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Bug 731853 - Add way to easily log CC with AllTraces at shutdown. r=smaug

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This commit is contained in:
Andrew McCreight 2012-09-28 10:11:33 -07:00
parent 41c2b856f2
commit 99c44b89c2
1 changed files with 16 additions and 2 deletions
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18
xpcom/base/nsCycleCollector.cpp
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@ -170,6 +170,12 @@ PRThread* gCycleCollectorThread = nullptr;
// If true, always log cycle collector graphs.
const bool gAlwaysLogCCGraphs = false;
// If true, log the cycle collector graphs during shutdown.
const bool gLogShutdown = false;
// If true, any logging done at shutdown will be AllTraces.
const bool gAllTracesAtShutdown = false;
MOZ_NEVER_INLINE void
CC_AbortIfNull(void *ptr)
{
@ -1293,9 +1299,14 @@ public:
}
NS_DECL_ISUPPORTS
NS_IMETHOD AllTraces(nsICycleCollectorListener** aListener)
void SetAllTraces()
{
mWantAllTraces = true;
}
NS_IMETHOD AllTraces(nsICycleCollectorListener** aListener)
{
SetAllTraces();
NS_ADDREF(*aListener = this);
return NS_OK;
}
@ -2962,8 +2973,11 @@ nsCycleCollector::Shutdown()
#endif
{
nsCOMPtr<nsCycleCollectorLogger> listener;
if (mParams.mLogGraphs) {
if (mParams.mLogGraphs || gLogShutdown) {
listener = new nsCycleCollectorLogger();
if (gAllTracesAtShutdown) {
listener->SetAllTraces();
}
}
Collect(false, nullptr, SHUTDOWN_COLLECTIONS(mParams), listener);
}