From 54ca2d48eec947d6fa8c839b1460b66a487debba Mon Sep 17 00:00:00 2001
From: Hannes Verschore <hv1989@gmail.com>
Date: Fri, 19 Jul 2013 10:41:32 -0700
Subject: [PATCH] Bug 895019 - Tracelogger: Add logger for minor gc, r=jandem

---
 js/src/TraceLogging.cpp | 2 ++
 js/src/TraceLogging.h   | 2 ++
 js/src/jsgc.cpp         | 5 +++++
 3 files changed, 9 insertions(+)

diff --git a/js/src/TraceLogging.cpp b/js/src/TraceLogging.cpp
index 5c0e3a68eee2..954581aa0bc2 100644
--- a/js/src/TraceLogging.cpp
+++ b/js/src/TraceLogging.cpp
@@ -70,6 +70,8 @@ const char* const TraceLogging::type_name[] = {
     "stop,yarr_jit_execute",
     "start,gc",
     "stop,gc",
+    "start,minor_gc",
+    "stop,minor_gc",
     "info,engine,interpreter",
     "info,engine,baseline",
     "info,engine,ionmonkey"
diff --git a/js/src/TraceLogging.h b/js/src/TraceLogging.h
index 63052777a0d7..876d551477b8 100644
--- a/js/src/TraceLogging.h
+++ b/js/src/TraceLogging.h
@@ -23,6 +23,8 @@ class TraceLogging
         YARR_JIT_STOP,
         GC_START,
         GC_STOP,
+        MINOR_GC_START,
+        MINOR_GC_STOP,
         INFO_ENGINE_INTERPRETER,
         INFO_ENGINE_BASELINE,
         INFO_ENGINE_IONMONKEY,
diff --git a/js/src/jsgc.cpp b/js/src/jsgc.cpp
index 0d3b8b8bc36c..38ad58983ecc 100644
--- a/js/src/jsgc.cpp
+++ b/js/src/jsgc.cpp
@@ -4677,6 +4677,11 @@ void
 js::MinorGC(JSRuntime *rt, JS::gcreason::Reason reason)
 {
 #ifdef JSGC_GENERATIONAL
+#if JS_TRACE_LOGGING
+    AutoTraceLog logger(TraceLogging::defaultLogger(),
+                        TraceLogging::MINOR_GC_START,
+                        TraceLogging::MINOR_GC_STOP);
+#endif
     rt->gcNursery.collect(rt, reason);
 #endif
 }