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Message-ID: <20091215192258.GB15443@elte.hu>
Date: Tue, 15 Dec 2009 20:22:58 +0100
From: Ingo Molnar <mingo@...e.hu>
To: Masami Hiramatsu <mhiramat@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>,
lkml <linux-kernel@...r.kernel.org>,
Paul Mackerras <paulus@...ba.org>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Steven Rostedt <rostedt@...dmis.org>,
Jim Keniston <jkenisto@...ibm.com>,
Ananth N Mavinakayanahalli <ananth@...ibm.com>,
Christoph Hellwig <hch@...radead.org>,
"Frank Ch. Eigler" <fche@...hat.com>,
Jason Baron <jbaron@...hat.com>,
"K.Prasad" <prasad@...ux.vnet.ibm.com>,
Peter Zijlstra <peterz@...radead.org>,
Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
systemtap <systemtap@...rces.redhat.com>,
DLE <dle-develop@...ts.sourceforge.net>
Subject: Re: [PATCH -tip 00/14] perf-probe updates
* Masami Hiramatsu <mhiramat@...hat.com> wrote:
> Hi Ingo,
>
> Here are several bugfixes and updates of perf-probe.
> This updates includes below features.
>
> - Support checking kernel Build-ID
> Comparing vmlinux build-id and running kernel build-id
> can prevent user to set incorrect probes by using
> old/incorrect vmlinux.
>
> - Symbol search by libelf/kallsyms
> This allows to check probed symbol exists in the kernel
> even if debuginfo is not available.
>
> - Support glob expression with --del option (like --del '*')
> This allows users to use wildcard for specifying
> deleting events.
>
> - Reject adding same-name events
> Rejecting to add event which name already exists.
>
> - Support event name specifying for new events
> This allows users to set their own name to new
> events. Currently setting group name is not
> allowed, because it will conflict with other
> tracepoints and kmem event.
>
> I think the glob expression (wildcard matching) can be
> applied to other perf tools for choosing events, and it
> will give user better experience :-)
Very nice improvements! :)
Applied, thanks!
Ingo
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