Re: [PATCH 2/2] perf probe: Remove stale func add_perf_probe_events

From: Masami Hiramatsu
Date: Wed Mar 08 2017 - 04:43:20 EST


On Wed, 8 Mar 2017 12:29:08 +0530
Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxxxxxxx> wrote:

> I don't see any user of this function. This function was being copied
> to tools/perf/builtin-probe.c by commit b02137cc6550 ("perf probe: Move
> print logic into cmd_probe()"). Since then it has became stale.

Hmm, I have intended to keep it as an library API, which allows
user to add event silently (e.g. adding sdt event in background).

Thanks,

>
> Signed-off-by: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxxxxxxx>
> ---
> tools/perf/util/probe-event.c | 18 ------------------
> 1 file changed, 18 deletions(-)
>
> diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
> index 4f9d6ee..9f18204 100644
> --- a/tools/perf/util/probe-event.c
> +++ b/tools/perf/util/probe-event.c
> @@ -3361,24 +3361,6 @@ void cleanup_perf_probe_events(struct perf_probe_event *pevs, int npevs)
> }
> }
>
> -int add_perf_probe_events(struct perf_probe_event *pevs, int npevs)
> -{
> - int ret;
> -
> - ret = init_probe_symbol_maps(pevs->uprobes);
> - if (ret < 0)
> - return ret;
> -
> - ret = convert_perf_probe_events(pevs, npevs);
> - if (ret == 0)
> - ret = apply_perf_probe_events(pevs, npevs);
> -
> - cleanup_perf_probe_events(pevs, npevs);
> -
> - exit_probe_symbol_maps();
> - return ret;
> -}
> -
> int del_perf_probe_events(struct strfilter *filter)
> {
> int ret, ret2, ufd = -1, kfd = -1;
> --
> 2.9.3
>


--
Masami Hiramatsu <mhiramat@xxxxxxxxxx>