From bade70cf3b7b55c61879b2773910606e2fa1b76c Mon Sep 17 00:00:00 2001
From: Yang Liming <liming.yang@139.com>
Date: Tue, 30 Sep 2025 14:19:58 +0800
Subject: [PATCH] add flag for brpc timer buckets count

---
 src/bthread/timer_thread.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/bthread/timer_thread.cpp b/src/bthread/timer_thread.cpp
index 8d61b85735..bd1f4870c1 100644
--- a/src/bthread/timer_thread.cpp
+++ b/src/bthread/timer_thread.cpp
@@ -19,6 +19,7 @@
 
 
 #include <queue>                           // heap functions
+#include <gflags/gflags.h>
 #include "butil/scoped_lock.h"
 #include "butil/logging.h"
 #include "butil/third_party/murmurhash3/murmurhash3.h"   // fmix64
@@ -31,6 +32,8 @@
 
 namespace bthread {
 
+DEFINE_uint32(brpc_timer_num_buckets, 13, "brpc timer num buckets");
+
 // Defined in task_control.cpp
 void run_worker_startfn();
 
@@ -469,6 +472,7 @@ static void init_global_timer_thread() {
     }
     TimerThreadOptions options;
     options.bvar_prefix = "bthread_timer";
+    options.num_buckets = FLAGS_brpc_timer_num_buckets;
     const int rc = g_timer_thread->start(&options);
     if (rc != 0) {
         LOG(FATAL) << "Fail to start timer_thread, " << berror(rc);