mirrors/nodejs
mirrors/nodejs
0
0
Fork 0
mirror of https://github.com/nodejs/node.git synced 2024-11-29 23:16:30 +01:00
Code Issues Releases Activity
646e67e1dc
nodejs/doc/api/tracing.md
estrada9166 a29089d7c8
doc: add new documentation lint rule 
Add 80 characters limit to docs.
Change docs to fit 80 characters per row.

PR-URL: https://github.com/nodejs/node/pull/18726
Fixes: https://github.com/nodejs/node/issues/18703
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
2018-02-23 16:26:29 +00:00

1.0 KiB
Raw Blame History

Tracing

Trace Event provides a mechanism to centralize tracing information generated by V8, Node core, and userspace code.

Tracing can be enabled by passing the --trace-events-enabled flag when starting a Node.js application.

The set of categories for which traces are recorded can be specified using the --trace-event-categories flag followed by a list of comma separated category names. By default the node, node.async_hooks, and v8 categories are enabled.

node --trace-events-enabled --trace-event-categories v8,node,node.async_hooks server.js

Running Node.js with tracing enabled will produce log files that can be opened in the chrome://tracing tab of Chrome.

Starting with Node 10.0.0, the tracing system uses the same time source as the one used by process.hrtime() however the trace-event timestamps are expressed in microseconds, unlike process.hrtime() which returns nanoseconds.