tldr/pages/common/gnomon.md

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# gnomon
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> Utility to annotate console logging statements with timestamps and find slow processes.
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> More information: <https://github.com/paypal/gnomon>.
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- Use UNIX (or DOS) pipes to pipe `stdout` of any command through gnomon:
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`{{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`
- Use a high threshold of 0.5 seconds, exceeding which the timestamp will be colored bright red:
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`{{npm test}} | gnomon --high 0.5`
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- Use a medium threshold of 0.2 seconds, exceeding which the timestamp will be colored bright yellow:
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`{{npm test}} | gnomon --medium {{0.2}}`