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Implement deallocation events.

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Make the event module to accept two event types, and pass around the event
context.  Use bytes-based events to trigger tcache GC on deallocation, and get
rid of the tcache ticker.
This commit is contained in:
Qi Wang
2020-01-28 21:12:06 -08:00
committed by Qi Wang
parent 536ea6858e
commit 97dd79db6c
9 changed files with 306 additions and 171 deletions
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44
test/unit/thread_event.c
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@@ -2,14 +2,18 @@
TEST_BEGIN(test_next_event_fast_roll_back) {
tsd_t *tsd = tsd_fetch();
thread_allocated_last_event_set(tsd, 0);
thread_allocated_set(tsd,
THREAD_ALLOCATED_NEXT_EVENT_FAST_MAX - 8U);
thread_allocated_next_event_set(tsd,
THREAD_ALLOCATED_NEXT_EVENT_FAST_MAX);
#define E(event, condition) \
event##_event_wait_set(tsd, \
THREAD_ALLOCATED_NEXT_EVENT_FAST_MAX);
event_ctx_t ctx;
event_ctx_get(tsd, &ctx, true);
event_ctx_last_event_set(&ctx, 0);
event_ctx_current_bytes_set(&ctx,
THREAD_NEXT_EVENT_FAST_MAX - 8U);
event_ctx_next_event_set(tsd, &ctx,
THREAD_NEXT_EVENT_FAST_MAX);
#define E(event, condition, is_alloc) \
if (is_alloc && condition) { \
event##_event_wait_set(tsd, THREAD_NEXT_EVENT_FAST_MAX);\
}
ITERATE_OVER_ALL_EVENTS
#undef E
void *p = malloc(16U);
@@ -20,14 +24,20 @@ TEST_END
TEST_BEGIN(test_next_event_fast_resume) {
tsd_t *tsd = tsd_fetch();
thread_allocated_last_event_set(tsd, 0);
thread_allocated_set(tsd,
THREAD_ALLOCATED_NEXT_EVENT_FAST_MAX + 8U);
thread_allocated_next_event_set(tsd,
THREAD_ALLOCATED_NEXT_EVENT_FAST_MAX + 16U);
#define E(event, condition) \
event##_event_wait_set(tsd, \
THREAD_ALLOCATED_NEXT_EVENT_FAST_MAX + 16U);
event_ctx_t ctx;
event_ctx_get(tsd, &ctx, true);
event_ctx_last_event_set(&ctx, 0);
event_ctx_current_bytes_set(&ctx,
THREAD_NEXT_EVENT_FAST_MAX + 8U);
event_ctx_next_event_set(tsd, &ctx,
THREAD_NEXT_EVENT_FAST_MAX + 16U);
#define E(event, condition, is_alloc) \
if (is_alloc && condition) { \
event##_event_wait_set(tsd, \
THREAD_NEXT_EVENT_FAST_MAX + 16U); \
}
ITERATE_OVER_ALL_EVENTS
#undef E
void *p = malloc(SC_LOOKUP_MAXCLASS);
@@ -42,7 +52,7 @@ TEST_BEGIN(test_event_rollback) {
size_t count = 10;
uint64_t thread_allocated = thread_allocated_get(tsd);
while (count-- != 0) {
thread_event_rollback(tsd, diff);
thread_alloc_event_rollback(tsd, diff);
uint64_t thread_allocated_after = thread_allocated_get(tsd);
assert_u64_eq(thread_allocated - thread_allocated_after, diff,
"thread event counters are not properly rolled back");