Track where combiners are initiated in latency traces

7 years ago · 2638cd9ff5
parent 313db433f2
commit 2638cd9ff5
1 changed files with 1 additions and 0 deletions
--- a/src/core/lib/iomgr/combiner.cc
+++ b/src/core/lib/iomgr/combiner.cc
@ -165,6 +165,7 @@ static void combiner_exec(grpc_exec_ctx *exec_ctx, grpc_closure *cl,
                              lock, cl, last));
  if (last == 1) {
    GRPC_STATS_INC_COMBINER_LOCKS_INITIATED(exec_ctx);
+    GPR_TIMER_MARK("combiner.initiated", 0);
    gpr_atm_no_barrier_store(&lock->initiating_exec_ctx_or_null,
                             (gpr_atm)exec_ctx);
    // first element on this list: add it to the list of combiner locks