linux-kernel - Re: specifying raw perf events

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Message-ID: <20120925171155.GE6982@aftab.osrc.amd.com>
Date:	Tue, 25 Sep 2012 19:11:55 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Arnaldo Carvalho de Melo <acme@...radead.org>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: specifying raw perf events

On Tue, Sep 25, 2012 at 10:03:49AM -0700, Arnaldo Carvalho de Melo wrote:
> Em Tue, Sep 25, 2012 at 10:02:01AM -0700, Arnaldo Carvalho de Melo escreveu:
> > Em Tue, Sep 25, 2012 at 05:52:35PM +0200, Borislav Petkov escreveu:
> > > I'm trying to use raw events and to read how exactly they're specified.
> > > Here's what do:
> > > 
> > > $ perf list -h
> > > 
> > > ...
> > >   rNNN                                               [Raw hardware event descriptor]
> > >   cpu/t1=v1[,t2=v2,t3 ...]/modifier                  [Raw hardware event descriptor]
> > >    (see 'perf list --help' on how to encode it)
> > > ...
> > > 
> > > $ perf list --help
> > > $
> > > 
> > > No help. :-(
> > > 
> > > $ perf --version
> > > perf version 3.6.rc7.1723.g226ea0
> > > 
> > > That's latest Linus + tip/auto-latest.
> > 
> > $ make -C tools/perf/Documentation install

Ok, this target doesn't get triggered automatically from

$ make tools/perf_install

Should we change that?

Also, after I run it,

$ perf list --help
$

still doesn't show anything. (running it as non-root).

> If done as non-root:
> 
> man -M ~/share/man/ perf-list

This one works. But looks like "perf list --help" needs fixing?

Thanks.

-- 
Regards/Gruss,
Boris.

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