PerformanceInfo
DocGroup::ReportPerformanceInfo()
{
AssertIsOnMainThread();
MOZ_ASSERT(mPerformanceCounter);
#if defined(XP_WIN)
uint32_t pid = GetCurrentProcessId();
#else
uint32_t pid = getpid();
#endif
uint64_t wid = 0;
uint64_t pwid = 0;
uint16_t count = 0;
uint64_t duration = 0;
nsCString host = NS_LITERAL_CSTRING("None");
for (const auto& document : *this) {
// grabbing the host name of the first document
nsCOMPtr<nsIDocument> doc = do_QueryInterface(document);
MOZ_ASSERT(doc);
nsCOMPtr<nsIURI> docURI = doc->GetDocumentURI();
if (!docURI) {
continue;
}
docURI->GetHost(host);
wid = doc->OuterWindowID();
// getting the top window id - if not possible
// pwid gets the same value than wid
pwid = wid;
nsPIDOMWindowInner* win = doc->GetInnerWindow();
if (win) {
nsPIDOMWindowOuter* outer = win->GetOuterWindow();
if (outer) {
nsCOMPtr<nsPIDOMWindowOuter> top = outer->GetTop();
if (top) {
pwid = top->WindowID();
}
}
}
}
duration = mPerformanceCounter->GetExecutionDuration();
FallibleTArray<CategoryDispatch> items;
// now that we have the host and window ids, let's look at the perf counters
for (uint32_t index = 0; index < (uint32_t)TaskCategory::Count; index++) {
TaskCategory category = static_cast<TaskCategory>(index);
count = mPerformanceCounter->GetDispatchCount(DispatchCategory(category));
CategoryDispatch item = CategoryDispatch(index, count);
if (!items.AppendElement(item, fallible)) {
NS_ERROR("Could not complete the operation");
return PerformanceInfo(host, pid, wid, pwid, duration, false, items);
}
}
// setting back all counters to zero
mPerformanceCounter->ResetPerformanceCounters();
return PerformanceInfo(host, pid, wid, pwid, duration, false, items);
}
RefPtr<PerformanceInfoPromise> DocGroup::ReportPerformanceInfo() {
AssertIsOnMainThread();
MOZ_ASSERT(mPerformanceCounter);
#if defined(XP_WIN)
uint32_t pid = GetCurrentProcessId();
#else
uint32_t pid = getpid();
#endif
uint64_t windowID = 0;
uint16_t count = 0;
uint64_t duration = 0;
bool isTopLevel = false;
nsCString host;
nsCOMPtr<nsPIDOMWindowOuter> top;
RefPtr<AbstractThread> mainThread;
// iterating on documents until we find the top window
for (const auto& document : *this) {
nsCOMPtr<Document> doc = document;
MOZ_ASSERT(doc);
nsCOMPtr<nsIURI> docURI = doc->GetDocumentURI();
if (!docURI) {
continue;
}
docURI->GetHost(host);
// If the host is empty, using the url
if (host.IsEmpty()) {
host = docURI->GetSpecOrDefault();
}
// looking for the top level document URI
nsPIDOMWindowOuter* win = doc->GetWindow();
if (!win) {
continue;
}
nsPIDOMWindowOuter* outer = win->GetOuterWindow();
if (!outer) {
continue;
}
top = outer->GetTop();
if (!top) {
continue;
}
windowID = top->WindowID();
isTopLevel = outer->IsTopLevelWindow();
mainThread = AbstractMainThreadFor(TaskCategory::Performance);
break;
}
MOZ_ASSERT(!host.IsEmpty());
duration = mPerformanceCounter->GetExecutionDuration();
FallibleTArray<CategoryDispatch> items;
// now that we have the host and window ids, let's look at the perf counters
for (uint32_t index = 0; index < (uint32_t)TaskCategory::Count; index++) {
TaskCategory category = static_cast<TaskCategory>(index);
count = mPerformanceCounter->GetDispatchCount(DispatchCategory(category));
CategoryDispatch item = CategoryDispatch(index, count);
if (!items.AppendElement(item, fallible)) {
NS_ERROR("Could not complete the operation");
break;
}
}
if (!isTopLevel) {
return PerformanceInfoPromise::CreateAndResolve(
PerformanceInfo(host, pid, windowID, duration,
mPerformanceCounter->GetID(), false, isTopLevel,
PerformanceMemoryInfo(), // Empty memory info
items),
__func__);
}
MOZ_ASSERT(mainThread);
RefPtr<DocGroup> self = this;
return CollectMemoryInfo(top, mainThread)
->Then(
mainThread, __func__,
[self, host, pid, windowID, duration, isTopLevel,
items](const PerformanceMemoryInfo& aMemoryInfo) {
PerformanceInfo info =
PerformanceInfo(host, pid, windowID, duration,
self->mPerformanceCounter->GetID(), false,
isTopLevel, aMemoryInfo, items);
return PerformanceInfoPromise::CreateAndResolve(std::move(info),
__func__);
},
[self](const nsresult rv) {
return PerformanceInfoPromise::CreateAndReject(rv, __func__);
});
}