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Coverity reported some calls that had no effect,
remove them
Signed-off-by: Michael Dawson <mdawson@devrus.com>
PR-URL: https://github.com/nodejs/node/pull/41579
Reviewed-By: Yash Ladha <yash@yashladha.in>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
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* The createHistogram(options) options weren't actually implemented
* Add a new count property that tracks the number of samples
* Adds BigInt options for relevant properties
* Adds add(other) method for RecordableHistogram
* Cleans up and expands tests
* Eliminates unnecessary ELDHistogram native class
* Improve/Simplify histogram transfer impl
Signed-off-by: James M Snell <jasnell@gmail.com>
perf_hooks: simplify Histogram constructor options
Signed-off-by: James M Snell <jasnell@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/41153
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
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PR-URL: https://github.com/nodejs/node/pull/38971
Refs: https://github.com/nodejs/node/issues/35711
Reviewed-By: James M Snell <jasnell@gmail.com>
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Adds a new `perf_hooks.createHistogram()` API for creating histogram
instances that allow user recording.
Makes Histogram instances cloneable via MessagePort. This allows, for
instance, an event loop delay monitor to be running on the main thread
while the histogram data can be monitored actively from a worker thread.
Signed-off-by: James M Snell <jasnell@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/37155
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
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Separating this out from the QUIC PR to allow it to be separately
reviewed. The QUIC implementation makes use of the hdr_histogram
for dynamic performance monitoring. This introduces a BaseObject
class that allows the internal histograms to be accessed on the
JavaScript side and adds a generic Histogram class that will be
used by both QUIC and perf_hooks (for the event loop delay
monitoring).
Signed-off-by: James M Snell <jasnell@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/31988
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
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