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86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
//===-- timing_test.cpp -----------------------------------------*- C++ -*-===//
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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 "tests/scudo_unit_test.h"
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#include "timing.h"
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#include <string>
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class ScudoTimingTest : public Test {
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public:
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void testFunc1() { scudo::ScopedTimer ST(Manager, __func__); }
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void testFunc2() {
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scudo::ScopedTimer ST(Manager, __func__);
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testFunc1();
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}
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void testChainedCalls() {
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scudo::ScopedTimer ST(Manager, __func__);
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testFunc2();
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}
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void testIgnoredTimer() {
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scudo::ScopedTimer ST(Manager, __func__);
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ST.ignore();
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}
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void printAllTimersStats() { Manager.printAll(); }
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scudo::TimingManager &getTimingManager() { return Manager; }
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private:
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scudo::TimingManager Manager;
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};
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// Given that the output of statistics of timers are dumped through
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// `scudo::Printf` which is platform dependent, so we don't have a reliable way
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// to catch the output and verify the details. Now we only verify the number of
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// invocations on linux.
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TEST_F(ScudoTimingTest, SimpleTimer) {
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#if SCUDO_LINUX
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testing::internal::LogToStderr();
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testing::internal::CaptureStderr();
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#endif
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testIgnoredTimer();
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testChainedCalls();
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printAllTimersStats();
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#if SCUDO_LINUX
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std::string output = testing::internal::GetCapturedStderr();
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EXPECT_TRUE(output.find("testIgnoredTimer (1)") == std::string::npos);
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EXPECT_TRUE(output.find("testChainedCalls (1)") != std::string::npos);
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EXPECT_TRUE(output.find("testFunc2 (1)") != std::string::npos);
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EXPECT_TRUE(output.find("testFunc1 (1)") != std::string::npos);
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#endif
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}
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TEST_F(ScudoTimingTest, NestedTimer) {
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#if SCUDO_LINUX
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testing::internal::LogToStderr();
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testing::internal::CaptureStderr();
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#endif
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{
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scudo::ScopedTimer Outer(getTimingManager(), "Outer");
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{
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scudo::ScopedTimer Inner1(getTimingManager(), Outer, "Inner1");
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{ scudo::ScopedTimer Inner2(getTimingManager(), Inner1, "Inner2"); }
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}
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}
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printAllTimersStats();
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#if SCUDO_LINUX
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std::string output = testing::internal::GetCapturedStderr();
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EXPECT_TRUE(output.find("Outer (1)") != std::string::npos);
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EXPECT_TRUE(output.find("Inner1 (1)") != std::string::npos);
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EXPECT_TRUE(output.find("Inner2 (1)") != std::string::npos);
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#endif
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}
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