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30 lines
851 B
Plaintext
30 lines
851 B
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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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#options>.
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- Use UNIX (or DOS) pipes to pipe `stdout` of any command through gnomon:
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`{{npm test}} | gnomon`
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- Show number of seconds since the start of the process:
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`{{npm test}} | gnomon {{[-t|--type]}} elapsed-total`
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- Show an absolute timestamp in UTC:
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`{{npm test}} | gnomon {{[-t|--type]}} absolute`
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- Use a high threshold of 0.5 seconds, exceeding which the timestamp will be colored bright red:
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`{{npm test}} | gnomon {{[-h|--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 {{[-m|--medium]}} 0.2`
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