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| author | Tanner Stirrat <tstirrat@gmail.com> | 2019-07-18 13:36:12 -0600 |
|---|---|---|
| committer | Michaël Zasso <targos@protonmail.com> | 2019-07-22 21:20:41 +0200 |
| commit | 06991cd9023b8e00989d3b78844274deebd14b45 (patch) | |
| tree | 7dd4c795e460fb8a65a6ea510f8a4be22b1e7042 | |
| parent | 8fe9ca416dabd6939103e240b2b97c9ff9bac2c6 (diff) | |
| download | android-node-v8-06991cd9023b8e00989d3b78844274deebd14b45.tar.gz android-node-v8-06991cd9023b8e00989d3b78844274deebd14b45.tar.bz2 android-node-v8-06991cd9023b8e00989d3b78844274deebd14b45.zip | |
doc: add information for heap snapshot flag
It's nice to have usage examples, especially since the flag requires the
`SIG` version of the signal name, unlike `kill`.
PR-URL: https://github.com/nodejs/node/pull/28754
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
| -rw-r--r-- | doc/api/cli.md | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/api/cli.md b/doc/api/cli.md index 544a3acb16..d63749819e 100644 --- a/doc/api/cli.md +++ b/doc/api/cli.md @@ -223,6 +223,19 @@ reference. Code may break under this flag. added: v12.0.0 --> +Enables a signal handler that causes the Node.js process to write a heap dump +when the specified signal is received. + +```console +$ node --heapsnapshot-signal=SIGUSR2 index.js & +$ ps aux +USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND +node 1 5.5 6.1 787252 247004 ? Ssl 16:43 0:02 node --heapsnapshot-signal=SIGUSR2 index.js +$ kill -USR2 1 +$ ls +Heap.20190718.133405.15554.0.001.heapsnapshot +``` + ### `--heap-prof` <!-- YAML added: v12.4.0 |