Re: [PATCH -tip tracing/kprobes 0/9] tracing/kprobes, perf: perfprobe and kprobe-tracer bugfixes

From: Ingo Molnar
Date: Tue Oct 20 2009 - 02:55:17 EST



* Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:

> How about the following syntax?
> <adding>
> perf probe schedule
> perf probe --add schedule
>
> <deleting>
> perf probe --del schedule
> perf probe --del all /* delete all probepoints */
>
> So, this doesn't symmetric, but provides simple way to add a probe.

agreed. For deletion, eventually this:

perf probe --del "*"

should also work - as should other regexp (or glob) matches on a range
of existing probes.

plus there should be a perf probe call to output all current probes as
perf probe commands - so that it can be saved (and restored).

Ingo
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