| /* |
| * Copyright (C) 2015 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/stringprintf.h> |
| #include <android-base/test_utils.h> |
| |
| #include <memory> |
| |
| #include "command.h" |
| #include "environment.h" |
| #include "event_selection_set.h" |
| #include "get_test_data.h" |
| #include "record.h" |
| #include "record_file.h" |
| #include "test_util.h" |
| |
| using namespace PerfFileFormat; |
| |
| static std::unique_ptr<Command> RecordCmd() { |
| return CreateCommandInstance("record"); |
| } |
| |
| static bool RunRecordCmd(std::vector<std::string> v, const char* output_file = nullptr) { |
| std::unique_ptr<TemporaryFile> tmpfile; |
| std::string out_file; |
| if (output_file != nullptr) { |
| out_file = output_file; |
| } else { |
| tmpfile.reset(new TemporaryFile); |
| out_file = tmpfile->path; |
| } |
| v.insert(v.end(), {"-o", out_file, "sleep", SLEEP_SEC}); |
| return RecordCmd()->Run(v); |
| } |
| |
| TEST(record_cmd, no_options) { |
| ASSERT_TRUE(RunRecordCmd({})); |
| } |
| |
| TEST(record_cmd, system_wide_option) { |
| if (IsRoot()) { |
| ASSERT_TRUE(RunRecordCmd({"-a"})); |
| } |
| } |
| |
| TEST(record_cmd, sample_period_option) { |
| ASSERT_TRUE(RunRecordCmd({"-c", "100000"})); |
| } |
| |
| TEST(record_cmd, event_option) { |
| ASSERT_TRUE(RunRecordCmd({"-e", "cpu-clock"})); |
| } |
| |
| TEST(record_cmd, freq_option) { |
| ASSERT_TRUE(RunRecordCmd({"-f", "99"})); |
| ASSERT_TRUE(RunRecordCmd({"-F", "99"})); |
| } |
| |
| TEST(record_cmd, output_file_option) { |
| TemporaryFile tmpfile; |
| ASSERT_TRUE(RecordCmd()->Run({"-o", tmpfile.path, "sleep", SLEEP_SEC})); |
| } |
| |
| TEST(record_cmd, dump_kernel_mmap) { |
| TemporaryFile tmpfile; |
| ASSERT_TRUE(RunRecordCmd({}, tmpfile.path)); |
| std::unique_ptr<RecordFileReader> reader = RecordFileReader::CreateInstance(tmpfile.path); |
| ASSERT_TRUE(reader != nullptr); |
| std::vector<std::unique_ptr<Record>> records = reader->DataSection(); |
| ASSERT_GT(records.size(), 0U); |
| bool have_kernel_mmap = false; |
| for (auto& record : records) { |
| if (record->header.type == PERF_RECORD_MMAP) { |
| const MmapRecord* mmap_record = static_cast<const MmapRecord*>(record.get()); |
| if (mmap_record->filename == DEFAULT_KERNEL_MMAP_NAME) { |
| have_kernel_mmap = true; |
| break; |
| } |
| } |
| } |
| ASSERT_TRUE(have_kernel_mmap); |
| } |
| |
| TEST(record_cmd, dump_build_id_feature) { |
| TemporaryFile tmpfile; |
| ASSERT_TRUE(RunRecordCmd({}, tmpfile.path)); |
| std::unique_ptr<RecordFileReader> reader = RecordFileReader::CreateInstance(tmpfile.path); |
| ASSERT_TRUE(reader != nullptr); |
| const FileHeader& file_header = reader->FileHeader(); |
| ASSERT_TRUE(file_header.features[FEAT_BUILD_ID / 8] & (1 << (FEAT_BUILD_ID % 8))); |
| ASSERT_GT(reader->FeatureSectionDescriptors().size(), 0u); |
| } |
| |
| TEST(record_cmd, tracepoint_event) { |
| if (IsRoot()) { |
| ASSERT_TRUE(RunRecordCmd({"-a", "-e", "sched:sched_switch"})); |
| } |
| } |
| |
| TEST(record_cmd, branch_sampling) { |
| if (IsBranchSamplingSupported()) { |
| ASSERT_TRUE(RunRecordCmd({"-b"})); |
| ASSERT_TRUE(RunRecordCmd({"-j", "any,any_call,any_ret,ind_call"})); |
| ASSERT_TRUE(RunRecordCmd({"-j", "any,k"})); |
| ASSERT_TRUE(RunRecordCmd({"-j", "any,u"})); |
| ASSERT_FALSE(RunRecordCmd({"-j", "u"})); |
| } else { |
| GTEST_LOG_(INFO) |
| << "This test does nothing as branch stack sampling is not supported on this device."; |
| } |
| } |
| |
| TEST(record_cmd, event_modifier) { |
| ASSERT_TRUE(RunRecordCmd({"-e", "cpu-cycles:u"})); |
| } |
| |
| TEST(record_cmd, fp_callchain_sampling) { |
| ASSERT_TRUE(RunRecordCmd({"--call-graph", "fp"})); |
| } |
| |
| TEST(record_cmd, dwarf_callchain_sampling) { |
| if (IsDwarfCallChainSamplingSupported()) { |
| ASSERT_TRUE(RunRecordCmd({"--call-graph", "dwarf"})); |
| ASSERT_TRUE(RunRecordCmd({"--call-graph", "dwarf,16384"})); |
| ASSERT_TRUE(RunRecordCmd({"-g"})); |
| } else { |
| GTEST_LOG_(INFO) |
| << "This test does nothing as dwarf callchain sampling is not supported on this device."; |
| } |
| } |
| |
| TEST(record_cmd, no_unwind_option) { |
| if (IsDwarfCallChainSamplingSupported()) { |
| ASSERT_TRUE(RunRecordCmd({"--call-graph", "dwarf", "--no-unwind"})); |
| } else { |
| GTEST_LOG_(INFO) |
| << "This test does nothing as dwarf callchain sampling is not supported on this device."; |
| } |
| ASSERT_FALSE(RunRecordCmd({"--no-unwind"})); |
| } |
| |
| TEST(record_cmd, post_unwind_option) { |
| if (IsDwarfCallChainSamplingSupported()) { |
| ASSERT_TRUE(RunRecordCmd({"--call-graph", "dwarf", "--post-unwind"})); |
| } else { |
| GTEST_LOG_(INFO) |
| << "This test does nothing as dwarf callchain sampling is not supported on this device."; |
| } |
| ASSERT_FALSE(RunRecordCmd({"--post-unwind"})); |
| ASSERT_FALSE( |
| RunRecordCmd({"--call-graph", "dwarf", "--no-unwind", "--post-unwind"})); |
| } |
| |
| TEST(record_cmd, existing_processes) { |
| std::vector<std::unique_ptr<Workload>> workloads; |
| CreateProcesses(2, &workloads); |
| std::string pid_list = |
| android::base::StringPrintf("%d,%d", workloads[0]->GetPid(), workloads[1]->GetPid()); |
| ASSERT_TRUE(RunRecordCmd({"-p", pid_list})); |
| } |
| |
| TEST(record_cmd, existing_threads) { |
| std::vector<std::unique_ptr<Workload>> workloads; |
| CreateProcesses(2, &workloads); |
| // Process id can also be used as thread id in linux. |
| std::string tid_list = |
| android::base::StringPrintf("%d,%d", workloads[0]->GetPid(), workloads[1]->GetPid()); |
| TemporaryFile tmpfile; |
| ASSERT_TRUE(RunRecordCmd({"-t", tid_list})); |
| } |
| |
| TEST(record_cmd, no_monitored_threads) { |
| ASSERT_FALSE(RecordCmd()->Run({""})); |
| } |
| |
| TEST(record_cmd, more_than_one_event_types) { |
| ASSERT_TRUE(RunRecordCmd({"-e", "cpu-cycles,cpu-clock"})); |
| ASSERT_TRUE(RunRecordCmd({"-e", "cpu-cycles", "-e", "cpu-clock"})); |
| } |
| |
| TEST(record_cmd, cpu_option) { |
| ASSERT_TRUE(RunRecordCmd({"--cpu", "0"})); |
| if (IsRoot()) { |
| ASSERT_TRUE(RunRecordCmd({"--cpu", "0", "-a"})); |
| } |
| } |
| |
| TEST(record_cmd, mmap_page_option) { |
| ASSERT_TRUE(RunRecordCmd({"-m", "1"})); |
| ASSERT_FALSE(RunRecordCmd({"-m", "0"})); |
| ASSERT_FALSE(RunRecordCmd({"-m", "7"})); |
| } |