136d27ab4d
This patch does the same thing as r365595 to other subdirectories, which completes the naming style change for the entire lld directory. With this, the naming style conversion is complete for lld. Differential Revision: https://reviews.llvm.org/D64473 llvm-svn: 365730
80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
//===- Timer.cpp ----------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lld/Common/Timer.h"
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#include "lld/Common/ErrorHandler.h"
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#include "llvm/Support/Format.h"
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using namespace lld;
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using namespace llvm;
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ScopedTimer::ScopedTimer(Timer &t) : t(&t) { t.start(); }
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void ScopedTimer::stop() {
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if (!t)
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return;
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t->stop();
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t = nullptr;
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}
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ScopedTimer::~ScopedTimer() { stop(); }
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Timer::Timer(llvm::StringRef name) : name(name), parent(nullptr) {}
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Timer::Timer(llvm::StringRef name, Timer &parent)
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: name(name), parent(&parent) {}
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void Timer::start() {
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if (parent && total.count() == 0)
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parent->children.push_back(this);
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startTime = std::chrono::high_resolution_clock::now();
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}
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void Timer::stop() {
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total += (std::chrono::high_resolution_clock::now() - startTime);
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}
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Timer &Timer::root() {
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static Timer rootTimer("Total Link Time");
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return rootTimer;
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}
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void Timer::print() {
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double totalDuration = static_cast<double>(root().millis());
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// We want to print the grand total under all the intermediate phases, so we
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// print all children first, then print the total under that.
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for (const auto &child : children)
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child->print(1, totalDuration);
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message(std::string(49, '-'));
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root().print(0, root().millis(), false);
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}
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double Timer::millis() const {
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return std::chrono::duration_cast<std::chrono::duration<double, std::milli>>(
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total)
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.count();
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}
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void Timer::print(int depth, double totalDuration, bool recurse) const {
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double p = 100.0 * millis() / totalDuration;
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SmallString<32> str;
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llvm::raw_svector_ostream stream(str);
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std::string s = std::string(depth * 2, ' ') + name + std::string(":");
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stream << format("%-30s%5d ms (%5.1f%%)", s.c_str(), (int)millis(), p);
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message(str);
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if (recurse) {
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for (const auto &child : children)
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child->print(depth + 1, totalDuration);
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}
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}
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