Closed Bug 1657122 Opened 4 years ago Closed 4 years ago

Compact ObjectGroups

Tracking

()

Status:

RESOLVED FIXED

Milestone:

81 Branch

Tracking Flags:

Tracking

Status

firefox81

---

fixed

People

(Reporter: jonco, Assigned: jonco)

References

Details

Attachments

(1 file)

Bug 1657122 - Compact ObjectGroups r?sfink 4 years ago Jon Coppeard (:jonco) (PTO until 14th September) (deleted), text/x-phabricator-request		Details

Jon Coppeard (:jonco) (PTO until 14th September)

Assignee

Description

•

4 years ago

For bug 1654853 we have to be able to move all kinds of GC things in non-atoms zone and we don't move ObjectGroups at the moment. I don't think there's anything stopping us from doing this.

Jon Coppeard (:jonco) (PTO until 14th September)

Assignee

Updated

•

4 years ago

Severity: -- → N/A

Priority: -- → P3

Jon Coppeard (:jonco) (PTO until 14th September)

Assignee

Comment 1

•

4 years ago

Attached file Bug 1657122 - Compact ObjectGroups r?sfink (deleted) — Details

Previously we didn't compact ObjectGroups, but doing this would hopfully unlock more memory savings in bug 1654853.

Most of the trickiness here comes from accessing objects whose object group is forwarded, so require special-case handling to get their class, compartment etc.

Pulsebot

Comment 3

•

4 years ago

Pushed by jcoppeard@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/664faa6f72ad Compact ObjectGroups r=sfink,decoder

Natalia Csoregi [:nataliaCs]

Comment 4

•

4 years ago

Backed out for tsan failures on Cell.h

backout: https://hg.mozilla.org/integration/autoland/rev/e4ac63e4ff762a77c33ebcbb82c7d9b640bc18f5

push: https://treeherder.mozilla.org/#/jobs?repo=autoland&group_state=expanded&searchStr=linux%2C18.04%2Cx64%2Ctsan%2Copt%2C&revision=664faa6f72adbcfaecc7d51d6906a755c9775361&selectedTaskRun=ddPSCCBwQSOq7mF-VCqUkw.0

failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=312242911&repo=autoland&lineNumber=3681

[task 2020-08-06T11:16:34.422Z] 11:16:34 [task 2020-08-06T11:16:36.061Z] 11:16:36 [task 2020-08-06T11:16:36.061Z] 11:16:36 [task 2020-08-06T11:16:36.750Z] 11:16:36 [task 2020-08-06T11:16:36.750Z] 11:16:36 [task 2020-08-06T11:16:36.750Z] 11:16:36 [task 2020-08-06T11:16:36.750Z] 11:16:36 [task 2020-08-06T11:16:36.750Z] 11:16:36 [task 2020-08-06T11:16:36.750Z] 11:16:36 [task 2020-08-06T11:16:36.750Z] 11:16:36 [task 2020-08-06T11:16:36.750Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.751Z] 11:16:36 [task 2020-08-06T11:16:36.752Z] 11:16:36 [task 2020-08-06T11:16:36.753Z] 11:16:36 [task 2020-08-06T11:16:36.753Z] 11:16:36 [task 2020-08-06T11:16:36.753Z] 11:16:36 [task 2020-08-06T11:16:36.753Z] 11:16:36 [task 2020-08-06T11:16:36.753Z] 11:16:36 [task 2020-08-06T11:16:36.753Z] 11:16:36 [task 2020-08-06T11:16:36.759Z] 11:16:36 [task 2020-08-06T11:16:36.759Z] 11:16:36 [task 2020-08-06T11:16:36.759Z] 11:16:36 [task 2020-08-06T11:16:36.759Z] 11:16:36 [task 2020-08-06T11:16:36.759Z] 11:16:36 [task 2020-08-06T11:16:36.759Z] 11:16:36 [task 2020-08-06T11:16:36.759Z] 11:16:36 [task 2020-08-06T11:16:36.760Z] 11:16:36 [task 2020-08-06T11:16:36.761Z] 11:16:36 [task 2020-08-06T11:16:36.761Z] 11:16:36 [task 2020-08-06T11:16:36.761Z] 11:16:36 [task 2020-08-06T11:16:36.761Z] 11:16:36 [task 2020-08-06T11:16:36.763Z] 11:16:36 [task 2020-08-06T11:16:36.764Z] 11:16:36 [task 2020-08-06T11:16:36.766Z] 11:16:36 [task 2020-08-06T11:16:36.767Z] 11:16:36 [task 2020-08-06T11:16:36.768Z] 11:16:36 [task 2020-08-06T11:16:36.769Z] 11:16:36 [task 2020-08-06T11:16:36.770Z] 11:16:36 [task 2020-08-06T11:16:36.773Z] 11:16:36 [task 2020-08-06T11:16:36.782Z] 11:16:36 [task 2020-08-06T11:16:36.783Z] 11:16:36 [task 2020-08-06T11:16:36.784Z] 11:16:36 [task 2020-08-06T11:16:36.784Z] 11:16:36 [task 2020-08-06T11:16:36.785Z] 11:16:36 [task 2020-08-06T11:16:36.786Z] 11:16:36 [task 2020-08-06T11:16:36.787Z] 11:16:36 [task 2020-08-06T11:16:36.788Z] 11:16:36 [task 2020-08-06T11:16:36.789Z] 11:16:36 [task 2020-08-06T11:16:36.790Z] 11:16:36 [task 2020-08-06T11:16:36.790Z] 11:16:36 [task 2020-08-06T11:16:36.791Z] 11:16:36 [task 2020-08-06T11:16:36.792Z] 11:16:36 [task 2020-08-06T11:16:36.793Z] 11:16:36 [task 2020-08-06T11:16:36.794Z] 11:16:36 [task 2020-08-06T11:16:36.795Z] 11:16:36 [task 2020-08-06T11:16:36.795Z] 11:16:36 [task 2020-08-06T11:16:36.796Z] 11:16:36 [task 2020-08-06T11:16:36.797Z] 11:16:36 [task 2020-08-06T11:16:36.798Z] 11:16:36 [task 2020-08-06T11:16:36.799Z] 11:16:36 [task 2020-08-06T11:16:36.799Z] 11:16:36 [task 2020-08-06T11:16:36.800Z] 11:16:36 [task 2020-08-06T11:16:36.800Z] 11:16:36 [task 2020-08-06T11:16:36.801Z] 11:16:36 [task 2020-08-06T11:16:36.801Z] 11:16:36 [task 2020-08-06T11:16:36.801Z] 11:16:36 [task 2020-08-06T11:16:36.801Z] 11:16:36 [task 2020-08-06T11:16:36.801Z] 11:16:36 INFO - TEST-START | toolkit/components/extensions/test/mochitest/test_ext_background_page.html
INFO - GECKO(3477) | Console message: [JavaScript Warning: "alert() is not supported in background windows; please use console.log instead." {file: "moz-extension://3da1a20f-442a-47c0-8744-59048bdc6fc7/%7Bf80b783d-75af-4a63-a405-96f0842d9ee1%7D.js" line: 2}]
INFO - GECKO(3477) | Console message: [JavaScript Warning: "I am an alert in the background." {file: "moz-extension://3da1a20f-442a-47c0-8744-59048bdc6fc7/%7Bf80b783d-75af-4a63-a405-96f0842d9ee1%7D.js" line: 2}]
INFO - GECKO(3477) | ==================
INFO - GECKO(3477) | WARNING: ThreadSanitizer: data race (pid=3585)
INFO - GECKO(3477) | Read of size 8 at 0x7f8408379b00 by thread T9:
INFO - GECKO(3477) | #0 isForwarded /builds/worker/checkouts/gecko/js/src/gc/Cell.h:136:37 (libxul.so+0x6e35fc8)
INFO - GECKO(3477) | #1 IsForwarded<JSObject> /builds/worker/checkouts/gecko/js/src/gc/Marking-inl.h:82:13 (libxul.so+0x6e35fc8)
INFO - GECKO(3477) | #2 updateEdge<JSObject> /builds/worker/checkouts/gecko/js/src/gc/GC.cpp:2110:53 (libxul.so+0x6e35fc8)
INFO - GECKO(3477) | #3 js::gc::MovingTracer::onObjectEdge(JSObject**) /builds/worker/checkouts/gecko/js/src/gc/GC.cpp:2117:59 (libxul.so+0x6e35fc8)
INFO - GECKO(3477) | #4 dispatchToOnEdge /builds/worker/workspace/obj-build/dist/include/js/TracingAPI.h:259:51 (libxul.so+0x6ea441a)
INFO - GECKO(3477) | #5 bool DoCallback<JSObject>(JS::CallbackTracer*, JSObject**, char const*) /builds/worker/checkouts/gecko/js/src/gc/Tracer.cpp:45:15 (libxul.so+0x6ea441a)
INFO - GECKO(3477) | #6 TraceEdgeInternal<JSObject > /builds/worker/checkouts/gecko/js/src/gc/Marking.cpp:706:10 (libxul.so+0x6e7519f)
INFO - GECKO(3477) | #7 TraceEdge<JSFunction > /builds/worker/checkouts/gecko/js/src/gc/Tracer.h:125:3 (libxul.so+0x6e7519f)
INFO - GECKO(3477) | #8 TraceNullableEdge<JSFunction > /builds/worker/checkouts/gecko/js/src/gc/Tracer.h:152:5 (libxul.so+0x6e7519f)
INFO - GECKO(3477) | #9 js::FunctionScope::AbstractData<JSAtom>::trace(JSTracer) /builds/worker/checkouts/gecko/js/src/gc/Marking.cpp:1412:3 (libxul.so+0x6e7519f)
INFO - GECKO(3477) | #10 operator()<js::FunctionScope::AbstractData<JSAtom> > /builds/worker/checkouts/gecko/js/src/gc/Marking.cpp:1444:48 (libxul.so+0x6e75933)
INFO - GECKO(3477) | #11 applyScopeDataTyped<(lambda at /builds/worker/checkouts/gecko/js/src/gc/Marking.cpp:1444:23)> /builds/worker/checkouts/gecko/js/src/vm/Scope.h:1069:7 (libxul.so+0x6e75933)
INFO - GECKO(3477) | #12 js::Scope::traceChildren(JSTracer) /builds/worker/checkouts/gecko/js/src/gc/Marking.cpp:1444:3 (libxul.so+0x6e75933)
INFO - GECKO(3477) | #13 UpdateCellPointers<js::Scope> /builds/worker/checkouts/gecko/js/src/gc/GC.cpp:2201:9 (libxul.so+0x6e3899c)
INFO - GECKO(3477) | #14 UpdateArenaPointersTyped<js::Scope> /builds/worker/checkouts/gecko/js/src/gc/GC.cpp:2207:5 (libxul.so+0x6e3899c)
INFO - GECKO(3477) | #15 UpdateArenaPointers /builds/worker/checkouts/gecko/js/src/gc/GC.cpp:2236:5 (libxul.so+0x6e3899c)
INFO - GECKO(3477) | #16 UpdateArenaListSegmentPointers(js::gc::GCRuntime, ArenaListSegment const&) /builds/worker/checkouts/gecko/js/src/gc/GC.cpp:2260:5 (libxul.so+0x6e3899c)
INFO - GECKO(3477) | #17 js::gc::ParallelWorker<ArenaListSegment, ArenasToUpdate>::run() /builds/worker/checkouts/gecko/js/src/gc/ParallelWork.h:55:22 (libxul.so+0x6e6c660)
INFO - GECKO(3477) | #18 js::GCParallelTask::runTask() /builds/worker/checkouts/gecko/js/src/gc/GCParallelTask.cpp:146:3 (libxul.so+0x6e5f7af)
INFO - GECKO(3477) | #19 js::GCParallelTask::runFromHelperThread(js::AutoLockHelperThreadState&) /builds/worker/checkouts/gecko/js/src/gc/GCParallelTask.cpp:131:5 (libxul.so+0x6e5f63e)
INFO - GECKO(3477) | #20 js::HelperThread::handleGCParallelWorkload(js::AutoLockHelperThreadState&) /builds/worker/checkouts/gecko/js/src/vm/HelperThreads.cpp:1690:21 (libxul.so+0x68cc142)
INFO - GECKO(3477) | #21 js::HelperThread::threadLoop() /builds/worker/checkouts/gecko/js/src/vm/HelperThreads.cpp:2448:5 (libxul.so+0x68cdf57)
INFO - GECKO(3477) | #22 js::HelperThread::ThreadMain(void) /builds/worker/checkouts/gecko/js/src/vm/HelperThreads.cpp:2019:11 (libxul.so+0x68ca2ad)
INFO - GECKO(3477) | #23 callMain<0> /builds/worker/checkouts/gecko/js/src/threading/Thread.h:217:5 (libxul.so+0x68d6af0)
INFO - GECKO(3477) | #24 js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::Start(void*) /builds/worker/checkouts/gecko/js/src/threading/Thread.h:206:11 (libxul.so+0x68d6af0)
INFO - GECKO(3477) | Previous write of size 8 at 0x7f8408379b00 by thread T10:
INFO - GECKO(3477) | [failed to restore the stack]
INFO - GECKO(3477) | Thread T9 'JS Helper' (tid=3611, running) created by main thread at:
INFO - GECKO(3477) | #0 pthread_create /builds/worker/fetches/llvm-project/llvm/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:967:3 (firefox+0x584eb)
INFO - GECKO(3477) | #1 js::Thread::create(void* ()(void), void*) /builds/worker/checkouts/gecko/js/src/threading/posix/PosixThread.cpp:52:7 (libxul.so+0x6831201)
INFO - GECKO(3477) | #2 bool js::Thread::init<void (&)(void*), js::HelperThread*>(void (&)(void*), js::HelperThread*&&) /builds/worker/checkouts/gecko/js/src/threading/Thread.h:90:12 (libxul.so+0x68ca1c2)
INFO - GECKO(3477) | #3 js::GlobalHelperThreadState::ensureInitialized() /builds/worker/checkouts/gecko/js/src/vm/HelperThreads.cpp:1124:27 (libxul.so+0x68c533a)
INFO - GECKO(3477) | #4 js::EnsureHelperThreadsInitialized() /builds/worker/checkouts/gecko/js/src/vm/HelperThreads.cpp:96:30 (libxul.so+0x68c4f82)
INFO - GECKO(3477) | #5 JSRuntime::init(JSContext*, unsigned int) /builds/worker/checkouts/gecko/js/src/vm/Runtime.cpp:200:32 (libxul.so+0x6a2f5c2)
INFO - GECKO(3477) | #6 js::NewContext(unsigned int, JSRuntime*) /builds/worker/checkouts/gecko/js/src/vm/JSContext.cpp:183:17 (libxul.so+0x69697cf)
INFO - GECKO(3477) | #7 JS_NewContext(unsigned int, JSRuntime*) /builds/worker/checkouts/gecko/js/src/jsapi.cpp:395:10 (libxul.so+0x67cb374)
INFO - GECKO(3477) | #8 mozilla::CycleCollectedJSContext::Initialize(JSRuntime*, unsigned int) /builds/worker/checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:127:16 (libxul.so+0xa2575b)
INFO - GECKO(3477) | #9 XPCJSContext::Initialize() /builds/worker/checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1134:32 (libxul.so+0x198e4ca)
INFO - GECKO(3477) | #10 XPCJSContext::NewXPCJSContext() /builds/worker/checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1330:23 (libxul.so+0x198f0a7)
INFO - GECKO(3477) | #11 InitJSContext /builds/worker/checkouts/gecko/js/xpconnect/src/nsXPConnect.cpp:80:25 (libxul.so+0x19cadd3)
INFO - GECKO(3477) | #12 xpc::InitializeJSContext() /builds/worker/checkouts/gecko/js/xpconnect/src/nsXPConnect.cpp:95:35 (libxul.so+0x19cadd3)
INFO - GECKO(3477) | #13 NS_InitXPCOM /builds/worker/checkouts/gecko/xpcom/build/XPCOMInit.cpp:491:5 (libxul.so+0xb5c9fe)
INFO - GECKO(3477) | #14 XRE_InitEmbedding2(nsIFile*, nsIFile*, nsIDirectoryServiceProvider*) /builds/worker/checkouts/gecko/toolkit/xre/nsEmbedFunctions.cpp:197:8 (libxul.so+0x65e97f4)
INFO - GECKO(3477) | #15 mozilla::ipc::ScopedXREEmbed::Start() /builds/worker/checkouts/gecko/ipc/glue/ScopedXREEmbed.cpp (libxul.so+0x14116f3)
INFO - GECKO(3477) | #16 mozilla::dom::ContentProcess::Init(int, char**) /builds/worker/checkouts/gecko/dom/ipc/ContentProcess.cpp:201:13 (libxul.so+0x453f6b2)
INFO - GECKO(3477) | #17 XRE_InitChildProcess(int, char**, XREChildData const*) /builds/worker/checkouts/gecko/toolkit/xre/nsEmbedFunctions.cpp:710:21 (libxul.so+0x65ea022)
INFO - GECKO(3477) | #18 mozilla::BootstrapImpl::XRE_InitChildProcess(int, char**, XREChildData const*) /builds/worker/checkouts/gecko/toolkit/xre/Bootstrap.cpp:67:12 (libxul.so+0x65f2152)
INFO - GECKO(3477) | #19 content_process_main /builds/worker/checkouts/gecko/browser/app/../../ipc/contentproc/plugin-container.cpp:56:28 (firefox+0xca0d7)
INFO - GECKO(3477) | #20 main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:303:18 (firefox+0xca0d7)
INFO - GECKO(3477) | Thread T10 'JS Helper' (tid=3612, running) created by main thread at:
INFO - GECKO(3477) | #0 pthread_create /builds/worker/fetches/llvm-project/llvm/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:967:3 (firefox+0x584eb)
INFO - GECKO(3477) | #1 js::Thread::create(void* ()(void), void*) /builds/worker/checkouts/gecko/js/src/threading/posix/PosixThread.cpp:52:7 (libxul.so+0x6831201)
INFO - GECKO(3477) | #2 bool js::Thread::init<void (&)(void*), js::HelperThread*>(void (&)(void*), js::HelperThread*&&) /builds/worker/checkouts/gecko/js/src/threading/Thread.h:90:12 (libxul.so+0x68ca1c2)
INFO - GECKO(3477) | #3 js::GlobalHelperThreadState::ensureInitialized() /builds/worker/checkouts/gecko/js/src/vm/HelperThreads.cpp:1124:27 (libxul.so+0x68c533a)
INFO - GECKO(3477) | #4 js::EnsureHelperThreadsInitialized() /builds/worker/checkouts/gecko/js/src/vm/HelperThreads.cpp:96:30 (libxul.so+0x68c4f82)
INFO - GECKO(3477) | #5 JSRuntime::init(JSContext*, unsigned int) /builds/worker/checkouts/gecko/js/src/vm/Runtime.cpp:200:32 (libxul.so+0x6a2f5c2)
INFO - GECKO(3477) | #6 js::NewContext(unsigned int, JSRuntime*) /builds/worker/checkouts/gecko/js/src/vm/JSContext.cpp:183:17 (libxul.so+0x69697cf)
INFO - GECKO(3477) | #7 JS_NewContext(unsigned int, JSRuntime*) /builds/worker/checkouts/gecko/js/src/jsapi.cpp:395:10 (libxul.so+0x67cb374)
INFO - GECKO(3477) | #8 mozilla::CycleCollectedJSContext::Initialize(JSRuntime*, unsigned int) /builds/worker/checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:127:16 (libxul.so+0xa2575b)
INFO - GECKO(3477) | #9 XPCJSContext::Initialize() /builds/worker/checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1134:32 (libxul.so+0x198e4ca)
INFO - GECKO(3477) | #10 XPCJSContext::NewXPCJSContext() /builds/worker/checkouts/gecko/js/xpconnect/src/XPCJSContext.cpp:1330:23 (libxul.so+0x198f0a7)
INFO - GECKO(3477) | #11 InitJSContext /builds/worker/checkouts/gecko/js/xpconnect/src/nsXPConnect.cpp:80:25 (libxul.so+0x19cadd3)
INFO - GECKO(3477) | #12 xpc::InitializeJSContext() /builds/worker/checkouts/gecko/js/xpconnect/src/nsXPConnect.cpp:95:35 (libxul.so+0x19cadd3)
INFO - GECKO(3477) | #13 NS_InitXPCOM /builds/worker/checkouts/gecko/xpcom/build/XPCOMInit.cpp:491:5 (libxul.so+0xb5c9fe)
INFO - GECKO(3477) | #14 XRE_InitEmbedding2(nsIFile*, nsIFile*, nsIDirectoryServiceProvider*) /builds/worker/checkouts/gecko/toolkit/xre/nsEmbedFunctions.cpp:197:8 (libxul.so+0x65e97f4)
INFO - GECKO(3477) | #15 mozilla::ipc::ScopedXREEmbed::Start() /builds/worker/checkouts/gecko/ipc/glue/ScopedXREEmbed.cpp (libxul.so+0x14116f3)
INFO - GECKO(3477) | #16 mozilla::dom::ContentProcess::Init(int, char**) /builds/worker/checkouts/gecko/dom/ipc/ContentProcess.cpp:201:13 (libxul.so+0x453f6b2)
INFO - GECKO(3477) | #17 XRE_InitChildProcess(int, char**, XREChildData const*) /builds/worker/checkouts/gecko/toolkit/xre/nsEmbedFunctions.cpp:710:21 (libxul.so+0x65ea022)
INFO - GECKO(3477) | #18 mozilla::BootstrapImpl::XRE_InitChildProcess(int, char**, XREChildData const*) /builds/worker/checkouts/gecko/toolkit/xre/Bootstrap.cpp:67:12 (libxul.so+0x65f2152)
INFO - GECKO(3477) | #19 content_process_main /builds/worker/checkouts/gecko/browser/app/../../ipc/contentproc/plugin-container.cpp:56:28 (firefox+0xca0d7)
INFO - GECKO(3477) | #20 main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:303:18 (firefox+0xca0d7)
INFO - GECKO(3477) | SUMMARY: ThreadSanitizer: data race /builds/worker/checkouts/gecko/js/src/gc/Cell.h:136:37 in isForwarded
INFO - GECKO(3477) | ==================

Flags: needinfo?(jcoppeard)

Pulsebot

Comment 5

•

4 years ago

Pushed by jcoppeard@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/c2e54aca9d4e Compact ObjectGroups r=sfink,decoder

Cristian Brindusan [:cbrindusan]

Comment 6

•

4 years ago

bugherder

https://hg.mozilla.org/mozilla-central/rev/c2e54aca9d4e

Status: NEW → RESOLVED

Closed: 4 years ago

status-firefox81: --- → fixed

Resolution: --- → FIXED

Target Milestone: --- → 81 Branch

Jon Coppeard (:jonco) (PTO until 14th September)

Assignee

Updated

•

4 years ago

Flags: needinfo?(jcoppeard)

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Compact ObjectGroups

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