finally, maintain a global list of timer groups, allowing us to
implement TimerGroup::printAll, which prints and resets all active
timers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99876 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Timer.cpp b/lib/Support/Timer.cpp
index ace9158..5b17a26 100644
--- a/lib/Support/Timer.cpp
+++ b/lib/Support/Timer.cpp
@@ -239,11 +239,33 @@
// TimerGroup Implementation
//===----------------------------------------------------------------------===//
+/// TimerGroupList - This is the global list of TimerGroups, maintained by the
+/// TimerGroup ctor/dtor and is protected by the TimerLock lock.
+static TimerGroup *TimerGroupList = 0;
+
+TimerGroup::TimerGroup(const std::string &name)
+ : Name(name), FirstTimer(0) {
+
+ // Add the group to TimerGroupList.
+ sys::SmartScopedLock<true> L(*TimerLock);
+ if (TimerGroupList)
+ TimerGroupList->Prev = &Next;
+ Next = TimerGroupList;
+ Prev = &TimerGroupList;
+ TimerGroupList = this;
+}
+
TimerGroup::~TimerGroup() {
// If the timer group is destroyed before the timers it owns, accumulate and
// print the timing data.
while (FirstTimer != 0)
removeTimer(*FirstTimer);
+
+ // Remove the group from the TimerGroupList.
+ sys::SmartScopedLock<true> L(*TimerLock);
+ *Prev = Next;
+ if (Next)
+ Next->Prev = Prev;
}
@@ -352,3 +374,11 @@
if (!TimersToPrint.empty())
PrintQueuedTimers(OS);
}
+
+/// printAll - This static method prints all timers and clears them all out.
+void TimerGroup::printAll(raw_ostream &OS) {
+ sys::SmartScopedLock<true> L(*TimerLock);
+
+ for (TimerGroup *TG = TimerGroupList; TG; TG = TG->Next)
+ TG->print(OS);
+}