FDRBlockVerifierTest.cpp
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//===- llvm/unittest/XRay/FDRBlockVerifierTest.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 "llvm/Testing/Support/Error.h"
#include "llvm/XRay/BlockIndexer.h"
#include "llvm/XRay/BlockVerifier.h"
#include "llvm/XRay/FDRLogBuilder.h"
#include "llvm/XRay/FDRRecords.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace llvm {
namespace xray {
namespace {
using ::testing::ElementsAre;
using ::testing::Not;
using ::testing::SizeIs;
TEST(FDRBlockVerifierTest, ValidBlocksV3) {
auto Block0 = LogBuilder()
.add<BufferExtents>(80)
.add<NewBufferRecord>(1)
.add<WallclockRecord>(1, 2)
.add<PIDRecord>(1)
.add<NewCPUIDRecord>(1, 2)
.add<FunctionRecord>(RecordTypes::ENTER, 1, 1)
.add<FunctionRecord>(RecordTypes::EXIT, 1, 100)
.consume();
auto Block1 = LogBuilder()
.add<BufferExtents>(80)
.add<NewBufferRecord>(1)
.add<WallclockRecord>(1, 2)
.add<PIDRecord>(1)
.add<NewCPUIDRecord>(1, 2)
.add<FunctionRecord>(RecordTypes::ENTER, 1, 1)
.add<FunctionRecord>(RecordTypes::EXIT, 1, 100)
.consume();
auto Block2 = LogBuilder()
.add<BufferExtents>(80)
.add<NewBufferRecord>(2)
.add<WallclockRecord>(1, 2)
.add<PIDRecord>(1)
.add<NewCPUIDRecord>(2, 2)
.add<FunctionRecord>(RecordTypes::ENTER, 1, 1)
.add<FunctionRecord>(RecordTypes::EXIT, 1, 100)
.consume();
BlockIndexer::Index Index;
BlockIndexer Indexer(Index);
for (auto B : {std::ref(Block0), std::ref(Block1), std::ref(Block2)}) {
for (auto &R : B.get())
ASSERT_FALSE(errorToBool(R->apply(Indexer)));
ASSERT_FALSE(errorToBool(Indexer.flush()));
}
BlockVerifier Verifier;
for (auto &ProcessThreadBlocks : Index) {
auto &Blocks = ProcessThreadBlocks.second;
for (auto &B : Blocks) {
for (auto *R : B.Records)
ASSERT_FALSE(errorToBool(R->apply(Verifier)));
ASSERT_FALSE(errorToBool(Verifier.verify()));
Verifier.reset();
}
}
}
TEST(FDRBlockVerifierTest, MissingPIDRecord) {
auto Block = LogBuilder()
.add<BufferExtents>(20)
.add<NewBufferRecord>(1)
.add<WallclockRecord>(1, 2)
.add<NewCPUIDRecord>(1, 2)
.add<FunctionRecord>(RecordTypes::ENTER, 1, 1)
.add<FunctionRecord>(RecordTypes::EXIT, 1, 100)
.consume();
BlockVerifier Verifier;
for (auto &R : Block)
ASSERT_FALSE(errorToBool(R->apply(Verifier)));
ASSERT_FALSE(errorToBool(Verifier.verify()));
}
TEST(FDRBlockVerifierTest, MissingBufferExtents) {
auto Block = LogBuilder()
.add<NewBufferRecord>(1)
.add<WallclockRecord>(1, 2)
.add<NewCPUIDRecord>(1, 2)
.add<FunctionRecord>(RecordTypes::ENTER, 1, 1)
.add<FunctionRecord>(RecordTypes::EXIT, 1, 100)
.consume();
BlockVerifier Verifier;
for (auto &R : Block)
ASSERT_FALSE(errorToBool(R->apply(Verifier)));
ASSERT_FALSE(errorToBool(Verifier.verify()));
}
TEST(FDRBlockVerifierTest, IgnoreRecordsAfterEOB) {
auto Block = LogBuilder()
.add<NewBufferRecord>(1)
.add<WallclockRecord>(1, 2)
.add<NewCPUIDRecord>(1, 2)
.add<EndBufferRecord>()
.add<FunctionRecord>(RecordTypes::ENTER, 1, 1)
.add<FunctionRecord>(RecordTypes::EXIT, 1, 100)
.consume();
BlockVerifier Verifier;
for (auto &R : Block)
ASSERT_FALSE(errorToBool(R->apply(Verifier)));
ASSERT_FALSE(errorToBool(Verifier.verify()));
}
TEST(FDRBlockVerifierTest, MalformedV2) {
auto Block = LogBuilder()
.add<NewBufferRecord>(1)
.add<WallclockRecord>(1, 2)
.add<NewCPUIDRecord>(1, 2)
.add<FunctionRecord>(RecordTypes::ENTER, 1, 1)
.add<FunctionRecord>(RecordTypes::EXIT, 1, 100)
.add<NewBufferRecord>(2)
.consume();
BlockVerifier Verifier;
ASSERT_THAT(Block, SizeIs(6u));
EXPECT_THAT_ERROR(Block[0]->apply(Verifier), Succeeded());
EXPECT_THAT_ERROR(Block[1]->apply(Verifier), Succeeded());
EXPECT_THAT_ERROR(Block[2]->apply(Verifier), Succeeded());
EXPECT_THAT_ERROR(Block[3]->apply(Verifier), Succeeded());
EXPECT_THAT_ERROR(Block[4]->apply(Verifier), Succeeded());
EXPECT_THAT_ERROR(Block[5]->apply(Verifier), Failed());
}
} // namespace
} // namespace xray
} // namespace llvm