727f153b6f
The classes used to print and update time information are in common, so other linkers could use this as well if desired. Differential Revision: https://reviews.llvm.org/D41915 llvm-svn: 322736
60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
//===- Timer.h ----------------------------------------------*- C++ -*-===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLD_COMMON_TIMER_H
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#define LLD_COMMON_TIMER_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/StringRef.h"
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#include <assert.h>
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#include <chrono>
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#include <map>
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#include <memory>
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namespace lld {
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class Timer;
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struct ScopedTimer {
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explicit ScopedTimer(Timer &T);
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~ScopedTimer();
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void stop();
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Timer *T = nullptr;
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};
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class Timer {
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public:
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Timer(llvm::StringRef Name, Timer &Parent);
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static Timer &root();
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void start();
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void stop();
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void print();
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double millis() const;
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private:
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explicit Timer(llvm::StringRef Name);
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void print(int Depth, double TotalDuration, bool Recurse = true) const;
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std::chrono::time_point<std::chrono::high_resolution_clock> StartTime;
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std::chrono::nanoseconds Total;
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std::vector<Timer *> Children;
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std::string Name;
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Timer *Parent;
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};
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} // namespace lld
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#endif
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