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Signed-off-by:wenlong12 <wenlong12@huawei.com>

Signed-off-by: wenlong12 <wenlong12@huawei.com>
This commit is contained in:
wenlong12 2024-11-18 16:16:06 +08:00
parent c6abb4898f
commit 09e676838b
29 changed files with 180 additions and 184 deletions
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1
include/spe_decoder.h
View File

@ -284,7 +284,6 @@ struct SpeDecoder {
struct SpePkt packet;
};
struct SpeDecoder *SpeDecoderNew(struct SpeParams *params);
struct SpeDecoder *SpeDecoderDataNew(const unsigned char *speBuf, size_t speLen);
void SpeDecoderFree(struct SpeDecoder *decoder);

2
include/subcommand.h
View File

@ -80,7 +80,7 @@ public:
};
// called from main
static bool RegisterSubCommand(std::string, std::unique_ptr<SubCommand>);
static bool RegisterSubCommand(const std::string&, std::unique_ptr<SubCommand>);
// get some cmd
static const std::map<std::string, std::unique_ptr<SubCommand>> &GetSubCommands();

2
include/utilities.h
View File

@ -310,7 +310,7 @@ bool IsBeta();
bool IsAllowProfilingUid();
bool IsHiviewCall();
bool PowerOfTwo(uint64_t n);
bool IsNumberic(const std::string& str);
bool IsNumeric(const std::string& str);
const std::string HMKERNEL = "HongMeng";

48
interfaces/kits/js/napi/hiperf_client_napi.cpp
View File

@ -31,28 +31,20 @@ static std::unique_ptr<HiperfClient::Client> g_hiperfClient =
static std::unique_ptr<HiperfClient::RecordOption> g_hiperfRecordOption =
std::make_unique<HiperfClient::RecordOption>();
static std::vector<std::string> StringSplit(std::string source, const std::string &split = ",")
static std::vector<std::string> StringSplit(const std::string& text, char delimiter = ',')
{
size_t pos = 0;
std::vector<std::string> result;
// find
while ((pos = source.find(split)) != std::string::npos) {
// split
std::string token = source.substr(0, pos);
std::vector<std::string> tokens;
std::string token;
std::istringstream tokenStream(text);
while (std::getline(tokenStream, token, delimiter)) {
if (!token.empty()) {
result.push_back(token);
tokens.push_back(token);
}
source.erase(0, pos + split.length());
}
// add last token
if (!source.empty()) {
result.push_back(source);
}
return result;
return tokens;
}
static bool IsNumberic(const std::string& str)
static bool IsNumeric(const std::string& str)
{
std::istringstream iss(str);
int number;
@ -66,25 +58,17 @@ static bool IsNumberic(const std::string& str)
return true;
}
static std::vector<int> StringSplitToInt(std::string source, const std::string &split = ",")
static std::vector<int> StringSplitToInt(const std::string& text, char delimiter = ',')
{
size_t pos = 0;
std::vector<int> result;
// find
while ((pos = source.find(split)) != std::string::npos) {
// split
std::string token = source.substr(0, pos);
if (IsNumberic(token)) {
result.push_back(std::stoi(token));
std::vector<int> tokens;
std::string token;
std::istringstream tokenStream(text);
while (std::getline(tokenStream, token, delimiter)) {
if (IsNumeric(token)) {
tokens.push_back(std::stoi(token));
}
source.erase(0, pos + split.length());
}
// add last token
if (IsNumberic(source)) {
result.push_back(std::stoi(source));
}
return result;
return tokens;
}
static std::string GetJsStringFromOption(const napi_env &env, const napi_callback_info &info)

10
src/callstack.cpp
View File

@ -79,7 +79,7 @@ const std::map<unw_error_t, const std::string> UNW_ERROR_MAP = {
};
const std::string CallStack::GetUnwErrorName(int error)
{
if (UNW_ERROR_MAP.count(static_cast<unw_error_t>(-error)) > 0) {
if (UNW_ERROR_MAP.find(static_cast<unw_error_t>(-error)) != UNW_ERROR_MAP.end()) {
return UNW_ERROR_MAP.at(static_cast<unw_error_t>(-error));
} else {
return "UNKNOW_UNW_ERROR";
@ -292,7 +292,7 @@ int CallStack::AccessMem([[maybe_unused]] unw_addr_space_t as, unw_word_t addr,
return -UNW_EUNSPEC;
}
if (addr < unwindInfoPtr->callStack.stackPoint_ or
if (addr < unwindInfoPtr->callStack.stackPoint_ ||
addr + sizeof(unw_word_t) >= unwindInfoPtr->callStack.stackEnd_) {
if (ReadVirtualThreadMemory(*unwindInfoPtr, addr, valuePoint)) {
HLOGM("access_mem addr get val 0x%" UNW_WORD_PFLAG ", from mmap", *valuePoint);
@ -540,8 +540,8 @@ size_t CallStack::DoExpandCallStack(std::vector<DfxFrame> &newCallFrames,
{
int maxCycle = 0;
if (expandLimit == 0 or newCallFrames.size() < expandLimit or
cachedCallFrames.size() < expandLimit or
if (expandLimit == 0 || newCallFrames.size() < expandLimit ||
cachedCallFrames.size() < expandLimit ||
cachedCallFrames.size() >= MAX_CALL_FRAME_UNWIND_SIZE) {
HLOGM("expandLimit %zu not match new %zu cache %zu", expandLimit, newCallFrames.size(),
cachedCallFrames.size());
@ -777,7 +777,7 @@ int CallStack::AccessMem2(uintptr_t addr, uintptr_t *val, void *arg)
"unwindInfoPtr is null or address overflow at 0x%" UNW_WORD_PFLAG " increase 0x%zu",
addr, sizeof(uintptr_t));
if (addr < unwindInfoPtr->callStack.stackPoint_ or
if (addr < unwindInfoPtr->callStack.stackPoint_ ||
addr + sizeof(uintptr_t) >= unwindInfoPtr->callStack.stackEnd_) {
if (ReadVirtualThreadMemory(*unwindInfoPtr, addr, val)) {
HLOGM("access_mem addr get val 0x%" UNW_WORD_PFLAG ", from mmap", *val);

28
src/debug_logger.cpp
View File

@ -15,19 +15,15 @@
#include "debug_logger.h"
#include <ratio>
#include "option.h"
#if defined(is_ohos) && is_ohos
#include "hiperf_hilog.h"
#endif
using namespace std::literals::chrono_literals;
using namespace std::chrono;
namespace OHOS {
namespace Developtools {
namespace HiPerf {
DebugLogger::DebugLogger() : timeStamp_(steady_clock::now()), logPath_(DEFAULT_LOG_PATH)
DebugLogger::DebugLogger() : timeStamp_(std::chrono::steady_clock::now()), logPath_(DEFAULT_LOG_PATH)
{
OpenLog();
}
@ -82,12 +78,12 @@ int DebugLogger::Log(DebugLevel level, const std::string &logTag, const char *fm
{
constexpr const int DEFAULT_STRING_BUF_SIZE = 4096;
#ifdef HIPERF_DEBUG_TIME
const auto startSprintf = steady_clock::now();
const auto startSprintf = std::chrono::steady_clock::now();
#endif
const auto startTime = steady_clock::now();
if (!ShouldLog(level, logTag) or logDisabled_ or fmt == nullptr) {
const auto startTime = std::chrono::steady_clock::now();
if (!ShouldLog(level, logTag) || logDisabled_ || fmt == nullptr) {
#ifdef HIPERF_DEBUG_TIME
logTimes_ += duration_cast<microseconds>(steady_clock::now() - startSprintf);
logTimes_ += duration_cast<microseconds>(std::chrono::steady_clock::now() - startSprintf);
#endif
return 0;
}
@ -99,9 +95,9 @@ int DebugLogger::Log(DebugLevel level, const std::string &logTag, const char *fm
ret = vsnprintf_s(buffer.data(), buffer.size(), buffer.size() >= 1 ? buffer.size() - 1 : 0, fmt, va);
va_end(va);
#ifdef HIPERF_DEBUG_TIME
logSprintfTimes_ += duration_cast<microseconds>(steady_clock::now() - startSprintf);
logSprintfTimes_ += duration_cast<microseconds>(std::chrono::steady_clock::now() - startSprintf);
#endif
if ((mixLogOutput_ and level < LEVEL_FATAL) or level == LEVEL_FATAL) {
if ((mixLogOutput_ && level < LEVEL_FATAL) || level == LEVEL_FATAL) {
ret = fprintf(stdout, "%s", buffer.data()); // to the stdout
}
@ -113,17 +109,17 @@ int DebugLogger::Log(DebugLevel level, const std::string &logTag, const char *fm
} else if (file_ != nullptr) {
std::lock_guard<std::recursive_mutex> lock(logMutex_);
#ifdef HIPERF_DEBUG_TIME
const auto startWriteTime = steady_clock::now();
const auto startWriteTime = std::chrono::steady_clock::now();
#endif
milliseconds timeStamp = duration_cast<milliseconds>(startTime - timeStamp_);
auto timeStamp = startTime - timeStamp_;
fprintf(file_, "%05" PRId64 "ms %s", (int64_t)timeStamp.count(), buffer.data()); // to the file
#ifdef HIPERF_DEBUG_TIME
logWriteTimes_ += duration_cast<microseconds>(steady_clock::now() - startWriteTime);
logWriteTimes_ += duration_cast<microseconds>(std::chrono::steady_clock::now() - startWriteTime);
#endif
}
#ifdef HIPERF_DEBUG_TIME
logTimes_ += duration_cast<microseconds>(steady_clock::now() - startTime);
logTimes_ += duration_cast<microseconds>(std::chrono::steady_clock::now() - startTime);
logCount_++;
#endif
if (level == LEVEL_FATAL && exitOnFatal_) {
@ -170,7 +166,7 @@ bool DebugLogger::SetLogPath(const std::string &newLogPath)
{
// make sure not write happend when rename
std::lock_guard<std::recursive_mutex> lock(logMutex_);
if (newLogPath.empty() and newLogPath != logPath_) {
if (newLogPath.empty() && newLogPath != logPath_) {
return false;
}
if (file_ != nullptr) {

6
src/hiperf_libreport.cpp
View File

@ -47,7 +47,7 @@ int Report(const char *perfFile, const char *reportFile, const char *reportOptio
{
std::unique_ptr<SubCommandReport> report = std::make_unique<SubCommandReport>();
HLOGD("report the file %s to %s\n", perfFile, reportFile);
if (perfFile != nullptr and reportFile != nullptr) {
if (perfFile != nullptr && reportFile != nullptr) {
std::vector<std::string> args;
args.emplace_back("-i");
args.emplace_back(perfFile);
@ -77,7 +77,7 @@ int ReportUnwindJson(const char *perfFile, const char *reportFile, const char *s
{
std::unique_ptr<SubCommandReport> report = std::make_unique<SubCommandReport>();
HLOGD("report the file %s to json file %s symbols from %s\n", perfFile, reportFile, symbolsDir);
if (perfFile != nullptr and reportFile != nullptr) {
if (perfFile != nullptr && reportFile != nullptr) {
std::vector<std::string> args;
args.emplace_back("-i");
args.emplace_back(perfFile);
@ -119,11 +119,13 @@ const char *ReportGetSymbolFiles(const char *perfFile)
static std::string result; // static for hold the c_str buffer
result.clear();
if (perfFile == nullptr) {
HLOGW("perfFile is nullptr.");
return result.c_str();
}
auto reader = GetReader(perfFile);
if (reader == nullptr) {
HLOGW("reader is nullptr.");
return result.c_str();
}
// found symbols in file

2
src/main.cpp
View File

@ -47,7 +47,7 @@ int main(const int argc, const char *argv[])
return -1;
}
if (argc < 0 || argc > 128) { // 128 : max input argument counts
if (argc > 128) { // 128 : max input argument counts
printf("The number of input arguments exceeds the upper limit.\n");
return -1;
}

2
src/option.cpp
View File

@ -63,7 +63,7 @@ std::vector<std::string>::iterator FindOption(argsVector &args, const std::strin
break;
}
}
auto it = find(args.begin(), args.end(), optionName);
auto it = std::find(args.begin(), args.end(), optionName);
if (it != args.end()) {
if (tmpit != args.end() && it > tmpit) {
it = args.end();

4
src/perf_event_record.cpp
View File

@ -20,8 +20,6 @@
#include "utilities.h"
using namespace OHOS::HiviewDFX;
using namespace std;
namespace OHOS {
namespace Developtools {
namespace HiPerf {
@ -339,7 +337,7 @@ void PerfRecordSample::ReplaceWithCallStack(size_t originalSize)
const size_t beginIpsSize = ips_.size();
bool ret = std::all_of(callFrames_.begin(), callFrames_.end(), [&](const DfxFrame &frame) {
ips_.emplace_back(frame.pc);
if (originalSize != 0 and (originalSize != callFrames_.size()) and
if (originalSize != 0 && (originalSize != callFrames_.size()) &&
ips_.size() == (originalSize + beginIpsSize)) {
// just for debug
// so we can see which frame begin is expand call frames

2
src/perf_events.cpp
View File

@ -412,7 +412,7 @@ void PerfEvents::SetConfig(std::map<const std::string, unsigned long long> &speO
bool PerfEvents::AddEvent(perf_type_id type, __u64 config, bool excludeUser, bool excludeKernel,
bool followGroup)
{
HLOG_ASSERT(!excludeUser or !excludeKernel);
HLOG_ASSERT(!excludeUser || !excludeKernel);
CHECK_TRUE(followGroup && eventGroupItem_.empty(), false, 1, "no group leader create before");
// found the event name
CHECK_TRUE(!IsEventSupport(type, config), false, 0, "");

5
src/perf_file_format.cpp
View File

@ -134,12 +134,13 @@ bool PerfFileSection::Read(std::string &value)
CHECK_TRUE(!Read(size), false, 0, "");
// if size large than buf size or 0 size ?
// don't assert for fuzz test
CHECK_TRUE(size == 0 or size > maxSize_, false, 0, "");
char buf[size];
CHECK_TRUE(size == 0 || size > maxSize_, false, 0, "");
char *buf = new char[size];
CHECK_TRUE(!Read(buf, size), false, 0, "");
CHECK_TRUE(buf[size - 1] != 0, false, 0, "");
value = buf;
HLOGDUMMY("Read String size %u buf : %s", size, value.c_str());
delete []buf;
return true;
}
void PerfFileSection::Skip(size_t size)

10
src/perf_file_reader.cpp
View File

@ -46,7 +46,9 @@ std::unique_ptr<PerfFileReader> PerfFileReader::Instance(const std::string &file
if (!reader->ReadFileHeader()) {
// Fail to read header, maybe its compressed
if (reader->IsGzipFile()) {
fclose(fp);
if (fp != nullptr) {
fclose(fp);
}
reader->fp_ = nullptr;
CHECK_TRUE(!UncompressFile(fileName, UNCOMPRESS_TMP_FILE), nullptr, 1,
@ -80,7 +82,7 @@ PerfFileReader::PerfFileReader(const std::string &fileName, FILE *fp) : fp_(fp),
featureSectionOffset_ = 0;
struct stat fileStat;
if (fp != nullptr) {
if (fstat(fileno(fp), &fileStat) != -1 and fileStat.st_size > 0) {
if (fstat(fileno(fp), &fileStat) != -1 && fileStat.st_size > 0) {
fileSize_ = fileStat.st_size;
}
}
@ -110,7 +112,7 @@ bool PerfFileReader::IsValidDataFile()
bool PerfFileReader::IsGzipFile()
{
return header_.magic[0] == '\x1f' and header_.magic[1] == '\x8b';
return header_.magic[0] == '\x1f' && header_.magic[1] == '\x8b';
}
bool PerfFileReader::ReadFileHeader()
@ -404,7 +406,7 @@ bool PerfFileReader::ReadFeatureSection()
HLOGV("process feature %d:%s", feature, PerfFileSection::GetFeatureName(feature).c_str());
HLOGV(" sectionHeader -> read offset '0x%" PRIx64 " size '0x%" PRIx64 "'",
sectionHeader.offset, sectionHeader.size);
CHECK_TRUE(sectionHeader.size == 0 or sectionHeader.size > fileSize_, false, 1,
CHECK_TRUE(sectionHeader.size == 0 || sectionHeader.size > fileSize_, false, 1,
"sectionHeader.size %" PRIu64 " is not correct", sectionHeader.size);
std::vector<char> buf(sectionHeader.size);

4
src/register.cpp
View File

@ -63,7 +63,7 @@ uint64_t GetSupportedRegMask(ArchType arch)
break;
default:
result = std::numeric_limits<uint64_t>::max();
HLOGE("unsupport arch %d", arch);
HLOGE("unsupport arch %u", arch);
break;
}
return result;
@ -272,7 +272,7 @@ ArchType GetDeviceArch()
void UpdateRegForABI(ArchType arch, u64 *regs)
{
if (g_deviceArchType == ArchType::ARCH_ARM64 and arch == ArchType::ARCH_ARM) {
if (g_deviceArchType == ArchType::ARCH_ARM64 && arch == ArchType::ARCH_ARM) {
// arm in arm64
regs[PERF_REG_ARM_PC] = regs[PERF_REG_ARM64_PC];
}

86
src/report.cpp
View File

@ -41,49 +41,47 @@ void Report::AddReportItem(const PerfRecordSample &sample, bool includeCallStack
configIndex, sample.data_.id);
VirtualThread &thread = virtualRuntime_.GetThread(sample.data_.pid, sample.data_.tid);
HLOG_ASSERT(sample.callFrames_.size() > 0);
if (sample.callFrames_.size() > 0) {
// if we need callstack ?
if (includeCallStack) {
// we will use caller mode , from last to first
auto frameIt = sample.callFrames_.rbegin();
// if we need callstack ?
if (includeCallStack) {
// we will use caller mode , from last to first
auto frameIt = sample.callFrames_.rbegin();
ReportItem &item = configs_[configIndex].reportItems_.emplace_back(
sample.data_.pid, sample.data_.tid, thread.name_, frameIt->mapName,
frameIt->funcName, frameIt->funcOffset, sample.data_.period);
HLOGD("ReportItem: %s", item.ToDebugString().c_str());
HLOG_ASSERT(!item.func_.empty());
std::vector<ReportItemCallFrame> *currentCallFrames = &item.callStacks_;
for (frameIt = sample.callFrames_.rbegin(); frameIt != sample.callFrames_.rend();
frameIt++) {
HLOG_ASSERT(frameIt->pc < PERF_CONTEXT_MAX);
// in add items case , right one should only have 1 callstack
// so just new callfames and move to next level
ReportItemCallFrame &nextCallFrame = currentCallFrames->emplace_back(
frameIt->funcName, frameIt->funcOffset, frameIt->mapName,
sample.data_.period,
(std::next(frameIt) == sample.callFrames_.rend()) ? sample.data_.period : 0);
HLOGV("add callframe %s", nextCallFrame.ToDebugString().c_str());
currentCallFrames = &nextCallFrame.childs;
}
HLOGV("callstack %zu", item.callStacks_.size());
if (item.callStacks_.size() > 0) {
HLOGV("callstack 2nd level %zu", item.callStacks_[0].childs.size());
}
} else {
auto frameIt = sample.callFrames_.begin();
if (frameIt != sample.callFrames_.end()) {
HLOG_ASSERT(frameIt->pc < PERF_CONTEXT_MAX);
// for arkjs frame, skip the stub.an frame
if (StringEndsWith(frameIt->mapName, "stub.an") && sample.callFrames_.size() > 1) {
HLOGV("stub.an frame, go to next, mapname %s", frameIt->mapName.c_str());
frameIt++;
}
ReportItem &item = configs_[configIndex].reportItems_.emplace_back(
sample.data_.pid, sample.data_.tid, thread.name_, frameIt->mapName,
frameIt->funcName, frameIt->funcOffset, sample.data_.period);
HLOGD("ReportItem: %s", item.ToDebugString().c_str());
HLOGV("%s", item.ToDebugString().c_str());
HLOG_ASSERT(!item.func_.empty());
std::vector<ReportItemCallFrame> *currentCallFrames = &item.callStacks_;
for (frameIt = sample.callFrames_.rbegin(); frameIt != sample.callFrames_.rend();
frameIt++) {
HLOG_ASSERT(frameIt->pc < PERF_CONTEXT_MAX);
// in add items case , right one should only have 1 callstack
// so just new callfames and move to next level
ReportItemCallFrame &nextCallFrame = currentCallFrames->emplace_back(
frameIt->funcName, frameIt->funcOffset, frameIt->mapName,
sample.data_.period,
(std::next(frameIt) == sample.callFrames_.rend()) ? sample.data_.period : 0);
HLOGV("add callframe %s", nextCallFrame.ToDebugString().c_str());
currentCallFrames = &nextCallFrame.childs;
}
HLOGV("callstack %zu", item.callStacks_.size());
if (item.callStacks_.size() > 0) {
HLOGV("callstack 2nd level %zu", item.callStacks_[0].childs.size());
}
} else {
auto frameIt = sample.callFrames_.begin();
if (frameIt != sample.callFrames_.end()) {
HLOG_ASSERT(frameIt->pc < PERF_CONTEXT_MAX);
// for arkjs frame, skip the stub.an frame
if (StringEndsWith(frameIt->mapName, "stub.an") && sample.callFrames_.size() > 1) {
HLOGV("stub.an frame, go to next, mapname %s", frameIt->mapName.c_str());
frameIt++;
}
ReportItem &item = configs_[configIndex].reportItems_.emplace_back(
sample.data_.pid, sample.data_.tid, thread.name_, frameIt->mapName,
frameIt->funcName, frameIt->funcOffset, sample.data_.period);
HLOGV("%s", item.ToDebugString().c_str());
HLOG_ASSERT(!item.func_.empty());
}
}
}
configs_[configIndex].sampleCount_++;
@ -321,7 +319,7 @@ bool Report::MultiLevelSorting(const ReportItem &a, const ReportItem &b)
#ifdef HIPERF_DEBUG
if (DebugLogger::GetInstance()->GetLogLevel() <= LEVEL_VERBOSE) {
bool result2 = MultiLevelCompare(b, a) > 0;
if (result and result == result2) {
if (result && result == result2) {
HLOGE("MultiLevelSorting a->b %d vs b->a %d", result, result2);
HLOGE("left %s", a.ToDebugString().c_str());
HLOGE("right %s", b.ToDebugString().c_str());
@ -456,14 +454,14 @@ void Report::OutputStdCallFrames(int indent, const ReportItemCallFrame &callFram
NO_RETVAL, 0, "");
// print it self
if (callFrame.selfEventCount_ != 0 and callFrame.selfEventCount_ != callFrame.eventCount_) {
if (callFrame.selfEventCount_ != 0 && callFrame.selfEventCount_ != callFrame.eventCount_) {
OutputStdCallFrame(indent + CALLSTACK_INDENT, "[run in self function]",
callFrame.selfEventCount_, callFrame.eventCount_);
}
// printf children
// if only one children
if (callFrame.childs.size() == 1u and
if (callFrame.childs.size() == 1u &&
callFrame.childs[0].eventCount_ == callFrame.eventCount_) {
HLOGV("childCallFream %*c %s", indent, ' ', callFrame.childs[0].func_.data());
// don't indent if same count (only one 100% children)
@ -519,7 +517,7 @@ void Report::OutputStdContentItem(const ReportItem &reportItem)
void Report::OutputStdItemHeating(float heat, float heat2)
{
if (heat == heat2 and heat == 0.0f) {
if (heat == heat2 && heat == 0.0f) {
fprintf(output_, "something error , all it is end.\n");
} else if (heat2 == 0) {
// only have first
@ -560,7 +558,7 @@ void Report::OutputStdContentDiff(ReportEventConfigItem &left, ReportEventConfig
if (MultiLevelSame(*it, *it2)) {
// we found the same item
// output the diff heating
if (it->heat > option_.heatLimit_ and it2->heat > option_.heatLimit_) {
if (it->heat > option_.heatLimit_ && it2->heat > option_.heatLimit_) {
OutputStdItemHeating(it->heat, it2->heat);
OutputStdContentItem(*it);
}

2
src/ring_buffer.cpp
View File

@ -57,7 +57,7 @@ uint8_t *RingBuffer::AllocForWrite(size_t writeSize)
if (writePos + writeSize > readPos) {
return nullptr;
}
} else if (writePos == readPos and writeHead != readHead) {
} else if (writePos == readPos && writeHead != readHead) {
// writePos catch up with readPos, but buffer is full
return nullptr;
} else {

20
src/spe_decoder.cpp
View File

@ -259,7 +259,9 @@ static int SpePktOutString(int *err, char **bufPtr, size_t *bufLen,
if (err && *err) {
return *err;
}
if (*bufLen - 1 < 0) {
HLOGW("SpePktOutString failed, bufLen: %d", static_cast<int>(*bufLen));
}
va_start(args, fmt);
ret = vsnprintf_s(*bufPtr, *bufLen, *bufLen - 1, fmt, args);
va_end(args);
@ -268,6 +270,7 @@ static int SpePktOutString(int *err, char **bufPtr, size_t *bufLen,
if (err && !*err) {
*err = ret;
}
HLOGW("vsnprintf_s failed: %d\n", ret);
/*
* If the return value is *bufLen or greater, the output was
@ -627,21 +630,6 @@ static u64 SpeCalcIp(int index, u64 payload)
return payload;
}
struct SpeDecoder *SpeDecoderNew(struct SpeParams *params)
{
CHECK_TRUE(params == nullptr, nullptr, 1, "Invalid pointer!");
struct SpeDecoder *decoder;
decoder = static_cast<struct SpeDecoder*>(malloc(sizeof(struct SpeDecoder)));
if (!decoder) {
return NULL;
}
decoder->data = params->data;
return decoder;
}
void SpeDecoderFree(struct SpeDecoder *decoder)
{
CHECK_TRUE(decoder == nullptr, NO_RETVAL, 1, "Invalid pointer!");

5
src/subcommand.cpp
View File

@ -18,7 +18,6 @@
#include "debug_logger.h"
#include "option.h"
using namespace std;
namespace OHOS {
namespace Developtools {
namespace HiPerf {
@ -146,7 +145,7 @@ void SubCommand::ExcludeThreadsFromSelectTids(const std::vector<std::string> &ex
}
}
bool SubCommand::RegisterSubCommand(std::string cmdName, std::unique_ptr<SubCommand> subCommand)
bool SubCommand::RegisterSubCommand(const std::string& cmdName, std::unique_ptr<SubCommand> subCommand)
{
HLOGV("%s", cmdName.c_str());
if (cmdName.empty()) {
@ -158,7 +157,7 @@ bool SubCommand::RegisterSubCommand(std::string cmdName, std::unique_ptr<SubComm
return false;
}
if (g_SubCommandsMap.count(cmdName) == 0) {
if (g_SubCommandsMap.find(cmdName) == g_SubCommandsMap.end()) {
std::lock_guard<std::mutex> lock(g_subCommandMutex);
g_SubCommandsMap.insert(std::make_pair(cmdName, std::move(subCommand)));
return true;

12
src/subcommand_dump.cpp
View File

@ -381,13 +381,15 @@ void SubCommandDump::DumpAttrPortion(int indent)
void SubCommandDump::ExprotUserStack(const PerfRecordSample &recordSample)
{
if (recordSample.data_.reg_nr > 0 and recordSample.data_.dyn_size > 0) {
if (recordSample.data_.reg_nr > 0 && recordSample.data_.dyn_size > 0) {
// <pid>_<tid>_user_regs_<time>
std::string userRegs =
StringPrintf("hiperf_%d_%d_user_regs_%zu.dump", recordSample.data_.pid,
recordSample.data_.tid, exportSampleIndex_);
std::string resolvedPath = CanonicalizeSpecPath(userRegs.c_str());
std::unique_ptr<FILE, decltype(&fclose)> fpUserRegs(fopen(resolvedPath.c_str(), "wb"), fclose);
FILE *userRegsFp = fopen(resolvedPath.c_str(), "wb");
CHECK_TRUE(userRegsFp == nullptr, NO_RETVAL, 1, "open userRegs failed");
std::unique_ptr<FILE, decltype(&fclose)> fpUserRegs(userRegsFp, fclose);
fwrite(recordSample.data_.user_regs, sizeof(u64), recordSample.data_.reg_nr,
fpUserRegs.get());
@ -395,7 +397,9 @@ void SubCommandDump::ExprotUserStack(const PerfRecordSample &recordSample)
StringPrintf("hiperf_%d_%d_user_data_%zu.dump", recordSample.data_.pid,
recordSample.data_.tid, exportSampleIndex_);
std::string resolvePath = CanonicalizeSpecPath(userData.c_str());
std::unique_ptr<FILE, decltype(&fclose)> fpUserData(fopen(resolvePath.c_str(), "wb"), fclose);
FILE *UserDataFp = fopen(resolvePath.c_str(), "wb");
CHECK_TRUE(UserDataFp == nullptr, NO_RETVAL, 1, "open UserData failed");
std::unique_ptr<FILE, decltype(&fclose)> fpUserData(UserDataFp, fclose);
fwrite(recordSample.data_.stack_data, sizeof(u8), recordSample.data_.dyn_size,
fpUserData.get());
}
@ -592,7 +596,7 @@ void SubCommandDump::SetHM()
if (isHM_) {
pid_t devhost = -1;
std::string str = reader_->GetFeatureString(FEATURE::HIPERF_HM_DEVHOST);
if (IsNumberic(str)) {
if (IsNumeric(str)) {
devhost = std::stoll(str);
}
vr_.SetDevhostPid(devhost);

1
src/subcommand_help.cpp
View File

@ -15,7 +15,6 @@
#include "subcommand_help.h"
#include "debug_logger.h"
using namespace std;
namespace OHOS {
namespace Developtools {

24
src/subcommand_record.cpp
View File

@ -181,7 +181,7 @@ bool SubCommandRecord::GetSpeOptions()
for (auto item: valueExpressions) {
std::vector<std::string> expressions = StringSplit(item, "=");
size_t itemNum = 2;
if (expressions.size() == itemNum && IsNumberic(expressions[1])) {
if (expressions.size() == itemNum && IsNumeric(expressions[1])) {
std::string name = expressions[0];
unsigned long long num = std::stoull(expressions[1]);
if (speOptMap_.find(name) != speOptMap_.end()) {
@ -544,7 +544,7 @@ bool SubCommandRecord::CheckTargetProcessOptions()
}
hasTarget = true;
}
if (!hasTarget and (controlCmd_.empty() or controlCmd_ == CONTROL_CMD_PREPARE)) {
if (!hasTarget && (controlCmd_.empty() || controlCmd_ == CONTROL_CMD_PREPARE)) {
printf("please select a target process\n");
return false;
}
@ -601,11 +601,11 @@ bool SubCommandRecord::ParseDataLimitOption(const std::string &str)
{
uint unit = 1;
char c = str.at(str.size() >= 1 ? str.size() - 1 : 0);
if (c == 'K' or c == 'k') {
if (c == 'K' || c == 'k') {
unit = KILO;
} else if (c == 'm' or c == 'M') {
} else if (c == 'm' || c == 'M') {
unit = KILO * KILO;
} else if (c == 'g' or c == 'G') {
} else if (c == 'g' || c == 'G') {
unit = KILO * KILO * KILO;
} else {
return false;
@ -697,8 +697,8 @@ bool SubCommandRecord::ParseBranchSampleType(const std::vector<std::string> &vec
bool SubCommandRecord::ParseControlCmd(const std::string cmd)
{
if (cmd.empty() or cmd == CONTROL_CMD_PREPARE or cmd == CONTROL_CMD_START or
cmd == CONTROL_CMD_PAUSE or cmd == CONTROL_CMD_RESUME or cmd == CONTROL_CMD_STOP) {
if (cmd.empty() || cmd == CONTROL_CMD_PREPARE || cmd == CONTROL_CMD_START ||
cmd == CONTROL_CMD_PAUSE || cmd == CONTROL_CMD_RESUME || cmd == CONTROL_CMD_STOP) {
return true;
}
@ -783,7 +783,7 @@ bool SubCommandRecord::TraceOffCpu()
int enable = -1;
std::string node = SCHED_SWITCH;
const std::string nodeDebug = SCHED_SWITCH_DEBUG;
CHECK_TRUE(!ReadIntFromProcFile(node.c_str(), enable) and !ReadIntFromProcFile(nodeDebug.c_str(), enable),
CHECK_TRUE(!ReadIntFromProcFile(node.c_str(), enable) && !ReadIntFromProcFile(nodeDebug.c_str(), enable),
false, LOG_TYPE_PRINTF, "Cannot trace off CPU, event sched:sched_switch is not available (%s or %s)\n",
node.c_str(), nodeDebug.c_str());
@ -905,7 +905,7 @@ bool SubCommandRecord::PrepareVirtualRuntime()
// do some config for virtualRuntime_
virtualRuntime_.SetCallStackExpend(disableCallstackExpend_ ? 0 : 1);
// these is same for virtual runtime
virtualRuntime_.SetDisableUnwind(disableUnwind_ or delayUnwind_);
virtualRuntime_.SetDisableUnwind(disableUnwind_ || delayUnwind_);
virtualRuntime_.EnableDebugInfoSymbolic(enableDebugInfoSymbolic_);
if (!symbolDir_.empty()) {
if (!virtualRuntime_.SetSymbolsPaths(symbolDir_)) {
@ -1089,7 +1089,7 @@ bool SubCommandRecord::CreateFifoServer()
{
char errInfo[ERRINFOLEN] = { 0 };
const mode_t fifoMode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
if (mkfifo(CONTROL_FIFO_FILE_S2C.c_str(), fifoMode) != 0 or
if (mkfifo(CONTROL_FIFO_FILE_S2C.c_str(), fifoMode) != 0 ||
mkfifo(CONTROL_FIFO_FILE_C2S.c_str(), fifoMode) != 0) {
if (errno == EEXIST) {
printf("another sampling service is running.\n");
@ -1134,7 +1134,7 @@ bool SubCommandRecord::CreateFifoServer()
if (fd != -1) {
WaitFifoReply(fd, CONTROL_WAITREPY_TOMEOUT, reply);
}
if (fd == -1 or reply != HiperfClient::ReplyOK) {
if (fd == -1 || reply != HiperfClient::ReplyOK) {
if (reply != HiperfClient::ReplyOK) {
printf("%s\n", reply.c_str());
}
@ -1225,7 +1225,7 @@ bool SubCommandRecord::OnSubCommand(std::vector<std::string> &args)
}
// prepare PerfEvents
if (!PrepareSysKernel() or !PreparePerfEvent()) {
if (!PrepareSysKernel() || !PreparePerfEvent()) {
return false;
}

16
src/subcommand_report.cpp
View File

@ -123,14 +123,14 @@ void SubCommandReport::DumpOptions() const
bool SubCommandReport::VerifyDisplayOption()
{
for (std::string &number : reportOption_.displayPids_) {
if (!IsDigits(number) or number.front() == '-') {
if (!IsDigits(number) || number.front() == '-') {
printf("error number for pid '%s'\n", number.c_str());
return false;
}
}
for (std::string &number : reportOption_.displayTids_) {
if (!IsDigits(number) or number.front() == '-') {
if (!IsDigits(number) || number.front() == '-') {
printf("error number for tid '%s'\n", number.c_str());
return false;
}
@ -151,11 +151,11 @@ bool SubCommandReport::VerifyOption()
}
const float min = 0.0;
const float max = 100.0;
if (reportOption_.heatLimit_ < min or reportOption_.heatLimit_ > max) {
if (reportOption_.heatLimit_ < min || reportOption_.heatLimit_ > max) {
printf("head limit error. must in (0 <= limit < 100).\n");
return false;
}
if (reportOption_.callStackHeatLimit_ < min or reportOption_.callStackHeatLimit_ > max) {
if (reportOption_.callStackHeatLimit_ < min || reportOption_.callStackHeatLimit_ > max) {
printf("head limit error. must in (0 <= limit < 100).\n");
return false;
}
@ -164,7 +164,7 @@ bool SubCommandReport::VerifyOption()
return false;
}
if (!recordFile_[SECOND].empty()) {
if (protobufFormat_ or jsonFormat_ or showCallStack_) {
if (protobufFormat_ || jsonFormat_ || showCallStack_) {
printf("diff don't support any export mode(like json , flame or proto)\n");
} else {
diffMode_ = true;
@ -256,7 +256,7 @@ bool SubCommandReport::RecordCallBack(std::unique_ptr<PerfEventRecord> record)
HLOGV("current sample period %llu ", sample->data_.period);
}
}
if (cpuOffMode_ and cpuOffids_.size() > 0 and cpuOffids_.count(sample->data_.id) > 0) {
if (cpuOffMode_ && cpuOffids_.size() > 0 && cpuOffids_.count(sample->data_.id) > 0) {
BroadcastSample(sample);
} else {
ProcessSample(sample);
@ -369,7 +369,7 @@ void SubCommandReport::LoadEventDesc()
HLOGV("event name[%zu]: %s ids: %s", i, fileAttr.name.c_str(),
VectorToString(fileAttr.ids).c_str());
if (cpuOffMode_ and fileAttr.name == cpuOffEventName) {
if (cpuOffMode_ && fileAttr.name == cpuOffEventName) {
// found cpuoff event id
std::set<uint64_t> cpuOffids(fileAttr.ids.begin(), fileAttr.ids.end());
cpuOffids_ = cpuOffids;
@ -440,7 +440,7 @@ void SubCommandReport::FlushCacheRecord()
for (auto &pair : prevSampleCache_) {
std::unique_ptr<PerfRecordSample> sample = std::move(pair.second);
sample->data_.period = 1u;
if (cpuOffMode_ and cpuOffids_.size() > 0 and cpuOffids_.count(sample->data_.id) > 0) {
if (cpuOffMode_ && cpuOffids_.size() > 0 && cpuOffids_.count(sample->data_.id) > 0) {
BroadcastSample(sample);
} else {
ProcessSample(sample);

12
src/subcommand_stat.cpp
View File

@ -26,7 +26,7 @@
#include "utilities.h"
const uint16_t ONE_HUNDRED = 100;
const uint16_t THOUSNADS_SEPARATOR = 3;
const uint16_t THOUSANDS_SEPARATOR = 3;
namespace OHOS {
namespace Developtools {
namespace HiPerf {
@ -56,7 +56,7 @@ void SubCommandStat::DumpOptions() const
bool SubCommandStat::ParseOption(std::vector<std::string> &args)
{
if (args.size() == 1 and args[0] == "-h") {
if (args.size() == 1 && args[0] == "-h") {
args.clear();
helpOption_ = true;
PrintUsage();
@ -203,7 +203,7 @@ void SubCommandStat::PrintPerValue(const std::unique_ptr<PerfEvents::ReportSum>
// print value
std::string strEventCount = std::to_string(reportSum->eventCountSum);
for (size_t i = strEventCount.size() >= 1 ? strEventCount.size() - 1 : 0, j = 1; i > 0; --i, ++j) {
if (j == THOUSNADS_SEPARATOR) {
if (j == THOUSANDS_SEPARATOR) {
j = 0;
strEventCount.insert(strEventCount.begin() + i, ',');
}
@ -306,7 +306,7 @@ void SubCommandStat::ReportNormal(
std::string comment = comments[configName];
std::string strEventCount = std::to_string(it->second->eventCount);
for (size_t i = strEventCount.size() >= 1 ? strEventCount.size() - 1 : 0, j = 1; i > 0; --i, ++j) {
if (j == THOUSNADS_SEPARATOR) {
if (j == THOUSANDS_SEPARATOR) {
strEventCount.insert(strEventCount.begin() + i, ',');
j = 0;
}
@ -610,7 +610,9 @@ bool SubCommandStat::CheckOptionPid(std::vector<pid_t> pids)
}
for (auto pid : pids) {
if (!IsDir("/proc/" + std::to_string(pid))) {
std::ostringstream oss;
oss << "/proc/" << pid;
if (!IsDir(oss.str())) {
printf("not exit pid %d\n", pid);
return false;
}

9
src/symbols_file.cpp
View File

@ -43,9 +43,6 @@
#include "utilities.h"
#include "ipc_utilities.h"
using namespace OHOS::HiviewDFX;
using namespace std::chrono;
namespace OHOS {
namespace Developtools {
namespace HiPerf {
@ -98,7 +95,7 @@ std::string SymbolsFile::SearchReadableFile(const std::vector<std::string> &sear
const std::string &filePath) const
{
if (filePath.empty()) {
HLOGW("nothing to found");
HLOGW("filePath is empty, nothing to found");
return filePath;
}
for (auto searchPath : searchPaths) {
@ -154,7 +151,7 @@ const std::string SymbolsFile::FindSymbolFile(
// only access the patch in onRecording_
// in report mode we don't load any thing in runtime path
if (foundPath.empty() and onRecording_) {
if (foundPath.empty() && onRecording_) {
// try access direct at last
if (CheckPathReadable(symboleFilePath)) {
// found direct folder
@ -799,7 +796,7 @@ public:
bool LoadSymbols(std::shared_ptr<DfxMap> map, const std::string &symbolFilePath) override
{
symbolsLoaded_ = true;
if (module_ == filePath_ and onRecording_) {
if (module_ == filePath_ && onRecording_) {
// file name still not convert to ko file path
// this is in record mode
HLOGV("find ko name %s", module_.c_str());

26
src/tracked_command.cpp
View File

@ -24,6 +24,8 @@
namespace OHOS {
namespace Developtools {
namespace HiPerf {
static uint64_t MAX_LOOP_COUNT = 10000;
std::unique_ptr<TrackedCommand> TrackedCommand::CreateInstance(const std::vector<std::string> &args)
{
std::unique_ptr<TrackedCommand> command {new (std::nothrow) TrackedCommand(args)};
@ -104,9 +106,14 @@ bool TrackedCommand::StartCommand()
// send start signal to start execution of command
ssize_t nbyte {0};
char startSignal {1};
int loopCount = 0;
while (true) {
nbyte = write(startFd_, &startSignal, 1);
if (nbyte == -1) {
if (loopCount++ > MAX_LOOP_COUNT) {
HLOGE("read failed.");
break;
}
continue;
}
break;
@ -115,9 +122,14 @@ bool TrackedCommand::StartCommand()
// check execution state of command
// read acknowledgement signal
char ackSignal {0};
loopCount = 0;
while (true) {
nbyte = read(ackFd_, &ackSignal, 1);
if (nbyte == -1 and (errno == EINTR or errno == EIO)) {
if (nbyte == -1 && (errno == EINTR || errno == EIO)) {
if (loopCount++ > MAX_LOOP_COUNT) {
HLOGE("read failed.");
break;
}
continue;
}
HLOGE("*** nbyte: %zd, ackSignal: %d ***\n", nbyte, ackSignal);
@ -140,9 +152,14 @@ void TrackedCommand::ExecuteCommand(const int &startFd, const int &ackFd)
// waiting start signal
char startSignal {0};
ssize_t nbyte {0};
int loopCount = 0;
while (true) {
nbyte = read(startFd, &startSignal, 1);
if (nbyte == -1) {
if (loopCount++ > MAX_LOOP_COUNT) {
HLOGE("read failed.");
break;
}
continue;
}
break;
@ -162,9 +179,14 @@ void TrackedCommand::ExecuteCommand(const int &startFd, const int &ackFd)
}
// execv() or execvp() failed, send failure signal
char ackSignal {1};
loopCount = 0;
while (true) {
nbyte = write(ackFd, &ackSignal, 1);
if (nbyte == -1) {
if (loopCount++ > MAX_LOOP_COUNT) {
HLOGE("read failed.");
break;
}
continue;
}
break;
@ -180,7 +202,7 @@ bool TrackedCommand::WaitCommand(int &wstatus)
pid_t pid = waitpid(childPid_, &wstatus, WNOHANG);
if (pid == 0) {
return false;
} else { // pid == childPid_ or pid == -1
} else { // pid == childPid_ || pid == -1
childPid_ = -1;
state_ = State::COMMAND_STOPPED;
return true;

2
src/unique_stack_table.cpp
View File

@ -182,8 +182,8 @@ bool UniqueStackTable::GetIpsByStackId(StackId stackId, std::vector<u64>& ips)
bool UniqueStackTable::ImportNode(uint32_t index, const Node& node)
{
Node *tableHead = reinterpret_cast<Node *>(tableBuf_.get());
CHECK_TRUE(index >= tableSize_, false, 0, "");
Node *tableHead = reinterpret_cast<Node *>(tableBuf_.get());
tableHead[index].value = node.value;
return true;
}

4
src/utilities.cpp
View File

@ -280,7 +280,7 @@ std::string ReadFileToString(const std::string &fileName)
{
std::string resolvedPath = CanonicalizeSpecPath(fileName.c_str());
std::ifstream inputString(resolvedPath, std::ios::in);
if (!inputString or !inputString.is_open()) {
if (!inputString || !inputString.is_open()) {
return EMPTY_STRING;
}
std::istreambuf_iterator<char> firstIt = {inputString};
@ -845,7 +845,7 @@ bool IsHiviewCall()
#endif
}
bool IsNumberic(const std::string& str)
bool IsNumeric(const std::string& str)
{
std::istringstream iss(str);
int number;

17
src/virtual_runtime.cpp
View File

@ -248,7 +248,11 @@ void VirtualRuntime::UpdateKernelModulesSpaceMaps()
while (getline(ifs, line)) {
uint64_t addr = 0;
uint64_t size = 0;
char module[line.size()];
uint64_t lineSize = line.size();
if (lineSize > 4096) { // 4096: line length
continue;
}
char *module = new char[lineSize];
/*
name size load map
hi_mipi_rx 53248 0 - Live 0xbf109000 (O)
@ -262,7 +266,7 @@ void VirtualRuntime::UpdateKernelModulesSpaceMaps()
hi3516cv500_base,sys_config,hi_proc,hi_irq,Live 0xbf000000 (O)
*/
int ret = sscanf_s(line.c_str(), "%s%" PRIu64 "%*u%*s%*s 0x%" PRIx64 "", module,
sizeof(module), &size, &addr, sizeof(addr));
lineSize, &size, &addr, sizeof(addr));
constexpr int numSlices {3};
if (ret == numSlices) {
auto &map = koMaps.emplace_back(addr, addr + size, 0, "", std::string(module));
@ -270,6 +274,7 @@ void VirtualRuntime::UpdateKernelModulesSpaceMaps()
} else {
HLOGE("unknown line %d: '%s'", ret, line.c_str());
}
delete []module;
}
if (std::all_of(koMaps.begin(), koMaps.end(),
@ -1062,13 +1067,13 @@ const DfxSymbol VirtualRuntime::GetUserSymbol(uint64_t ip, const VirtualThread &
bool VirtualRuntime::GetSymbolCache(uint64_t fileVaddr, DfxSymbol &symbol,
const perf_callchain_context &context)
{
if (context == PERF_CONTEXT_MAX and kThreadSymbolCache_.count(fileVaddr)) {
if (context == PERF_CONTEXT_MAX && kThreadSymbolCache_.count(fileVaddr)) {
CHECK_TRUE(kThreadSymbolCache_.find(symbol.fileVaddr_) == kThreadSymbolCache_.end(), false, 0, "");
symbol = kThreadSymbolCache_[symbol.fileVaddr_];
symbol.hit_++;
HLOGV("hit kernel thread cache 0x%" PRIx64 " %d", fileVaddr, symbol.hit_);
return true;
} else if (context != PERF_CONTEXT_USER and kernelSymbolCache_.count(fileVaddr)) {
} else if (context != PERF_CONTEXT_USER && kernelSymbolCache_.count(fileVaddr)) {
CHECK_TRUE(kernelSymbolCache_.find(symbol.fileVaddr_) == kernelSymbolCache_.end(), false, 0, "");
symbol = kernelSymbolCache_[symbol.fileVaddr_];
symbol.hit_++;
@ -1110,7 +1115,7 @@ DfxSymbol VirtualRuntime::GetSymbol(uint64_t ip, pid_t pid, pid_t tid, const per
}
}
if (context == PERF_CONTEXT_USER or (context == PERF_CONTEXT_MAX and !symbol.IsValid())) {
if (context == PERF_CONTEXT_USER || (context == PERF_CONTEXT_MAX && !symbol.IsValid())) {
// check userspace memmap
symbol = GetUserSymbol(ip, GetThread(pid, tid));
if (userSymbolCache_.find(symbol.fileVaddr_) == userSymbolCache_.end()) {
@ -1121,7 +1126,7 @@ DfxSymbol VirtualRuntime::GetSymbol(uint64_t ip, pid_t pid, pid_t tid, const per
userSymbolCache_[symbol.fileVaddr_].ToDebugString().c_str());
}
if (context == PERF_CONTEXT_KERNEL or (context == PERF_CONTEXT_MAX and !symbol.IsValid())) {
if (context == PERF_CONTEXT_KERNEL || (context == PERF_CONTEXT_MAX && !symbol.IsValid())) {
// check kernelspace
HLOGM("try found addr in kernelspace %zu maps", kernelSpaceMemMaps_.size());
symbol = GetKernelSymbol(ip, kernelSpaceMemMaps_, GetThread(pid, tid));

2
src/virtual_thread.cpp
View File

@ -366,7 +366,7 @@ void VirtualThread::SortMemMaps()
{
for (int currPos = 1; currPos < static_cast<int>(memMaps_.size()); ++currPos) {
int targetPos = currPos - 1;
while (targetPos >= 0 and memMaps_[memMapsIndexs_[currPos]]->end < memMaps_[memMapsIndexs_[targetPos]]->end) {
while (targetPos >= 0 && memMaps_[memMapsIndexs_[currPos]]->end < memMaps_[memMapsIndexs_[targetPos]]->end) {
--targetPos;
}
if (targetPos < currPos - 1) {