perf probe: Set default kprobe group name if it is not given

Set kprobe group name as "probe" if it is not given.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20160426090413.11891.95640.stgit@devbox
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Masami Hiramatsu 2016-04-26 18:04:13 +09:00 committed by Arnaldo Carvalho de Melo
parent 6ed0720a74
commit 2a12ec13cc

View File

@ -2748,9 +2748,13 @@ 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;