linux-kernel - Re: [PATCH 2/2] perf, tools: Don't force MetricExprs to lower case

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Message-ID: <20171009145128.GF28623@kernel.org>
Date:   Mon, 9 Oct 2017 11:51:28 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Andi Kleen <andi@...stfloor.org>, Jiri Olsa <jolsa@...nel.org>,
        Wang Nan <wangnan0@...wei.com>, linux-kernel@...r.kernel.org,
        Andi Kleen <ak@...ux.intel.com>, He Kuang <hekuang@...wei.com>,
        Alexei Starovoitov <ast@...com>
Subject: Re: [PATCH 2/2] perf, tools: Don't force MetricExprs to lower case

Em Mon, Oct 09, 2017 at 04:39:53PM +0200, Jiri Olsa escreveu:
> On Mon, Oct 09, 2017 at 11:12:58AM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Mon, Oct 09, 2017 at 07:07:29AM -0700, Andi Kleen escreveu:
> > > On Mon, Oct 09, 2017 at 03:41:51PM +0200, Jiri Olsa wrote:
> > > > On Wed, Oct 04, 2017 at 09:27:11AM -0700, Andi Kleen wrote:
> > > > > I tried similar patches, but I always ran into more complex
> > > > > situations where it still matched incorrectly.
> > > > > 
> > > > > e.g. try it with cpu/uops_executed.core,... vs uops_executed.core
> > > > 
> > > > hm, both works for me with the change:
> > > > 
> > > >   perf stat -e cpu/uops_executed.core/ ls
> > > >   perf stat -e uops_executed.core ls
> > > 
> > > Ok. If it works it's fine for me.
> 
> well it works, but it means that bpf file cannot contains any directory
> part.. which im not sure is ok with bpf folks ;-) anyone?

That is a big limitation :-\

- Arnaldo