a.p.zijlstra at chello
May 3, 2012, 4:24 AM
On Thu, 2012-05-03 at 12:56 +0200, Jiri Olsa wrote:
Re: [PATCH 9/9] perf tool: Add pmu event alias support
[In reply to]
> - in sysfs you would have directory with aliases (now called 'events')
> - each alias is sysfs dir, with file attrs:
> file name = term name, file value = term value
> # files:
> config - value 1
> config1 - value 2
> mask - value ...
I'd prefer the thing Yan proposed (if the sysfs folks let us),
with contents: "event=0x20,umask=0x4"
> this way it's also possible to add extra terms to existing alias
> in command line if needed... might be handy
That should always be possible, if you modify the parser to take things
and have latter values override earlier values, so it collapses into:
you can simply take whatever comes out of the event file and stick extra
bits at the end.
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