) in spin_lock() argument
72 int ret = pthread_spin_lock(lock); in spin_lock()
76 static void spin_unlock(spinlock_t *lock) in spin_unlock() argument
78 int ret = pthread_spin_unlock(lock); in spin_unlock()
84 spin_lock(lock); in spin_lock_bh()
89 spin_unlock(lock); in spin_unlock_bh()
94 spin_lock(lock); in spin_lock_irq()
99 spin_unlock(lock); in spin_unlock_irq()
104 spin_lock(lock); in spin_lock_irqsave()
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| /tools/perf/Documentation/ |
| A D | perf-lock.txt | 1 perf-lock(1)
6 perf-lock - Analyze lock events
18 'perf lock record <command>' records lock events
21 results of lock events.
25 'perf lock script' shows raw lock events.
28 of lock instances.
177 --lock-addr::
181 --lock-owner::
188 Show lock contention only for given lock types (comma separated list).
198 --lock-filter=<value>::
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| /tools/include/linux/ |
| A D | rwsem.h | 8 pthread_rwlock_t lock; member
13 return pthread_rwlock_init(&sem->lock, NULL); in init_rwsem()
18 return pthread_rwlock_destroy(&sem->lock); in exit_rwsem()
23 return pthread_rwlock_rdlock(&sem->lock); in down_read()
28 return pthread_rwlock_unlock(&sem->lock); in up_read()
33 return pthread_rwlock_wrlock(&sem->lock); in down_write()
38 return pthread_rwlock_unlock(&sem->lock); in up_write()
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| /tools/testing/selftests/futex/functional/ |
| A D | futex_numa.c | 36 void futex_numa_32_lock(struct futex_numa_32 *lock) in futex_numa_32_lock() argument
63 if (__atomic_compare_exchange_n(&lock->full, in futex_numa_32_lock()
78 futex2_wait(lock, new.val, fflags, NULL, 0); in futex_numa_32_lock()
87 int woken = futex2_wake(lock, 1, fflags); in futex_numa_32_unlock()
102 struct futex_numa_32 *lock; member
118 futex_numa_32_lock(args->lock); in threadfn()
126 node = args->lock->node; in threadfn()
127 futex_numa_32_unlock(args->lock); in threadfn()
158 static struct futex_numa_32 lock = { .val = 0, }; variable
201 args->lock = &lock; in main()
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| /tools/perf/util/ |
| A D | threads.c | 29 init_rwsem(&table->lock); in threads__init()
41 exit_rwsem(&table->lock); in threads__exit()
52 down_read(&table->lock); in threads__nr()
54 up_read(&table->lock); in threads__nr()
87 down_write(&table->lock); in threads_table_entry__set_last_match()
89 up_write(&table->lock); in threads_table_entry__set_last_match()
97 down_read(&table->lock); in threads__find()
103 up_read(&table->lock); in threads__find()
131 up_write(&table->lock); in threads__findnew()
165 up_write(&table->lock); in threads__remove()
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| A D | rwsem.c | 15 return pthread_rwlock_init(&sem->lock, NULL); in init_rwsem()
25 return pthread_rwlock_destroy(&sem->lock); in exit_rwsem()
36 return perf_singlethreaded ? 0 : pthread_rwlock_rdlock(&sem->lock); in down_read()
47 return perf_singlethreaded ? 0 : pthread_rwlock_unlock(&sem->lock); in up_read()
58 return perf_singlethreaded ? 0 : pthread_rwlock_wrlock(&sem->lock); in down_write()
69 return perf_singlethreaded ? 0 : pthread_rwlock_unlock(&sem->lock); in up_write()
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| A D | dsos.c | 17 init_rwsem(&dsos->lock); in dsos__init()
27 down_write(&dsos->lock); in dsos__purge()
41 up_write(&dsos->lock); in dsos__purge()
47 exit_rwsem(&dsos->lock); in dsos__exit()
176 up_read(&dsos->lock); in __dsos__find_by_longname_id()
243 up_write(&dsos->lock); in dsos__add()
289 down_read(&dsos->lock); in dsos__find()
291 up_read(&dsos->lock); in dsos__find()
359 up_write(&dsos->lock); in dsos__findnew_id()
462 up_write(&dsos->lock); in dsos__findnew_module_dso()
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| /tools/testing/selftests/kvm/lib/arm64/ |
| A D | spinlock.c | 9 void spin_lock(struct spinlock *lock) in spin_lock() argument
20 : "r" (&lock->v) in spin_lock()
24 void spin_unlock(struct spinlock *lock) in spin_unlock() argument
26 asm volatile("stlr wzr, [%0]\n" : : "r" (&lock->v) : "memory"); in spin_unlock()
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| /tools/testing/selftests/timens/ |
| A D | clock_nanosleep.c | 27 pthread_mutex_t *lock; member
37 pthread_mutex_unlock(args->lock); in call_nanosleep()
46 pthread_mutex_t lock; in run_test() local
53 pthread_mutex_init(&lock, NULL); in run_test()
54 pthread_mutex_lock(&lock); in run_test()
70 args.lock = &lock; in run_test()
88 if (pthread_mutex_trylock(&lock) == 0) { in run_test()
97 pthread_mutex_destroy(&lock); in run_test()
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| /tools/testing/radix-tree/ |
| A D | regression1.c | 49 pthread_mutex_t lock; member
61 pthread_mutex_init(&p->lock, NULL); in page_alloc()
70 pthread_mutex_destroy(&p->lock); in page_rcu_free()
91 pthread_mutex_lock(&page->lock); in find_get_pages()
96 pthread_mutex_unlock(&page->lock); in find_get_pages()
106 pthread_mutex_unlock(&page->lock); in find_get_pages()
139 pthread_mutex_lock(&p->lock); in regression1_fn()
141 pthread_mutex_unlock(&p->lock); in regression1_fn()
147 pthread_mutex_lock(&p->lock); in regression1_fn()
149 pthread_mutex_unlock(&p->lock); in regression1_fn()
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| /tools/arch/x86/include/asm/ |
| A D | cmpxchg.h | 35 #define __raw_cmpxchg(ptr, old, new, size, lock) \ argument
44 asm volatile(lock "cmpxchgb %2,%1" \
53 asm volatile(lock "cmpxchgw %2,%1" \
62 asm volatile(lock "cmpxchgl %2,%1" \
71 asm volatile(lock "cmpxchgq %2,%1" \
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| /tools/testing/shared/ |
| A D | linux.c | 20 pthread_mutex_t lock; member
89 pthread_mutex_lock(&cachep->lock); in kmem_cache_alloc_lru()
94 pthread_mutex_unlock(&cachep->lock); in kmem_cache_alloc_lru()
98 pthread_mutex_unlock(&cachep->lock); in kmem_cache_alloc_lru()
145 pthread_mutex_lock(&cachep->lock); in kmem_cache_free()
147 pthread_mutex_unlock(&cachep->lock); in kmem_cache_free()
155 pthread_mutex_lock(&cachep->lock); in kmem_cache_free_bulk()
158 pthread_mutex_unlock(&cachep->lock); in kmem_cache_free_bulk()
173 pthread_mutex_lock(&cachep->lock); in kmem_cache_alloc_bulk()
190 pthread_mutex_unlock(&cachep->lock); in kmem_cache_alloc_bulk()
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