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authorMasami Hiramatsu <mhiramat@redhat.com>2009-12-08 23:03:02 +0100
committerIngo Molnar <mingo@elte.hu>2009-12-09 07:26:52 +0100
commit17f88fcd667a914b6f4dca146c9a09492fcd57b8 (patch)
treedfb5a80f75b94a8614afff65e7dd008aaa98aa56 /tools/perf/util/probe-event.c
parentperf probe: Fix add-probe command syntax without --add option (diff)
downloadlinux-17f88fcd667a914b6f4dca146c9a09492fcd57b8.tar.xz
linux-17f88fcd667a914b6f4dca146c9a09492fcd57b8.zip
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>
Diffstat (limited to 'tools/perf/util/probe-event.c')
-rw-r--r--tools/perf/util/probe-event.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 2c4d3017441b..31beedcf61c1 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -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));