Re: [PATCH] tracing, perf: add more power related events
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- Subject: Re: [PATCH] tracing, perf: add more power related events
- From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
- Date: Wed, 22 Sep 2010 20:43:53 +0200
- Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>, Jean Pihet <jean.pihet@xxxxxxxxxxxxxx>, Thomas Renninger <trenn@xxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, Len Brown <len.brown@xxxxxxxxx>, arjan@xxxxxxxxxxxxx, Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-omap@xxxxxxxxxxxxxxx, linux-perf-users@xxxxxxxxxxxxxxx, linux-trace-users@xxxxxxxxxxxxxxx
- In-reply-to: <1285180574.26872.51.camel@xxxxxxxxxxxxxxxxxxx>
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On Wed, 2010-09-22 at 14:36 -0400, Steven Rostedt wrote:
> > I still don't see why you need TRACE_EVENT_ABI for that, if its the same
> > name and the format can be extended you get the same results with what
> > we've got. Apps need to read/parse the format thing anyway.
>
> Just a marker that these trace points are being used by apps.
I really don't see any additional value in that. Its not like we won't
change them if we have to.
> But then again, we present the fields in the data. The tools should use
> a parse library (which a generic one will soon be out too). This way, we
> don't need them at the "end" but the parsing tools could find the fields
> no matter where they are in the record.
Right. They should use the full format specification.
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- References:
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
- Re: [PATCH] tracing, perf: add more power related events
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