deps: cherry-pick aa6ce3e from upstream V8 #21126

mmarchini · 2018-06-04T17:05:25Z

Original commit message:

[log][api] introduce public CodeEventListener API

Introduce a new public API called CodeEventListener to allow embedders
to better support external profilers and other diagnostic tools without
relying on unsupported methods like --perf-basic-prof.

Bug: v8:7694
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I063cc965394d59401358757634c9ea84c11517e9
Co-authored-by: Daniel Beckert <daniel@sthima.com.br>
Reviewed-on: chromium-review.googlesource.com/1028770
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53382}

Refs: v8/v8@aa6ce3e

Checklist

make -j4 test (UNIX), or vcbuild test (Windows) passes
commit message follows commit guidelines

mmarchini · 2018-06-04T17:44:25Z

CI: https://ci.nodejs.org/job/node-test-pull-request/15251/
V8 CI: https://ci.nodejs.org/job/node-test-commit-v8-linux/1401/

mmarchini · 2018-06-04T17:48:34Z

cc @nodejs/diagnostics

targos · 2018-06-04T18:25:09Z

The fixup isn't upstream?

mmarchini · 2018-06-04T18:36:21Z

The fixup isn't upstream?

The patch didn't build because the Address typedef is different between V8 6.7 and V8 6.8 (see https://chromium-review.googlesource.com/c/v8/v8/+/988657). I can try to float https://chromium-review.googlesource.com/c/v8/v8/+/988657 as well instead of changing the Patch to work on V8 6.7.

targos · 2018-06-04T18:43:09Z

I can try to float chromium-review.googlesource.com/c/v8/v8/+/988657 as well instead of changing the Patch to work on V8 6.7.

It's a big patch. I prefer we stick with your fix.

mmarchini · 2018-06-04T18:49:07Z

Floating https://chromium-review.googlesource.com/c/v8/v8/+/988657 is non-trivial :(

Error: Command failed: git apply -3 --directory=deps/v8
error: patch failed: deps/v8/src/compiler/wasm-compiler.cc:2619
error: repository lacks the necessary blob to fall back on 3-way merge.
error: deps/v8/src/compiler/wasm-compiler.cc: patch does not apply
error: patch failed: deps/v8/src/log.cc:309
Falling back to three-way merge...
Applied patch to 'deps/v8/src/log.cc' cleanly.
error: patch failed: deps/v8/src/profiler/profile-generator.h:47
error: repository lacks the necessary blob to fall back on 3-way merge.
error: deps/v8/src/profiler/profile-generator.h: patch does not apply
error: patch failed: deps/v8/src/profiler/profiler-listener.h:59
error: repository lacks the necessary blob to fall back on 3-way merge.
error: deps/v8/src/profiler/profiler-listener.h: patch does not apply
error: patch failed: deps/v8/test/cctest/test-code-stubs-arm.cc:53
error: repository lacks the necessary blob to fall back on 3-way merge.
error: deps/v8/test/cctest/test-code-stubs-arm.cc: patch does not apply
error: patch failed: deps/v8/test/cctest/test-code-stubs-arm64.cc:54
error: repository lacks the necessary blob to fall back on 3-way merge.
error: deps/v8/test/cctest/test-code-stubs-arm64.cc: patch does not apply
error: patch failed: deps/v8/test/cctest/test-code-stubs-ia32.cc:54
error: repository lacks the necessary blob to fall back on 3-way merge.
error: deps/v8/test/cctest/test-code-stubs-ia32.cc: patch does not apply
error: patch failed: deps/v8/test/cctest/test-code-stubs-mips.cc:55
error: repository lacks the necessary blob to fall back on 3-way merge.
error: deps/v8/test/cctest/test-code-stubs-mips.cc: patch does not apply
error: patch failed: deps/v8/test/cctest/test-code-stubs-mips64.cc:55
error: repository lacks the necessary blob to fall back on 3-way merge.
error: deps/v8/test/cctest/test-code-stubs-mips64.cc: patch does not apply
error: patch failed: deps/v8/test/cctest/test-code-stubs-x64.cc:54
error: repository lacks the necessary blob to fall back on 3-way merge.
error: deps/v8/test/cctest/test-code-stubs-x64.cc: patch does not apply

For context: this API will allow users to generate the map file required by Linux perf during runtime. Today the file is generated by --perf-basic-prof, which will keep writing to the file during the entire application lifetime, leading to file growth problems. Sice V8 6.7 fixed Linux perf for Interpreted Functions, it would be really nice to also have this API when V8 6.7 lands on Node.js v10.x.

hashseed · 2018-06-05T04:32:28Z

Yeah let's not float the Address patch.

mmarchini · 2018-06-11T16:39:12Z

CI: https://ci.nodejs.org/job/node-test-pull-request/15393/
~~V8 CI: https://ci.nodejs.org/job/node-test-commit-v8-linux/1415/~~
V8 CI rerun: https://ci.nodejs.org/job/node-test-commit-v8-linux/1416/

mmarchini · 2018-06-11T16:41:30Z

Cherry-picking one more commit here (v8/v8@b20faff) to fix a bug when using this API with --interpreted-frames-native-stack on. If there are no objections I'd like to land this tomorrow.

/cc @nodejs/diagnostics @nodejs/v8-update

targos · 2018-06-11T16:54:03Z

There is an issue with the v8 ci. Can you try to run it again?

mmarchini · 2018-06-11T16:55:36Z

V8 CI rerun: https://ci.nodejs.org/job/node-test-commit-v8-linux/1416/

mhdawson

LGTM

mmarchini · 2018-06-12T18:06:12Z

Blocking due to another bug found in the API.

Waiting for upstream fix to land: https://chromium-review.googlesource.com/c/v8/v8/+/1097578

mmarchini · 2018-06-18T20:38:30Z

CI: https://ci.nodejs.org/job/node-test-pull-request/15514/
V8 CI: https://ci.nodejs.org/job/node-test-commit-v8-linux/1441/

mmarchini · 2018-06-21T15:53:35Z

@targos should I squash the fixup when landing, or sould I keep it as a separate commit?

targos · 2018-06-21T16:09:23Z

Squash please and write "backport" instead of cherry-pick in the commit message

mmarchini · 2018-06-21T22:45:48Z

CI: https://ci.nodejs.org/job/node-test-pull-request/15557/
V8 CI: https://ci.nodejs.org/job/node-test-commit-v8-linux/1474/

Original commit message: [log][api] introduce public CodeEventListener API Introduce a new public API called CodeEventListener to allow embedders to better support external profilers and other diagnostic tools without relying on unsupported methods like --perf-basic-prof. Bug: v8:7694 Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: I063cc965394d59401358757634c9ea84c11517e9 Co-authored-by: Daniel Beckert <daniel@sthima.com.br> Reviewed-on: https://chromium-review.googlesource.com/1028770 Commit-Queue: Yang Guo <yangguo@chromium.org> Reviewed-by: Hannes Payer <hpayer@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{nodejs#53382} Refs: v8/v8@aa6ce3e PR-URL: nodejs#21126 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log] fix ExistingCodeLogger behavior on edge case ExistingCodeLogger was behaving incorrectly when the CodeEventHandler API was used in combination with --interpreted-frames-native-stack. Instead of collecting copied trampolines as InterpretedFunction:functionName, they were being collected as Builtin:IntepreterEntryTrampolines. This patch adds special handling for copied trampolines when using ExistingCodeLogger. R=yangguo@google.com Change-Id: I3ee4be03800122d28d53b51b20c60dcf6263e4c1 Reviewed-on: https://chromium-review.googlesource.com/1087813 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#53624} Refs: v8/v8@b20faff PR-URL: nodejs#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log] fix boolean logic on LogCodeObject R=yangguo@google.com Change-Id: Icb4825344991e5b2d15050e037064c60eeb9617e Reviewed-on: https://chromium-review.googlesource.com/1097578 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{nodejs#53777} Refs: v8/v8@acc336c PR-URL: nodejs#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log][api] Fix GCC 4.9 build failure GCC 4.9 used on some Node.js CI machines complains when the control reaches the end of a non-void function and no return is encountered. R=bmeurer@google.com, ofrobots@google.com, yangguo@google.com Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: I5af0192cb187eccbf34dbb60ff3ac2e4774af803 Reviewed-on: https://chromium-review.googlesource.com/1105619 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{nodejs#53861} Refs: v8/v8@70c4340 PR-URL: nodejs#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log] fix ExistingCodeLogger behavior on edge case ExistingCodeLogger was behaving incorrectly when the CodeEventHandler API was used in combination with --interpreted-frames-native-stack. Instead of collecting copied trampolines as InterpretedFunction:functionName, they were being collected as Builtin:IntepreterEntryTrampolines. This patch adds special handling for copied trampolines when using ExistingCodeLogger. R=yangguo@google.com Change-Id: I3ee4be03800122d28d53b51b20c60dcf6263e4c1 Reviewed-on: https://chromium-review.googlesource.com/1087813 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#53624} Refs: v8/v8@b20faff PR-URL: nodejs#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log] fix boolean logic on LogCodeObject R=yangguo@google.com Change-Id: Icb4825344991e5b2d15050e037064c60eeb9617e Reviewed-on: https://chromium-review.googlesource.com/1097578 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{nodejs#53777} Refs: v8/v8@acc336c PR-URL: nodejs#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log][api] Fix GCC 4.9 build failure GCC 4.9 used on some Node.js CI machines complains when the control reaches the end of a non-void function and no return is encountered. R=bmeurer@google.com, ofrobots@google.com, yangguo@google.com Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: I5af0192cb187eccbf34dbb60ff3ac2e4774af803 Reviewed-on: https://chromium-review.googlesource.com/1105619 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{nodejs#53861} Refs: v8/v8@70c4340 PR-URL: nodejs#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log] fix ExistingCodeLogger behavior on edge case ExistingCodeLogger was behaving incorrectly when the CodeEventHandler API was used in combination with --interpreted-frames-native-stack. Instead of collecting copied trampolines as InterpretedFunction:functionName, they were being collected as Builtin:IntepreterEntryTrampolines. This patch adds special handling for copied trampolines when using ExistingCodeLogger. R=yangguo@google.com Change-Id: I3ee4be03800122d28d53b51b20c60dcf6263e4c1 Reviewed-on: https://chromium-review.googlesource.com/1087813 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#53624} Refs: v8/v8@b20faff PR-URL: nodejs#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log] fix boolean logic on LogCodeObject R=yangguo@google.com Change-Id: Icb4825344991e5b2d15050e037064c60eeb9617e Reviewed-on: https://chromium-review.googlesource.com/1097578 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{nodejs#53777} Refs: v8/v8@acc336c PR-URL: nodejs#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log][api] Fix GCC 4.9 build failure GCC 4.9 used on some Node.js CI machines complains when the control reaches the end of a non-void function and no return is encountered. R=bmeurer@google.com, ofrobots@google.com, yangguo@google.com Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: I5af0192cb187eccbf34dbb60ff3ac2e4774af803 Reviewed-on: https://chromium-review.googlesource.com/1105619 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{nodejs#53861} Refs: v8/v8@70c4340 PR-URL: nodejs#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log] fix ExistingCodeLogger behavior on edge case ExistingCodeLogger was behaving incorrectly when the CodeEventHandler API was used in combination with --interpreted-frames-native-stack. Instead of collecting copied trampolines as InterpretedFunction:functionName, they were being collected as Builtin:IntepreterEntryTrampolines. This patch adds special handling for copied trampolines when using ExistingCodeLogger. R=yangguo@google.com Change-Id: I3ee4be03800122d28d53b51b20c60dcf6263e4c1 Reviewed-on: https://chromium-review.googlesource.com/1087813 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#53624} Refs: v8/v8@b20faff Backport-PR-URL: #21668 PR-URL: #21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log] fix boolean logic on LogCodeObject R=yangguo@google.com Change-Id: Icb4825344991e5b2d15050e037064c60eeb9617e Reviewed-on: https://chromium-review.googlesource.com/1097578 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#53777} Refs: v8/v8@acc336c Backport-PR-URL: #21668 PR-URL: #21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log][api] Fix GCC 4.9 build failure GCC 4.9 used on some Node.js CI machines complains when the control reaches the end of a non-void function and no return is encountered. R=bmeurer@google.com, ofrobots@google.com, yangguo@google.com Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: I5af0192cb187eccbf34dbb60ff3ac2e4774af803 Reviewed-on: https://chromium-review.googlesource.com/1105619 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#53861} Refs: v8/v8@70c4340 Backport-PR-URL: #21668 PR-URL: #21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log] fix ExistingCodeLogger behavior on edge case ExistingCodeLogger was behaving incorrectly when the CodeEventHandler API was used in combination with --interpreted-frames-native-stack. Instead of collecting copied trampolines as InterpretedFunction:functionName, they were being collected as Builtin:IntepreterEntryTrampolines. This patch adds special handling for copied trampolines when using ExistingCodeLogger. R=yangguo@google.com Change-Id: I3ee4be03800122d28d53b51b20c60dcf6263e4c1 Reviewed-on: https://chromium-review.googlesource.com/1087813 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#53624} Refs: v8/v8@b20faff Backport-PR-URL: nodejs/node#21668 PR-URL: nodejs/node#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log] fix boolean logic on LogCodeObject R=yangguo@google.com Change-Id: Icb4825344991e5b2d15050e037064c60eeb9617e Reviewed-on: https://chromium-review.googlesource.com/1097578 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#53777} Refs: v8/v8@acc336c Backport-PR-URL: nodejs/node#21668 PR-URL: nodejs/node#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

Original commit message: [log][api] Fix GCC 4.9 build failure GCC 4.9 used on some Node.js CI machines complains when the control reaches the end of a non-void function and no return is encountered. R=bmeurer@google.com, ofrobots@google.com, yangguo@google.com Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: I5af0192cb187eccbf34dbb60ff3ac2e4774af803 Reviewed-on: https://chromium-review.googlesource.com/1105619 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#53861} Refs: v8/v8@70c4340 Backport-PR-URL: nodejs/node#21668 PR-URL: nodejs/node#21126 Refs: v8/v8@aa6ce3e Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>

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Node.js Foundation Diagnostics WorkGroup Meeting 2018-06-13 nodejs/diagnostics#204

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Release proposal: v10.9.0 #22295

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