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>
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@ -466,7 +466,16 @@ static void get_new_event_name(char *buf, size_t len, const char *base,
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struct strlist *namelist)
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struct strlist *namelist)
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{
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{
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int i, ret;
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int i, ret;
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for (i = 0; i < MAX_EVENT_INDEX; i++) {
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/* Try no suffix */
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ret = e_snprintf(buf, len, "%s", base);
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if (ret < 0)
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die("snprintf() failed: %s", strerror(-ret));
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if (!strlist__has_entry(namelist, buf))
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return;
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/* Try to add suffix */
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for (i = 1; i < MAX_EVENT_INDEX; i++) {
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ret = e_snprintf(buf, len, "%s_%d", base, i);
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ret = e_snprintf(buf, len, "%s_%d", base, i);
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if (ret < 0)
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if (ret < 0)
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die("snprintf() failed: %s", strerror(-ret));
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die("snprintf() failed: %s", strerror(-ret));
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