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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android-base/file.h>
#include <gtest/gtest.h>
#include "cmd_inject_impl.h"
#include "command.h"
#include "get_test_data.h"
#include "test_util.h"
#include "utils.h"
using namespace simpleperf;
static std::unique_ptr<Command> InjectCmd() {
return CreateCommandInstance("inject");
}
static bool RunInjectCmd(std::vector<std::string>&& args) {
bool has_input = std::find(args.begin(), args.end(), "-i") != args.end();
if (!has_input) {
args.insert(args.end(), {"-i", GetTestData(PERF_DATA_ETM_TEST_LOOP)});
}
args.insert(args.end(), {"--symdir", GetTestDataDir() + "etm"});
return InjectCmd()->Run(args);
}
static bool RunInjectCmd(std::vector<std::string>&& args, std::string* output) {
TemporaryFile tmpfile;
close(tmpfile.release());
args.insert(args.end(), {"-o", tmpfile.path});
if (!RunInjectCmd(std::move(args))) {
return false;
}
if (output != nullptr) {
return android::base::ReadFileToString(tmpfile.path, output);
}
return true;
}
static void CheckMatchingExpectedData(std::string& data) {
std::string expected_data;
ASSERT_TRUE(android::base::ReadFileToString(
GetTestData(std::string("etm") + OS_PATH_SEPARATOR + "perf_inject.data"), &expected_data));
data.erase(std::remove(data.begin(), data.end(), '\r'), data.end());
ASSERT_EQ(data, expected_data);
}
TEST(cmd_inject, smoke) {
std::string data;
ASSERT_TRUE(RunInjectCmd({}, &data));
// Test that we can find instr range in etm_test_loop binary.
ASSERT_NE(data.find("etm_test_loop"), std::string::npos);
CheckMatchingExpectedData(data);
}
TEST(cmd_inject, binary_option) {
// Test that data for etm_test_loop is generated when selected by --binary.
std::string data;
ASSERT_TRUE(RunInjectCmd({"--binary", "etm_test_loop"}, &data));
ASSERT_NE(data.find("etm_test_loop"), std::string::npos);
// Test that data for etm_test_loop is generated when selected by regex.
ASSERT_TRUE(RunInjectCmd({"--binary", "etm_t.*_loop"}, &data));
ASSERT_NE(data.find("etm_test_loop"), std::string::npos);
// Test that data for etm_test_loop isn't generated when not selected by --binary.
ASSERT_TRUE(RunInjectCmd({"--binary", "no_etm_test_loop"}, &data));
ASSERT_EQ(data.find("etm_test_loop"), std::string::npos);
// Test that data for etm_test_loop isn't generated when not selected by regex.
ASSERT_TRUE(RunInjectCmd({"--binary", "no_etm_test_.*"}, &data));
ASSERT_EQ(data.find("etm_test_loop"), std::string::npos);
}
TEST(cmd_inject, exclude_perf_option) {
ASSERT_FALSE(RunInjectCmd({"--exclude-perf"}, nullptr));
std::string perf_with_recording_process =
GetTestData(std::string("etm") + OS_PATH_SEPARATOR + "perf_with_recording_process.data");
ASSERT_TRUE(RunInjectCmd({"--exclude-perf", "-i", perf_with_recording_process}, nullptr));
}
TEST(cmd_inject, output_option) {
TemporaryFile tmpfile;
close(tmpfile.release());
ASSERT_TRUE(RunInjectCmd({"--output", "autofdo", "-o", tmpfile.path}));
ASSERT_TRUE(RunInjectCmd({"--output", "branch-list", "-o", tmpfile.path}));
std::string autofdo_data;
ASSERT_TRUE(RunInjectCmd({"-i", tmpfile.path, "--output", "autofdo"}, &autofdo_data));
CheckMatchingExpectedData(autofdo_data);
}
TEST(cmd_inject, branch_to_proto_string) {
std::vector<bool> branch;
for (size_t i = 0; i < 100; i++) {
branch.push_back(i % 2 == 0);
std::string s = BranchToProtoString(branch);
for (size_t j = 0; j <= i; j++) {
bool b = s[j >> 3] & (1 << (j & 7));
ASSERT_EQ(b, branch[j]);
}
std::vector<bool> branch2 = ProtoStringToBranch(s, branch.size());
ASSERT_EQ(branch, branch2);
}
}
TEST(cmd_inject, skip_empty_output_file) {
TemporaryFile tmpfile;
close(tmpfile.release());
ASSERT_TRUE(RunInjectCmd(
{"--binary", "not_exist_binary", "--output", "branch-list", "-o", tmpfile.path}));
// The empty output file should not be produced.
ASSERT_FALSE(IsRegularFile(tmpfile.path));
tmpfile.DoNotRemove();
}
TEST(cmd_inject, inject_kernel_data) {
const std::string recording_file =
GetTestData(std::string("etm") + OS_PATH_SEPARATOR + "perf_kernel.data");
// Inject directly to autofdo format.
TemporaryFile tmpfile;
close(tmpfile.release());
ASSERT_TRUE(RunInjectCmd({"-i", recording_file, "-o", tmpfile.path}));
std::string autofdo_output;
ASSERT_TRUE(android::base::ReadFileToString(tmpfile.path, &autofdo_output));
ASSERT_NE(autofdo_output.find("rq_stats.ko"), std::string::npos);
// Inject through etm branch list.
TemporaryFile tmpfile2;
close(tmpfile2.release());
ASSERT_TRUE(RunInjectCmd({"-i", recording_file, "-o", tmpfile.path, "--output", "branch-list"}));
ASSERT_TRUE(RunInjectCmd({"-i", tmpfile.path, "-o", tmpfile2.path}));
std::string output;
ASSERT_TRUE(android::base::ReadFileToString(tmpfile2.path, &output));
ASSERT_EQ(output, autofdo_output);
}
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