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annotate mod_log_events_by_cpu_usage/README.markdown @ 3866:c0df50ce96f0

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mod_rest: Handle internal http request errors early and then return Skips over attempted parsing of the payload which usually failed since the body is an error string like "connection refused", so this produced useless errors.
author Kim Alvefur <zash@zash.se>
date Sat, 25 Jan 2020 20:22:12 +0100
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.
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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>
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10 function to estimate CPU usage.