void TableTicker::BuildJSObject(JSAObjectBuilder& b, JSCustomObject* profile)
{
// Put shared library info
b.DefineProperty(profile, "libs", GetSharedLibraryInfoString().c_str());
// Put meta data
JSCustomObject *meta = GetMetaJSCustomObject(b);
b.DefineProperty(profile, "meta", meta);
// Lists the samples for each ThreadProfile
JSCustomArray *threads = b.CreateArray();
b.DefineProperty(profile, "threads", threads);
SetPaused(true);
{
mozilla::MutexAutoLock lock(*sRegisteredThreadsMutex);
for (size_t i = 0; i < sRegisteredThreads->size(); i++) {
// Thread not being profiled, skip it
if (!sRegisteredThreads->at(i)->Profile())
continue;
MutexAutoLock lock(*sRegisteredThreads->at(i)->Profile()->GetMutex());
JSCustomObject* threadSamples = b.CreateObject();
sRegisteredThreads->at(i)->Profile()->BuildJSObject(b, threadSamples);
b.ArrayPush(threads, threadSamples);
}
}
#if defined(SPS_OS_android) && !defined(MOZ_WIDGET_GONK)
if (ProfileJava()) {
AndroidBridge::Bridge()->PauseJavaProfiling();
JSCustomObject* javaThread = BuildJavaThreadJSObject(b);
b.ArrayPush(threads, javaThread);
AndroidBridge::Bridge()->UnpauseJavaProfiling();
}
#endif
SetPaused(false);
}
void TableTicker::BuildJSObject(JSAObjectBuilder& b, JSCustomObject* profile)
{
// Put shared library info
b.DefineProperty(profile, "libs", GetSharedLibraryInfoString().c_str());
// Put meta data
JSCustomObject *meta = GetMetaJSCustomObject(b);
b.DefineProperty(profile, "meta", meta);
// Lists the samples for each ThreadProfile
JSCustomArray *threads = b.CreateArray();
b.DefineProperty(profile, "threads", threads);
// For now we only have one thread
SetPaused(true);
JSCustomObject* threadSamples = b.CreateObject();
GetPrimaryThreadProfile()->BuildJSObject(b, threadSamples);
b.ArrayPush(threads, threadSamples);
SetPaused(false);
}
void BuildJSObject(JSAObjectBuilder& b, JSCustomObject* profile) {
JSCustomArray *samples = b.CreateArray();
b.DefineProperty(profile, "samples", samples);
JSCustomObject *sample = nullptr;
JSCustomArray *frames = nullptr;
JSCustomArray *marker = nullptr;
int readPos = mReadPos;
while (readPos != mLastFlushPos) {
// Number of tag consumed
int incBy = 1;
ProfileEntry entry = mEntries[readPos];
// Read ahead to the next tag, if it's a 'd' tag process it now
const char* tagStringData = entry.mTagData;
int readAheadPos = (readPos + 1) % mEntrySize;
char tagBuff[DYNAMIC_MAX_STRING];
// Make sure the string is always null terminated if it fills up DYNAMIC_MAX_STRING-2
tagBuff[DYNAMIC_MAX_STRING-1] = '\0';
if (readAheadPos != mLastFlushPos && mEntries[readAheadPos].mTagName == 'd') {
tagStringData = processDynamicTag(readPos, &incBy, tagBuff);
}
switch (entry.mTagName) {
case 's':
sample = b.CreateObject();
b.DefineProperty(sample, "name", tagStringData);
frames = b.CreateArray();
b.DefineProperty(sample, "frames", frames);
b.ArrayPush(samples, sample);
// Created lazily
marker = NULL;
break;
case 'm':
{
if (sample) {
if (!marker) {
marker = b.CreateArray();
b.DefineProperty(sample, "marker", marker);
}
b.ArrayPush(marker, tagStringData);
}
}
break;
case 'r':
{
if (sample) {
b.DefineProperty(sample, "responsiveness", entry.mTagFloat);
}
}
break;
case 'f':
{
if (sample) {
b.DefineProperty(sample, "frameNumber", entry.mTagLine);
}
}
break;
case 't':
{
if (sample) {
b.DefineProperty(sample, "time", entry.mTagFloat);
}
}
break;
case 'c':
case 'l':
{
if (sample) {
JSCustomObject *frame = b.CreateObject();
if (entry.mTagName == 'l') {
// Bug 753041
// We need a double cast here to tell GCC that we don't want to sign
// extend 32-bit addresses starting with 0xFXXXXXX.
unsigned long long pc = (unsigned long long)(uintptr_t)entry.mTagPtr;
snprintf(tagBuff, DYNAMIC_MAX_STRING, "%#llx", pc);
b.DefineProperty(frame, "location", tagBuff);
} else {
b.DefineProperty(frame, "location", tagStringData);
readAheadPos = (readPos + incBy) % mEntrySize;
if (readAheadPos != mLastFlushPos &&
mEntries[readAheadPos].mTagName == 'n') {
b.DefineProperty(frame, "line",
mEntries[readAheadPos].mTagLine);
incBy++;
}
}
b.ArrayPush(frames, frame);
}
}
}
readPos = (readPos + incBy) % mEntrySize;
}
}
