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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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