Messages in this thread | | | Date | Sat, 19 Feb 2011 10:32:16 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 3/3] perf events: add timehist option to record and report |
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* David Ahern <daahern@cisco.com> wrote:
> On 01/23/11 at 03:45:67 a syslog event noted an application restart. > Checking the applications logs it went silent. Why? What does perf say? > > Oh, 2 days have gone by before said event is reported to engineering, > and the server was been rebooted to 'clear' the problem - hence > resetting monotonic clock.
I think that's a valid usecase and the feature you are suggestion is very useful.
Why not extend the regular trace output to also (optionally) output GTOD timestamps?
Thanks,
Ingo
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