1 //===-- PerfHelperTest.cpp --------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "PerfHelper.h"
10 #include "llvm/Config/config.h"
11 #include "gmock/gmock.h"
12 #include "gtest/gtest.h"
13 
14 namespace llvm {
15 namespace exegesis {
16 namespace pfm {
17 namespace {
18 
19 using ::testing::IsEmpty;
20 using ::testing::Not;
21 
TEST(PerfHelperTest,FunctionalTest)22 TEST(PerfHelperTest, FunctionalTest) {
23 #ifdef HAVE_LIBPFM
24   ASSERT_FALSE(pfmInitialize());
25   PerfEvent Event("CYCLES:u");
26   ASSERT_TRUE(Event.valid());
27   EXPECT_EQ(Event.name(), "CYCLES:u");
28   EXPECT_THAT(Event.getPfmEventString(), Not(IsEmpty()));
29   Counter Cnt(std::move(Event));
30   Cnt.start();
31   Cnt.stop();
32   Cnt.read();
33   pfmTerminate();
34 #else
35   ASSERT_TRUE(pfmInitialize());
36 #endif
37 }
38 
39 } // namespace
40 } // namespace pfm
41 } // namespace exegesis
42 } // namespace llvm
43