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//===-- PerfHelperTest.cpp --------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "PerfHelper.h"
#include "llvm/Config/config.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace llvm {
namespace exegesis {
namespace pfm {
namespace {
using ::testing::IsEmpty;
using ::testing::Not;
TEST(PerfHelperTest, FunctionalTest) {
#ifdef HAVE_LIBPFM
ASSERT_FALSE(pfmInitialize());
const PerfEvent SingleEvent("CYCLES:u");
const auto &EmptyFn = []() {};
std::string CallbackEventName;
std::string CallbackEventNameFullyQualifed;
int64_t CallbackEventCycles;
Measure(llvm::makeArrayRef(SingleEvent),
[&](const PerfEvent &Event, int64_t Value) {
CallbackEventName = Event.name();
CallbackEventNameFullyQualifed = Event.getPfmEventString();
CallbackEventCycles = Value;
},
EmptyFn);
EXPECT_EQ(CallbackEventName, "CYCLES:u");
EXPECT_THAT(CallbackEventNameFullyQualifed, Not(IsEmpty()));
pfmTerminate();
#else
ASSERT_TRUE(pfmInitialize());
#endif
}
} // namespace
} // namespace pfm
} // namespace exegesis
} // namespace llvm
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