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perf probe: Remove event suffix number _0 

Remove event suffix number _0 if it is the first.
The first event has no suffix, and from the second,
each event has suffix number counted from _1. This
reduces typing cost :-).

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
LKML-Reference: <20091208220301.10142.50031.stgit@dhcp-100-2-132.bos.redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Masami Hiramatsu 2009-12-08 17:03:02 -05:00 committed by Ingo Molnar
parent d1bde3f755
commit 17f88fcd66
1 changed files with 10 additions and 1 deletions
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11
tools/perf/util/probe-event.c
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@ -466,7 +466,16 @@ static void get_new_event_name(char *buf, size_t len, const char *base,
struct strlist *namelist)
{
int i, ret;
for (i = 0; i < MAX_EVENT_INDEX; i++) {
/* Try no suffix */
ret = e_snprintf(buf, len, "%s", base);
if (ret < 0)
die("snprintf() failed: %s", strerror(-ret));
if (!strlist__has_entry(namelist, buf))
return;
/* Try to add suffix */
for (i = 1; i < MAX_EVENT_INDEX; i++) {
ret = e_snprintf(buf, len, "%s_%d", base, i);
if (ret < 0)
die("snprintf() failed: %s", strerror(-ret));