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tldr/pages/common/gnomon.md
Lena d427f333b2
pages/*: add backticks around I/O streams (#10436) 
* as suggested in #10428
* standard input  => `stdin`
* standard output => `stdout`
* standard error  => `stderr`

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
2023-08-09 10:59:02 +05:30

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gnomon

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

  • 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 --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}}