Messages in this thread | | | Date | Tue, 4 Feb 2014 21:33:20 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH 1/1] v2 add StartTimeMonotomic, StartTimeBootTime to per pid in /proc |
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On Fri, 31 Jan 2014, Dan Ballard wrote:
> starttime in /proc/$PID/stat is inaccurate by "clock tick" granularity. > The process starttime is useful for a variety of things, like figuring > out creation ordering of processes and it is useful to detect PID > reuses in a somewhat reliable way. > > The kernel internally stores finer granularity values and this patch > exports them in the easily usable location /prod/$PID/status > as StartTimeMonotonic and StartTimeBootTime.
If you want proper ordered and granular information use tracing.
Thanks,
tglx
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