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Author SHA1 Message Date
vmarchaud
0ebf01dc53
perf_hooks: add HttpRequest statistics monitoring #28445 
```js
const { PerformanceObserver, performance } = require('perf_hooks');
const http = require('http');

const obs = new PerformanceObserver((items) => {
  const entry = items.getEntries()[0];
  console.log(entry.name, entry.duration);
});
obs.observe({ entryTypes: ['http'] });

const server = http.Server(function(req, res) {
  server.close();
  res.writeHead(200);
  res.end('hello world\n');
});

server.listen(0, function() {
  const req = http.request({
    port: this.address().port,
    path: '/',
    method: 'POST'
  }).end();
});
```

PR-URL: https://github.com/nodejs/node/pull/28486
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
 2019-07-12 00:36:27 +02:00
Jan Krems
ca0884a60b
doc: mention unit for event loop delay measurements 
PR-URL: https://github.com/nodejs/node/pull/28629
Reviewed-By: Ben Coe <bencoe@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
 2019-07-11 22:08:59 +02:00
Yuriy Vasiyarov
7334aaf2ea doc: document PerformanceNodeTiming.environment field 
PR-URL: https://github.com/nodejs/node/pull/28280
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
 2019-06-21 04:07:54 -06:00
Ruben Bridgewater
f8763bb077
benchmark,doc,lib,test: capitalize comments 
PR-URL: https://github.com/nodejs/node/pull/26483
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
 2019-03-10 00:44:40 +01:00
Michaël Zasso
82ee0ff1b8
2018-02-14, Version 11.10.0 (Current) 
Notable changes:

deps:
  * Updated libuv to 1.26.0.
  * Updated npm to 6.7.0.
http, http2:
  * `response.writeHead` now returns the response object.
perf_hooks:
  * Implemented a histogram based API.
process:
  * Exposed `process.features.inspector`.
repl:
  * Added `repl.setupHistory` for programmatic repl.
tls:
  * Introduced client "session" event.

PR-URL: https://github.com/nodejs/node/pull/26098
 2019-02-14 23:55:48 +01:00
Vse Mozhet Byt
0a4c69a5c5 doc: fix some nits in perf_hooks 
PR-URL: https://github.com/nodejs/node/pull/26022
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
 2019-02-12 05:14:57 +02:00
James M Snell
bcdd228f90
perf_hooks: implement histogram based api 
Add a sampling-based event loop delay monitor.

```js
const { monitorEventLoopDelay } = require('perf_hooks');

const h = monitorEventLoopDelay();

h.enable();

h.disable();

console.log(h.percentiles);
console.log(h.min);
console.log(h.max);
console.log(h.mean);
console.log(h.stddev);
console.log(h.percentile(50));
```

PR-URL: https://github.com/nodejs/node/pull/25378
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
 2019-02-08 09:20:18 -08:00
Ruben Bridgewater
50dd555910
doc,lib,test: capitalize comment sentences 
This activates the eslint capitalize comment rule for comments
above 50 characters.

PR-URL: https://github.com/nodejs/node/pull/24996
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
 2018-12-17 17:14:35 +01:00
James M Snell
b55f6a0f01 perf_hooks: remove less useful bootstrap marks 
While `perf_hooks` is still in experimental, remove less useful
bootstrap milestones.

PR-URL: https://github.com/nodejs/node/pull/21247
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
 2018-06-15 09:05:19 -07:00
Vse Mozhet Byt
a3bd06a5e6 doc: remove redundant empty lines 
PR-URL: https://github.com/nodejs/node/pull/20398
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
 2018-04-29 17:48:43 +03:00
Vse Mozhet Byt
715d7f31b3 doc: unify section structures 
PR-URL: https://github.com/nodejs/node/pull/20028
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
 2018-04-15 02:37:50 +03:00
Vse Mozhet Byt
dff214153f doc: specify definite Array types 
Replace `{Array}` with `{type[]}`.

PR-URL: https://github.com/nodejs/node/pull/19895
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
 2018-04-09 17:04:48 +03:00
Vse Mozhet Byt
237cbe10fb doc,tools: formalize, unify, codify default values 
PR-URL: https://github.com/nodejs/node/pull/19737
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
 2018-04-04 12:30:36 +03:00
James M Snell
2ec6995555 perf_hooks: simplify perf_hooks 
Remove the `performance.getEntries()` and `performance.clear*()`
variants and eliminate the accumulation of the global timeline
entries. The design of this particular bit of the API is a memory
leak and performance footgun. The `PerformanceObserver` API is
a better approach to consuming the data in a more transient way.

PR-URL: https://github.com/nodejs/node/pull/19563
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
 2018-04-03 13:57:41 -07:00
Yuta Hiroto
9125479be9 doc: add http2 to performanceEntry.entryType 
add `http2` to performanceEntry.entryType in perf_hooks

PR-URL: https://github.com/nodejs/node/pull/19584
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
 2018-03-25 10:17:42 -07:00
Timothy Gu
9256dbb611 perf_hooks: fix timing 
Fixes: https://github.com/nodejs/node/issues/17892
Fixes: https://github.com/nodejs/node/issues/17893
Fixes: https://github.com/nodejs/node/issues/18992

PR-URL: https://github.com/nodejs/node/pull/18993
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
 2018-03-06 07:50:01 -08:00
James M Snell
9e509b622b perf_hooks: emit trace events for marks, measures, and timerify 
Adds the `node.perf.usertiming` trace events category for recording
usertiming marks and measures (e.g. `perf_hooks.performance.mark()`)
in the trace events timeline.

Adds the `node.perf.function` trace events category for recording
`perf_hooks.performance.timerify()` durations in the trace events
timeline.

PR-URL: https://github.com/nodejs/node/pull/18789
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
 2018-02-26 13:55:33 -08:00
Myles Borins
945eb1bb69
2018-02-22, Version 9.6.0 (Current) 
Notable changes:

* async_hooks:
  - deprecate unsafe emit{Before,After} (Ali Ijaz Sheikh)
    https://github.com/nodejs/node/pull/18513
  - rename PromiseWrap.parentId to PromiseWrap.isChainedPromise
    (Ali Ijaz Sheikh) https://github.com/nodejs/node/pull/18633
* deps:
  - update node-inspect to 1.11.3 (Jan Krems)
    https://github.com/nodejs/node/pull/18354
  - ICU 60.2 bump (Steven R. Loomis)
    https://github.com/nodejs/node/pull/17687
  - Introduce ScriptOrModule and HostDefinedOptions to V8 (Jan Krems)
    https://github.com/nodejs/node/pull/16889
* http:
  - add options to http.createServer() for `IncomingMessage` and
    `ServerReponse` (Peter Marton)
    https://github.com/nodejs/node/pull/15752
* http2:
  - add http fallback options to .createServer (Peter Marton)
    https://github.com/nodejs/node/pull/15752
* https:
  - Adds the remaining options from tls.createSecureContext() to the
    string generated by Agent#getName(). This allows https.request()
    to accept the options and generate unique sockets appropriately.
    (Jeff Principe)
    https://github.com/nodejs/node/pull/16402
* inspector:
  - --inspect-brk for es modules (Guy Bedford)
    https://github.com/nodejs/node/pull/18194
* lib:
  - allow process kill by signal number (Sam Roberts)
    https://github.com/nodejs/node/pull/16944
* module:
  - enable dynamic import (Myles Borins)
    https://github.com/nodejs/node/pull/18387
  - dynamic import is now supported (Jan Krems)
    https://github.com/nodejs/node/pull/15713
* napi:
  - add methods to open/close callback scope (Michael Dawson)
    https://github.com/nodejs/node/pull/18089
* src:
  - allow --perf-(basic-)?prof in NODE_OPTIONS (Leko)
    https://github.com/nodejs/node/pull/17600
* vm:
  - add support for es modules (Gus Caplan)
    https://github.com/nodejs/node/pull/17560

PR-URL: https://github.com/nodejs/node/pull/18902
 2018-02-22 12:02:49 -05:00
Evan Lucas
83d0f4c92b 2018-01-31, Version 9.5.0 (Current) 
Notable changes:

* cluster
  - add cwd to cluster.settings (cjihrig) [#18399](https://github.com/nodejs/node/pull/18399)
* deps
  - upgrade libuv to 1.19.1 (cjihrig) [#18260](https://github.com/nodejs/node/pull/18260)
* meta
  - add Leko to collaborators (Leko) [#18117](https://github.com/nodejs/node/pull/18117)
  - add vdeturckheim as collaborator (vdeturckheim) [#18432](https://github.com/nodejs/node/pull/18432)
* n-api
  - expose n-api version in process.versions (Michael Dawson) [#18067](https://github.com/nodejs/node/pull/18067)
* perf_hooks
  - add performance.clear() (James M Snell) [#18046](https://github.com/nodejs/node/pull/18046)
* stream
  - avoid writeAfterEnd() while ending (陈刚) [#18170](https://github.com/nodejs/node/pull/18170)

PR-URL: https://github.com/nodejs/node/pull/18464
 2018-01-31 18:06:32 -06:00
James M Snell
6bcd31f2f4 perf_hooks: add warning when too many entries in the timeline 
PR-URL: https://github.com/nodejs/node/pull/18087
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
 2018-01-31 15:24:58 -08:00
Antony Tran
d8263a0677 doc: add doc for performance.clearGC() 
PR-URL: https://github.com/nodejs/node/pull/18331
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Khaidi Chu <i@2333.moe>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
 2018-01-24 13:39:57 +02:00
James M Snell
20fe04f113 perf_hooks,http2: add performance.clear() 
Add missing clear() method to `perf_hooks.performance` to
remove the entries from the master timeline to prevent
that from being a memory leak.

PR-URL: https://github.com/nodejs/node/pull/18046
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
 2018-01-11 10:41:49 -08:00
Tobias Nießen
d74a1ed7d9
doc: remove duplicate words in API docs 
PR-URL: https://github.com/nodejs/node/pull/17937
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
 2018-01-02 00:13:02 +01:00
Luigi Pinca
97ba69f915 doc: add missing introduced_in comments 
Add missing "introduced_in" comments for alternative version links.

PR-URL: https://github.com/nodejs/node/pull/16741
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
 2017-11-19 18:10:05 +01:00
Sam Roberts
dd83b5f2ac perf_hooks: remove docs for unimplemented API 
The node frame (aka loop) timing API did not land, it depends on
https://github.com/libuv/libuv/pull/1489 which is still a WIP.

See: https://github.com/nodejs/node/pull/14680#discussion_r140605664

PR-URL: https://github.com/nodejs/node/pull/15641
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
 2017-09-29 09:38:48 -07:00
Mani Maghsoudlou
049a8d7c1d
doc: fix entryTypes type and missing link 
PR-URL: https://github.com/nodejs/node/pull/15406
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
 2017-09-19 16:36:30 -03:00
Myles Borins
a10856a7d3
2017-09-12, Version 8.5.0 (Current) 
Notable Changes

* build:
  * Snapshots are now re-enabled in V8
  https://github.com/nodejs/node/pull/14875

* console:
  * Implement minimal `console.group()`.
  https://github.com/nodejs/node/pull/14910

* deps:
  * upgrade libuv to 1.14.1
    https://github.com/nodejs/node/pull/14866
  * update nghttp2 to v1.25.0
    https://github.com/nodejs/node/pull/14955

* dns:
  * Add `verbatim` option to dns.lookup(). When true, results from the
    DNS resolver are passed on as-is, without the reshuffling that
    Node.js otherwise does that puts IPv4 addresses before IPv6
    addresses.
    https://github.com/nodejs/node/pull/14731

* fs:
  * add fs.copyFile and fs.copyFileSync which allows for more efficient
    copying of files.
    https://github.com/nodejs/node/pull/15034

* inspector:
  * Enable async stack traces
    https://github.com/nodejs/node/pull/13870

* module:
  * Add support for ESM. This is currently behind the
    `--experimental-modules` flag and requires the .mjs extension.
    `node --experimental-modules index.mjs`
    https://github.com/nodejs/node/pull/14369

* napi:
  * implement promise
    https://github.com/nodejs/node/pull/14365

* os:
  * Add support for CIDR notation to the output of the
    networkInterfaces() method.
    https://github.com/nodejs/node/pull/14307

* perf_hooks:
  * An initial implementation of the Performance Timing API for
    Node.js. This is the same Performance Timing API implemented by
    modern browsers with a number of Node.js specific properties. The
    User Timing mark() and measure() APIs are implemented, as is a
    Node.js specific flavor of the Frame Timing for measuring event
    loop duration.
    https://github.com/nodejs/node/pull/14680

* tls:
  * multiple PFX in createSecureContext
    [#14793](https://github.com/nodejs/node/pull/14793)

* Added new collaborators:
  * BridgeAR – Ruben Bridgewater

PR-URL: https://github.com/nodejs/node/pull/15308
 2017-09-12 17:34:51 +02:00
Anna Henningsen
dd52cad044 doc,lib,src,test: strip executable bits off files 
Remove the executable bits of the file modes of some files that
accidentally received it.

PR-URL: https://github.com/nodejs/node/pull/15132
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
 2017-09-01 10:09:41 -07:00
James M Snell
6db825ae82 perf_hooks: mark as experimental 
PR-URL: https://github.com/nodejs/node/pull/14997
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
 2017-08-25 16:04:21 -07:00
James M Snell
67269fd7f3 perf_hooks: implementation of the perf timing API 
An initial implementation of the Performance Timing API for Node.js.
This is the same Performance Timing API implemented by modern browsers
with a number of Node.js specific properties. The User Timing mark()
and measure() APIs are implemented, garbage collection timing, and
node startup milestone timing.

```js
const { performance } = require('perf_hooks');

performance.mark('A');
setTimeout(() => {
  performance.mark('B');
  performance.measure('A to B', 'A', 'B');
  const entry = performance.getEntriesByName('A to B', 'measure')[0];
  console.log(entry.duration);
}, 10000);
```

The implementation is at the native layer and makes use of uv_hrtime().
This should enable *eventual* integration with things like Tracing
and Inspection.

The implementation is extensible and should allow us to add new
performance entry types as we go (e.g. for measuring i/o perf,
etc).

Documentation and a test are provided.

PR-URL: https://github.com/nodejs/node/pull/14680
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
 2017-08-23 16:00:09 -07:00