Re: [PATCH perf/core v4 13/19] perf-probe: Set default kprobe group name if it is not given

From: Arnaldo Carvalho de Melo
Date: Tue Apr 26 2016 - 09:51:05 EST


Em Tue, Apr 26, 2016 at 06:04:13PM +0900, Masami Hiramatsu escreveu:
> From: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
>
> Set kprobe group name as "probe" if it is not given.

Looks good, applied,

- Arnaldo

> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
> Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> ---
> tools/perf/util/probe-event.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
> index d4286bb..934797e 100644
> --- a/tools/perf/util/probe-event.c
> +++ b/tools/perf/util/probe-event.c
> @@ -2822,9 +2822,13 @@ static int convert_to_probe_trace_events(struct perf_probe_event *pev,
> {
> int ret;
>
> - if (pev->uprobes && !pev->group) {
> - /* Replace group name if not given */
> - ret = convert_exec_to_group(pev->target, &pev->group);
> + if (!pev->group) {
> + /* Set group name if not given */
> + if (!pev->uprobes) {
> + pev->group = strdup(PERFPROBE_GROUP);
> + ret = pev->group ? 0 : -ENOMEM;
> + } else
> + ret = convert_exec_to_group(pev->target, &pev->group);
> if (ret != 0) {
> pr_warning("Failed to make a group name.\n");
> return ret;