#include "trace_loader.hpp"
-#include "trace_snappyfile.hpp"
using namespace Trace;
Loader::Loader()
- : m_frameMarker(FrameMarker_SwapBuffers),
- file(0)
+ : m_frameMarker(FrameMarker_SwapBuffers)
{
}
int Loader::numberOfFrames() const
{
- return m_frameOffsets.size();
+ return m_frameBookmarks.size();
}
-int Loader::numberOfCallsInFrame(int frameIdx)
+int Loader::numberOfCallsInFrame(int frameIdx) const
{
- if (frameIdx > m_frameOffsets.size()) {
+ if (frameIdx > m_frameBookmarks.size()) {
return 0;
}
-
- return m_frameOffsets[frameIdx].numberOfCalls;
+ FrameBookmarks::const_iterator itr =
+ m_frameBookmarks.find(frameIdx);
+ return itr->second.numberOfCalls;
}
bool Loader::open(const char *filename)
std::cerr << "error: failed to open " << filename << "\n";
return false;
}
+ if (!m_parser.supportsOffsets()) {
+ std::cerr << "error: " <<filename<< " doesn't support seeking "
+ << "\n";
+ return false;
+ }
Trace::Call *call;
- File::Offset startOffset;
+ ParseBookmark startBookmark;
int numOfFrames = 0;
int numOfCalls = 0;
+ int lastPercentReport = 0;
- startOffset = m_parser.currentOffset();
-
- while ((call = m_parser.parse_call())) {
+ m_parser.getBookmark(startBookmark);
+ while ((call = m_parser.scan_call())) {
++numOfCalls;
if (isCallAFrameMarker(call)) {
- File::Offset endOffset = m_parser.currentOffset();
- FrameOffset frameOffset(startOffset, endOffset);
+ FrameBookmark frameBookmark(startBookmark);
+ frameBookmark.numberOfCalls = numOfCalls;
- frameOffset.numberOfCalls = numOfCalls;
- m_frameOffsets[numOfFrames] = frameOffset;
+ m_frameBookmarks[numOfFrames] = frameBookmark;
++numOfFrames;
- startOffset = endOffset;
+ if (m_parser.percentRead() - lastPercentReport >= 5) {
+ std::cerr << "\tPercent scanned = "
+ << m_parser.percentRead()
+ << "..."<<std::endl;
+ lastPercentReport = m_parser.percentRead();
+ }
+
+ m_parser.getBookmark(startBookmark);
numOfCalls = 0;
}
//call->dump(std::cout, color);
return false;
}
-std::vector<Trace::Call *> Trace::Loader::frame(int idx)
+std::vector<Trace::Call *> Loader::frame(int idx)
{
int numOfCalls = numberOfCallsInFrame(idx);
if (numOfCalls) {
+ const FrameBookmark &frameBookmark = m_frameBookmarks[idx];
std::vector<Trace::Call*> calls(numOfCalls);
- m_parser.setCurrentOffset(m_frameOffsets[idx].start);
+ m_parser.setBookmark(frameBookmark.start);
Trace::Call *call;
int parsedCalls = 0;
while ((call = m_parser.parse_call())) {
+ calls[parsedCalls] = call;
+ ++parsedCalls;
+
if (isCallAFrameMarker(call)) {
break;
}
- calls[parsedCalls] = call;
- ++parsedCalls;
}
+ assert(parsedCalls == numOfCalls);
return calls;
}
return std::vector<Trace::Call*>();