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v811_spc009/packages/services/Car/cpp/watchdog/server/tests/IoPerfCollectionTest.cpp

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/*
* Copyright 2020 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 "IoPerfCollection.h"
#include "MockPackageInfoResolver.h"
#include "MockProcPidStat.h"
#include "MockProcStat.h"
#include "MockUidIoStats.h"
#include "MockWatchdogServiceHelper.h"
#include "PackageInfoResolver.h"
#include <WatchdogProperties.sysprop.h>
#include <android-base/file.h>
#include <gmock/gmock.h>
#include <sys/types.h>
#include <unistd.h>
#include <string>
#include <vector>
namespace android {
namespace automotive {
namespace watchdog {
using ::android::sp;
using ::android::base::Error;
using ::android::base::ReadFdToString;
using ::android::base::Result;
using ::testing::_;
using ::testing::Return;
namespace {
bool isEqual(const UidIoPerfData& lhs, const UidIoPerfData& rhs) {
if (lhs.topNReads.size() != rhs.topNReads.size() ||
lhs.topNWrites.size() != rhs.topNWrites.size()) {
return false;
}
for (int i = 0; i < METRIC_TYPES; ++i) {
for (int j = 0; j < UID_STATES; ++j) {
if (lhs.total[i][j] != rhs.total[i][j]) {
return false;
}
}
}
auto comp = [&](const UidIoPerfData::Stats& l, const UidIoPerfData::Stats& r) -> bool {
bool isEqual = l.userId == r.userId && l.packageName == r.packageName;
for (int i = 0; i < UID_STATES; ++i) {
isEqual &= l.bytes[i] == r.bytes[i] && l.fsync[i] == r.fsync[i];
}
return isEqual;
};
return lhs.topNReads.size() == rhs.topNReads.size() &&
std::equal(lhs.topNReads.begin(), lhs.topNReads.end(), rhs.topNReads.begin(), comp) &&
lhs.topNWrites.size() == rhs.topNWrites.size() &&
std::equal(lhs.topNWrites.begin(), lhs.topNWrites.end(), rhs.topNWrites.begin(), comp);
}
bool isEqual(const SystemIoPerfData& lhs, const SystemIoPerfData& rhs) {
return lhs.cpuIoWaitTime == rhs.cpuIoWaitTime && lhs.totalCpuTime == rhs.totalCpuTime &&
lhs.ioBlockedProcessesCnt == rhs.ioBlockedProcessesCnt &&
lhs.totalProcessesCnt == rhs.totalProcessesCnt;
}
bool isEqual(const ProcessIoPerfData& lhs, const ProcessIoPerfData& rhs) {
if (lhs.topNIoBlockedUids.size() != rhs.topNIoBlockedUids.size() ||
lhs.topNMajorFaultUids.size() != rhs.topNMajorFaultUids.size() ||
lhs.totalMajorFaults != rhs.totalMajorFaults ||
lhs.majorFaultsPercentChange != rhs.majorFaultsPercentChange) {
return false;
}
auto comp = [&](const ProcessIoPerfData::UidStats& l,
const ProcessIoPerfData::UidStats& r) -> bool {
auto comp = [&](const ProcessIoPerfData::UidStats::ProcessStats& l,
const ProcessIoPerfData::UidStats::ProcessStats& r) -> bool {
return l.comm == r.comm && l.count == r.count;
};
return l.userId == r.userId && l.packageName == r.packageName && l.count == r.count &&
l.topNProcesses.size() == r.topNProcesses.size() &&
std::equal(l.topNProcesses.begin(), l.topNProcesses.end(), r.topNProcesses.begin(),
comp);
};
return lhs.topNIoBlockedUids.size() == lhs.topNIoBlockedUids.size() &&
std::equal(lhs.topNIoBlockedUids.begin(), lhs.topNIoBlockedUids.end(),
rhs.topNIoBlockedUids.begin(), comp) &&
lhs.topNIoBlockedUidsTotalTaskCnt.size() == rhs.topNIoBlockedUidsTotalTaskCnt.size() &&
std::equal(lhs.topNIoBlockedUidsTotalTaskCnt.begin(),
lhs.topNIoBlockedUidsTotalTaskCnt.end(),
rhs.topNIoBlockedUidsTotalTaskCnt.begin()) &&
lhs.topNMajorFaultUids.size() == rhs.topNMajorFaultUids.size() &&
std::equal(lhs.topNMajorFaultUids.begin(), lhs.topNMajorFaultUids.end(),
rhs.topNMajorFaultUids.begin(), comp);
}
bool isEqual(const IoPerfRecord& lhs, const IoPerfRecord& rhs) {
return isEqual(lhs.uidIoPerfData, rhs.uidIoPerfData) &&
isEqual(lhs.systemIoPerfData, rhs.systemIoPerfData) &&
isEqual(lhs.processIoPerfData, rhs.processIoPerfData);
}
int countOccurrences(std::string str, std::string subStr) {
size_t pos = 0;
int occurrences = 0;
while ((pos = str.find(subStr, pos)) != std::string::npos) {
++occurrences;
pos += subStr.length();
}
return occurrences;
}
} // namespace
namespace internal {
class IoPerfCollectionPeer {
public:
explicit IoPerfCollectionPeer(sp<IoPerfCollection> collector) :
mCollector(collector),
mMockPackageInfoResolver(new MockPackageInfoResolver()) {
mCollector->mPackageInfoResolver = mMockPackageInfoResolver;
}
IoPerfCollectionPeer() = delete;
~IoPerfCollectionPeer() {
mCollector->terminate();
mCollector.clear();
mMockPackageInfoResolver.clear();
}
Result<void> init() { return mCollector->init(); }
void setTopNStatsPerCategory(int value) { mCollector->mTopNStatsPerCategory = value; }
void setTopNStatsPerSubcategory(int value) { mCollector->mTopNStatsPerSubcategory = value; }
void injectUidToPackageNameMapping(std::unordered_map<uid_t, std::string> mapping) {
EXPECT_CALL(*mMockPackageInfoResolver, getPackageNamesForUids(_))
.WillRepeatedly(Return(mapping));
}
const CollectionInfo& getBoottimeCollectionInfo() {
Mutex::Autolock lock(mCollector->mMutex);
return mCollector->mBoottimeCollection;
}
const CollectionInfo& getPeriodicCollectionInfo() {
Mutex::Autolock lock(mCollector->mMutex);
return mCollector->mPeriodicCollection;
}
const CollectionInfo& getCustomCollectionInfo() {
Mutex::Autolock lock(mCollector->mMutex);
return mCollector->mCustomCollection;
}
private:
sp<IoPerfCollection> mCollector;
sp<MockPackageInfoResolver> mMockPackageInfoResolver;
};
} // namespace internal
TEST(IoPerfCollectionTest, TestBoottimeCollection) {
sp<MockUidIoStats> mockUidIoStats = new MockUidIoStats();
sp<MockProcStat> mockProcStat = new MockProcStat();
sp<MockProcPidStat> mockProcPidStat = new MockProcPidStat();
sp<IoPerfCollection> collector = new IoPerfCollection();
internal::IoPerfCollectionPeer collectorPeer(collector);
ASSERT_RESULT_OK(collectorPeer.init());
const std::unordered_map<uid_t, UidIoUsage> uidIoUsages({
{1009, {.uid = 1009, .ios = {0, 14000, 0, 16000, 0, 100}}},
});
const ProcStatInfo procStatInfo{
/*stats=*/{2900, 7900, 4900, 8900, /*ioWaitTime=*/5900, 6966, 7980, 0, 0, 2930},
/*runnableCnt=*/100,
/*ioBlockedCnt=*/57,
};
const std::vector<ProcessStats> processStats({
{.tgid = 100,
.uid = 1009,
.process = {100, "disk I/O", "D", 1, 11000, 1, 234},
.threads = {{100, {100, "mount", "D", 1, 11000, 1, 234}}}},
});
EXPECT_CALL(*mockUidIoStats, deltaStats()).WillOnce(Return(uidIoUsages));
EXPECT_CALL(*mockProcStat, deltaStats()).WillOnce(Return(procStatInfo));
EXPECT_CALL(*mockProcPidStat, deltaStats()).WillOnce(Return(processStats));
const IoPerfRecord expected = {
.uidIoPerfData = {.topNReads = {{0, "mount", {0, 14000}, {0, 100}}},
.topNWrites = {{0, "mount", {0, 16000}, {0, 100}}},
.total = {{0, 14000}, {0, 16000}, {0, 100}}},
.systemIoPerfData = {5900, 48376, 57, 157},
.processIoPerfData =
{.topNIoBlockedUids = {{0, "mount", 1, {{"disk I/O", 1}}}},
.topNIoBlockedUidsTotalTaskCnt = {1},
.topNMajorFaultUids = {{0, "mount", 11000, {{"disk I/O", 11000}}}},
.totalMajorFaults = 11000,
.majorFaultsPercentChange = 0},
};
collectorPeer.injectUidToPackageNameMapping({{1009, "mount"}});
time_t now = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
ASSERT_RESULT_OK(
collector->onBoottimeCollection(now, mockUidIoStats, mockProcStat, mockProcPidStat));
const CollectionInfo& collectionInfo = collectorPeer.getBoottimeCollectionInfo();
ASSERT_EQ(collectionInfo.maxCacheSize, std::numeric_limits<std::size_t>::max());
ASSERT_EQ(collectionInfo.records.size(), 1);
ASSERT_TRUE(isEqual(collectionInfo.records[0], expected))
<< "Boottime collection record doesn't match.\nExpected:\n"
<< toString(expected) << "\nActual:\n"
<< toString(collectionInfo.records[0]);
TemporaryFile dump;
ASSERT_RESULT_OK(collector->onDump(dump.fd));
lseek(dump.fd, 0, SEEK_SET);
std::string dumpContents;
ASSERT_TRUE(ReadFdToString(dump.fd, &dumpContents));
ASSERT_FALSE(dumpContents.empty());
ASSERT_EQ(countOccurrences(dumpContents, kEmptyCollectionMessage), 1)
<< "Only periodic collection should be not collected. Dump contents: " << dumpContents;
}
TEST(IoPerfCollectionTest, TestPeriodicCollection) {
sp<MockUidIoStats> mockUidIoStats = new MockUidIoStats();
sp<MockProcStat> mockProcStat = new MockProcStat();
sp<MockProcPidStat> mockProcPidStat = new MockProcPidStat();
sp<IoPerfCollection> collector = new IoPerfCollection();
internal::IoPerfCollectionPeer collectorPeer(collector);
ASSERT_RESULT_OK(collectorPeer.init());
const std::unordered_map<uid_t, UidIoUsage> uidIoUsages({
{1009, {.uid = 1009, .ios = {0, 14000, 0, 16000, 0, 100}}},
});
const ProcStatInfo procStatInfo{
/*stats=*/{2900, 7900, 4900, 8900, /*ioWaitTime=*/5900, 6966, 7980, 0, 0, 2930},
/*runnableCnt=*/100,
/*ioBlockedCnt=*/57,
};
const std::vector<ProcessStats> processStats({
{.tgid = 100,
.uid = 1009,
.process = {100, "disk I/O", "D", 1, 11000, 1, 234},
.threads = {{100, {100, "mount", "D", 1, 11000, 1, 234}}}},
});
EXPECT_CALL(*mockUidIoStats, deltaStats()).WillOnce(Return(uidIoUsages));
EXPECT_CALL(*mockProcStat, deltaStats()).WillOnce(Return(procStatInfo));
EXPECT_CALL(*mockProcPidStat, deltaStats()).WillOnce(Return(processStats));
const IoPerfRecord expected = {
.uidIoPerfData = {.topNReads = {{0, "mount", {0, 14000}, {0, 100}}},
.topNWrites = {{0, "mount", {0, 16000}, {0, 100}}},
.total = {{0, 14000}, {0, 16000}, {0, 100}}},
.systemIoPerfData = {5900, 48376, 57, 157},
.processIoPerfData =
{.topNIoBlockedUids = {{0, "mount", 1, {{"disk I/O", 1}}}},
.topNIoBlockedUidsTotalTaskCnt = {1},
.topNMajorFaultUids = {{0, "mount", 11000, {{"disk I/O", 11000}}}},
.totalMajorFaults = 11000,
.majorFaultsPercentChange = 0},
};
collectorPeer.injectUidToPackageNameMapping({{1009, "mount"}});
time_t now = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
ASSERT_RESULT_OK(collector->onPeriodicCollection(now, SystemState::NORMAL_MODE, mockUidIoStats,
mockProcStat, mockProcPidStat));
const CollectionInfo& collectionInfo = collectorPeer.getPeriodicCollectionInfo();
ASSERT_EQ(collectionInfo.maxCacheSize,
static_cast<size_t>(sysprop::periodicCollectionBufferSize().value_or(
kDefaultPeriodicCollectionBufferSize)));
ASSERT_EQ(collectionInfo.records.size(), 1);
ASSERT_TRUE(isEqual(collectionInfo.records[0], expected))
<< "Periodic collection record doesn't match.\nExpected:\n"
<< toString(expected) << "\nActual:\n"
<< toString(collectionInfo.records[0]);
TemporaryFile dump;
ASSERT_RESULT_OK(collector->onDump(dump.fd));
lseek(dump.fd, 0, SEEK_SET);
std::string dumpContents;
ASSERT_TRUE(ReadFdToString(dump.fd, &dumpContents));
ASSERT_FALSE(dumpContents.empty());
ASSERT_EQ(countOccurrences(dumpContents, kEmptyCollectionMessage), 1)
<< "Only boot-time collection should be not collected. Dump contents: " << dumpContents;
}
TEST(IoPerfCollectionTest, TestCustomCollection) {
sp<MockUidIoStats> mockUidIoStats = new MockUidIoStats();
sp<MockProcStat> mockProcStat = new MockProcStat();
sp<MockProcPidStat> mockProcPidStat = new MockProcPidStat();
sp<IoPerfCollection> collector = new IoPerfCollection();
internal::IoPerfCollectionPeer collectorPeer(collector);
ASSERT_RESULT_OK(collectorPeer.init());
// Filter by package name should ignore this limit.
collectorPeer.setTopNStatsPerCategory(1);
const std::unordered_map<uid_t, UidIoUsage> uidIoUsages({
{1009, {.uid = 1009, .ios = {0, 14000, 0, 16000, 0, 100}}},
{2001, {.uid = 2001, .ios = {0, 3400, 0, 6700, 0, 200}}},
{3456, {.uid = 3456, .ios = {0, 4200, 0, 5600, 0, 300}}},
});
const ProcStatInfo procStatInfo{
/*stats=*/{2900, 7900, 4900, 8900, /*ioWaitTime=*/5900, 6966, 7980, 0, 0, 2930},
/*runnableCnt=*/100,
/*ioBlockedCnt=*/57,
};
const std::vector<ProcessStats> processStats({
{.tgid = 100,
.uid = 1009,
.process = {100, "cts_test", "D", 1, 50900, 2, 234},
.threads = {{100, {100, "cts_test", "D", 1, 50900, 1, 234}},
{200, {200, "cts_test_2", "D", 1, 0, 1, 290}}}},
{.tgid = 1000,
.uid = 2001,
.process = {1000, "system_server", "D", 1, 1234, 1, 345},
.threads = {{1000, {1000, "system_server", "D", 1, 1234, 1, 345}}}},
{.tgid = 4000,
.uid = 3456,
.process = {4000, "random_process", "D", 1, 3456, 1, 890},
.threads = {{4000, {4000, "random_process", "D", 1, 50900, 1, 890}}}},
});
EXPECT_CALL(*mockUidIoStats, deltaStats()).WillOnce(Return(uidIoUsages));
EXPECT_CALL(*mockProcStat, deltaStats()).WillOnce(Return(procStatInfo));
EXPECT_CALL(*mockProcPidStat, deltaStats()).WillOnce(Return(processStats));
const IoPerfRecord expected = {
.uidIoPerfData = {.topNReads = {{.userId = 0,
.packageName = "android.car.cts",
.bytes = {0, 14000},
.fsync = {0, 100}},
{.userId = 0,
.packageName = "system_server",
.bytes = {0, 3400},
.fsync = {0, 200}}},
.topNWrites = {{.userId = 0,
.packageName = "android.car.cts",
.bytes = {0, 16000},
.fsync = {0, 100}},
{.userId = 0,
.packageName = "system_server",
.bytes = {0, 6700},
.fsync = {0, 200}}},
.total = {{0, 21600}, {0, 28300}, {0, 600}}},
.systemIoPerfData = {.cpuIoWaitTime = 5900,
.totalCpuTime = 48376,
.ioBlockedProcessesCnt = 57,
.totalProcessesCnt = 157},
.processIoPerfData =
{.topNIoBlockedUids = {{0, "android.car.cts", 2, {{"cts_test", 2}}},
{0, "system_server", 1, {{"system_server", 1}}}},
.topNIoBlockedUidsTotalTaskCnt = {2, 1},
.topNMajorFaultUids = {{0, "android.car.cts", 50900, {{"cts_test", 50900}}},
{0, "system_server", 1234, {{"system_server", 1234}}}},
.totalMajorFaults = 55590,
.majorFaultsPercentChange = 0},
};
collectorPeer.injectUidToPackageNameMapping({
{1009, "android.car.cts"},
{2001, "system_server"},
{3456, "random_process"},
});
time_t now = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
ASSERT_RESULT_OK(collector->onCustomCollection(now, SystemState::NORMAL_MODE,
{"android.car.cts", "system_server"},
mockUidIoStats, mockProcStat, mockProcPidStat));
const CollectionInfo& collectionInfo = collectorPeer.getCustomCollectionInfo();
EXPECT_EQ(collectionInfo.maxCacheSize, std::numeric_limits<std::size_t>::max());
ASSERT_EQ(collectionInfo.records.size(), 1);
ASSERT_TRUE(isEqual(collectionInfo.records[0], expected))
<< "Custom collection record doesn't match.\nExpected:\n"
<< toString(expected) << "\nActual:\n"
<< toString(collectionInfo.records[0]);
TemporaryFile customDump;
ASSERT_RESULT_OK(collector->onCustomCollectionDump(customDump.fd));
lseek(customDump.fd, 0, SEEK_SET);
std::string customDumpContents;
ASSERT_TRUE(ReadFdToString(customDump.fd, &customDumpContents));
ASSERT_FALSE(customDumpContents.empty());
ASSERT_EQ(countOccurrences(customDumpContents, kEmptyCollectionMessage), 0)
<< "Custom collection should be reported. Dump contents: " << customDumpContents;
// Should clear the cache.
ASSERT_RESULT_OK(collector->onCustomCollectionDump(-1));
const CollectionInfo& emptyCollectionInfo = collectorPeer.getCustomCollectionInfo();
EXPECT_TRUE(emptyCollectionInfo.records.empty());
EXPECT_EQ(emptyCollectionInfo.maxCacheSize, std::numeric_limits<std::size_t>::max());
}
TEST(IoPerfCollectionTest, TestUidIoStatsGreaterThanTopNStatsLimit) {
std::unordered_map<uid_t, UidIoUsage> uidIoUsages({
{1001234, {.uid = 1001234, .ios = {3000, 0, 500, 0, 20, 0}}},
{1005678, {.uid = 1005678, .ios = {30, 100, 50, 200, 45, 60}}},
{1009, {.uid = 1009, .ios = {0, 20000, 0, 30000, 0, 300}}},
{1001000, {.uid = 1001000, .ios = {2000, 200, 1000, 100, 50, 10}}},
});
sp<MockUidIoStats> mockUidIoStats = new MockUidIoStats();
EXPECT_CALL(*mockUidIoStats, deltaStats()).WillOnce(Return(uidIoUsages));
struct UidIoPerfData expectedUidIoPerfData = {
.topNReads = {{.userId = 0, // uid: 1009
.packageName = "mount",
.bytes = {0, 20000},
.fsync = {0, 300}},
{.userId = 10, // uid: 1001234
.packageName = "1001234",
.bytes = {3000, 0},
.fsync = {20, 0}}},
.topNWrites = {{.userId = 0, // uid: 1009
.packageName = "mount",
.bytes = {0, 30000},
.fsync = {0, 300}},
{.userId = 10, // uid: 1001000
.packageName = "shared:android.uid.system",
.bytes = {1000, 100},
.fsync = {50, 10}}},
.total = {{5030, 20300}, {1550, 30300}, {115, 370}},
};
IoPerfCollection collector;
collector.mTopNStatsPerCategory = 2;
sp<MockPackageInfoResolver> mockPackageInfoResolver = new MockPackageInfoResolver();
collector.mPackageInfoResolver = mockPackageInfoResolver;
EXPECT_CALL(*mockPackageInfoResolver, getPackageNamesForUids(_))
.WillRepeatedly(Return<std::unordered_map<uid_t, std::string>>(
{{1009, "mount"}, {1001000, "shared:android.uid.system"}}));
struct UidIoPerfData actualUidIoPerfData = {};
collector.processUidIoPerfData({}, mockUidIoStats, &actualUidIoPerfData);
EXPECT_TRUE(isEqual(expectedUidIoPerfData, actualUidIoPerfData))
<< "First snapshot doesn't match.\nExpected:\n"
<< toString(expectedUidIoPerfData) << "\nActual:\n"
<< toString(actualUidIoPerfData);
uidIoUsages = {
{1001234, {.uid = 1001234, .ios = {4000, 0, 450, 0, 25, 0}}},
{1005678, {.uid = 1005678, .ios = {10, 900, 0, 400, 5, 10}}},
{1003456, {.uid = 1003456, .ios = {200, 0, 300, 0, 50, 0}}},
{1001000, {.uid = 1001000, .ios = {0, 0, 0, 0, 0, 0}}},
};
EXPECT_CALL(*mockUidIoStats, deltaStats()).WillOnce(Return(uidIoUsages));
expectedUidIoPerfData = {
.topNReads = {{.userId = 10, // uid: 1001234
.packageName = "1001234",
.bytes = {4000, 0},
.fsync = {25, 0}},
{.userId = 10, // uid: 1005678
.packageName = "1005678",
.bytes = {10, 900},
.fsync = {5, 10}}},
.topNWrites = {{.userId = 10, // uid: 1001234
.packageName = "1001234",
.bytes = {450, 0},
.fsync = {25, 0}},
{.userId = 10, // uid: 1005678
.packageName = "1005678",
.bytes = {0, 400},
.fsync = {5, 10}}},
.total = {{4210, 900}, {750, 400}, {80, 10}},
};
actualUidIoPerfData = {};
collector.processUidIoPerfData({}, mockUidIoStats, &actualUidIoPerfData);
EXPECT_TRUE(isEqual(expectedUidIoPerfData, actualUidIoPerfData))
<< "Second snapshot doesn't match.\nExpected:\n"
<< toString(expectedUidIoPerfData) << "\nActual:\n"
<< toString(actualUidIoPerfData);
}
TEST(IoPerfCollectionTest, TestUidIOStatsLessThanTopNStatsLimit) {
const std::unordered_map<uid_t, UidIoUsage> uidIoUsages(
{{1001234, {.uid = 1001234, .ios = {3000, 0, 500, 0, 20, 0}}}});
const struct UidIoPerfData expectedUidIoPerfData = {
.topNReads = {{.userId = 10,
.packageName = "1001234",
.bytes = {3000, 0},
.fsync = {20, 0}}},
.topNWrites =
{{.userId = 10, .packageName = "1001234", .bytes = {500, 0}, .fsync = {20, 0}}},
.total = {{3000, 0}, {500, 0}, {20, 0}},
};
sp<MockUidIoStats> mockUidIoStats = new MockUidIoStats();
EXPECT_CALL(*mockUidIoStats, deltaStats()).WillOnce(Return(uidIoUsages));
IoPerfCollection collector;
collector.mTopNStatsPerCategory = 10;
struct UidIoPerfData actualUidIoPerfData = {};
collector.processUidIoPerfData({}, mockUidIoStats, &actualUidIoPerfData);
EXPECT_TRUE(isEqual(expectedUidIoPerfData, actualUidIoPerfData))
<< "Collected data doesn't match.\nExpected:\n"
<< toString(expectedUidIoPerfData) << "\nActual:\n"
<< toString(actualUidIoPerfData);
}
TEST(IoPerfCollectionTest, TestProcessSystemIoPerfData) {
const ProcStatInfo procStatInfo(
/*stats=*/{6200, 5700, 1700, 3100, 1100, 5200, 3900, 0, 0, 0},
/*runnableCnt=*/17,
/*ioBlockedCnt=*/5);
struct SystemIoPerfData expectedSystemIoPerfData = {
.cpuIoWaitTime = 1100,
.totalCpuTime = 26900,
.ioBlockedProcessesCnt = 5,
.totalProcessesCnt = 22,
};
sp<MockProcStat> mockProcStat = new MockProcStat();
EXPECT_CALL(*mockProcStat, deltaStats()).WillOnce(Return(procStatInfo));
IoPerfCollection collector;
struct SystemIoPerfData actualSystemIoPerfData = {};
collector.processSystemIoPerfData(mockProcStat, &actualSystemIoPerfData);
EXPECT_TRUE(isEqual(expectedSystemIoPerfData, actualSystemIoPerfData))
<< "Expected:\n"
<< toString(expectedSystemIoPerfData) << "\nActual:\n"
<< toString(actualSystemIoPerfData);
}
TEST(IoPerfCollectionTest, TestProcPidContentsGreaterThanTopNStatsLimit) {
const std::vector<ProcessStats> firstProcessStats({
{.tgid = 1,
.uid = 0,
.process = {1, "init", "S", 0, 220, 2, 0},
.threads = {{1, {1, "init", "S", 0, 200, 2, 0}},
{453, {453, "init", "S", 0, 20, 2, 275}}}},
{.tgid = 2456,
.uid = 1001000,
.process = {2456, "system_server", "R", 1, 6000, 3, 1000},
.threads = {{2456, {2456, "system_server", "R", 1, 1000, 3, 1000}},
{3456, {3456, "system_server", "S", 1, 3000, 3, 2300}},
{4789, {4789, "system_server", "D", 1, 2000, 3, 4500}}}},
{.tgid = 7890,
.uid = 1001000,
.process = {7890, "logd", "D", 1, 15000, 3, 2345},
.threads = {{7890, {7890, "logd", "D", 1, 10000, 3, 2345}},
{8978, {8978, "logd", "D", 1, 1000, 3, 2500}},
{12890, {12890, "logd", "D", 1, 500, 3, 2900}}}},
{.tgid = 18902,
.uid = 1009,
.process = {18902, "disk I/O", "D", 1, 45678, 3, 897654},
.threads = {{18902, {18902, "disk I/O", "D", 1, 30000, 3, 897654}},
{21345, {21345, "disk I/O", "D", 1, 15000, 3, 904000}},
{32452, {32452, "disk I/O", "D", 1, 678, 3, 1007000}}}},
{.tgid = 28900,
.uid = 1001234,
.process = {28900, "tombstoned", "D", 1, 89765, 1, 2345671},
.threads = {{28900, {28900, "tombstoned", "D", 1, 89765, 1, 2345671}}}},
});
sp<MockProcPidStat> mockProcPidStat = new MockProcPidStat();
EXPECT_CALL(*mockProcPidStat, deltaStats()).WillOnce(Return(firstProcessStats));
struct ProcessIoPerfData expectedProcessIoPerfData = {
.topNIoBlockedUids = {{.userId = 10, // uid: 1001000
.packageName = "shared:android.uid.system",
.count = 4,
.topNProcesses = {{"logd", 3}, {"system_server", 1}}},
{.userId = 0,
.packageName = "mount",
.count = 3,
.topNProcesses = {{"disk I/O", 3}}}},
.topNIoBlockedUidsTotalTaskCnt = {6, 3},
.topNMajorFaultUids = {{.userId = 10, // uid: 1001234
.packageName = "1001234",
.count = 89765,
.topNProcesses = {{"tombstoned", 89765}}},
{.userId = 0, // uid: 1009
.packageName = "mount",
.count = 45678,
.topNProcesses = {{"disk I/O", 45678}}}},
.totalMajorFaults = 156663,
.majorFaultsPercentChange = 0.0,
};
IoPerfCollection collector;
collector.mTopNStatsPerCategory = 2;
collector.mTopNStatsPerSubcategory = 2;
sp<MockPackageInfoResolver> mockPackageInfoResolver = new MockPackageInfoResolver();
collector.mPackageInfoResolver = mockPackageInfoResolver;
EXPECT_CALL(*mockPackageInfoResolver, getPackageNamesForUids(_))
.WillRepeatedly(Return<std::unordered_map<uid_t, std::string>>(
{{0, "root"}, {1009, "mount"}, {1001000, "shared:android.uid.system"}}));
struct ProcessIoPerfData actualProcessIoPerfData = {};
collector.processProcessIoPerfDataLocked({}, mockProcPidStat, &actualProcessIoPerfData);
EXPECT_TRUE(isEqual(expectedProcessIoPerfData, actualProcessIoPerfData))
<< "First snapshot doesn't match.\nExpected:\n"
<< toString(expectedProcessIoPerfData) << "\nActual:\n"
<< toString(actualProcessIoPerfData);
const std::vector<ProcessStats> secondProcessStats({
{.tgid = 1,
.uid = 0,
.process = {1, "init", "S", 0, 660, 2, 0},
.threads = {{1, {1, "init", "S", 0, 600, 2, 0}},
{453, {453, "init", "S", 0, 60, 2, 275}}}},
{.tgid = 2546,
.uid = 1001000,
.process = {2546, "system_server", "R", 1, 12000, 3, 1000},
.threads = {{2456, {2456, "system_server", "R", 1, 2000, 3, 1000}},
{3456, {3456, "system_server", "S", 1, 6000, 3, 2300}},
{4789, {4789, "system_server", "D", 1, 4000, 3, 4500}}}},
});
EXPECT_CALL(*mockProcPidStat, deltaStats()).WillOnce(Return(secondProcessStats));
expectedProcessIoPerfData = {
.topNIoBlockedUids = {{.userId = 10, // uid: 1001000
.packageName = "shared:android.uid.system",
.count = 1,
.topNProcesses = {{"system_server", 1}}}},
.topNIoBlockedUidsTotalTaskCnt = {3},
.topNMajorFaultUids = {{.userId = 10, // uid: 1001000
.packageName = "shared:android.uid.system",
.count = 12000,
.topNProcesses = {{"system_server", 12000}}},
{.userId = 0, // uid: 0
.packageName = "root",
.count = 660,
.topNProcesses = {{"init", 660}}}},
.totalMajorFaults = 12660,
.majorFaultsPercentChange = ((12660.0 - 156663.0) / 156663.0) * 100,
};
actualProcessIoPerfData = {};
collector.processProcessIoPerfDataLocked({}, mockProcPidStat, &actualProcessIoPerfData);
EXPECT_TRUE(isEqual(expectedProcessIoPerfData, actualProcessIoPerfData))
<< "Second snapshot doesn't match.\nExpected:\n"
<< toString(expectedProcessIoPerfData) << "\nActual:\n"
<< toString(actualProcessIoPerfData);
}
TEST(IoPerfCollectionTest, TestProcPidContentsLessThanTopNStatsLimit) {
const std::vector<ProcessStats> processStats({
{.tgid = 1,
.uid = 0,
.process = {1, "init", "S", 0, 880, 2, 0},
.threads = {{1, {1, "init", "S", 0, 800, 2, 0}},
{453, {453, "init", "S", 0, 80, 2, 275}}}},
});
sp<MockProcPidStat> mockProcPidStat = new MockProcPidStat();
EXPECT_CALL(*mockProcPidStat, deltaStats()).WillOnce(Return(processStats));
struct ProcessIoPerfData expectedProcessIoPerfData = {
.topNMajorFaultUids = {{.userId = 0, // uid: 0
.packageName = "root",
.count = 880,
.topNProcesses = {{"init", 880}}}},
.totalMajorFaults = 880,
.majorFaultsPercentChange = 0.0,
};
IoPerfCollection collector;
collector.mTopNStatsPerCategory = 5;
collector.mTopNStatsPerSubcategory = 3;
sp<MockPackageInfoResolver> mockPackageInfoResolver = new MockPackageInfoResolver();
collector.mPackageInfoResolver = mockPackageInfoResolver;
EXPECT_CALL(*mockPackageInfoResolver, getPackageNamesForUids(_))
.WillRepeatedly(Return<std::unordered_map<uid_t, std::string>>({{0, "root"}}));
struct ProcessIoPerfData actualProcessIoPerfData = {};
collector.processProcessIoPerfDataLocked({}, mockProcPidStat, &actualProcessIoPerfData);
EXPECT_TRUE(isEqual(expectedProcessIoPerfData, actualProcessIoPerfData))
<< "proc pid contents don't match.\nExpected:\n"
<< toString(expectedProcessIoPerfData) << "\nActual:\n"
<< toString(actualProcessIoPerfData);
}
} // namespace watchdog
} // namespace automotive
} // namespace android