X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=gui%2Ftraceloader.cpp;h=6110c5972d6416752bc82a1c0472812625907549;hb=dfd413a5f54bd450850b5e84886949bcdf85b1e7;hp=77e8750e2a5cfd5eb61462aef782eaca502b284e;hpb=3176ebeffe825a5f998b13755c09cfa312b0e8d3;p=apitrace diff --git a/gui/traceloader.cpp b/gui/traceloader.cpp index 77e8750..6110c59 100644 --- a/gui/traceloader.cpp +++ b/gui/traceloader.cpp @@ -7,7 +7,7 @@ #define FRAMES_TO_CACHE 100 static ApiTraceCall * -apiCallFromTraceCall(const Trace::Call *call, +apiCallFromTraceCall(const trace::Call *call, const QHash &helpHash, ApiTraceFrame *frame, TraceLoader *loader) @@ -20,14 +20,15 @@ apiCallFromTraceCall(const Trace::Call *call, } TraceLoader::TraceLoader(QObject *parent) - : QObject(parent), - m_frameMarker(ApiTrace::FrameMarker_SwapBuffers) + : QObject(parent) { } TraceLoader::~TraceLoader() { m_parser.close(); + qDeleteAll(m_signatures); + qDeleteAll(m_enumSignatures); } void TraceLoader::loadTrace(const QString &filename) @@ -36,112 +37,50 @@ void TraceLoader::loadTrace(const QString &filename) loadHelpFile(); } + if (!m_frameBookmarks.isEmpty()) { + qDeleteAll(m_signatures); + qDeleteAll(m_enumSignatures); + m_signatures.clear(); + m_enumSignatures.clear(); + m_frameBookmarks.clear(); + m_createdFrames.clear(); + m_parser.close(); + } + if (!m_parser.open(filename.toLatin1())) { qDebug() << "error: failed to open " << filename; return; } - qDebug()<<"load trace with "< m_frameOffsets.size()) { + if (frameIdx >= m_frameBookmarks.size()) { return 0; } - FrameOffsets::const_iterator itr = - m_frameOffsets.find(frameIdx); + FrameBookmarks::const_iterator itr = + m_frameBookmarks.find(frameIdx); return itr->numberOfCalls; } @@ -169,56 +108,53 @@ void TraceLoader::scanTrace() QList frames; ApiTraceFrame *currentFrame = 0; - Trace::Call *call; - Trace::File::Offset startOffset; + trace::Call *call; + trace::ParseBookmark startBookmark; int numOfFrames = 0; int numOfCalls = 0; - unsigned callNum = 0; int lastPercentReport = 0; - startOffset = m_parser.currentOffset(); - callNum = m_parser.currentCallNumber(); + m_parser.getBookmark(startBookmark); while ((call = m_parser.scan_call())) { ++numOfCalls; - if (isCallAFrameMarker(call)) { - Trace::File::Offset endOffset = m_parser.currentOffset(); - FrameOffset frameOffset(startOffset); - frameOffset.numberOfCalls = numOfCalls; - frameOffset.callNumber = callNum; + if (call->flags & trace::CALL_FLAG_END_FRAME) { + FrameBookmark frameBookmark(startBookmark); + frameBookmark.numberOfCalls = numOfCalls; currentFrame = new ApiTraceFrame(); currentFrame->number = numOfFrames; currentFrame->setNumChildren(numOfCalls); + currentFrame->setLastCallIndex(call->no); frames.append(currentFrame); - m_frameOffsets[numOfFrames] = frameOffset; + m_createdFrames.append(currentFrame); + m_frameBookmarks[numOfFrames] = frameBookmark; ++numOfFrames; if (m_parser.percentRead() - lastPercentReport >= 5) { emit parsed(m_parser.percentRead()); lastPercentReport = m_parser.percentRead(); } - startOffset = endOffset; - callNum = m_parser.currentCallNumber(); + m_parser.getBookmark(startBookmark); numOfCalls = 0; } delete call; } if (numOfCalls) { - //Trace::File::Offset endOffset = m_parser.currentOffset(); - FrameOffset frameOffset(startOffset); - frameOffset.numberOfCalls = numOfCalls; - frameOffset.callNumber = callNum; + //trace::File::Bookmark endBookmark = m_parser.currentBookmark(); + FrameBookmark frameBookmark(startBookmark); + frameBookmark.numberOfCalls = numOfCalls; currentFrame = new ApiTraceFrame(); currentFrame->number = numOfFrames; currentFrame->setNumChildren(numOfCalls); frames.append(currentFrame); - m_frameOffsets[numOfFrames] = frameOffset; + m_createdFrames.append(currentFrame); + m_frameBookmarks[numOfFrames] = frameBookmark; ++numOfFrames; } @@ -237,7 +173,7 @@ void TraceLoader::parseTrace() int lastPercentReport = 0; - Trace::Call *call = m_parser.parse_call(); + trace::Call *call = m_parser.parse_call(); while (call) { //std::cout << *call; if (!currentFrame) { @@ -253,8 +189,7 @@ void TraceLoader::parseTrace() apiCall->arguments()[apiCall->binaryDataIndex()].toByteArray(); binaryDataSize += data.size(); } - if (ApiTrace::isCallAFrameMarker(apiCall, - m_frameMarker)) { + if (call->flags & trace::CALL_FLAG_END_FRAME) { calls.squeeze(); currentFrame->setCalls(calls, binaryDataSize); calls.clear(); @@ -319,4 +254,235 @@ void TraceLoader::addEnumSignature(unsigned id, ApiTraceEnumSignature *signature m_enumSignatures[id] = signature; } +void TraceLoader::searchNext(const ApiTrace::SearchRequest &request) +{ + Q_ASSERT(m_parser.supportsOffsets()); + if (m_parser.supportsOffsets()) { + int startFrame = m_createdFrames.indexOf(request.frame); + const FrameBookmark &frameBookmark = m_frameBookmarks[startFrame]; + m_parser.setBookmark(frameBookmark.start); + trace::Call *call = 0; + while ((call = m_parser.parse_call())) { + + if (callContains(call, request.text, request.cs)) { + unsigned frameIdx = callInFrame(call->no); + ApiTraceFrame *frame = m_createdFrames[frameIdx]; + const QVector calls = + fetchFrameContents(frame); + for (int i = 0; i < calls.count(); ++i) { + if (calls[i]->index() == call->no) { + emit searchResult(request, ApiTrace::SearchResult_Found, + calls[i]); + break; + } + } + delete call; + return; + } + + delete call; + } + } + emit searchResult(request, ApiTrace::SearchResult_NotFound, 0); +} + +void TraceLoader::searchPrev(const ApiTrace::SearchRequest &request) +{ + Q_ASSERT(m_parser.supportsOffsets()); + if (m_parser.supportsOffsets()) { + int startFrame = m_createdFrames.indexOf(request.frame); + trace::Call *call = 0; + QList frameCalls; + int frameIdx = startFrame; + + const FrameBookmark &frameBookmark = m_frameBookmarks[frameIdx]; + int numCallsToParse = frameBookmark.numberOfCalls; + m_parser.setBookmark(frameBookmark.start); + + while ((call = m_parser.parse_call())) { + + frameCalls.append(call); + --numCallsToParse; + + if (numCallsToParse == 0) { + bool foundCall = searchCallsBackwards(frameCalls, + frameIdx, + request); + + qDeleteAll(frameCalls); + frameCalls.clear(); + if (foundCall) { + return; + } + + --frameIdx; + + if (frameIdx >= 0) { + const FrameBookmark &frameBookmark = + m_frameBookmarks[frameIdx]; + m_parser.setBookmark(frameBookmark.start); + numCallsToParse = frameBookmark.numberOfCalls; + } + } + } + } + emit searchResult(request, ApiTrace::SearchResult_NotFound, 0); +} + +bool TraceLoader::searchCallsBackwards(const QList &calls, + int frameIdx, + const ApiTrace::SearchRequest &request) +{ + for (int i = calls.count() - 1; i >= 0; --i) { + trace::Call *call = calls[i]; + if (callContains(call, request.text, request.cs)) { + ApiTraceFrame *frame = m_createdFrames[frameIdx]; + const QVector apiCalls = + fetchFrameContents(frame); + for (int i = 0; i < apiCalls.count(); ++i) { + if (apiCalls[i]->index() == call->no) { + emit searchResult(request, + ApiTrace::SearchResult_Found, + apiCalls[i]); + break; + } + } + return true; + } + } + return false; +} + +int TraceLoader::callInFrame(int callIdx) const +{ + unsigned numCalls = 0; + + for (int frameIdx = 0; frameIdx < m_frameBookmarks.size(); ++frameIdx) { + const FrameBookmark &frameBookmark = m_frameBookmarks[frameIdx]; + unsigned firstCall = numCalls; + unsigned endCall = numCalls + frameBookmark.numberOfCalls; + if (firstCall <= callIdx && endCall > callIdx) { + return frameIdx; + } + numCalls = endCall; + } + Q_ASSERT(!"call not in the trace"); + return 0; +} + +bool TraceLoader::callContains(trace::Call *call, + const QString &str, + Qt::CaseSensitivity sensitivity) +{ + /* + * FIXME: do string comparison directly on trace::Call + */ + ApiTraceCall *apiCall = apiCallFromTraceCall(call, m_helpHash, + 0, this); + bool result = apiCall->contains(str, sensitivity); + delete apiCall; + return result; +} + +QVector +TraceLoader::fetchFrameContents(ApiTraceFrame *currentFrame) +{ + Q_ASSERT(currentFrame); + + if (currentFrame->isLoaded()) { + return currentFrame->calls(); + } + + if (m_parser.supportsOffsets()) { + unsigned frameIdx = currentFrame->number; + int numOfCalls = numberOfCallsInFrame(frameIdx); + + if (numOfCalls) { + quint64 binaryDataSize = 0; + QVector calls(numOfCalls); + const FrameBookmark &frameBookmark = m_frameBookmarks[frameIdx]; + + m_parser.setBookmark(frameBookmark.start); + + trace::Call *call; + int parsedCalls = 0; + while ((call = m_parser.parse_call())) { + ApiTraceCall *apiCall = + apiCallFromTraceCall(call, m_helpHash, + currentFrame, this); + Q_ASSERT(apiCall); + Q_ASSERT(parsedCalls < calls.size()); + calls[parsedCalls++] = apiCall; + if (apiCall->hasBinaryData()) { + QByteArray data = + apiCall->arguments()[ + apiCall->binaryDataIndex()].toByteArray(); + binaryDataSize += data.size(); + } + + delete call; + + if (apiCall->flags() & trace::CALL_FLAG_END_FRAME) { + break; + } + + } + // There can be fewer parsed calls when call in different + // threads cross the frame boundary + Q_ASSERT(parsedCalls <= numOfCalls); + Q_ASSERT(parsedCalls <= calls.size()); + calls.resize(parsedCalls); + calls.squeeze(); + + Q_ASSERT(parsedCalls <= currentFrame->numChildrenToLoad()); + emit frameContentsLoaded(currentFrame, + calls, binaryDataSize); + return calls; + } + } + return QVector(); +} + +void TraceLoader::findFrameStart(ApiTraceFrame *frame) +{ + if (!frame->isLoaded()) { + loadFrame(frame); + } + emit foundFrameStart(frame); +} + +void TraceLoader::findFrameEnd(ApiTraceFrame *frame) +{ + if (!frame->isLoaded()) { + loadFrame(frame); + } + emit foundFrameEnd(frame); +} + +void TraceLoader::findCallIndex(int index) +{ + int frameIdx = callInFrame(index); + ApiTraceFrame *frame = m_createdFrames[frameIdx]; + QVector calls = fetchFrameContents(frame); + QVector::const_iterator itr; + ApiTraceCall *call = 0; + for (itr = calls.constBegin(); itr != calls.constEnd(); ++itr) { + if ((*itr)->index() == index) { + call = *itr; + } + } + if (call) { + emit foundCallIndex(call); + } +} + +void TraceLoader::search(const ApiTrace::SearchRequest &request) +{ + if (request.direction == ApiTrace::SearchRequest::Next) { + searchNext(request); + } else { + searchPrev(request); + } +} + #include "traceloader.moc"