Re: [PATCH 3/3] perf events: add timehist option to record and report

[Ingo Molnar]

* David Ahern <daahern@xxxxxxxxx> 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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