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-rw-r--r--content/app/content_main_runner.cc14
1 files changed, 14 insertions, 0 deletions
diff --git a/content/app/content_main_runner.cc b/content/app/content_main_runner.cc
index 88a72e8..58dc14b 100644
--- a/content/app/content_main_runner.cc
+++ b/content/app/content_main_runner.cc
@@ -4,6 +4,8 @@
#include "content/public/app/content_main_runner.h"
+#include <stdlib.h>
+
#include "base/allocator/allocator_extension.h"
#include "base/at_exit.h"
#include "base/command_line.h"
@@ -17,6 +19,7 @@
#include "base/metrics/stats_table.h"
#include "base/path_service.h"
#include "base/process_util.h"
+#include "base/profiler/alternate_timer.h"
#include "base/stringprintf.h"
#include "base/string_number_conversions.h"
#include "content/browser/browser_main.h"
@@ -450,6 +453,17 @@ static void ReleaseFreeMemoryThunk() {
// On windows, we've already set these thunks up in _heap_init()
base::allocator::SetGetStatsFunction(GetStatsThunk);
base::allocator::SetReleaseFreeMemoryFunction(ReleaseFreeMemoryThunk);
+
+ // Provide optional hook for monitoring allocation quantities on a
+ // per-thread basis. Only set the hook if the environment indicates this
+ // needs to be enabled.
+ const char* profiling = getenv(tracked_objects::kAlternateProfilerTime);
+ if (profiling &&
+ (atoi(profiling) == tracked_objects::TIME_SOURCE_TYPE_TCMALLOC)) {
+ tracked_objects::SetAlternateTimeSource(
+ MallocExtension::GetBytesAllocatedOnCurrentThread,
+ tracked_objects::TIME_SOURCE_TYPE_TCMALLOC);
+ }
#endif
// On Android,