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report: add cpu info to report output #28188

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@boneskull boneskull commented Jun 12, 2019

The report shows CPU consumption %, but without
the number of CPU cores, a consumer cannot tell
if the percent (given across all cores) is
actually problematic. E.g., 100% on one CPU
is a problem, but 100% on four CPUs is not
necessarily (EDIT: the max theoretical usage is 400% in this case)

This change adds CPU information (similar to
os.cpus()) to the report output. Extra
info besides the count is also provided as
to avoid future breaking changes in the
eventuality that someone needs it;
changing the datatype of header.cpus
would be breaking.

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • documentation is changed or added
  • commit message follows commit guidelines

@boneskull boneskull added the report Issues and PRs related to process.report. label Jun 12, 2019
@nodejs-github-bot nodejs-github-bot added the c++ Issues and PRs that require attention from people who are familiar with C++. label Jun 12, 2019
@boneskull
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Ref: nodejs/diagnostics#307

doc/api/report.md Outdated Show resolved Hide resolved
@boneskull boneskull removed the request for review from cjihrig June 12, 2019 16:24
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@boneskull boneskull added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Jun 14, 2019
@boneskull boneskull self-assigned this Jun 14, 2019
The report shows CPU consumption %, but without the number of CPU cores,
a consumer cannot tell if the percent (given across all cores) is
actually problematic. E.g., 100% on one CPU is a problem, but 100% on
four CPUs is not necessarily.

This change adds CPU information (similar to `os.cpus()`) to the report
output. Extra info besides the count is also provided as to avoid future
breaking changes in the eventuality that someone needs it; changing the
datatype of `header.cpus` would be breaking.

PR-URL: nodejs#28188
Refs: nodejs/diagnostics#307
@boneskull
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Do I need to wait on CI fix to land this?

@Trott
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Trott commented Jun 16, 2019

Do I need to wait on CI fix to land this?

Yes. The tests need to run and pass on all the platforms.

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Trott pushed a commit to Trott/io.js that referenced this pull request Jun 16, 2019
The report shows CPU consumption %, but without the number of CPU cores,
a consumer cannot tell if the percent (given across all cores) is
actually problematic. E.g., 100% on one CPU is a problem, but 100% on
four CPUs is not necessarily.

This change adds CPU information (similar to `os.cpus()`) to the report
output. Extra info besides the count is also provided as to avoid future
breaking changes in the eventuality that someone needs it; changing the
datatype of `header.cpus` would be breaking.

PR-URL: nodejs#28188
Refs: nodejs/diagnostics#307
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
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Trott commented Jun 16, 2019

Landed in 7561a38

@Trott Trott closed this Jun 16, 2019
BridgeAR pushed a commit that referenced this pull request Jun 17, 2019
The report shows CPU consumption %, but without the number of CPU cores,
a consumer cannot tell if the percent (given across all cores) is
actually problematic. E.g., 100% on one CPU is a problem, but 100% on
four CPUs is not necessarily.

This change adds CPU information (similar to `os.cpus()`) to the report
output. Extra info besides the count is also provided as to avoid future
breaking changes in the eventuality that someone needs it; changing the
datatype of `header.cpus` would be breaking.

PR-URL: #28188
Refs: nodejs/diagnostics#307
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@BridgeAR BridgeAR mentioned this pull request Jun 17, 2019
targos pushed a commit that referenced this pull request Jun 18, 2019
The report shows CPU consumption %, but without the number of CPU cores,
a consumer cannot tell if the percent (given across all cores) is
actually problematic. E.g., 100% on one CPU is a problem, but 100% on
four CPUs is not necessarily.

This change adds CPU information (similar to `os.cpus()`) to the report
output. Extra info besides the count is also provided as to avoid future
breaking changes in the eventuality that someone needs it; changing the
datatype of `header.cpus` would be breaking.

PR-URL: #28188
Refs: nodejs/diagnostics#307
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@BridgeAR
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This should probably be semver-minor?

@BridgeAR BridgeAR added the semver-minor PRs that contain new features and should be released in the next minor version. label Jun 20, 2019
@cjihrig
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cjihrig commented Jun 20, 2019

The report feature is still experimental, and does not follow semver.

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@cjihrig thanks!

@BridgeAR BridgeAR removed the semver-minor PRs that contain new features and should be released in the next minor version. label Jun 20, 2019
BridgeAR added a commit that referenced this pull request Jun 26, 2019
Notable changes:

This release contains `semver-major` commits. These are in fact not
`semver-major` due to follow-up commits that remove all breaking changes.

* build:
  * The startup time is reduced by enabling V8 snapshots by default
    #28181
* deps:
  * Updated `V8` to 7.5.288.22 #27375
    * The numeric separator (v8.dev/features/numeric-separators) feature is now
      enabled by default
  * Updated `OpenSSL` to 1.1.1c #28211
* inspector:
  * The `--inspect-publish-uid` flag was added to specify ways of the inspector
    web socket url exposure #27741
* n-api:
  * Accessors on napi_define_* are now ECMAScript-compliant
    #27851
* report:
  * The cpu info got added to the report output
    #28188
* src:
  * Restore the original state of the stdio file descriptors on exit to prevent
    leaving stdio in raw or non-blocking mode
    #24260
* tools,gyp:
  * Introduce MSVS 2019 #27375
* util:
  * inspect:
    * Array grouping became more compact and uses more columns than before
      #28059
      #28070
    * Long strings will not be split at 80 characters anymore. Instead they will
      be split on new lines #28055
* worker:
  * `worker.terminate()` now returns a promise and using the callback is
    deprecated #28021

PR-URL: #28268
BridgeAR added a commit that referenced this pull request Jun 26, 2019
Notable changes:

* build:
  * The startup time is reduced by enabling V8 snapshots by default
    #28181
* deps:
  * Updated `V8` to 7.5.288.22 #27375
    * The numeric separator (v8.dev/features/numeric-separators) feature is now
      enabled by default
  * Updated `OpenSSL` to 1.1.1c #28211
* inspector:
  * The `--inspect-publish-uid` flag was added to specify ways of the inspector
    web socket url exposure #27741
* n-api:
  * Accessors on napi_define_* are now ECMAScript-compliant
    #27851
* report:
  * The cpu info got added to the report output
    #28188
* src:
  * Restore the original state of the stdio file descriptors on exit to prevent
    leaving stdio in raw or non-blocking mode
    #24260
* tools,gyp:
  * Introduce MSVS 2019 #27375
* util:
  * inspect:
    * Array grouping became more compact and uses more columns than before
      #28059
      #28070
    * Long strings will not be split at 80 characters anymore. Instead they will
      be split on new lines #28055
* worker:
  * `worker.terminate()` now returns a promise and using the callback is
    deprecated #28021

PR-URL: #28268
BridgeAR added a commit that referenced this pull request Jun 26, 2019
Notable changes:

* build:
  * The startup time is reduced by enabling V8 snapshots by default
    #28181
* deps:
  * Updated `V8` to 7.5.288.22 #27375
    * The numeric separator (v8.dev/features/numeric-separators) feature is now
      enabled by default
  * Updated `OpenSSL` to 1.1.1c #28211
* inspector:
  * The `--inspect-publish-uid` flag was added to specify ways of the inspector
    web socket url exposure #27741
* n-api:
  * Accessors on napi_define_* are now ECMAScript-compliant
    #27851
* report:
  * The cpu info got added to the report output
    #28188
* src:
  * Restore the original state of the stdio file descriptors on exit to prevent
    leaving stdio in raw or non-blocking mode
    #24260
* tools,gyp:
  * Introduce MSVS 2019 #27375
* util:
  * inspect:
    * Array grouping became more compact and uses more columns than before
      #28059
      #28070
    * Long strings will not be split at 80 characters anymore. Instead they will
      be split on new lines #28055
* worker:
  * `worker.terminate()` now returns a promise and using the callback is
    deprecated #28021

PR-URL: #28268
BridgeAR added a commit that referenced this pull request Jun 27, 2019
Notable changes:

* build:
  * The startup time is reduced by enabling V8 snapshots by default
    #28181
* deps:
  * Updated `V8` to 7.5.288.22 #27375
    * The numeric separator (v8.dev/features/numeric-separators) feature is now
      enabled by default
  * Updated `OpenSSL` to 1.1.1c #28211
* inspector:
  * The `--inspect-publish-uid` flag was added to specify ways of the inspector
    web socket url exposure #27741
* n-api:
  * Accessors on napi_define_* are now ECMAScript-compliant
    #27851
* report:
  * The cpu info got added to the report output
    #28188
* src:
  * Restore the original state of the stdio file descriptors on exit to prevent
    leaving stdio in raw or non-blocking mode
    #24260
* tools,gyp:
  * Introduce MSVS 2019 #27375
* util:
  * inspect:
    * Array grouping became more compact and uses more columns than before
      #28059
      #28070
    * Long strings will not be split at 80 characters anymore. Instead they will
      be split on new lines #28055
* worker:
  * `worker.terminate()` now returns a promise and using the callback is
    deprecated #28021

PR-URL: #28268
BridgeAR added a commit to BridgeAR/node that referenced this pull request Jun 27, 2019
Notable changes:

* build:
  * The startup time is reduced by enabling V8 snapshots by default
    nodejs#28181
* deps:
  * Updated `V8` to 7.5.288.22 nodejs#27375
    * The numeric separator (v8.dev/features/numeric-separators) feature is now
      enabled by default
  * Updated `OpenSSL` to 1.1.1c nodejs#28211
* inspector:
  * The `--inspect-publish-uid` flag was added to specify ways of the inspector
    web socket url exposure nodejs#27741
* n-api:
  * Accessors on napi_define_* are now ECMAScript-compliant
    nodejs#27851
* report:
  * The cpu info got added to the report output
    nodejs#28188
* src:
  * Restore the original state of the stdio file descriptors on exit to prevent
    leaving stdio in raw or non-blocking mode
    nodejs#24260
* tools,gyp:
  * Introduce MSVS 2019 nodejs#27375
* util:
  * inspect:
    * Array grouping became more compact and uses more columns than before
      nodejs#28059
      nodejs#28070
    * Long strings will not be split at 80 characters anymore. Instead they will
      be split on new lines nodejs#28055
* worker:
  * `worker.terminate()` now returns a promise and using the callback is
    deprecated nodejs#28021

PR-URL: nodejs#28268
@boneskull boneskull deleted the process-report-cpus branch November 14, 2019 21:11
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