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/*
* Copyright (C) 2021 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 "odr_metrics.h"
#include "base/casts.h"
#include "odr_metrics_record.h"
#include <unistd.h>
#include <fstream>
#include <memory>
#include <string>
#include "base/common_art_test.h"
namespace art {
namespace odrefresh {
class OdrMetricsTest : public CommonArtTest {
public:
void SetUp() override {
CommonArtTest::SetUp();
scratch_dir_ = std::make_unique<ScratchDir>();
metrics_file_path_ = scratch_dir_->GetPath() + "/metrics.txt";
cache_directory_ = scratch_dir_->GetPath() + "/dir";
mkdir(cache_directory_.c_str(), S_IRWXU);
}
void TearDown() override {
scratch_dir_.reset();
}
bool MetricsFileExists() const {
const char* path = metrics_file_path_.c_str();
return OS::FileExists(path);
}
bool RemoveMetricsFile() const {
const char* path = metrics_file_path_.c_str();
if (OS::FileExists(path)) {
return unlink(path) == 0;
}
return true;
}
const std::string GetCacheDirectory() const { return cache_directory_; }
const std::string GetMetricsFilePath() const { return metrics_file_path_; }
protected:
std::unique_ptr<ScratchDir> scratch_dir_;
std::string metrics_file_path_;
std::string cache_directory_;
};
TEST_F(OdrMetricsTest, ToRecordFailsIfNotTriggered) {
{
OdrMetrics metrics(GetCacheDirectory(), GetMetricsFilePath());
OdrMetricsRecord record {};
EXPECT_FALSE(metrics.ToRecord(&record));
}
{
OdrMetrics metrics(GetCacheDirectory(), GetMetricsFilePath());
metrics.SetArtApexVersion(99);
metrics.SetStage(OdrMetrics::Stage::kCheck);
metrics.SetStatus(OdrMetrics::Status::kNoSpace);
OdrMetricsRecord record {};
EXPECT_FALSE(metrics.ToRecord(&record));
}
}
TEST_F(OdrMetricsTest, ToRecordSucceedsIfTriggered) {
OdrMetrics metrics(GetCacheDirectory(), GetMetricsFilePath());
metrics.SetArtApexVersion(99);
metrics.SetTrigger(OdrMetrics::Trigger::kApexVersionMismatch);
metrics.SetStage(OdrMetrics::Stage::kCheck);
metrics.SetStatus(OdrMetrics::Status::kNoSpace);
OdrMetricsRecord record{};
EXPECT_TRUE(metrics.ToRecord(&record));
EXPECT_EQ(99, record.art_apex_version);
EXPECT_EQ(OdrMetrics::Trigger::kApexVersionMismatch,
enum_cast<OdrMetrics::Trigger>(record.trigger));
EXPECT_EQ(OdrMetrics::Stage::kCheck, enum_cast<OdrMetrics::Stage>(record.stage_reached));
EXPECT_EQ(OdrMetrics::Status::kNoSpace, enum_cast<OdrMetrics::Status>(record.status));
}
TEST_F(OdrMetricsTest, MetricsFileIsNotCreatedIfNotTriggered) {
EXPECT_TRUE(RemoveMetricsFile());
// Metrics file is (potentially) written in OdrMetrics destructor.
{
OdrMetrics metrics(GetCacheDirectory(), GetMetricsFilePath());
metrics.SetArtApexVersion(99);
metrics.SetStage(OdrMetrics::Stage::kCheck);
metrics.SetStatus(OdrMetrics::Status::kNoSpace);
}
EXPECT_FALSE(MetricsFileExists());
}
TEST_F(OdrMetricsTest, NoMetricsFileIsCreatedIfTriggered) {
EXPECT_TRUE(RemoveMetricsFile());
// Metrics file is (potentially) written in OdrMetrics destructor.
{
OdrMetrics metrics(GetCacheDirectory(), GetMetricsFilePath());
metrics.SetArtApexVersion(101);
metrics.SetTrigger(OdrMetrics::Trigger::kDexFilesChanged);
metrics.SetStage(OdrMetrics::Stage::kCheck);
metrics.SetStatus(OdrMetrics::Status::kNoSpace);
}
EXPECT_TRUE(MetricsFileExists());
}
TEST_F(OdrMetricsTest, StageDoesNotAdvancedAfterFailure) {
OdrMetrics metrics(GetCacheDirectory(), GetMetricsFilePath());
metrics.SetArtApexVersion(1999);
metrics.SetTrigger(OdrMetrics::Trigger::kMissingArtifacts);
metrics.SetStage(OdrMetrics::Stage::kCheck);
metrics.SetStatus(OdrMetrics::Status::kNoSpace);
metrics.SetStage(OdrMetrics::Stage::kComplete);
OdrMetricsRecord record{};
EXPECT_TRUE(metrics.ToRecord(&record));
EXPECT_EQ(OdrMetrics::Stage::kCheck, enum_cast<OdrMetrics::Stage>(record.stage_reached));
}
TEST_F(OdrMetricsTest, TimeValuesAreRecorded) {
OdrMetrics metrics(GetCacheDirectory(), GetMetricsFilePath());
metrics.SetArtApexVersion(1999);
metrics.SetTrigger(OdrMetrics::Trigger::kMissingArtifacts);
metrics.SetStage(OdrMetrics::Stage::kCheck);
metrics.SetStatus(OdrMetrics::Status::kOK);
// Primary boot classpath compilation time.
OdrMetricsRecord record{};
{
metrics.SetStage(OdrMetrics::Stage::kPrimaryBootClasspath);
ScopedOdrCompilationTimer timer(metrics);
sleep(2u);
}
EXPECT_TRUE(metrics.ToRecord(&record));
EXPECT_EQ(OdrMetrics::Stage::kPrimaryBootClasspath,
enum_cast<OdrMetrics::Stage>(record.stage_reached));
EXPECT_NE(0, record.primary_bcp_compilation_seconds);
EXPECT_GT(10, record.primary_bcp_compilation_seconds);
EXPECT_EQ(0, record.secondary_bcp_compilation_seconds);
EXPECT_EQ(0, record.system_server_compilation_seconds);
// Secondary boot classpath compilation time.
{
metrics.SetStage(OdrMetrics::Stage::kSecondaryBootClasspath);
ScopedOdrCompilationTimer timer(metrics);
sleep(2u);
}
EXPECT_TRUE(metrics.ToRecord(&record));
EXPECT_EQ(OdrMetrics::Stage::kSecondaryBootClasspath,
enum_cast<OdrMetrics::Stage>(record.stage_reached));
EXPECT_NE(0, record.primary_bcp_compilation_seconds);
EXPECT_NE(0, record.secondary_bcp_compilation_seconds);
EXPECT_GT(10, record.secondary_bcp_compilation_seconds);
EXPECT_EQ(0, record.system_server_compilation_seconds);
// system_server classpath compilation time.
{
metrics.SetStage(OdrMetrics::Stage::kSystemServerClasspath);
ScopedOdrCompilationTimer timer(metrics);
sleep(2u);
}
EXPECT_TRUE(metrics.ToRecord(&record));
EXPECT_EQ(OdrMetrics::Stage::kSystemServerClasspath,
enum_cast<OdrMetrics::Stage>(record.stage_reached));
EXPECT_NE(0, record.primary_bcp_compilation_seconds);
EXPECT_NE(0, record.secondary_bcp_compilation_seconds);
EXPECT_NE(0, record.system_server_compilation_seconds);
EXPECT_GT(10, record.system_server_compilation_seconds);
}
TEST_F(OdrMetricsTest, CacheSpaceValuesAreUpdated) {
OdrMetricsRecord snap {};
snap.cache_space_free_start_mib = -1;
snap.cache_space_free_end_mib = -1;
{
OdrMetrics metrics(GetCacheDirectory(), GetMetricsFilePath());
metrics.SetArtApexVersion(1999);
metrics.SetTrigger(OdrMetrics::Trigger::kMissingArtifacts);
metrics.SetStage(OdrMetrics::Stage::kCheck);
metrics.SetStatus(OdrMetrics::Status::kOK);
EXPECT_TRUE(metrics.ToRecord(&snap));
EXPECT_NE(0, snap.cache_space_free_start_mib);
EXPECT_EQ(0, snap.cache_space_free_end_mib);
}
OdrMetricsRecord on_disk;
std::ifstream ifs(GetMetricsFilePath());
EXPECT_TRUE(ifs);
ifs >> on_disk;
EXPECT_TRUE(ifs);
EXPECT_EQ(snap.cache_space_free_start_mib, on_disk.cache_space_free_start_mib);
EXPECT_NE(0, on_disk.cache_space_free_end_mib);
}
} // namespace odrefresh
} // namespace art
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