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/*
* 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 "command.h"
#include "get_test_data.h"
#include "test_util.h"
static std::unique_ptr<Command> StatCmd() {
return CreateCommandInstance("stat");
}
TEST(stat_cmd, no_options) {
ASSERT_TRUE(StatCmd()->Run({"sleep", "1"}));
}
TEST(stat_cmd, event_option) {
ASSERT_TRUE(StatCmd()->Run({"-e", "cpu-clock,task-clock", "sleep", "1"}));
}
TEST(stat_cmd, system_wide_option) {
if (IsRoot()) {
ASSERT_TRUE(StatCmd()->Run({"-a", "sleep", "1"}));
}
}
TEST(stat_cmd, verbose_option) {
ASSERT_TRUE(StatCmd()->Run({"--verbose", "sleep", "1"}));
}
TEST(stat_cmd, tracepoint_event) {
if (IsRoot()) {
ASSERT_TRUE(StatCmd()->Run({"-a", "-e", "sched:sched_switch", "sleep", "1"}));
}
}
TEST(stat_cmd, event_modifier) {
TEST_REQUIRE_HW_COUNTER();
ASSERT_TRUE(StatCmd()->Run({"-e", "cpu-cycles:u,cpu-cycles:k", "sleep", "1"}));
}
void CreateProcesses(size_t count, std::vector<std::unique_ptr<Workload>>* workloads) {
workloads->clear();
for (size_t i = 0; i < count; ++i) {
// Create a workload runs longer than profiling time.
auto workload = Workload::CreateWorkload({"sleep", "1000"});
ASSERT_TRUE(workload != nullptr);
ASSERT_TRUE(workload->Start());
workloads->push_back(std::move(workload));
}
}
TEST(stat_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(StatCmd()->Run({"-p", pid_list, "sleep", "1"}));
}
TEST(stat_cmd, existing_threads) {
std::vector<std::unique_ptr<Workload>> workloads;
CreateProcesses(2, &workloads);
// Process id can be used as thread id in linux.
std::string tid_list =
android::base::StringPrintf("%d,%d", workloads[0]->GetPid(), workloads[1]->GetPid());
ASSERT_TRUE(StatCmd()->Run({"-t", tid_list, "sleep", "1"}));
}
TEST(stat_cmd, no_monitored_threads) {
ASSERT_FALSE(StatCmd()->Run({""}));
}
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