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perf probe: Remove unused tracing_dir variable

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Remove unused tracing_dir variable from open_probe_events().

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/147201827792.5713.4165387506020511920.stgit@devbox
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Masami Hiramatsu 2016-08-24 14:57:58 +09:00 committed by Arnaldo Carvalho de Melo
parent 36e674a051
commit 04e11960aa
1 changed files with 2 additions and 3 deletions
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5
tools/perf/util/probe-file.c
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@ -73,11 +73,10 @@ static void print_both_open_warning(int kerr, int uerr)
static int open_probe_events(const char *trace_file, bool readwrite)
{
char buf[PATH_MAX];
const char *tracing_dir = "";
int ret;
ret = e_snprintf(buf, PATH_MAX, "%s/%s%s",
tracing_path, tracing_dir, trace_file);
ret = e_snprintf(buf, PATH_MAX, "%s/%s",
tracing_path, trace_file);
if (ret >= 0) {
pr_debug("Opening %s write=%d\n", buf, readwrite);
if (readwrite && !probe_event_dry_run)