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| -rw-r--r-- | README | 50 |
1 files changed, 47 insertions, 3 deletions
@@ -1,5 +1,49 @@ -Get the current timer slack value or spawn -a new process with a new timer slack value. +NAME + slack - Control your timer slack -Note: real-time threads do not slack around. +SYNOPSIS + slack (get | GET) + slack ((reset | INTERVAL) [--fatal] [--] COMMAND...) + +DESCRIPTION + Get the current timer slack value or spawn a new process + with a new timer slack value. + + If the verb get or GET is used, the current timer slack + value and exit. If get is used, the program shall use + as high prefix as possible. If GET is used the value + shall be printed in nanoseconds but not unit shall be + printed. + + If the verb reset is used, the process shall set the + timer slack value for the process to the default timer + slack value, and exec(3) to COMMAND. + + If an INTERVAL is given, the process shall set the + timer slack value for the process to INTERVAL, and + exec(3) to COMMAND. + + INTERVAL must be a positive number, optioanlly with + a prefix. Recognised prefixes (and units) are: + + ns, n nanoseconds (default) + µs, µ, us, u microseconds + ms, m milliseconds + s seconds + + The default timer slack value is the timer slack value + on PID 1. + +OPTIONS + --fatal + Fail if the timer slack value cannot be set. + +RATIONALE + Could be useful increase the performance of your computer. + +NOTES: + Real-time threads do not slack around. + +SEE ALSO + nice(1) ionice(1), prctl(2) |