#ifndef LLVM_SUPPORT_TIMER_H
#define LLVM_SUPPORT_TIMER_H
-#include "llvm/System/DataTypes.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/DataTypes.h"
#include <cassert>
#include <string>
-#include <vector>
#include <utility>
+#include <vector>
namespace llvm {
std::string Name; // The name of this time variable.
bool Started; // Has this time variable ever been started?
TimerGroup *TG; // The TimerGroup this Timer is in.
+
+ Timer **Prev, *Next; // Doubly linked list of timers in the group.
public:
- explicit Timer(const std::string &N) : TG(0) { init(N); }
- Timer(const std::string &N, TimerGroup &tg) : TG(0) { init(N, tg); }
+ explicit Timer(StringRef N) : TG(0) { init(N); }
+ Timer(StringRef N, TimerGroup &tg) : TG(0) { init(N, tg); }
Timer(const Timer &RHS) : TG(0) {
assert(RHS.TG == 0 && "Can only copy uninitialized timers");
}
// Create an uninitialized timer, client must use 'init'.
explicit Timer() : TG(0) {}
- void init(const std::string &N);
- void init(const std::string &N, TimerGroup &tg);
+ void init(StringRef N);
+ void init(StringRef N, TimerGroup &tg);
const std::string &getName() const { return Name; }
bool isInitialized() const { return TG != 0; }
///
class TimeRegion {
Timer *T;
- TimeRegion(const TimeRegion &); // DO NOT IMPLEMENT
+ TimeRegion(const TimeRegion &) LLVM_DELETED_FUNCTION;
public:
explicit TimeRegion(Timer &t) : T(&t) {
T->startTimer();
}
explicit TimeRegion(Timer *t) : T(t) {
- if (T)
- T->startTimer();
+ if (T) T->startTimer();
}
~TimeRegion() {
- if (T)
- T->stopTimer();
+ if (T) T->stopTimer();
}
};
/// is primarily used for debugging and for hunting performance problems.
///
struct NamedRegionTimer : public TimeRegion {
- explicit NamedRegionTimer(const std::string &Name);
- explicit NamedRegionTimer(const std::string &Name,
- const std::string &GroupName);
+ explicit NamedRegionTimer(StringRef Name,
+ bool Enabled = true);
+ explicit NamedRegionTimer(StringRef Name, StringRef GroupName,
+ bool Enabled = true);
};
///
class TimerGroup {
std::string Name;
- unsigned NumTimers;
+ Timer *FirstTimer; // First timer in the group.
std::vector<std::pair<TimeRecord, std::string> > TimersToPrint;
+
+ TimerGroup **Prev, *Next; // Doubly linked list of TimerGroup's.
+ TimerGroup(const TimerGroup &TG) LLVM_DELETED_FUNCTION;
+ void operator=(const TimerGroup &TG) LLVM_DELETED_FUNCTION;
public:
- explicit TimerGroup(const std::string &name) : Name(name), NumTimers(0) {}
- explicit TimerGroup() : NumTimers(0) {}
+ explicit TimerGroup(StringRef name);
+ ~TimerGroup();
+
+ void setName(StringRef name) { Name.assign(name.begin(), name.end()); }
+
+ /// print - Print any started timers in this group and zero them.
+ void print(raw_ostream &OS);
- void setName(const std::string &name) { Name = name; }
+ /// printAll - This static method prints all timers and clears them all out.
+ static void printAll(raw_ostream &OS);
- ~TimerGroup() {
- assert(NumTimers == 0 &&
- "TimerGroup destroyed before all contained timers!");
- }
-
private:
friend class Timer;
- void addTimer();
- void removeTimer();
- void addTimerToPrint(const TimeRecord &T, const std::string &Name);
+ void addTimer(Timer &T);
+ void removeTimer(Timer &T);
+ void PrintQueuedTimers(raw_ostream &OS);
};
} // End llvm namespace