blob: a8205f9e3eb274175eaf43e94415ba3531f91fd7 [file] [log] [blame]
//===-- PerfHelperTest.cpp --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "PerfHelper.h"
#include "llvm/Config/config.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
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