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/*
* Copyright (C) 2016 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 <gtest/gtest.h>
#include <android-base/file.h>
#include "command.h"
#include "get_test_data.h"
static std::unique_ptr<Command> ReportSampleCmd() {
return CreateCommandInstance("report-sample");
}
TEST(cmd_report_sample, text) {
ASSERT_TRUE(
ReportSampleCmd()->Run({"-i", GetTestData(PERF_DATA_WITH_SYMBOLS)}));
}
TEST(cmd_report_sample, output_option) {
TemporaryFile tmpfile;
ASSERT_TRUE(ReportSampleCmd()->Run(
{"-i", GetTestData(PERF_DATA_WITH_SYMBOLS), "-o", tmpfile.path}));
}
TEST(cmd_report_sample, show_callchain_option) {
TemporaryFile tmpfile;
ASSERT_TRUE(ReportSampleCmd()->Run({"-i", GetTestData(CALLGRAPH_FP_PERF_DATA),
"-o", tmpfile.path, "--show-callchain"}));
}
static void GetProtobufReport(const std::string& test_data_file, std::string* protobuf_report,
const std::vector<std::string>& extra_args = {}) {
TemporaryFile tmpfile;
TemporaryFile tmpfile2;
std::vector<std::string> args = {"-i", GetTestData(test_data_file), "-o", tmpfile.path,
"--protobuf"};
args.insert(args.end(), extra_args.begin(), extra_args.end());
ASSERT_TRUE(ReportSampleCmd()->Run(args));
ASSERT_TRUE(ReportSampleCmd()->Run({"--dump-protobuf-report", tmpfile.path,
"-o", tmpfile2.path}));
ASSERT_TRUE(android::base::ReadFileToString(tmpfile2.path, protobuf_report));
}
TEST(cmd_report_sample, protobuf_option) {
std::string data;
GetProtobufReport(PERF_DATA_WITH_SYMBOLS, &data);
ASSERT_NE(data.find("magic: SIMPLEPERF"), std::string::npos);
ASSERT_NE(data.find("version: 1"), std::string::npos);
ASSERT_NE(data.find("file:"), std::string::npos);
}
TEST(cmd_report_sample, no_skipped_file_id) {
std::string data;
GetProtobufReport(PERF_DATA_WITH_WRONG_IP_IN_CALLCHAIN, &data);
// If wrong ips in callchain are omitted, "unknown" file path will not be generated.
ASSERT_EQ(data.find("unknown"), std::string::npos);
}
TEST(cmd_report_sample, sample_has_event_count) {
std::string data;
GetProtobufReport(PERF_DATA_WITH_SYMBOLS, &data);
ASSERT_NE(data.find("event_count:"), std::string::npos);
}
TEST(cmd_report_sample, has_thread_record) {
std::string data;
GetProtobufReport(PERF_DATA_WITH_SYMBOLS, &data);
ASSERT_NE(data.find("thread:"), std::string::npos);
}
TEST(cmd_report_sample, trace_offcpu) {
std::string data;
GetProtobufReport(PERF_DATA_WITH_TRACE_OFFCPU, &data);
ASSERT_NE(data.find("event_type: sched:sched_switch"), std::string::npos);
}
TEST(cmd_report_sample, have_clear_callchain_end_in_protobuf_output) {
std::string data;
GetProtobufReport(PERF_DATA_WITH_TRACE_OFFCPU, &data, {"--show-callchain"});
ASSERT_NE(data.find("__libc_init"), std::string::npos);
ASSERT_EQ(data.find("_start_main"), std::string::npos);
}
TEST(cmd_report_sample, app_package_name_in_meta_info) {
std::string data;
GetProtobufReport(PERF_DATA_WITH_APP_PACKAGE_NAME, &data);
ASSERT_NE(data.find("app_package_name: com.google.sample.tunnel"), std::string::npos);
}
TEST(cmd_report_sample, remove_unknown_kernel_symbols) {
std::string data;
// Test --remove-unknown-kernel-symbols on perf.data with kernel_symbols_available=false.
GetProtobufReport(PERF_DATA_WITH_KERNEL_SYMBOLS_AVAILABLE_FALSE, &data,
{"--show-callchain"});
ASSERT_NE(data.find("time: 1368182962424044"), std::string::npos);
ASSERT_NE(data.find("path: [kernel.kallsyms]"), std::string::npos);
ASSERT_NE(data.find("path: /system/lib64/libc.so"), std::string::npos);
GetProtobufReport(PERF_DATA_WITH_KERNEL_SYMBOLS_AVAILABLE_FALSE, &data,
{"--show-callchain", "--remove-unknown-kernel-symbols"});
// The sample dumped at time 1368182962424044 shouldn't be removed. Because it has user space
// callchains.
ASSERT_NE(data.find("time: 1368182962424044"), std::string::npos);
// Kernel callchains shouldn't be removed.
ASSERT_EQ(data.find("path: [kernel.kallsyms]"), std::string::npos);
// User space callchains still exist.
ASSERT_NE(data.find("path: /system/lib64/libc.so"), std::string::npos);
// Test --remove-unknown-kernel-symbols on perf.data with kernel_symbols_available=true.
GetProtobufReport(PERF_DATA_WITH_KERNEL_SYMBOLS_AVAILABLE_TRUE, &data,
{"--show-callchain"});
ASSERT_NE(data.find("time: 1368297633794862"), std::string::npos);
ASSERT_NE(data.find("path: [kernel.kallsyms]"), std::string::npos);
ASSERT_NE(data.find("symbol: binder_ioctl_write_read"), std::string::npos);
ASSERT_NE(data.find("path: /system/lib64/libc.so"), std::string::npos);
GetProtobufReport(PERF_DATA_WITH_KERNEL_SYMBOLS_AVAILABLE_TRUE, &data,
{"--show-callchain", "--remove-unknown-kernel-symbols"});
ASSERT_NE(data.find("time: 1368297633794862"), std::string::npos);
ASSERT_NE(data.find("path: [kernel.kallsyms]"), std::string::npos);
ASSERT_NE(data.find("symbol: binder_ioctl_write_read"), std::string::npos);
ASSERT_NE(data.find("path: /system/lib64/libc.so"), std::string::npos);
}
TEST(cmd_report_sample, show_art_frames_option) {
std::string data;
GetProtobufReport(PERF_DATA_WITH_INTERPRETER_FRAMES, &data, {"--show-callchain"});
ASSERT_EQ(data.find("artMterpAsmInstructionStart"), std::string::npos);
GetProtobufReport(PERF_DATA_WITH_INTERPRETER_FRAMES, &data,
{"--show-callchain", "--show-art-frames"});
ASSERT_NE(data.find("artMterpAsmInstructionStart"), std::string::npos);
}
TEST(cmd_report_sample, show_symbols_before_and_after_demangle) {
std::string data;
GetProtobufReport(PERF_DATA_WITH_INTERPRETER_FRAMES, &data, {"--show-callchain"});
ASSERT_NE(data.find("symbol: android::hardware::IPCThreadState::talkWithDriver(bool)"),
std::string::npos);
ASSERT_NE(data.find("mangled_symbol: _ZN7android8hardware14IPCThreadState14talkWithDriverEb"),
std::string::npos);
}
TEST(cmd_report_sample, symdir_option) {
std::string data;
GetProtobufReport(PERF_DATA_FOR_BUILD_ID_CHECK, &data);
ASSERT_EQ(data.find("symbol: main"), std::string::npos);
GetProtobufReport(PERF_DATA_FOR_BUILD_ID_CHECK, &data,
{"--symdir", GetTestDataDir() + CORRECT_SYMFS_FOR_BUILD_ID_CHECK});
ASSERT_NE(data.find("symbol: main"), std::string::npos);
}
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