Commits on Mar 17, 2021

1. v8: implement v8.takeCoverage() …

   Add an v8.takeCoverage() API that allows the user to write the
   coverage started by NODE_V8_COVERAGE to disk on demand.
   The coverage can be written multiple times during the lifetime
   of the process, each time the execution counter will be reset.
   When the process is about to exit, one last coverage will
   still be written to disk.
   
   Also refactors the internal profiler connection code
   so that we use the inspector response id to identify
   the profile response instead of using an ad-hoc flag in C++.
   
   PR-URL: nodejs#33807
   Backport-PR-URL: nodejs#36352
   Reviewed-By: Anna Henningsen <anna@addaleax.net>
   Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
   Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
   Reviewed-By: Ben Coe <bencoe@gmail.com>

   

   joyeecheung authored and richardlau committed Mar 17, 2021
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2. v8: implement v8.stopCoverage() …

   Add a v8.stopCoverage() API to stop the coverage collection
   started by NODE_V8_COVERAGE - this would be useful in
   conjunction with v8.takeCoverage() if the user don't want
   to emit the coverage at the process exit but still want
   to collect it on demand at some point.
   
   PR-URL: nodejs#33807
   Backport-PR-URL: nodejs#36352
   Reviewed-By: Anna Henningsen <anna@addaleax.net>
   Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
   Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
   Reviewed-By: Ben Coe <bencoe@gmail.com>

   

   joyeecheung authored and richardlau committed Mar 17, 2021
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