forked from OSchip/llvm-project
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
//===-- PerfHelperTest.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 "PerfHelper.h"
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#include "llvm/Config/config.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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namespace llvm {
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namespace exegesis {
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namespace pfm {
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namespace {
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using ::testing::IsEmpty;
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using ::testing::Not;
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TEST(PerfHelperTest, FunctionalTest) {
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#ifdef HAVE_LIBPFM
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ASSERT_FALSE(pfmInitialize());
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const PerfEvent SingleEvent("CYCLES:u");
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const auto &EmptyFn = []() {};
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std::string CallbackEventName;
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std::string CallbackEventNameFullyQualifed;
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int64_t CallbackEventCycles;
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Measure(
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makeArrayRef(SingleEvent),
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[&](const PerfEvent &Event, int64_t Value) {
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CallbackEventName = std::string(Event.name());
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CallbackEventNameFullyQualifed = std::string(Event.getPfmEventString());
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CallbackEventCycles = Value;
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},
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EmptyFn);
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EXPECT_EQ(CallbackEventName, "CYCLES:u");
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EXPECT_THAT(CallbackEventNameFullyQualifed, Not(IsEmpty()));
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pfmTerminate();
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#else
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ASSERT_TRUE(pfmInitialize());
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#endif
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}
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} // namespace
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} // namespace pfm
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} // namespace exegesis
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} // namespace llvm
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