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annotate mod_log_events_by_cpu_usage/README.markdown @ 4919:347e34c3c7e2

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mod_rest: Improve error handling during format mapping Prevents e.g. a nil, error return going directly into e.g. json encoding, resulting in "null" being returned. Further handling improvements down the line is needed.
author Kim Alvefur <zash@zash.se>
date Thu, 07 Apr 2022 17:49:08 +0200
parents c0bc97c0ba61
children
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c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
Kim Alvefur <zash@zash.se>
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1 This module logs events where more than a certain amount of CPU time was
c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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2 spent.
c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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3
c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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4 ``` lua
c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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5 log_cpu_threshold = 0.01 -- in seconds, so this is 10 milliseconds
c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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6 ```
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7
c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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8 Uses the Lua
c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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9 [`os.clock()`](http://www.lua.org/manual/5.2/manual.html#pdf-os.clock)
c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
Kim Alvefur <zash@zash.se>
parents:
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10 function to estimate CPU usage.