From 49a2e9b6736355ccf7a836784f8fc214458c16bc Mon Sep 17 00:00:00 2001
Date: Wed, 22 Apr 2020 17:51:21 +0000
Subject: [PATCH] 6858051: Add a switch for the dynamic thread related log

Summary: <gc>: Add a switch for the dynamic thread related log
LLT: hotspot/test/gc/ergonomics/TestDynamicNumberOfGCThreads.java
Bug url: https://bugs.openjdk.java.net/browse/JDK-6858051
---
 hotspot/src/share/vm/gc_implementation/shared/workerManager.hpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/hotspot/src/share/vm/gc_implementation/shared/workerManager.hpp b/hotspot/src/share/vm/gc_implementation/shared/workerManager.hpp
index 1a840cf2b..d48d60f3e 100644
--- a/hotspot/src/share/vm/gc_implementation/shared/workerManager.hpp
+++ b/hotspot/src/share/vm/gc_implementation/shared/workerManager.hpp
@@ -67,9 +67,11 @@ class WorkerManager : public AllStatic {
       os::start_thread(new_worker);
     }
 
-    gclog_or_tty->print_cr("AdaptiveSizePolicy::add_workers() : "
-       "active_workers: %u created_workers: %u",
-       active_workers, created_workers);
+    if (TraceDynamicGCThreads) {
+      gclog_or_tty->print_cr("AdaptiveSizePolicy::add_workers() : "
+         "active_workers: %u created_workers: %u",
+         active_workers, created_workers);
+    }
 
     return created_workers;
   }
-- 
2.12.3