Messages in this thread | | | From | Namhyung Kim <> | Subject | Re: [PATCH 13/23] perf tools: Introduce perf.data version 3 format | Date | Fri, 19 Jul 2013 21:06:22 +0900 |
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On Wed, 17 Jul 2013 19:49:53 +0200, Jiri Olsa wrote: > Introducing perf.data version 3 format. No functional change, > just introducing doc, magic bytes and the struct. > [SNIP]
> +perf-data-file-v3(1)
s/(1)/(5)/
The same goes to v2 doc.
> +==================== > +Following text describes version 3 of the perf data file format, > +which is version that is currently used by perf tool. > + > +In version 3 we got rid of following sections: > + EVENT IDS > + EVENT ATTRIBUTES > + EVENT TYPES > + > +and keep only data and features sections. All the data > +from above listed sections are now read from specific > +FEATURES sections. > + > +benefits: > + - siplified header storage at the time the file is closed
s/siplified/simplified/
> + - allowing cpu hotpluged addition/removal event IDs > + during the session due to 1)
What is 1) ?
Thanks, Namhyung
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