safari networking high cpu - how do I debug what is triggering it?

Question

Level 1

8 points

safari networking high cpu - how do I debug what is triggering it?

I have had spinning fan problems for quite some time. The single biggest CPU hog right now appears to be Safari Networking, happily taking up 85-90% of a single CPU. Running on late 2010 MacBook Air, El Capitan 10.11.

I have little of consequence open at the moment: an empty page, Trello, a StackOverflow page, Oracle Docs, a Github page, the forum.

I don't want to just randomly delete plists, or restart. I have done that enough times over months. I want to actually understand what it is doing.

Using `lsof` I see it constantly opening and closing ports to what look like Google addresses, although that could be my misreading.

Activity Monitor shows 9.1 MB of Real Memory Size and 3.42 GB (!!) of Virtual Memory Size. Statistics shows 11 threads, 198 ports, CPU Time 2:31:43.79, 29630837 context switches and growing by a few K every few seconds, 5696361 faults and growing more slowly, 23042880 Mach System Calls, 44978818 Unix System Calls.

Open files and ports as below:

/System/Library/Frameworks/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.Networking.xpc

/System/Library/Frameworks/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.Networking.xpc/Contents/MacOS/com.apple.WebKit.Networking

/System/Library/Frameworks/WebKit.framework/Versions/A/NetworkProcess.app/Contents/MacOS/SecItemShim.dylib

/usr/share/icu/icudt55l.dat

/private/var/db/mds/messages/se_SecurityMessages

/private/var/db/mds/system/mdsDirectory.db

/Library/Keychains/System.keychain

/Users/adeitcher/Library/Keychains/1Passwd.keychain

/Users/adeitcher/Library/Keychains/adeitcher's secure Keychain.keychain

/Users/adeitcher/Library/Keychains/Microsoft_Intermediate_Certificates

/System/Library/Keychains/SystemRootCertificates.keychain

/Users/adeitcher/Library/Keychains/1Password.keychain

/private/var/folders/z4/npw91yb9055d0crgb_mmksqr0000gp/0/com.apple.LaunchServices-134502.csstore

/Users/adeitcher/Library/Keychains/login.keychain

/usr/lib/dyld

/private/var/db/dyld/dyld_shared_cache_x86_64

/dev/null

count=2, state=0x12

FNetwork.defaultStorageSession

/dev/random

192.168.0.14:52156->a104-86-235-73.deploy.static.akamaitechnologies.com:https

->0xf04d4d8b96a72b27

->0xf04d4d8b96a728cf

192.168.0.14:52095->a104-86-235-73.deploy.static.akamaitechnologies.com:https

192.168.0.14:51333->199.16.156.120:https

10.0.0.6:63767->192.0.78.23:https

Run a process sample:

Sampling process 77694 for 3 seconds with 1 millisecond of run time between samples Sampling completed, processing symbols... Analysis of sampling com.apple.WebKit.Networking (pid 77694) every 1 millisecond Process: com.apple.WebKit.Networking [77694] Path: /System/Library/Frameworks/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.Networking.xpc/Contents/MacOS/com.apple.WebKit.Networking Load Address: 0x101f78000 Identifier: com.apple.WebKit.Networking Version: 11601 (11601.1.56) Build Info: WebKit2-7601001056000000~3 Code Type: X86-64 Parent Process: ??? [1] Date/Time: 2015-11-26 10:30:24.020 +0200 Launch Time: 2015-11-23 10:13:37.476 +0200 OS Version: Mac OS X 10.11 (15A284) Report Version: 7 Analysis Tool: /usr/bin/sample ---- Call graph: 2607 Thread_3860859 DispatchQueue_1: com.apple.main-thread (serial) + 2607 start (in libdyld.dylib) + 1 [0x7fff8a4e55ad] + 2607 ??? (in com.apple.WebKit.Networking) load address 0x101f78000 + 0xb4a [0x101f78b4a] + 2607 xpc_main (in libxpc.dylib) + 494 [0x7fff9211bf1e] + 2607 _xpc_objc_main (in libxpc.dylib) + 751 [0x7fff9211d4c8] + 2607 -[NSRunLoop(NSRunLoop) run] (in Foundation) + 74 [0x7fff98cddfd8] + 2607 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] (in Foundation) + 270 [0x7fff98cde0f9] + 2607 CFRunLoopRunSpecific (in CoreFoundation) + 296 [0x7fff8ddbbd38] + 2606 __CFRunLoopRun (in CoreFoundation) + 1356 [0x7fff8ddbc4ec] + ! 2606 __CFRunLoopServiceMachPort (in CoreFoundation) + 212 [0x7fff8ddbd024] + ! 2606 mach_msg (in libsystem_kernel.dylib) + 55 [0x7fff93e560d7] + ! 2606 mach_msg_trap (in libsystem_kernel.dylib) + 10 [0x7fff93e56c96] + 1 __CFRunLoopRun (in CoreFoundation) + 927 [0x7fff8ddbc33f] + 1 __CFRunLoopDoSources0 (in CoreFoundation) + 556 [0x7fff8ddbce1c] + 1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (in CoreFoundation) + 17 [0x7fff8dddd621] + 1 ***::RunLoop::performWork(void*) (in JavaScriptCore) + 34 [0x7fff8dade412] + 1 ***::RunLoop::performWork() (in JavaScriptCore) + 437 [0x7fff8daddd35] + 1 IPC::Connection::dispatchOneMessage() (in WebKit) + 114 [0x7fff8c29ee9e] + 1 IPC::Connection::dispatchMessage(std::__1::unique_ptr >) (in WebKit) + 102 [0x7fff8c29c972] + 1 void IPC::handleMessage(IPC::MessageDecoder&, WebKit::NetworkConnectionToWebProcess*, void (WebKit::NetworkConnectionToWebProcess::*)(WebKit::NetworkResourceLoadParameters const&)) (in WebKit) + 58 [0x7fff8c2f6cdc] + 1 WebKit::NetworkResourceLoadParameters::decode(IPC::ArgumentDecoder&, WebKit::NetworkResourceLoadParameters&) (in WebKit) + 161 [0x7fff8c30644b] + 1 ***::PassRefPtr WebCore::FormData::decode(IPC::ArgumentDecoder&) (in WebKit) + 81 [0x7fff8c30678d] + 1 IPC::VectorArgumentCoder::decode(IPC::ArgumentDecoder&, ***::Vector&) (in WebKit) + 391 [0x7fff8c306b5f] + 1 bmalloc::Deallocator::deallocateSlowCase(void*) (in JavaScriptCore) + 107 [0x7fff8daf040b] + 1 bmalloc::Heap::deallocateLarge(std::__1::lock_guard&, void*) (in JavaScriptCore) + 80 [0x7fff8daef390] + 1 bmalloc::Heap::deallocateLarge(std::__1::lock_guard&, bmalloc::LargeObject const&) (in JavaScriptCore) + 273 [0x7fff8daef331] + 1 pthread_detach (in libsystem_pthread.dylib) + 22 [0x7fff94db8241] + 1 _pthread_lookup_thread (in libsystem_pthread.dylib) + 53 [0x7fff94db82e5] + 1 _pthread_find_thread (in libsystem_pthread.dylib) + 81 [0x7fff94db837e] + 1 swtch_pri (in libsystem_kernel.dylib) + 10 [0x7fff93e56d7a] 2607 Thread_3860879 DispatchQueue_2: com.apple.libdispatch-manager (serial) + 2607 _dispatch_mgr_thread (in libdispatch.dylib) + 52 [0x7fff94723e15] + 2606 _dispatch_mgr_invoke (in libdispatch.dylib) + 216 [0x7fff947241ad] + ! 2606 kevent_qos (in libsystem_kernel.dylib) + 10 [0x7fff93e5d0a2] + 1 _dispatch_mgr_invoke (in libdispatch.dylib) + 40 [0x7fff947240fd] + 1 _dispatch_mach_msg_recv (in libdispatch.dylib) + 148 [0x7fff94727849] + 1 _dispatch_mach_reply_kevent_unregister (in libdispatch.dylib) + 174 [0x7fff94727a3a] + 1 _dispatch_kevent_unregister (in libdispatch.dylib) + 376 [0x7fff94727282] + 1 szone_free_definite_size (in libsystem_malloc.dylib) + 943 [0x7fff8ce0973d] + 1 _OSSpinLockLockSlow (in libsystem_platform.dylib) + 65 [0x7fff875a7daf] + 1 syscall_thread_switch (in libsystem_kernel.dylib) + 10 [0x7fff93e56d92] 2607 Thread_3861010: com.apple.NSURLConnectionLoader + 2606 thread_start (in libsystem_pthread.dylib) + 13 [0x7fff94db5385] + ! 2606 _pthread_start (in libsystem_pthread.dylib) + 168 [0x7fff94db792e] + ! 2606 _pthread_body (in libsystem_pthread.dylib) + 131 [0x7fff94db79b1] + ! 2606 __NSThread__start__ (in Foundation) + 1351 [0x7fff98cef084] + ! 2606 +[NSURLConnection(Loader) _resourceLoadLoop:] (in CFNetwork) + 412 [0x7fff916a6c2d] + ! 2606 CFRunLoopRunSpecific (in CoreFoundation) + 296 [0x7fff8ddbbd38] + ! 2590 __CFRunLoopRun (in CoreFoundation) + 1356 [0x7fff8ddbc4ec] + ! : 2590 __CFRunLoopServiceMachPort (in CoreFoundation) + 212 [0x7fff8ddbd024] + ! : 2590 mach_msg (in libsystem_kernel.dylib) + 55 [0x7fff93e560d7] + ! : 2590 mach_msg_trap (in libsystem_kernel.dylib) + 10 [0x7fff93e56c96] + ! 16 __CFRunLoopRun (in CoreFoundation) + 927 [0x7fff8ddbc33f] + ! 16 __CFRunLoopDoSources0 (in CoreFoundation) + 556 [0x7fff8ddbce1c] + ! 16 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (in CoreFoundation) + 17 [0x7fff8dddd621] + ! 16 MultiplexerSource::_perform(void*) (in CFNetwork) + 72 [0x7fff916cbfa4] + ! 15 MultiplexerSource::perform() (in CFNetwork) + 282 [0x7fff916cc182] + ! | 15 RunloopBlockContext::perform() (in CFNetwork) + 137 [0x7fff916cc2e1] + ! | 15 CFArrayApplyFunction (in CoreFoundation) + 68 [0x7fff8dd7fbd4] + ! | 15 RunloopBlockContext::_invoke_block(void const*, void*) (in CFNetwork) + 24 [0x7fff916cc3e8] + ! | 15 _dispatch_block_invoke (in libdispatch.dylib) + 474 [0x7fff9472c0bf] + ! | 15 _dispatch_client_callout (in libdispatch.dylib) + 8 [0x7fff9471e453] + ! | 12 ___ZN12STubeManager25enqueueRequestForProtocolEP25MetaConnectionCacheClientPK18HTTPRequestMessage21MetaConnectionOptions_block_invoke (in CFNetwork) + 62 [0x7fff918c69b3] + ! | + 12 STubeManager::_onqueue_enqueueRequestForProtocol(MetaConnectionCacheClient*, HTTPRequestMessage const*, MetaConnectionOptions, SAwaitingTube*) (in CFNetwork) + 284 [0x7fff918c6b02] + ! | + 12 SHTTPConnectionCache::enqueueRequestForProtocol(MetaConnectionCacheClient*, HTTPRequestMessage const*, MetaConnectionOptions) (in CFNetwork) + 39 [0x7fff917a07f5] + ! | + 12 SHTTPConnectionCache::_onqueue_enqueueRequestForProtocol(MetaConnectionCacheClient*, HTTPRequestMessage const*, MetaConnectionOptions) (in CFNetwork) + 177 [0x7fff918612c1] + ! | + 12 SHTTPConnectionCacheEntry::enqueueRequestForProtocol(MetaConnectionCacheClient*, HTTPRequestMessage const*, MetaConnectionOptions) (in CFNetwork) + 452 [0x7fff918ae1a8] + ! | + 12 SHTTPConnectionCacheEntry::notifyNextProtocolOfOpenConnection(HTTPNetConnection*, unsigned char) (in CFNetwork) + 591 [0x7fff91797e6d] + ! | + 12 SHTTPConnectionCacheEntry::dispatchConnectionToProtocol(HTTPNetConnection*, SHTTPConnectionCacheEnqueuedRequestInfo*, unsigned char) (in CFNetwork) + 279 [0x7fff9178d037] + ! | + 12 HTTPProtocol::useNetStreamInfoForRequest(MetaNetStreamInfo*, HTTPRequestMessage const*, unsigned char) (in CFNetwork) + 1737 [0x7fff91775ddb] + ! | + 8 HTTPProtocol::openStream() (in CFNetwork) + 38 [0x7fff917764f8] + ! | + ! 8 HTTPProtocol::setProtocolPropertiesToStream() (in CFNetwork) + 19 [0x7fff91776643] + ! | + ! 8 HTTPProtocol::copyProtocolPropertiesForStream() (in CFNetwork) + 626 [0x7fff916dd172] + ! | + ! 8 HTTPProtocolSSLSupport::getSSLCertsCached(__CFString const*) (in CFNetwork) + 237 [0x7fff916dd5a5] + ! | + ! 7 SecIdentityCopyPreference (in Security) + 725 [0x7fff9a3da4ce] + ! | + ! : 7 Security::KeychainCore::KCCursorImpl::next(Security::KeychainCore::Item&) (in Security) + 549 [0x7fff9a3a9e5f] + ! | + ! : 7 Security::CssmClient::SSDbCursorImpl::next(Security::CssmClient::DbAttributes*, Security::CssmDataContainer*, Security::CssmClient::DbUniqueRecord&, cssm_access_credentials const*) (in Security) + 346 [0x7fff9a4454d8] + ! | + ! : 4 Security::CssmClient::DbDbCursorImpl::next(Security::CssmClient::DbAttributes*, Security::CssmDataContainer*, Security::CssmClient::DbUniqueRecord&) (in Security) + 459 [0x7fff9a3a2ee5] + ! | + ! : | 4 CSSM_DL_PassThrough (in Security) + 97 [0x7fff9a3a32f1] + ! | + ! : | 4 cssm_PassThrough(cssm_dl_db_handle, unsigned int, void const*, void**) (in Security) + 151 [0x7fff9a3a345d] + ! | + ! : | 4 SSDLSession::PassThrough(long, unsigned int, void const*, void**) (in Security) + 220 [0x7fff9a3a686c] + ! | + ! : | 4 CSSM_DL_PassThrough (in Security) + 59 [0x7fff9a3a32cb] + ! | + ! : | 4 Security::CountingMutex::finishEnter() (in Security) + 5 [0x7fff9a39ac31] + ! | + ! : 3 Security::CssmClient::DbDbCursorImpl::next(Security::CssmClient::DbAttributes*, Security::CssmDataContainer*, Security::CssmClient::DbUniqueRecord&) (in Security) + 596 [0x7fff9a3a2f6e] + ! | + ! : 3 CSSM_DL_DataGetFirst (in Security) + 113 [0x7fff9a3a35e1] + ! | + ! : 3 cssm_DataGetFirst(cssm_dl_db_handle, cssm_query const*, long*, cssm_db_record_attribute_data*, cssm_data*, cssm_db_unique_record**) (in Security) + 126 [0x7fff9a3a3735] + ! | + ! : 3 SSDLSession::DataGetFirst(long, Security::CssmQuery const*, cssm_db_record_attribute_data*, Security::CssmData*, cssm_db_unique_record*&) (in Security) + 274 [0x7fff9a42c14a] + ! | + ! : 3 CSSM_DL_DataGetFirst (in Security) + 113 [0x7fff9a3a35e1] + ! | + ! : 3 cssm_DataGetFirst(cssm_dl_db_handle, cssm_query const*, long*, cssm_db_record_attribute_data*, cssm_data*, cssm_db_unique_record**) (in Security) + 126 [0x7fff9a3a3735] + ! | + ! : 3 Security::DatabaseSession::DataGetFirst(long, Security::CssmQuery const*, cssm_db_record_attribute_data*, Security::CssmData*, cssm_db_unique_record*&) (in Security) + 108 [0x7fff9a5267e0] + ! | + ! : 2 Security::AppleDatabase::dataGetFirst(Security::DbContext&, Security::CssmQuery const*, cssm_db_record_attribute_data*, Security::CssmData*, cssm_db_unique_record*&) (in Security) + 103 [0x7fff9a491b91] + ! | + ! : + 2 Security::LinearCursor::next(unsigned int&, cssm_db_record_attribute_data*, Security::CssmData*, Security::Allocator&, Security::RecordId&) (in Security) + 127 [0x7fff9a396961] + ! | + ! : + 2 Security::TypedMetaAttribute::evaluate(Security::DbValue const*, Security::ReadSection const&, unsigned int) const (in Security) + 122 [0x7fff9a3b5588] + ! | + ! : + 1 Security::BlobValue::BlobValue(Security::ReadSection const&, unsigned int&) (in Security) + 88 [0x7fff9a395b52] + ! | + ! : + ! 1 Security::ReadSection::range(Security::Range const&) const (in Security) + 0 [0x7fff9a395b84] + ! | + ! : + 1 Security::BlobValue::BlobValue(Security::ReadSection const&, unsigned int&) (in Security) + 58 [0x7fff9a395b34] + ! | + ! : 1 Security::AppleDatabase::dataGetFirst(Security::DbContext&, Security::CssmQuery const*, cssm_db_record_attribute_data*, Security::CssmData*, cssm_db_unique_record*&) (in Security) + 44 [0x7fff9a491b56] + ! | + ! : 1 Security::DbModifier::createCursor(cssm_query const*) (in Security) + 97 [0x7fff9a39628b] + ! | + ! : 1 Security::Table::createCursor(cssm_query const*, Security::DbVersion const&) const (in Security) + 142 [0x7fff9a396432] + ! | + ! : 1 Security::LinearCursor::LinearCursor(cssm_query const*, Security::DbVersion const&, Security::Table const&) (in Security) + 251 [0x7fff9a3967d5] + ! | + ! : 1 Security::SelectionPredicate::SelectionPredicate(Security::MetaRecord const&, cssm_selection_predicate const&) (in Security) + 136 [0x7fff9a3975b2] + ! | + ! : 1 Security::TypedMetaAttribute::createValue(cssm_data const&) const (in Security) + 20 [0x7fff9a3b54b8] + ! | + ! : 1 operator new(unsigned long) (in libc++.1.dylib) + 30 [0x7fff999ad7de] + ! | + ! : 1 malloc (in libsystem_malloc.dylib) + 42 [0x7fff8ce060dc] + ! | + ! : 1 malloc_zone_malloc (in libsystem_malloc.dylib) + 71 [0x7fff8ce075b1] + ! | + ! : 1 szone_malloc_should_clear (in libsystem_malloc.dylib) + 292 [0x7fff8ce07715] + ! | + ! : 1 tiny_malloc_from_free_list (in libsystem_malloc.dylib) + 149 [0x7fff8ce08761] + ! | + ! 1 SecIdentityCopyPreference (in Security) + 859 [0x7fff9a3da554] + ! | + ! 1 SecKeychainItemCopyFromPersistentReference (in Security) + 72 [0x7fff9a4cf035] + ! | + ! 1 Security::KeychainCore::ItemImpl::makeFromPersistentReference(__CFData const*, bool*) (in Security) + 265 [0x7fff9a4ac63f] + ! | + ! 1 Security::DLDbListCFPref::ExpandTildesInPath(std::__1::basic_string, std::__1::allocator > const&) (in Security) + 122 [0x7fff9a4a528c] + ! | + ! 1 std::__1::basic_string, std::__1::allocator >::__init(char const*, unsigned long) (in libc++.1.dylib) + 59 [0x7fff999b0205] + ! | + ! 1 operator new(unsigned long) (in libc++.1.dylib) + 30 [0x7fff999ad7de] + ! | + ! 1 malloc (in libsystem_malloc.dylib) + 42 [0x7fff8ce060dc] + ! | + ! 1 malloc_zone_malloc (in libsystem_malloc.dylib) + 71 [0x7fff8ce075b1] + ! | + ! 1 szone_malloc_should_clear (in libsystem_malloc.dylib) + 292 [0x7fff8ce07715] + ! | + ! 1 tiny_malloc_from_free_list (in libsystem_malloc.dylib) + 149 [0x7fff8ce08761] + ! | + 4 HTTPProtocol::openStream() (in CFNetwork) + 327 [0x7fff91776619] + ! | + 4 HTTPNetStreamInfo::scheduleAndOpenWithHandler(CoreSchedulingSet const*, void (__CFHTTPMessage*, dispatch_data_s*, CFStreamError const*) block_pointer, void (unsigned char) block_pointer) (in CFNetwork) + 110 [0x7fff9182e30e] + ! | + 4 CFReadStreamOpen (in CoreFoundation) + 95 [0x7fff8ddb31df] + ! | + 4 _CFStreamOpen (in CoreFoundation) + 120 [0x7fff8dda7508] + ! | + 4 HTTPNetStreamInfo::_streamImpl_Open(__CFReadStream*, CFStreamError*, unsigned char*) (in CFNetwork) + 68 [0x7fff9178e3b8] + ! | + 4 NetConnection::enqueue(void*, unsigned char) (in CFNetwork) + 608 [0x7fff9178e696] + ! | + 3 NetConnection::scheduleNewRequest(_CFNetRequest*, _CFNetRequest*, unsigned char) (in CFNetwork) + 124 [0x7fff9178eac0] + ! | + : 3 NetConnection::rescheduleStream(__CoreWriteStream*, CoreSchedulingSet const*) (in CFNetwork) + 65 [0x7fff9178ebdd] + ! | + : 3 CoreStreamBase::_streamInterface_UpdateScheduling(CoreSchedulingSet const*) (in CFNetwork) + 233 [0x7fff9178ece9] + ! | + : 3 CoreStreamImplementation::_streamImpl_UpdateScheduling(CoreSchedulingSet const*, CoreSchedulingSet const*) (in CFNetwork) + 141 [0x7fff9178ef2f] + ! | + : 3 HTTPWriteFilter::_streamImpl_deprecated_Schedule(__CFRunLoop*, __CFString const*) (in CFNetwork) + 58 [0x7fff9178ef98] + ! | + : 3 _CFStreamScheduleWithRunLoop (in CoreFoundation) + 1933 [0x7fff8ddf7e2d] + ! | + : 3 non-virtual thunk to SocketStream::schedule(void const*, __CFRunLoop*, __CFString const*) (in CFNetwork) + 64 [0x7fff916ddce4] + ! | + : 2 _CFStreamSignalEvent (in CoreFoundation) + 531 [0x7fff8ddfc6d3] + ! | + : | 2 _wakeUpRunLoop (in CoreFoundation) + 88 [0x7fff8de1b698] + ! | + : | 2 CFArrayCreateCopy (in CoreFoundation) + 325 [0x7fff8dd9ff15] + ! | + : | 2 -[NSArray initWithArray:range:copyItems:] (in CoreFoundation) + 451 [0x7fff8dd772c3] + ! | + : | 2 +[__NSArrayI __new:::] (in CoreFoundation) + 39 [0x7fff8dd39c77] + ! | + : | 2 __CFAllocateObject2 (in CoreFoundation) + 15 [0x7fff8dd39a0f] + ! | + : | 2 class_createInstance (in libobjc.A.dylib) + 101 [0x7fff8f4f3cbf] + ! | + : | 2 calloc (in libsystem_malloc.dylib) + 49 [0x7fff8ce0b472] + ! | + : | 2 malloc_zone_calloc (in libsystem_malloc.dylib) + 78 [0x7fff8ce0a9b6] + ! | + : | 2 szone_malloc_should_clear (in libsystem_malloc.dylib) + 112 [0x7fff8ce07661] + ! | + : | 2 _OSSpinLockLockSlow (in libsystem_platform.dylib) + 65 [0x7fff875a7daf] + ! | + : | 2 syscall_thread_switch (in libsystem_kernel.dylib) + 10 [0x7fff93e56d92] + ! | + : 1 SocketStream::schedule_NoLock(void const*, __CFRunLoop*, __CFString const*) (in CFNetwork) + 298 [0x7fff916dde26] + ! | + : 1 Schedulables::schedule(__CFRunLoop*, __CFString const*) (in CFNetwork) + 45 [0x7fff916de025] + ! | + : 1 CFArrayApplyFunction (in CoreFoundation) + 68 [0x7fff8dd7fbd4] + ! | + : 1 _CFTypeScheduleOnRunLoop (in CFNetwork) + 142 [0x7fff917748e4] + ! | + : 1 __CFSocketSchedule (in CoreFoundation) + 94 [0x7fff8ddfbc7e] + ! | + : 1 CFRelease (in CoreFoundation) + 371 [0x7fff8dd41383] + ! | + : 1 __CFArrayReleaseValues (in CoreFoundation) + 541 [0x7fff8dda9a7d] + ! | + : 1 szone_free (in libsystem_malloc.dylib) + 956 [0x7fff8ce0c765] + ! | + : 1 _OSSpinLockLockSlow (in libsystem_platform.dylib) + 65 [0x7fff875a7daf] + ! | + : 1 syscall_thread_switch (in libsystem_kernel.dylib) + 10 [0x7fff93e56d92] + ! | + 1 HTTPNetConnection::prepareTransmission(HTTPNetStreamInfo*, __CoreWriteStream*, __CoreReadStream*) (in CFNetwork) + 1877 [0x7fff9178fc03] + ! | + 1 CoreStreamBase::_streamInterface_SetProperty(__CFString const*, void const*) (in CFNetwork) + 23 [0x7fff9178bf9b] + ! | + 1 HTTPWriteFilter::_streamImpl_SetProperty(__CFString const*, void const*) (in CFNetwork) + 999 [0x7fff9178c39f] + ! | + 1 HTTPWriteFilter::setNewHeaderProperty(__CFHTTPMessage*) (in CFNetwork) + 594 [0x7fff91790150] + ! | + 1 HTTPWriteFilter::transmitHeader(unsigned char) (in CFNetwork) + 2089 [0x7fff91790987] + ! | + 1 CFWriteStreamWrite (in CoreFoundation) + 437 [0x7fff8dda9e05] + ! | + 1 SocketStream::write(__CFWriteStream*, unsigned char const*, long, CFStreamError*) (in CFNetwork) + 792 [0x7fff9177a29c] + ! | + 1 SocketStream::securitySend_NoLock(unsigned char const*, long, unsigned char*) (in CFNetwork) + 133 [0x7fff9177a619] + ! | + 1 SSLWrite (in Security) + 193 [0x7fff9a3db399] + ! | + 1 SSLWriteRecord (in Security) + 45 [0x7fff9a40d6d5] + ! | + 1 SSLRecordWriteInternal (in Security) + 131 [0x7fff9a40ac15] + ! | + 1 tls_record_encrypt (in libsystem_coretls.dylib) + 818 [0x7fff912a42f7] + ! | + 1 CCSymmAEADEncrypt (in libsystem_coretls.dylib) + 58 [0x7fff912a6135] + ! | + 1 ccaes_vng_gcm_encrypt (in libcorecrypto.dylib) + 448 [0x7fff8cd74b9a] + ! | + 1 ccmode_gcm_mult_h (in libcorecrypto.dylib) + 37 [0x7fff8cd56d1d] + ! | + 1 ccmode_gcm_gf_mult (in libcorecrypto.dylib) + 584 [0x7fff8cd56906] + ! | 3 ___ZNK19URLConnectionLoader25withExistingProtocolAsyncEU13block_pointerFvP11URLProtocolE_block_invoke (in CFNetwork) + 25 [0x7fff916cd5b5] + ! | 3 ___ZN19URLConnectionLoader27_private_ScheduleOriginLoadEPK12NSURLRequestPK20_CFCachedURLResponse_block_invoke_2 (in CFNetwork) + 61 [0x7fff916cd614] + ! | 2 HTTPProtocol::asynchronouslyCreateAndOpenStream(_CFCachedURLResponse const*) (in CFNetwork) + 261 [0x7fff916d74f1] + ! | ! 2 HTTPProtocol::asynchronouslyAddCookiesAndContinue(__CFHTTPMessage*) (in CFNetwork) + 354 [0x7fff916d7712] + ! | ! 2 -[__NSURLSessionLocal _getCookieHeadersForTask:completionHandler:] (in CFNetwork) + 229 [0x7fff916d325c] + ! | ! 2 XCookieStorage::getRequestHeaderFieldsForTask(NSURLSessionTask const*, void (__CFDictionary const*) block_pointer) const (in CFNetwork) + 189 [0x7fff916d36cb] + ! | ! 2 CFXCookieStorage::getCookiesForTask(NSURLSessionTask const*, unsigned char, void (__CFArray const*) block_pointer) const (in CFNetwork) + 116 [0x7fff916d379a] + ! | ! 1 HTTPCookieStorage::copyCookiesForURL(__CFURL const*, unsigned char) (in CFNetwork) + 508 [0x7fff916d3a54] + ! | ! : 1 HTTPCookieStorage::lookupAndCopyCookies(char const*, unsigned char const*, unsigned char, unsigned short, __CFArray*) (in CFNetwork) + 274 [0x7fff916d4094] + ! | ! : 1 _dispatch_semaphore_wait_slow (in libdispatch.dylib) + 224 [0x7fff94729c74] + ! | ! : 1 semaphore_wait_trap (in libsystem_kernel.dylib) + 10 [0x7fff93e56cd2] + ! | ! 1 HTTPCookieStorage::copyCookiesForURL(__CFURL const*, unsigned char) (in CFNetwork) + 635 [0x7fff916d3ad3] + ! | ! 1 HTTPCookieStorage::lookupAndCopyCookies(char const*, unsigned char const*, unsigned char, unsigned short, __CFArray*) (in CFNetwork) + 274 [0x7fff916d4094] + ! | ! 1 _dispatch_semaphore_wait_slow (in libdispatch.dylib) + 224 [0x7fff94729c74] + ! | ! 1 semaphore_wait_trap (in libsystem_kernel.dylib) + 10 [0x7fff93e56cd2] + ! | 1 HTTPProtocol::_protocolInterface_startLoad(_CFCachedURLResponse const*) (in CFNetwork) + 994 [0x7fff916d6176] + ! | 1 __CFNetworkCopyProxiesForURLWithInterface (in CFNetwork) + 44 [0x7fff916d649c] + ! | 1 CFURLCopyHostName (in CoreFoundation) + 215 [0x7fff8ddd0b37] + ! | 1 _retainedComponentString (in CoreFoundation) + 957 [0x7fff8dd4faad] + ! | 1 CFURLCreateStringByReplacingPercentEscapes (in CoreFoundation) + 561 [0x7fff8dd4ff11] + ! | 1 CFStringCreateWithBytes (in CoreFoundation) + 59 [0x7fff8dd481bb] + ! | 1 __CFStringCreateImmutableFunnel3 (in CoreFoundation) + 27 [0x7fff8dd37f5b] + ! 1 MultiplexerSource::perform() (in CFNetwork) + 41 [0x7fff916cc091] + ! 1 _OSSpinLockLockSlow (in libsystem_platform.dylib) + 65 [0x7fff875a7daf] + ! 1 syscall_thread_switch (in libsystem_kernel.dylib) + 10 [0x7fff93e56d92] + 1 OBJC_METACLASS_$_NSMiddleSpecifier (in Foundation) + 40 [0x7fff79ea3168] + 1 0x0 + 1 __commpage_gettimeofday (in libsystem_kernel.dylib) + 31 [0x7fff93e56e3f] 2607 Thread_3861187: com.apple.CFSocket.private + 2607 thread_start (in libsystem_pthread.dylib) + 13 [0x7fff94db5385] + 2607 _pthread_start (in libsystem_pthread.dylib) + 168 [0x7fff94db792e] + 2607 _pthread_body (in libsystem_pthread.dylib) + 131 [0x7fff94db79b1] + 2607 __CFSocketManager (in CoreFoundation) + 762 [0x7fff8ddfa29a] + 2607 __select (in libsystem_kernel.dylib) + 10 [0x7fff93e5c222] 2607 Thread_3893789: WebCore: AsyncFileStream + 2607 thread_start (in libsystem_pthread.dylib) + 13 [0x7fff94db5385] + 2607 _pthread_start (in libsystem_pthread.dylib) + 168 [0x7fff94db792e] + 2607 _pthread_body (in libsystem_pthread.dylib) + 131 [0x7fff94db79b1] + 2607 ***::wtfThreadEntryPoint(void*) (in JavaScriptCore) + 15 [0x7fff8d4b3e8f] + 2607 ***::threadEntryPoint(void*) (in JavaScriptCore) + 178 [0x7fff8d4b3f62] + 2607 std::__1::__function::__func&&)::$_9::operator()() const::'lambda'(), std::__1::allocator&&)::$_9::operator()() const::'lambda'()>, void ()>::operator()() (in WebCore) + 93 [0x7fff9763b08d] + 2607 std::__1::unique_ptr, std::__1::default_delete > > ***::MessageQueue >::waitForMessageFilteredWithTimeout >::waitForMessage()::'lambda'(std::__1::function const&)>(***::MessageQueueWaitResult&, ***::MessageQueue >::waitForMessage()::'lambda'(std::__1::function const&)&&, double) (in WebCore) + 80 [0x7fff9763bfc0] + 2607 ***::ThreadCondition::timedWait(***::Mutex&, double) (in JavaScriptCore) + 63 [0x7fff8d4be4ef] + 2607 _pthread_cond_wait (in libsystem_pthread.dylib) + 767 [0x7fff94db873d] + 2607 __psynch_cvwait (in libsystem_kernel.dylib) + 10 [0x7fff93e5bf5e] 2607 Thread_4801530 DispatchQueue_1313780: com.apple.CFNetwork.HTTP2.HTTP2Connection (serial) + 2607 start_wqthread (in libsystem_pthread.dylib) + 13 [0x7fff94db5375] + 2607 _pthread_wqthread (in libsystem_pthread.dylib) + 1129 [0x7fff94db74f2] + 2607 _dispatch_worker_thread3 (in libdispatch.dylib) + 91 [0x7fff94721b48] + 2607 _dispatch_root_queue_drain (in libdispatch.dylib) + 538 [0x7fff94721d9b] + 2607 _dispatch_queue_invoke (in libdispatch.dylib) + 549 [0x7fff947296c9] + 2494 _dispatch_queue_drain (in libdispatch.dylib) + 754 [0x7fff94723083] + ! 2469 _dispatch_client_callout (in libdispatch.dylib) + 8 [0x7fff9471e453] + ! : 1531 _dispatch_call_block_and_release (in libdispatch.dylib) + 12 [0x7fff947298ff] + ! : | 1341 ___ZN16SHTTP2Connection10scheduleIOEv_block_invoke (in CFNetwork) + 18 [0x7fff917794e1] + ! : | + 1261 SHTTP2Connection::_onqueue_scheduleIO() (in CFNetwork) + 122 [0x7fff917796d4] + ! : | + ! 558 SHTTP2Connection::_onqueue_performWrite() (in CFNetwork) + 216 [0x7fff9177afcc] + ! : | + ! : 503 dispatch_async (in libdispatch.dylib) + 63 [0x7fff94729051] + ! : | + ! : | 479 _dispatch_Block_copy (in libdispatch.dylib) + 43 [0x7fff9471e6d8] + ! : | + ! : | + 308 _Block_copy_internal (in libsystem_blocks.dylib) + 248 [0x7fff8926a550] + ! : | + ! : | + ! 285 malloc (in libsystem_malloc.dylib) + 42 [0x7fff8ce060dc] + ! : | + ! : | + ! : 255 malloc_zone_malloc (in libsystem_malloc.dylib) + 71 [0x7fff8ce075b1] + ! : | + ! : | + ! : | 134 szone_malloc_should_clear (in libsystem_malloc.dylib) + 76,112,... [0x7fff8ce0763d,0x7fff8ce07661,...] + ! : | + ! : | + ! : | 60 _os_lock_spin_lock (in libsystem_platform.dylib) + 12 [0x7fff875a77d6] + ! : | + ! : | + ! : | 17 szone_malloc_should_clear (in libsystem_malloc.dylib) + 112 [0x7fff8ce07661] + ! : | + ! : | + ! : | + 17 _os_lock_spin_lock (in libsystem_platform.dylib) + 0,23 [0x7fff875a77ca,0x7fff875a77e1] + ! : | + ! : | + ! : | 15 szone_malloc_should_clear (in libsystem_malloc.dylib) + 167 [0x7fff8ce07698] + ! : | + ! : | + ! : | + 11 _os_lock_spin_unlock (in libsystem_platform.dylib) + 0 [0x7fff875a78f4] + ! : | + ! : | + ! : | + 4 os_lock_unlock (in libsystem_platform.dylib) + 0 [0x7fff875a78ee] + ! : | + ! : | + ! : | 13 szone_malloc_should_clear (in libsystem_malloc.dylib) + 292 [0x7fff8ce07715] + ! : | + ! : | + ! : | + 13 tiny_malloc_from_free_list (in libsystem_malloc.dylib) + 149,417,... [0x7fff8ce08761,0x7fff8ce0886d,...] + ! : | + ! : | + ! : | 6 DYLD-STUB$$os_lock_unlock (in libsystem_malloc.dylib) + 0 [0x7fff8ce1e42e] + ! : | + ! : | + ! : | 5 szone_malloc (in libsystem_malloc.dylib) + 6,0 [0x7fff8ce075e9,0x7fff8ce075e3] + ! : | + ! : | + ! : | 4 os_lock_lock (in libsystem_platform.dylib) + 3 [0x7fff875a77c7] + ! : | + ! : | + ! : | 1 DYLD-STUB$$os_lock_lock (in libsystem_malloc.dylib) + 0 [0x7fff8ce1e422] + ! : | + ! : | + ! : 30 malloc_zone_malloc (in libsystem_malloc.dylib) + 22,6,... [0x7fff8ce07580,0x7fff8ce07570,...] + ! : | + ! : | + ! 23 malloc (in libsystem_malloc.dylib) + 17,24,... [0x7fff8ce060c3,0x7fff8ce060ca,...] + ! : | + ! : | + 79 _Block_copy_internal (in libsystem_blocks.dylib) + 289,28,... [0x7fff8926a579,0x7fff8926a474,...] + ! : | + ! : | + 75 _Block_copy_internal (in libsystem_blocks.dylib) + 273 [0x7fff8926a569] + ! : | + ! : | + ! 75 _platform_memmove$VARIANT$Merom (in libsystem_platform.dylib) + 43,31,... [0x7fff875ab24b,0x7fff875ab23f,...] + ! : | + ! : | + 6 DYLD-STUB$$_platform_memmove (in libsystem_platform.dylib) + 0 [0x7fff875ac46a] + ! : | + ! : | + 5 DYLD-STUB$$malloc (in libsystem_blocks.dylib) + 0 [0x7fff8926ab34] + ! : | + ! : | + 5 DYLD-STUB$$memmove (in libsystem_blocks.dylib) + 0 [0x7fff8926ab52] + ! : | + ! : | + 1 _Block_copy (in libsystem_blocks.dylib) + 0 [0x7fff8926a44e] + ! : | + ! : | 17 _dispatch_Block_copy (in libdispatch.dylib) + 52,43,... [0x7fff9471e6e1,0x7fff9471e6d8,...] + ! : | + ! : | 7 DYLD-STUB$$_Block_copy (in libdispatch.dylib) + 0 [0x7fff9474284a] + ! : | + ! : 50 dispatch_async (in libdispatch.dylib) + 27,358,... [0x7fff9472902d,0x7fff94729178,...] + ! : | + ! : 5 _dispatch_barrier_async_f (in libdispatch.dylib) + 402,0 [0x7fff94729493,0x7fff94729301] + ! : | + ! 314 SHTTP2Connection::_onqueue_performWrite() (in CFNetwork) + 21 [0x7fff9177af09] + ! : | + ! : 221 nghttp2_session_send (in CFNetwork) + 62 [0x7fff9177b012] + ! : | + ! : | 90 scf_nghttp2_send_callback(nghttp2_session*, unsigned char const*, unsigned long, int, void*) (in CFNetwork) + 28 [0x7fff9177bd8c] + ! : | + ! : | + 43 CFWriteStreamCanAcceptBytes (in CoreFoundation) + 377,103,... [0x7fff8de1be09,0x7fff8de1bcf7,...] + ! : | + ! : | + 33 CFWriteStreamCanAcceptBytes (in CoreFoundation) + 103 [0x7fff8de1bcf7] + ! : | + ! : | + ! 33 _CFStreamGetStatus (in CoreFoundation) + 450,460,... [0x7fff8dda7892,0x7fff8dda789c,...] + ! : | + ! : | + 11 DYLD-STUB$$object_getClass (in CoreFoundation) + 0 [0x7fff8df067f2] + ! : | + ! : | + 3 CFWriteStreamCanAcceptBytes (in CoreFoundation) + 90 [0x7fff8de1bcea] + ! : | + ! : | + 3 object_getClass (in libobjc.A.dylib) + 0 [0x7fff8f4f78d5] + ! : | + ! : | 88 scf_nghttp2_send_callback(nghttp2_session*, unsigned char const*, unsigned long, int, void*) (in CFNetwork) + 41 [0x7fff9177bd99] + ! : | + ! : | + 43 _CFStreamGetStatus (in CoreFoundation) + 450,457,... [0x7fff8dda7892,0x7fff8dda7899,...] + ! : | + ! : | + 29 CFWriteStreamGetStatus (in CoreFoundation) + 6,82,... [0x7fff8de1b486,0x7fff8de1b4d2,...] + ! : | + ! : | + 8 DYLD-STUB$$object_getClass (in CoreFoundation) + 0 [0x7fff8df067f2] + ! : | + ! : | + 5 CFWriteStreamGetStatus (in CoreFoundation) + 82 [0x7fff8de1b4d2] + ! : | + ! : | + ! 5 object_getClass (in libobjc.A.dylib) + 0 [0x7fff8f4f78d5] + ! : | + ! : | + 3 object_getClass (in libobjc.A.dylib) + 11 [0x7fff8f4f78e0] + ! : | + ! : | 33 scf_nghttp2_send_callback(nghttp2_session*, unsigned char const*, unsigned long, int, void*) (in CFNetwork) + 0,23,... [0x7fff9177bd70,0x7fff9177bd87,...] + ! : | + ! : | 8 DYLD-STUB$$CFWriteStreamGetStatus (in CFNetwork) + 0 [0x7fff918d75ae] + ! : | + ! : | 2 DYLD-STUB$$CFWriteStreamCanAcceptBytes (in CFNetwork) + 0 [0x7fff918d757e] + ! : | + ! : 61 nghttp2_session_send (in CFNetwork) + 24 [0x7fff9177afec] + ! : | + ! : | 61 nghttp2_session_mem_send_internal (in CFNetwork) + 1833,59,... [0x7fff9177b790,0x7fff9177b0a2,...] + ! : | + ! : 32 nghttp2_session_send (in CFNetwork) + 134,62,... [0x7fff9177b05a,0x7fff9177b012,...] + ! : | + ! 175 SHTTP2Connection::_onqueue_performWrite() (in CFNetwork) + 152 [0x7fff9177af8c] + ! : | + ! : 86 _CFRetain (in CoreFoundation) + 225,294,... [0x7fff8dd39fb1,0x7fff8dd39ff6,...] + ! : | + ! : 62 OSAtomicCompareAndSwapPtrBarrier$VARIANT$mp (in libsystem_platform.dylib) + 8,0,... [0x7fff875a79e4,0x7fff875a79dc,...] + ! : | + ! : 14 CFRetain (in CoreFoundation) + 91,19,... [0x7fff8dd39e5b,0x7fff8dd39e13,...] + ! : | + ! : 5 DYLD-STUB$$object_getClass (in CoreFoundation) + 0 [0x7fff8df067f2] + ! : | + ! : 4 object_getClass (in libobjc.A.dylib) + 11 [0x7fff8f4f78e0] + ! : | + ! : 2 CFRetain (in CoreFoundation) + 81 [0x7fff8dd39e51] + ! : | + ! : | 2 object_getClass (in libobjc.A.dylib) + 0 [0x7fff8f4f78d5] + ! : | + ! : 2 DYLD-STUB$$OSAtomicCompareAndSwap64Barrier (in CoreFoundation) + 0 [0x7fff8df06858] + ! : | + ! 116 _dispatch_barrier_async_f (in libdispatch.dylib) + 368,364,... [0x7fff94729471,0x7fff9472946d,...] + ! : | + ! 69 SHTTP2Connection::_onqueue_performWrite() (in CFNetwork) + 216,167,... [0x7fff9177afcc,0x7fff9177af9b,...] + ! : | + ! 15 SHTTP2Connection::_onqueue_performWrite() (in CFNetwork) + 139 [0x7fff9177af7f] + ! : | + ! : 15 nghttp2_session_want_write (in CFNetwork) + 20,0,... [0x7fff9177ae7d,0x7fff9177ae69,...] + ! : | + ! 9 DYLD-STUB$$dispatch_async (in CFNetwork) + 0 [0x7fff918d7e2a] + ! : | + ! 5 DYLD-STUB$$CFRetain (in CFNetwork) + 0 [0x7fff918d71dc] + ! : | + 65 SHTTP2Connection::_onqueue_scheduleIO() (in CFNetwork) + 126,15,... [0x7fff917796d8,0x7fff91779669,...] + ! : | + 15 SHTTP2Connection::_onqueue_scheduleIO() (in CFNetwork) + 110 [0x7fff917796c8] + ! : | + 15 nghttp2_session_want_write (in CFNetwork) + 115,98,... [0x7fff9177aedc,0x7fff9177aecb,...] + ! : | 77 CFRelease (in CoreFoundation) + 298,779,... [0x7fff8dd4133a,0x7fff8dd4151b,...] + ! : | 57 OSAtomicCompareAndSwapPtrBarrier$VARIANT$mp (in libsystem_platform.dylib) + 8,0,... [0x7fff875a79e4,0x7fff875a79dc,...] + ! : | 38 ___ZN16SHTTP2Connection10scheduleIOEv_block_invoke (in CFNetwork) + 1,10,... [0x7fff917794d0,0x7fff917794d9,...] + ! : | 6 DYLD-STUB$$OSAtomicCompareAndSwap64Barrier (in CoreFoundation) + 0 [0x7fff8df06858] + ! : | 6 DYLD-STUB$$object_getClass (in CoreFoundation) + 0 [0x7fff8df067f2] + ! : | 5 CFRelease (in CoreFoundation) + 106 [0x7fff8dd4127a] + ! : | + 5 object_getClass (in libobjc.A.dylib) + 0 [0x7fff8f4f78d5] + ! : | 1 object_getClass (in libobjc.A.dylib) + 11 [0x7fff8f4f78e0] + ! : 437 _Block_release (in libsystem_blocks.dylib) + 137 [0x7fff8926a6ba] + ! : | 187 objc_destructInstance (in libobjc.A.dylib) + 149 [0x7fff8f4f63a4] + ! : | + 62 _os_lock_handoff_lock (in libsystem_platform.dylib) + 23 [0x7fff875a7c2c] + ! : | + 54 objc_object::sidetable_clearDeallocating() (in libobjc.A.dylib) + 94 [0x7fff8f4f6620] + ! : | + ! 27 objc::DenseMapBase, unsigned long, true, objc::DenseMapInfo > >, DisguisedPtr, unsigned long, objc::DenseMapInfo >, true>::find(DisguisedPtr const&) (in libobjc.A.dylib) + 35 [0x7fff8f4f669f] + ! : | + ! : 27 bool objc::DenseMapBase, unsigned long, true, objc::DenseMapInfo > >, DisguisedPtr, unsigned long, objc::DenseMapInfo >, true>::LookupBucketFor >(DisguisedPtr const&, std::__1::pair, unsigned long> const*&) const (in libobjc.A.dylib) + 25,242,... [0x7fff8f50e593,0x7fff8f50e66c,...] + ! : | + ! 27 objc::DenseMapBase, unsigned long, true, objc::DenseMapInfo > >, DisguisedPtr, unsigned long, objc::DenseMapInfo >, true>::find(DisguisedPtr const&) (in libobjc.A.dylib) + 27,0,... [0x7fff8f4f6697,0x7fff8f4f667c,...] + ! : | + 46 objc_object::sidetable_clearDeallocating() (in libobjc.A.dylib) + 63,54,... [0x7fff8f4f6601,0x7fff8f4f65f8,...] + ! : | + 14 _os_lock_handoff_unlock (in libsystem_platform.dylib) + 0 [0x7fff875a7c34] + ! : | + 6 objc_object::sidetable_clearDeallocating() (in libobjc.A.dylib) + 63 [0x7fff8f4f6601] + ! : | + ! 4 _os_lock_handoff_lock (in libsystem_platform.dylib) + 30,0 [0x7fff875a7c33,0x7fff875a7c15] + ! : | + ! 2 os_lock_lock (in libsystem_platform.dylib) + 0 [0x7fff875a77c4] + ! : | + 3 DYLD-STUB$$os_lock_lock (in libobjc.A.dylib) + 0 [0x7fff8f50ed32] + ! : | + 2 os_lock_unlock (in libsystem_platform.dylib) + 0 [0x7fff875a78ee] + ! : | 180 objc_destructInstance (in libobjc.A.dylib) + 129 [0x7fff8f4f6390] + ! : | + 85 _object_remove_assocations (in libobjc.A.dylib) + 132,47,... [0x7fff8f4f644f,0x7fff8f4f63fa,...] + ! : | + 72 _os_lock_handoff_lock (in libsystem_platform.dylib) + 23 [0x7fff875a7c2c] + ! : | + 9 DYLD-STUB$$os_lock_lock (in libobjc.A.dylib) + 0 [0x7fff8f50ed32] + ! : | + 5 _object_remove_assocations (in libobjc.A.dylib) + 47 [0x7fff8f4f63fa] + ! : | + ! 4 _os_lock_handoff_lock (in libsystem_platform.dylib) + 30 [0x7fff875a7c33] + ! : | + ! 1 os_lock_lock (in libsystem_platform.dylib) + 0 [0x7fff875a77c4] + ! : | + 5 _object_remove_assocations (in libobjc.A.dylib) + 402 [0x7fff8f4f655d] + ! : | + ! 5 std::__1::__vector_base >::~__vector_base() (in libobjc.A.dylib) + 46,0 [0x7fff8f4f65c0,0x7fff8f4f6592] + ! : | + 3 DYLD-STUB$$os_lock_unlock (in libobjc.A.dylib) + 0 [0x7fff8f50ed3e] + ! : | + 1 _object_remove_assocations (in libobjc.A.dylib) + 393 [0x7fff8f4f6554] + ! : | + 1 _os_lock_handoff_unlock (in libsystem_platform.dylib) + 0 [0x7fff875a7c34] + ! : | 64 objc_destructInstance (in libobjc.A.dylib) + 51,129,... [0x7fff8f4f6342,0x7fff8f4f6390,...] + ! : | 2 DYLD-STUB$$os_lock_unlock (in libobjc.A.dylib) + 0 [0x7fff8f50ed3e] + ! : | 2 objc_object::sidetable_clearDeallocating() (in libobjc.A.dylib) + 180 [0x7fff8f4f6676] + ! : | 2 os_lock_unlock (in libsystem_platform.dylib) + 3 [0x7fff875a78f1] + ! : 150 _Block_release (in libsystem_blocks.dylib) + 103,116,... [0x7fff8926a698,0x7fff8926a6a5,...] + ! : 100 szone_free_definite_size (in libsystem_malloc.dylib) + 943,974,... [0x7fff8ce0973d,0x7fff8ce0975c,...] + ! : 82 free (in libsystem_malloc.dylib) + 61 [0x7fff8ce08ee5] + ! : | 82 szone_size (in libsystem_malloc.dylib) + 103,90,... [0x7fff8ce090b8,0x7fff8ce090ab,...] + ! : 60 _os_lock_spin_lock (in libsystem_platform.dylib) + 12 [0x7fff875a77d6] + ! : 59 free (in libsystem_malloc.dylib) + 58,36,... [0x7fff8ce08ee2,0x7fff8ce08ecc,...] + ! : 19 _dispatch_call_block_and_release (in libdispatch.dylib) + 12,20,... [0x7fff947298ff,0x7fff94729907,...] + ! : 11 DYLD-STUB$$os_lock_lock (in libsystem_malloc.dylib) + 0 [0x7fff8ce1e422] + ! : 8 szone_free_definite_size (in libsystem_malloc.dylib) + 943 [0x7fff8ce0973d] + ! : | 5 os_lock_lock (in libsystem_platform.dylib) + 0 [0x7fff875a77c4] + ! : | 3 _os_lock_spin_lock (in libsystem_platform.dylib) + 23,0 [0x7fff875a77e1,0x7fff875a77ca] + ! : 7 _os_lock_spin_unlock (in libsystem_platform.dylib) + 0 [0x7fff875a78f4] + ! : 3 szone_free_definite_size (in libsystem_malloc.dylib) + 2638 [0x7fff8ce09ddc] + ! : | 3 tiny_free_list_add_ptr (in libsystem_malloc.dylib) + 74 [0x7fff8ce0ab5e] + ! : 1 DYLD-STUB$$CFRelease (in CFNetwork) + 0 [0x7fff918d71d6] + ! : 1 os_lock_unlock (in libsystem_platform.dylib) + 0 [0x7fff875a78ee] + ! 21 _dispatch_client_callout (in libdispatch.dylib) + 0,8,... [0x7fff9471e44b,0x7fff9471e453,...] + ! 2 DYLD-STUB$$_Block_release (in libdispatch.dylib) + 0 [0x7fff9474285c] + ! 1 DYLD-STUB$$os_lock_unlock (in libsystem_malloc.dylib) + 0 [0x7fff8ce1e42e] + ! 1 free (in libsystem_malloc.dylib) + 290 [0x7fff8ce08fca] + 113 _dispatch_queue_drain (in libdispatch.dylib) + 593,625,... [0x7fff94722fe2,0x7fff94723002,...] 2606 Thread_4890535 + 2606 start_wqthread (in libsystem_pthread.dylib) + 13 [0x7fff94db5375] + 2606 _pthread_wqthread (in libsystem_pthread.dylib) + 1283 [0x7fff94db758c] + 2606 __workq_kernreturn (in libsystem_kernel.dylib) + 10 [0x7fff93e5c78a] 2592 Thread_4890714 + 2587 start_wqthread (in libsystem_pthread.dylib) + 13 [0x7fff94db5375] + ! 2562 _pthread_wqthread (in libsystem_pthread.dylib) + 1283 [0x7fff94db758c] + ! : 2562 __workq_kernreturn (in libsystem_kernel.dylib) + 10 [0x7fff93e5c78a] + ! 25 _pthread_wqthread (in libsystem_pthread.dylib) + 783 [0x7fff94db7398] + 5 start_wqthread (in libsystem_pthread.dylib) + 0 [0x7fff94db5368] 1599 Thread_4891042 + 1599 thread_start (in libsystem_pthread.dylib) + 13 [0x7fff94db5385] + 1599 _pthread_start (in libsystem_pthread.dylib) + 168 [0x7fff94db792e] + 1599 _pthread_body (in libsystem_pthread.dylib) + 131 [0x7fff94db79b1] + 1599 bmalloc::AsyncTask::pthreadEntryPoint(void*) (in JavaScriptCore) + 9 [0x7fff8daefc09] + 1343 bmalloc::AsyncTask::entryPoint() (in JavaScriptCore) + 90 [0x7fff8daefc6a] + ! 1342 bmalloc::Heap::concurrentScavenge() (in JavaScriptCore) + 68 [0x7fff8daed6e4] + ! : 904 bmalloc::Heap::scavenge(std::__1::unique_lock&, std::__1::chrono::duration >) (in JavaScriptCore) + 375 [0x7fff8daedb67] + ! : | 904 std::__1::this_thread::sleep_for(std::__1::chrono::duration > const&) (in libc++.1.dylib) + 75 [0x7fff999b7020] + ! : | 904 nanosleep (in libsystem_c.dylib) + 199 [0x7fff87b48a75] + ! : | 904 __semwait_signal (in libsystem_kernel.dylib) + 10 [0x7fff93e5c2b2] + ! : 438 bmalloc::Heap::scavenge(std::__1::unique_lock&, std::__1::chrono::duration >) (in JavaScriptCore) + 155 [0x7fff8daeda8b] + ! : 438 std::__1::this_thread::sleep_for(std::__1::chrono::duration > const&) (in libc++.1.dylib) + 75 [0x7fff999b7020] + ! : 438 nanosleep (in libsystem_c.dylib) + 199 [0x7fff87b48a75] + ! : 438 __semwait_signal (in libsystem_kernel.dylib) + 10 [0x7fff93e5c2b2] + ! 1 bmalloc::Heap::concurrentScavenge() (in JavaScriptCore) + 51 [0x7fff8daed6d3] + ! 1 bmalloc::StaticMutex::lockSlowCase() (in JavaScriptCore) + 21 [0x7fff8daeb165] + ! 1 sched_yield (in libsystem_pthread.dylib) + 11 [0x7fff94db83ac] + ! 1 swtch_pri (in libsystem_kernel.dylib) + 10 [0x7fff93e56d7a] + 256 bmalloc::AsyncTask::entryPoint() (in JavaScriptCore) + 181 [0x7fff8daefcc5] + 256 std::__1::cv_status std::__1::condition_variable_any::wait_until, std::__1::chrono::steady_clock, std::__1::chrono::duration > >(std::__1::unique_lock&, std::__1::chrono::time_point > > const&) (in JavaScriptCore) + 116 [0x7fff8daefd74] + 256 std::__1::cv_status std::__1::condition_variable::wait_until > >(std::__1::unique_lock&, std::__1::chrono::time_point > > const&) (in JavaScriptCore) + 128 [0x7fff8daefea0] + 256 std::__1::condition_variable::__do_timed_wait(std::__1::unique_lock&, std::__1::chrono::time_point > >) (in libc++.1.dylib) + 126 [0x7fff99978728] + 256 _pthread_cond_wait (in libsystem_pthread.dylib) + 767 [0x7fff94db873d] + 256 __psynch_cvwait (in libsystem_kernel.dylib) + 10 [0x7fff93e5bf5e] 1598 Thread_4891043 + 1595 start_wqthread (in libsystem_pthread.dylib) + 13 [0x7fff94db5375] + ! 1595 _pthread_wqthread (in libsystem_pthread.dylib) + 1283 [0x7fff94db758c] + ! 1595 __workq_kernreturn (in libsystem_kernel.dylib) + 10 [0x7fff93e5c78a] + 3 start_wqthread (in libsystem_pthread.dylib) + 0 [0x7fff94db5368] 11 Thread_4890714 DispatchQueue_68: com.apple.CFNetwork.CookieServerEndpoint-queue-0x7fbebac19640 (serial) + 11 start_wqthread (in libsystem_pthread.dylib) + 13 [0x7fff94db5375] + 11 _pthread_wqthread (in libsystem_pthread.dylib) + 1129 [0x7fff94db74f2] + 11 _dispatch_worker_thread3 (in libdispatch.dylib) + 91 [0x7fff94721b48] + 11 _dispatch_root_queue_drain (in libdispatch.dylib) + 538 [0x7fff94721d9b] + 11 _dispatch_queue_invoke (in libdispatch.dylib) + 549 [0x7fff947296c9] + 11 _dispatch_queue_drain (in libdispatch.dylib) + 754 [0x7fff94723083] + 11 _dispatch_client_callout (in libdispatch.dylib) + 8 [0x7fff9471e453] + 7 _xpc_connection_call_reply (in libxpc.dylib) + 76 [0x7fff92116714] + ! 7 _xpc_dispose (in libxpc.dylib) + 15 [0x7fff9211119d] + ! 7 _xpc_serializer_dispose (in libxpc.dylib) + 319 [0x7fff92112fcb] + ! 7 -[OS_dispatch_object _xref_dispose] (in libdispatch.dylib) + 48 [0x7fff9472038a] + ! 7 _dispatch_dispose (in libdispatch.dylib) + 55 [0x7fff947203e6] + ! 7 object_dispose (in libobjc.A.dylib) + 22 [0x7fff8f4f62e5] + ! 7 objc_destructInstance (in libobjc.A.dylib) + 129 [0x7fff8f4f6390] + ! 7 _object_remove_assocations (in libobjc.A.dylib) + 47 [0x7fff8f4f63fa] + ! 7 _os_lock_handoff_lock_slow (in libsystem_platform.dylib) + 111 [0x7fff875a81cd] + ! 7 syscall_thread_switch (in libsystem_kernel.dylib) + 10 [0x7fff93e56d92] + 2 _xpc_connection_call_reply (in libxpc.dylib) + 84 [0x7fff9211671c] + ! 2 -[OS_xpc_object _xref_dispose] (in libxpc.dylib) + 48 [0x7fff92111181] + ! 2 _xpc_dispose (in libxpc.dylib) + 15 [0x7fff9211119d] + ! 2 _xpc_dictionary_dispose (in libxpc.dylib) + 109 [0x7fff9211151e] + ! 2 -[OS_xpc_object _xref_dispose] (in libxpc.dylib) + 48 [0x7fff92111181] + ! 2 object_dispose (in libobjc.A.dylib) + 54 [0x7fff8f4f6305] + ! 2 szone_free_definite_size (in libsystem_malloc.dylib) + 943 [0x7fff8ce0973d] + ! 2 _OSSpinLockLockSlow (in libsystem_platform.dylib) + 65 [0x7fff875a7daf] + ! 2 syscall_thread_switch (in libsystem_kernel.dylib) + 10 [0x7fff93e56d92] + 1 _dispatch_call_block_and_release (in libdispatch.dylib) + 12 [0x7fff947298ff] + ! 1 ___ZN15ExternalStorage19withConnectionAsyncEU13block_pointerFvP17_xpc_connection_sE_block_invoke (in CFNetwork) + 59 [0x7fff916a60c3] + ! 1 ___ZN21ExternalCookieStorage20rpcCopyDomainCookiesEPKhhU13block_pointerFvPK18CompactCookieArrayE_block_invoke (in CFNetwork) + 157 [0x7fff916d46ce] + ! 1 -[OS_xpc_object _xref_dispose] (in libxpc.dylib) + 48 [0x7fff92111181] + ! 1 _xpc_dispose (in libxpc.dylib) + 15 [0x7fff9211119d] + ! 1 _xpc_dictionary_dispose (in libxpc.dylib) + 34 [0x7fff921114d3] + ! 1 szone_free_definite_size (in libsystem_malloc.dylib) + 943 [0x7fff8ce0973d] + ! 1 _OSSpinLockLockSlow (in libsystem_platform.dylib) + 65 [0x7fff875a7daf] + ! 1 syscall_thread_switch (in libsystem_kernel.dylib) + 10 [0x7fff93e56d92] + 1 _xpc_connection_call_reply (in libxpc.dylib) + 48 [0x7fff921166f8] + 1 szone_free_definite_size (in libsystem_malloc.dylib) + 943 [0x7fff8ce0973d] + 1 _OSSpinLockLockSlow (in libsystem_platform.dylib) + 65 [0x7fff875a7daf] + 1 syscall_thread_switch (in libsystem_kernel.dylib) + 10 [0x7fff93e56d92] 2 Thread_4890714 DispatchQueue_1393928: com.apple.IPC.ReceiveQueue (serial) + 2 start_wqthread (in libsystem_pthread.dylib) + 13 [0x7fff94db5375] + 2 _pthread_wqthread (in libsystem_pthread.dylib) + 1129 [0x7fff94db74f2] + 2 _dispatch_worker_thread3 (in libdispatch.dylib) + 91 [0x7fff94721b48] + 2 _dispatch_root_queue_drain (in libdispatch.dylib) + 538 [0x7fff94721d9b] + 2 _dispatch_queue_invoke (in libdispatch.dylib) + 549 [0x7fff947296c9] + 1 _dispatch_queue_drain (in libdispatch.dylib) + 754 [0x7fff94723083] + ! 1 _dispatch_client_callout (in libdispatch.dylib) + 8 [0x7fff9471e453] + ! 1 _dispatch_call_block_and_release (in libdispatch.dylib) + 12 [0x7fff947298ff] + ! 1 ___ZN3***9WorkQueue8dispatchENSt3__18functionIFvvEEE_block_invoke (in JavaScriptCore) + 23 [0x7fff8dad83a7] + ! 1 IPC::Connection::sendOutgoingMessages() (in WebKit) + 139 [0x7fff8c29ec9f] + ! 1 IPC::Connection::sendOutgoingMessage(std::__1::unique_ptr >) (in WebKit) + 648 [0x7fff8c2a2cd8] + ! 1 mach_msg (in libsystem_kernel.dylib) + 55 [0x7fff93e560d7] + ! 1 mach_msg_trap (in libsystem_kernel.dylib) + 10 [0x7fff93e56c96] + 1 _dispatch_queue_drain (in libdispatch.dylib) + 1207 [0x7fff94723248] + 1 _dispatch_source_invoke (in libdispatch.dylib) + 983 [0x7fff94722acb] + 1 _dispatch_source_latch_and_call (in libdispatch.dylib) + 2235 [0x7fff9472e675] + 1 _dispatch_client_callout (in libdispatch.dylib) + 8 [0x7fff9471e453] + 1 IPC::Connection::receiveSourceEventHandler() (in WebKit) + 734 [0x7fff8c2a30d0] + 1 IPC::MessageDecoder::MessageDecoder(IPC::DataReference const&, ***::Vector) (in WebKit) + 92 [0x7fff8c2d48f2] + 1 IPC::ArgumentDecoder::ArgumentDecoder(unsigned char const*, unsigned long, ***::Vector) (in WebKit) + 57 [0x7fff8c296a29] + 1 malloc (in libsystem_malloc.dylib) + 42 [0x7fff8ce060dc] + 1 malloc_zone_malloc (in libsystem_malloc.dylib) + 71 [0x7fff8ce075b1] + 1 szone_malloc_should_clear (in libsystem_malloc.dylib) + 1203 [0x7fff8ce07aa4] + 1 os_lock_lock (in libsystem_platform.dylib) + 0 [0x7fff875a77c4] 1 Thread_4890535 DispatchQueue_11: com.apple.root.default-qos.overcommit (serial) + 1 start_wqthread (in libsystem_pthread.dylib) + 13 [0x7fff94db5375] + 1 _pthread_wqthread (in libsystem_pthread.dylib) + 1129 [0x7fff94db74f2] + 1 _dispatch_worker_thread3 (in libdispatch.dylib) + 91 [0x7fff94721b48] + 1 _dispatch_root_queue_drain (in libdispatch.dylib) + 437 [0x7fff94721d36] + 1 _dispatch_queue_wakeup_global_slow (in libdispatch.dylib) + 60 [0x7fff94721787] + 1 _pthread_workqueue_addthreads (in libsystem_pthread.dylib) + 55 [0x7fff94db707b] + 1 __workq_kernreturn (in libsystem_kernel.dylib) + 10 [0x7fff93e5c78a] 1 Thread_4890714 DispatchQueue_153: NSURLConnection-2 (serial) + 1 start_wqthread (in libsystem_pthread.dylib) + 13 [0x7fff94db5375] + 1 _pthread_wqthread (in libsystem_pthread.dylib) + 1129 [0x7fff94db74f2] + 1 _dispatch_worker_thread3 (in libdispatch.dylib) + 91 [0x7fff94721b48] + 1 _dispatch_root_queue_drain (in libdispatch.dylib) + 538 [0x7fff94721d9b] + 1 _dispatch_queue_invoke (in libdispatch.dylib) + 549 [0x7fff947296c9] + 1 _dispatch_queue_drain (in libdispatch.dylib) + 754 [0x7fff94723083] + 1 _dispatch_client_callout (in libdispatch.dylib) + 8 [0x7fff9471e453] + 1 _dispatch_call_block_and_release (in libdispatch.dylib) + 12 [0x7fff947298ff] + 1 ___ZNK18QCoreSchedulingSet12performAsyncEU13block_pointerFvvE_block_invoke (in CFNetwork) + 21 [0x7fff91770b05] + 1 ___ZN27URLConnectionClient_Classic18_withDelegateAsyncEPKcU13block_pointerFvP16_CFURLConnectionPK33CFURLConnectionClientCurrent_VMaxE_block_invoke_2 (in CFNetwork) + 100 [0x7fff91865b47] + 1 ___ZN27URLConnectionClient_Classic26_delegate_didFinishLoadingEU13block_pointerFvvE_block_invoke (in CFNetwork) + 104 [0x7fff916d1352] + 1 -[NSURLConnectionInternal _withActiveConnectionAndDelegate:] (in CFNetwork) + 48 [0x7fff916cc52b] + 1 -[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:] (in CFNetwork) + 233 [0x7fff916cc626] + 1 -[__NSOperationInternal _waitUntilFinished:] (in Foundation) + 131 [0x7fff98dbbe32] + 1 _pthread_cond_wait (in libsystem_pthread.dylib) + 767 [0x7fff94db873d] + 1 __psynch_cvwait (in libsystem_kernel.dylib) + 10 [0x7fff93e5bf5e] 1 Thread_4890714 DispatchQueue_88: com.apple.NSURLSession-work (serial) 1 start_wqthread (in libsystem_pthread.dylib) + 13 [0x7fff94db5375] 1 _pthread_wqthread (in libsystem_pthread.dylib) + 1129 [0x7fff94db74f2] 1 _dispatch_worker_thread3 (in libdispatch.dylib) + 91 [0x7fff94721b48] 1 _dispatch_root_queue_drain (in libdispatch.dylib) + 538 [0x7fff94721d9b] 1 _dispatch_queue_invoke (in libdispatch.dylib) + 549 [0x7fff947296c9] 1 _dispatch_queue_drain (in libdispatch.dylib) + 754 [0x7fff94723083] 1 _dispatch_client_callout (in libdispatch.dylib) + 8 [0x7fff9471e453] 1 _Block_release (in libsystem_blocks.dylib) + 128 [0x7fff8926a6b1] 1 _Block_release (in libsystem_blocks.dylib) + 128 [0x7fff8926a6b1] 1 _Block_release (in libsystem_blocks.dylib) + 128 [0x7fff8926a6b1] 1 szone_free_definite_size (in libsystem_malloc.dylib) + 943 [0x7fff8ce0973d] 1 _OSSpinLockLockSlow (in libsystem_platform.dylib) + 65 [0x7fff875a7daf] 1 syscall_thread_switch (in libsystem_kernel.dylib) + 10 [0x7fff93e56d92] Total number in stack (recursive counted multiple, when >=5): 9 start_wqthread (in libsystem_pthread.dylib) + 13 [0x7fff94db5375] 9 syscall_thread_switch (in libsystem_kernel.dylib) + 0 [0x7fff93e56d88] 8 _OSSpinLockLockSlow (in libsystem_platform.dylib) + 65 [0x7fff875a7daf] 7 _dispatch_client_callout (in libdispatch.dylib) + 8 [0x7fff9471e453] 7 object_getClass (in libobjc.A.dylib) + 0 [0x7fff8f4f78d5] 6 _dispatch_worker_thread3 (in libdispatch.dylib) + 91 [0x7fff94721b48] 6 _pthread_wqthread (in libsystem_pthread.dylib) + 1129 [0x7fff94db74f2] 6 szone_free_definite_size (in libsystem_malloc.dylib) + 943 [0x7fff8ce0973d] 5 _dispatch_queue_drain (in libdispatch.dylib) + 754 [0x7fff94723083] 5 _dispatch_queue_invoke (in libdispatch.dylib) + 549 [0x7fff947296c9] 5 _dispatch_root_queue_drain (in libdispatch.dylib) + 538 [0x7fff94721d9b] 5 os_lock_lock (in libsystem_platform.dylib) + 0 [0x7fff875a77c4] Sort by top of stack, same collapsed (when >= 5): __workq_kernreturn (in libsystem_kernel.dylib) 6764 mach_msg_trap (in libsystem_kernel.dylib) 5197 __psynch_cvwait (in libsystem_kernel.dylib) 2864 __select (in libsystem_kernel.dylib) 2607 kevent_qos (in libsystem_kernel.dylib) 2606 __semwait_signal (in libsystem_kernel.dylib) 1342 _Block_release (in libsystem_blocks.dylib) 150 _os_lock_handoff_lock (in libsystem_platform.dylib) 142 _os_lock_spin_lock (in libsystem_platform.dylib) 140 szone_malloc_should_clear (in libsystem_malloc.dylib) 134 _dispatch_barrier_async_f (in libdispatch.dylib) 121 OSAtomicCompareAndSwapPtrBarrier$VARIANT$mp (in libsystem_platform.dylib) 119 _dispatch_queue_drain (in libdispatch.dylib) 113 szone_free_definite_size (in libsystem_malloc.dylib) 100 _CFRetain (in CoreFoundation) 86 _object_remove_assocations (in libobjc.A.dylib) 85 szone_size (in libsystem_malloc.dylib) 82 _Block_copy_internal (in libsystem_blocks.dylib) 79 CFRelease (in CoreFoundation) 77 _CFStreamGetStatus (in CoreFoundation) 76 _platform_memmove$VARIANT$Merom (in libsystem_platform.dylib) 75 SHTTP2Connection::_onqueue_performWrite() (in CFNetwork) 69 SHTTP2Connection::_onqueue_scheduleIO() (in CFNetwork) 65 objc_destructInstance (in libobjc.A.dylib) 64 nghttp2_session_mem_send_internal (in CFNetwork) 61 free (in libsystem_malloc.dylib) 60 dispatch_async (in libdispatch.dylib) 50 objc_object::sidetable_clearDeallocating() (in libobjc.A.dylib) 48 CFWriteStreamCanAcceptBytes (in CoreFoundation) 43 ___ZN16SHTTP2Connection10scheduleIOEv_block_invoke (in CFNetwork) 38 scf_nghttp2_send_callback(nghttp2_session*, unsigned char const*, unsigned long, int, void*) (in CFNetwork) 33 nghttp2_session_send (in CFNetwork) 32 DYLD-STUB$$object_getClass (in CoreFoundation) 30 malloc_zone_malloc (in libsystem_malloc.dylib) 30 nghttp2_session_want_write (in CFNetwork) 30 CFWriteStreamGetStatus (in CoreFoundation) 29 bool objc::DenseMapBase, unsigned long, true, objc::DenseMapInfo > >, DisguisedPtr, unsigned long, objc::DenseMapInfo >, true>::LookupBucketFor >(DisguisedPtr const&, std::__1::pair, unsigned long> const*&) const (in libobjc.A.dylib) 27 objc::DenseMapBase, unsigned long, true, objc::DenseMapInfo > >, DisguisedPtr, unsigned long, objc::DenseMapInfo >, true>::find(DisguisedPtr const&) (in libobjc.A.dylib) 27 _pthread_wqthread (in libsystem_pthread.dylib) 25 malloc (in libsystem_malloc.dylib) 23 object_getClass (in libobjc.A.dylib) 23 _dispatch_client_callout (in libdispatch.dylib) 21 _dispatch_call_block_and_release (in libdispatch.dylib) 19 _os_lock_spin_unlock (in libsystem_platform.dylib) 18 _dispatch_Block_copy (in libdispatch.dylib) 17 syscall_thread_switch (in libsystem_kernel.dylib) 17 _os_lock_handoff_unlock (in libsystem_platform.dylib) 15 tiny_malloc_from_free_list (in libsystem_malloc.dylib) 15 CFRetain (in CoreFoundation) 14 os_lock_lock (in libsystem_platform.dylib) 13 DYLD-STUB$$os_lock_lock (in libobjc.A.dylib) 12 DYLD-STUB$$os_lock_lock (in libsystem_malloc.dylib) 12 DYLD-STUB$$dispatch_async (in CFNetwork) 9 os_lock_unlock (in libsystem_platform.dylib) 9 DYLD-STUB$$CFWriteStreamGetStatus (in CFNetwork) 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- 0x7fff942f1ff7 libiconv.2.dylib (44) /usr/lib/libiconv.2.dylib 0x7fff9471c000 - 0x7fff94749fff libdispatch.dylib (500.1.5) /usr/lib/system/libdispatch.dylib 0x7fff9474a000 - 0x7fff94763ffb com.apple.openscripting (1.7 - 169) /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/OpenScripting.framework/Versions/A/OpenScripting 0x7fff94ad2000 - 0x7fff94aeafc7 libcompression.dylib (23) /usr/lib/libcompression.dylib 0x7fff94ca2000 - 0x7fff94d5bff7 libvMisc.dylib (563.3) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib 0x7fff94d5c000 - 0x7fff94d5cff7 libunc.dylib (29) /usr/lib/system/libunc.dylib 0x7fff94db4000 - 0x7fff94dbdff7 libsystem_pthread.dylib (137.1.1) /usr/lib/system/libsystem_pthread.dylib 0x7fff94dbe000 - 0x7fff94dc9ff7 libcommonCrypto.dylib (60074) /usr/lib/system/libcommonCrypto.dylib 0x7fff94ea0000 - 0x7fff94ea8fff libsystem_networkextension.dylib (384.1.2) /usr/lib/system/libsystem_networkextension.dylib 0x7fff9602d000 - 0x7fff9604fff7 com.apple.IconServices (68 - 68) /System/Library/PrivateFrameworks/IconServices.framework/Versions/A/IconServices 0x7fff96056000 - 0x7fff9607ffff libc++abi.dylib (125) /usr/lib/libc++abi.dylib 0x7fff96080000 - 0x7fff96375ff3 com.apple.HIToolbox (2.1.1 - 806) /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox 0x7fff96387000 - 0x7fff96fa9fff com.apple.AppKit (6.9 - 1404.11) /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit 0x7fff96fb2000 - 0x7fff9717bff7 com.apple.ImageIO.framework (3.3.0 - 1432) /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO 0x7fff9717c000 - 0x7fff97184fff libcopyfile.dylib (127) /usr/lib/system/libcopyfile.dylib 0x7fff972f8000 - 0x7fff983b5ff7 com.apple.WebCore (11601 - 11601.1.55) /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.framework/Versions/A/WebCore 0x7fff983c7000 - 0x7fff98405ff7 libGLImage.dylib (12.0.34.11) /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib 0x7fff98406000 - 0x7fff9840bfff com.apple.ImageCapture (9.0 - 9.0) /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture.framework/Versions/A/ImageCapture 0x7fff9840c000 - 0x7fff98467ff7 libTIFF.dylib (1432) /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib 0x7fff98468000 - 0x7fff98468fff com.apple.CoreServices (728.4 - 728.4) /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices 0x7fff98472000 - 0x7fff9847dff7 libChineseTokenizer.dylib (16) /usr/lib/libChineseTokenizer.dylib 0x7fff98579000 - 0x7fff985c9fff libcups.2.dylib (435) /usr/lib/libcups.2.dylib 0x7fff988aa000 - 0x7fff988aefff com.apple.CommonPanels (1.2.6 - 96) /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels.framework/Versions/A/CommonPanels 0x7fff989a6000 - 0x7fff98a33dd7 com.apple.AppleJPEG (1.0 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libc++.1.dylib (120.1) /usr/lib/libc++.1.dylib 0x7fff999ea000 - 0x7fff99a59ffb com.apple.datadetectorscore (7.0 - 460) /System/Library/PrivateFrameworks/DataDetectorsCore.framework/Versions/A/DataDetectorsCore 0x7fff99a70000 - 0x7fff99a9bff3 libarchive.2.dylib (32) /usr/lib/libarchive.2.dylib 0x7fff99a9c000 - 0x7fff99a9dfff libDiagnosticMessagesClient.dylib (100) /usr/lib/libDiagnosticMessagesClient.dylib 0x7fff99f09000 - 0x7fff99f0eff7 libmacho.dylib (875.1) /usr/lib/system/libmacho.dylib 0x7fff9a057000 - 0x7fff9a05cfff com.apple.DiskArbitration (2.7 - 2.7) /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration 0x7fff9a2fe000 - 0x7fff9a31afff com.apple.GenerationalStorage (2.0 - 239) /System/Library/PrivateFrameworks/GenerationalStorage.framework/Versions/A/GenerationalStorage 0x7fff9a31b000 - 0x7fff9a361ff7 libauto.dylib (186) /usr/lib/libauto.dylib 0x7fff9a38d000 - 0x7fff9a60affb com.apple.security (7.0 - 57336.1.9) /System/Library/Frameworks/Security.framework/Versions/A/Security 0x7fff9ac1c000 - 0x7fff9ac1ffff com.apple.IOSurface (108.0.1 - 108.0.1) /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface 0x7fff9ac42000 - 0x7fff9ac6bff7 libsystem_info.dylib (476) /usr/lib/system/libsystem_info.dylib 0x7fff9ac7f000 - 0x7fff9ae24ff3 com.apple.audio.toolbox.AudioToolbox (1.13 - 1.13) /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox 0x7fff9ae25000 - 0x7fff9ae33fff libxar.1.dylib (302) /usr/lib/libxar.1.dylib 0x7fff9b2bb000 - 0x7fff9b4c6fff libFosl_dynamic.dylib (16.24) /usr/lib/libFosl_dynamic.dylib 0x7fff9b4c7000 - 0x7fff9b56afff com.apple.Bluetooth (4.4.0 - 4.4.0f4) /System/Library/Frameworks/IOBluetooth.framework/Versions/A/IOBluetooth 0x7fff9b56b000 - 0x7fff9b587ff7 libextension.dylib (78) /usr/lib/libextension.dylib 0x7fff9b6a6000 - 0x7fff9b6a7fff libsystem_secinit.dylib (20) /usr/lib/system/libsystem_secinit.dylib Sample analysis of process 77694 written to file /dev/stdout

Why is this thing spinning the CPU? What calls is it making?

MacBook Air, OS X El Capitan (10.11)

Posted on Nov 26, 2015 12:32 AM

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Answer 1

Best reply

Puernox

Level 1

4 points

Jan 4, 2017 12:43 AM in response to deitcher

I started having this same problem but instead it was taking up +360% of my cpu so I quit the Safari Networking process and obviously it dropped back to a low idle however I am still able to use all of safari functions and add-ons with the process non-active.

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Answer 2

Eric Root

Level 10

684,039 points

Dec 18, 2017 9:00 AM in response to thomascann

You might want to start your own post. A new post would be much more visible. You can link to this one. Please state what your problem is.

Try running this program in your normal user account, then copy and paste the output in a reply. The program was created by etresoft, a frequent contributor. Please use copy and paste as screen shots can be hard to read. On the screen with Options, please open Options and check the bottom 2 boxes before running. Click “Share Report” button in the toolbar, select “Copy Report” and then paste into a reply. This will show what is running on your computer. No personal information is shown.

Etrecheck – System Information

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Answer 3

Linc Davis

Level 10

209,547 points

Nov 26, 2015 10:16 AM in response to deitcher

Please read this whole message before doing anything.

This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it.

Step 1

The purpose of this step is to determine whether the problem is localized to your user account.

Enable guest logins* and log in as Guest. Don't use the Safari-only “Guest User” login created by “Find My Mac.”

While logged in as Guest, you won’t have access to any of your documents or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this behavior; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.

Test while logged in as Guest. Same problem?

After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.

*Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.

Step 2

The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.

Please take this step regardless of the results of Step 1.

Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem.

Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Ask for further instructions.

Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.

The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.

Test while in safe mode. Same problem?

After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of Steps 1 and 2.

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Answer 4

deitcher Author

Level 1

8 points

Nov 26, 2015 10:27 PM in response to Linc Davis

@Linc, thank you for the suggestions.

As I wrote explicitly, I am not looking to determine if it is a user setting or to reboot or logout and in, which is rather heavy-handed, and would never be used in a production environment (of which I have managed many).

I am looking for a way to inspect the running process itself to discover what it is spinning its wheels (pun intended) on.

In any case, it is not as if this is a consistent situation, wherein every time I log in Safari Networking jumps to 90% CPU within x minutes and stays for weeks. It comes and goes, so even if I log in as another user, and the situation does not appear, that proves nothing. Further, it would not help because my every day activities are what I need to do, which safe mode does not provide.

In short: how can I debug the problem itself?

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Answer 5

Linc Davis

Level 10

209,547 points

Nov 27, 2015 10:29 AM in response to deitcher

How often do you notice the activity, and how long does it usually last?

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Answer 6

deitcher Author

Level 1

8 points

Nov 28, 2015 7:29 AM in response to Linc Davis

At least once a day to several times a day. Can last from a few minutes to an entire work session of hours. I have trained myself mostly to ignore the spinning fans, so am amazed when a colleague comes by with a quiet Mac.

Whatever it is doing, it should be possible to trace it and understand where it is churning.

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Answer 7

Linc Davis

Level 10

209,547 points

Nov 28, 2015 8:21 AM in response to deitcher

When you notice the fan activity, note the exact time: hour, minute, second.

These instructions must be carried out as an administrator. If you have only one user account, you are the administrator.

Launch the Console application in any of the following ways:

☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)

☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.

☞ Open LaunchPad and start typing the name.

The title of the Console window should be All Messages. If it isn't, select

SYSTEM LOG QUERIES ▹ All Messages

from the log list on the left. If you don't see that list, select

View ▹ Show Log List

from the menu bar at the top of the screen.

Each message in the log begins with the date and time when it was entered. Scroll back to the time you noted above.

Select the messages entered from then until the end of the episode, or until they start to repeat, whichever comes first.

Copy the messages to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.

The log contains a vast amount of information, almost all of it useless for solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.

Please don't indiscriminately dump thousands of lines from the log into this discussion.

Please don't post screenshots of log messages—post the text.

Some private information, such as your name, may appear in the log. Anonymize before posting.

When you post the log extract, you might see an error message on the web page: "You have included content in your post that is not permitted," or "The message contains invalid characters." That's a bug in the forum software. Please post the text on Pastebin, then post a link here to the page you created.

If you have an account on Pastebin, please don't select Private from the Paste Exposure menu on the page, because then no one but you will be able to see it.

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Answer 8

deitcher Author

Level 1

8 points

Nov 28, 2015 8:24 AM in response to Linc Davis

OK, I will look next time it happens.

I would, however, not mind proper digging into "Safari Networking"'s logs, or a dtrace script, that would tell is exactly what it is doing.

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Answer 9

Linc Davis

Level 10

209,547 points

Nov 28, 2015 8:27 AM in response to deitcher

That might be a later step, if needed.

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Answer 10

deitcher Author

Level 1

8 points

Nov 28, 2015 8:28 AM in response to Linc Davis

OK. I figured that would be a lot easier than trying to reboot multiple times, log in and out, and sort of guess user as opposed to just using dtrace to find the actual issue.

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Answer 11

St.Pete

Level 1

9 points

Mar 18, 2016 8:06 PM in response to deitcher

Same aggravating problem here off and on for about year. I see over 700 others have looked this over too- clearly with no solutions.
It's kind of a drag, and not my first choice, but I guess the easiest solution is to stop using Safari. *sigh

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Answer 12

xser

Level 1

87 points

Aug 30, 2016 6:49 PM in response to St.Pete

I'm now having this problem on my *second* machine. The only thing that fixed it last time was a full fresh install (without restoring/migrating from a backup). I won't have the time to do this on my second machine for months. So I'll have to either stop using it for months or find a better solution in short order.

Does anyone have a solution yet?

(I've just reinstalled the OSx 10.11.* and migrated everything but settings; the problem remains.)

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Answer 13

Dec 18, 2017 7:23 AM in response to xser

I migrated only the application folder via Time Machine into a fresh restore and the issue has reappeared

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Answer 14

Dec 18, 2017 7:44 AM in response to thomascann

Also, safe mode does not reproduce the issue. I wonder what application support file or whatever it could be?

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Answer 15

Jan 29, 2018 6:42 AM in response to deitcher

Stack overflow is triggering it

same issue, I just killed it, may be some crypto mining behind it.

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