linux-kernel - Re: [PATCHv4 0/9] perf tool: parser generator for events parsing

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Message-ID: <20120215090439.GA1664@m.brq.redhat.com>
Date:	Wed, 15 Feb 2012 10:04:39 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	acme@...hat.com, mingo@...e.hu, paulus@...ba.org,
	cjashfor@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv4 0/9] perf tool: parser generator for events parsing

On Tue, Feb 14, 2012 at 09:57:10PM +0100, Peter Zijlstra wrote:
> On Tue, 2012-02-14 at 21:20 +0100, Peter Zijlstra wrote:
> > OK, this one works. the attributes thing wants NULL termination.
> > Thanks
> > for mentioning that Jiri. 
> 
> OK, it mostly works, except:
> 
> perf record -e "cpu/config=0x108000c0/upp" ./loop_1b_locks
> 
> doesn't seem to work...
> 
> One thing that might be nice is not having to do =1 for single bit
> fields, so that we can write: inv,edge instead of inv=1,edge=1.

ok, would you think there's any use for following behaviour:
whenever field is written without the assignment, all the field defined
bits are set.. regardless if it's sengle ot multiple bit field..

looks like this would ease the implementation a little,
not mentioning the above behaviour could be usefull ;)

jirka
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