diff options
Diffstat (limited to 'test/cpp/microbenchmarks/bm_cq_multiple_threads.cc')
-rw-r--r-- | test/cpp/microbenchmarks/bm_cq_multiple_threads.cc | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc b/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc index 9d7f65d292..3362510e5a 100644 --- a/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc +++ b/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc @@ -79,10 +79,16 @@ static void cq_done_cb(grpc_exec_ctx* exec_ctx, void* done_arg, gpr_free(cq_completion); } -/* Queues a completion tag. ZERO polling overhead */ +/* Queues a completion tag if deadline is > 0. + * Does nothing if deadline is 0 (i.e gpr_time_0(GPR_CLOCK_MONOTONIC)) */ static grpc_error* pollset_work(grpc_exec_ctx* exec_ctx, grpc_pollset* ps, grpc_pollset_worker** worker, gpr_timespec now, gpr_timespec deadline) { + if (gpr_time_cmp(deadline, gpr_time_0(GPR_CLOCK_MONOTONIC)) == 0) { + gpr_log(GPR_ERROR, "no-op"); + return GRPC_ERROR_NONE; + } + gpr_mu_unlock(&ps->mu); grpc_cq_begin_op(g_cq, g_tag); grpc_cq_end_op(exec_ctx, g_cq, g_tag, GRPC_ERROR_NONE, cq_done_cb, NULL, @@ -113,6 +119,14 @@ static void setup() { static void teardown() { grpc_completion_queue_shutdown(g_cq); + + /* Drain any events */ + gpr_timespec deadline = gpr_time_0(GPR_CLOCK_MONOTONIC); + while (grpc_completion_queue_next(g_cq, deadline, NULL).type != + GRPC_QUEUE_SHUTDOWN) { + /* Do nothing */ + } + grpc_completion_queue_destroy(g_cq); } |