Re: [PATCH -tip 00/14] perf-probe updates

Ingo Molnar
2009-12-15T19:23:43Z

* Masami Hiramatsu <mhiramat@redhat.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