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Filter for BHR json logs, keeping counts of all buckets with each stack, 2nd arg is regex to only keep stacks of interest
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| #!/bin/env python | |
| import json | |
| import re | |
| import sys | |
| skipList = [ | |
| "BaseThreadInitThunk", | |
| "CharPrevA", | |
| "CsrAllocateMessagePointer", | |
| "DispatchMessageW", | |
| "DispatchMessageWorker", | |
| "EtwEventEnabled", | |
| "GetCurrentThread", | |
| "GetTickCount", | |
| "KiFastSystemCallRet", | |
| "MessageLoop::Run", | |
| "MessageLoop::RunHandler", | |
| "MsgWaitForMultipleObjects", | |
| "MsgWaitForMultipleObjectsEx", | |
| "NS_ProcessNextEvent", | |
| "NS_internal_main", | |
| "NtUserValidateHandleSecure", | |
| "NtWaitForAlertByThreadId", | |
| "NtWaitForMultipleObjects", | |
| "NtWaitForSingleObject", | |
| "PR_Lock", | |
| "PeekMessageW", | |
| "RealMsgWaitForMultipleObjectsEx", | |
| "RtlAnsiStringToUnicodeString", | |
| "RtlDeNormalizeProcessParams", | |
| "RtlEnterCriticalSection", | |
| "RtlLeaveCriticalSection", | |
| "RtlUserThreadStart", | |
| "RtlpAllocateListLookup", | |
| "RtlpDeCommitFreeBlock", | |
| "RtlpEnterCriticalSectionContended", | |
| "RtlpUnWaitCriticalSection", | |
| "RtlpWaitOnAddress", | |
| "RtlpWaitOnAddressWithTimeout", | |
| "RtlpWaitOnCriticalSection", | |
| "RtlpWakeByAddress", | |
| "UserCallWinProcCheckWow" | |
| "ValidateHwnd", | |
| "WaitForMultipleObjectsEx", | |
| "WaitForMultipleObjectsExImplementation", | |
| "WaitForSingleObjectEx", | |
| "XRE_InitChildProcess", | |
| "XRE_RunAppShell", | |
| "ZwWaitForMultipleObjects", | |
| "ZwWaitForSingleObject", | |
| "_RtlUserThreadStart", | |
| "__RtlUserThreadStart", | |
| "__scrt_common_main_seh", | |
| "content_process_main", | |
| "mozilla::BackgroundHangMonitor::NotifyActivity", | |
| "mozilla::BackgroundHangThread::NotifyActivity", | |
| "mozilla::BackgroundHangThread::NotifyWait", | |
| "mozilla::BootstrapImpl::XRE_InitChildProcess", | |
| "mozilla::HangMonitor::NotifyActivity", | |
| "mozilla::HangMonitor::Suspend", | |
| "mozilla::ValidatingDispatcher::Runnable::Run", | |
| "mozilla::detail::MutexImpl::lock", | |
| "mozilla::ipc::MessageChannel::MessageTask::Run", | |
| "mozilla::ipc::MessagePump::Run", | |
| "mozilla::ipc::MessagePumpForChildProcess::Run", | |
| "mozilla::widget::WinUtils::PeekMessageW", | |
| "mozilla::widget::WinUtils::WaitForMessage", | |
| "nsAppShell::ProcessNextNativeEvent", | |
| "nsAppShell::Run", | |
| "nsBaseAppShell::DoProcessNextNativeEvent", | |
| "nsBaseAppShell::OnProcessNextEvent", | |
| "nsBaseAppShell::Run", | |
| "nsThread::DoMainThreadSpecificProcessing", | |
| "nsThread::ProcessNextEvent", | |
| "wmain", | |
| "UserCallWinProcCheckWow", | |
| "ValidateHwnd", | |
| "0x1bc3d", | |
| "0x1905a", | |
| "RtlSleepConditionVariableCS", | |
| "SleepConditionVariableCS", | |
| "NDXGI::CDevice::GetKernelDeviceExecutionState", | |
| "NtGdiDdDDIGetDeviceState", | |
| "_PR_", | |
| "_MD_", | |
| "WaitForSingleObject", | |
| "0x", | |
| ] | |
| def shouldSkip(frame): | |
| for item in skipList: | |
| if frame.startswith(item): | |
| return True | |
| return False | |
| def filterStacks(stacks, filter): | |
| newstacks = [] | |
| accept = filter is None | |
| for frame in stacks: | |
| if shouldSkip(frame): | |
| continue | |
| if filter is not None and filter.search(frame) is not None: | |
| accept = True | |
| newstacks.append(frame) | |
| if accept: | |
| return newstacks | |
| return [] | |
| if __name__ == "__main__": | |
| input = sys.argv[1] | |
| filter = None | |
| if len(sys.argv) >= 3: | |
| filter = re.compile(sys.argv[2]) | |
| print "we have a filter!" | |
| data = json.load(open(input)) | |
| ranks = {} | |
| for record in data: | |
| stacks = filterStacks(record['nativeStack']['symbolicatedStacks'][0], filter) | |
| key = '`'.join(stacks) | |
| if stacks: | |
| if not ranks.has_key(key): | |
| ranks[key] = {'stacks':stacks, 'count':1, 'buckets':{}, 'sum':0 } | |
| else: | |
| ranks[key]['count'] += 1 | |
| for bucket in record['histogram']['values']: | |
| if record['histogram']['values'][bucket] > 0: | |
| if not ranks[key]['buckets'].has_key(bucket): | |
| ranks[key]['buckets'][bucket] = record['histogram']['values'][bucket] | |
| else: | |
| ranks[key]['buckets'][bucket] += record['histogram']['values'][bucket] | |
| ranks[key]['sum'] += int(bucket) * record['histogram']['values'][bucket] | |
| for r in sorted(ranks.itervalues(), key=lambda r: r['sum'], reverse=True): | |
| print("{} - {}: {}".format(r['count'], | |
| r['sum'], | |
| ', '.join(['x'.join([bucket, str(r['buckets'][bucket])]) | |
| for bucket in | |
| sorted(r['buckets'], key=lambda x: int(x), reverse=True)]))) | |
| for frame in r['stacks']: | |
| print(" {}".format(frame)) |
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