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SubjectRe: [PATCH -tip tracing/kprobes 0/9] tracing/kprobes, perf: perf probe and kprobe-tracer bugfixes
Ingo Molnar wrote:
>
> * Masami Hiramatsu <mhiramat@redhat.com> 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.

Ah, that's a nice idea :-), it allows user to delete a group of
probes, like --del "schedule*".

> 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).

Sure. 'perf probe --save file' & 'perf probe --restore file' will be
fine for me.

Thank you,
--
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com



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