tldr/pages/common/gnomon.md

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# gnomon
2018-10-29 10:46:55 +00:00
> Utility to annotate console logging statements with timestamps and find slow processes.
2019-06-07 11:58:25 +01:00
> More information: <https://github.com/paypal/gnomon>.
2018-10-29 10:46:55 +00:00
- Use UNIX (or DOS) pipes to pipe the `stdout` of any command through gnomon:
2018-10-29 10:46:55 +00:00
`{{npm test}} | gnomon`
- Show number of seconds since the start of the process:
`{{npm test}} | gnomon --type=elapsed-total`
- Show an absolute timestamp in UTC:
`{{npm test}} | gnomon --type=absolute`
- Set a high threshold of 0.5 seconds for the elapsed time; exceeding which the timestamp will be colored bright red:
`{{npm test}} | gnomon --high {{0.5}}`
- Set a medium threshold of 0.2 seconds (Timestamp will be colored bright yellow):
`{{npm test}} | gnomon --medium {{0.2}}`