diff options
author | 2017-03-27 12:52:59 -0700 | |
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committer | 2017-03-27 12:52:59 -0700 | |
commit | 1a7692683fc40579180dee72bb2863a9bca827b6 (patch) | |
tree | 59f7b3056a4d6289e65d5a7816f26a2ff09a2e33 | |
parent | 799e7e8a4077c1d64fa48b595badba331b9e0498 (diff) |
Easier to read spam
-rw-r--r-- | src/core/lib/iomgr/timer_generic.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/src/core/lib/iomgr/timer_generic.c b/src/core/lib/iomgr/timer_generic.c index 4e4af9abc1..208572e7ca 100644 --- a/src/core/lib/iomgr/timer_generic.c +++ b/src/core/lib/iomgr/timer_generic.c @@ -187,12 +187,10 @@ static double ts_to_dbl(gpr_timespec ts) { } /* returns true if the first element in the list */ -static bool list_join(grpc_timer *head, grpc_timer *timer) { - bool is_first = head->next == head; +static void list_join(grpc_timer *head, grpc_timer *timer) { timer->next = head; timer->prev = head->prev; timer->next->prev = timer->prev->next = timer; - return is_first; } static void list_remove(grpc_timer *timer) { @@ -267,8 +265,7 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer, is_first_timer = grpc_timer_heap_add(&shard->heap, timer); } else { timer->heap_index = INVALID_HEAP_INDEX; - is_first_timer = list_join(&shard->list, timer) && - grpc_timer_heap_is_empty(&shard->heap); + list_join(&shard->list, timer); } if (grpc_timer_trace) { gpr_log(GPR_DEBUG, " .. add to shard %d with queue_deadline_cap=%" PRIdPTR @@ -428,15 +425,7 @@ static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_atm now, gpr_atm *next, grpc_error *error) { size_t n = 0; - /* fetch from a thread-local first: this avoids contention on a globally - mutable cacheline in the common case */ - gpr_atm min_timer = gpr_tls_get(&g_last_seen_min_timer); - if (now < min_timer) { - if (next != NULL) *next = GPR_MIN(*next, min_timer); - return 0; - } - - min_timer = gpr_atm_no_barrier_load(&g_shared_mutables.min_timer); + gpr_atm min_timer = gpr_atm_no_barrier_load(&g_shared_mutables.min_timer); gpr_tls_set(&g_last_seen_min_timer, min_timer); if (now < min_timer) { if (next != NULL) *next = GPR_MIN(*next, min_timer); @@ -499,10 +488,28 @@ bool grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now, // prelude GPR_ASSERT(now.clock_type == g_clock_type); gpr_atm now_atm = timespec_to_atm_round_down(now); + + /* fetch from a thread-local first: this avoids contention on a globally + mutable cacheline in the common case */ + gpr_atm min_timer = gpr_tls_get(&g_last_seen_min_timer); + if (now_atm < min_timer) { + if (next != NULL) { + *next = + atm_to_timespec(GPR_MIN(timespec_to_atm_round_up(*next), min_timer)); + } + if (grpc_timer_check_trace) { + gpr_log(GPR_DEBUG, + "TIMER CHECK SKIP: now_atm=%" PRId64 " min_timer=%" PRId64, + now_atm, min_timer); + } + return 0; + } + grpc_error *shutdown_error = gpr_time_cmp(now, gpr_inf_future(now.clock_type)) != 0 ? GRPC_ERROR_NONE : GRPC_ERROR_CREATE_FROM_STATIC_STRING("Shutting down timer system"); + // tracing if (grpc_timer_check_trace) { char *next_str; |