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gnomon — Utility to annotate console logging statements with timestamps and find slow processes. More informa

Submitted by: @import:tldr-pages··
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Problem

How to use the gnomon command: Utility to annotate console logging statements with timestamps and find slow processes. More information: <https://github.com/paypal/gnomon#options>.

Solution

gnomon — Utility to annotate console logging statements with timestamps and find slow processes. More information: <https://github.com/paypal/gnomon#options>.

Use UNIX (or DOS) pipes to pipe stdout of any command through gnomon:
{{npm test}} | gnomon


Show number of seconds since the start of the process:
{{npm test}} | gnomon {{[-t|--type]}} elapsed-total


Show an absolute timestamp in UTC:
{{npm test}} | gnomon {{[-t|--type]}} absolute


Use a high threshold of 0.5 seconds, exceeding which the timestamp will be colored bright red:
{{npm test}} | gnomon {{[-h|--high]}} 0.5


Use a medium threshold of 0.2 seconds, exceeding which the timestamp will be colored bright yellow:
{{npm test}} | gnomon {{[-m|--medium]}} 0.2

Code Snippets

Use UNIX (or DOS) pipes to pipe `stdout` of any command through gnomon

{{npm test}} | gnomon

Show number of seconds since the start of the process

{{npm test}} | gnomon {{[-t|--type]}} elapsed-total

Show an absolute timestamp in UTC

{{npm test}} | gnomon {{[-t|--type]}} absolute

Use a high threshold of 0.5 seconds, exceeding which the timestamp will be colored bright red

{{npm test}} | gnomon {{[-h|--high]}} 0.5

Use a medium threshold of 0.2 seconds, exceeding which the timestamp will be colored bright yellow

{{npm test}} | gnomon {{[-m|--medium]}} 0.2

Context

tldr-pages: common/gnomon

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