[tip:perf/core] perf tests: Allow reuse of test_file function

[tip-bot for Jiri Olsa]

Commit-ID:  822c45db6398a69879b0539f0819de02b813493c
Gitweb:     http://git.kernel.org/tip/822c45db6398a69879b0539f0819de02b813493c
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Sun, 4 May 2014 13:51:46 +0200
Committer:  Jiri Olsa <jolsa@xxxxxxxxxx>
CommitDate: Thu, 12 Jun 2014 16:53:22 +0200

perf tests: Allow reuse of test_file function

Making the test_file function to be reusable for
new tests coming in following patches.

Also changing the template name of temp files to
"/tmp/perf-test-XXXXXX" to easily identify & blame.

Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jean Pihet <jean.pihet@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1401892622-30848-12-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
 tools/perf/tests/dso-data.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/perf/tests/dso-data.c b/tools/perf/tests/dso-data.c
index 3e6cb17..7384381 100644
--- a/tools/perf/tests/dso-data.c
+++ b/tools/perf/tests/dso-data.c
@@ -12,11 +12,15 @@
 
 static char *test_file(int size)
 {
-	static char buf_templ[] = "/tmp/test-XXXXXX";
+#define TEMPL "/tmp/perf-test-XXXXXX"
+	static char buf_templ[sizeof(TEMPL)];
 	char *templ = buf_templ;
 	int fd, i;
 	unsigned char *buf;
 
+	strcpy(buf_templ, TEMPL);
+#undef TEMPL
+
 	fd = mkstemp(templ);
 	if (fd < 0) {
 		perror("mkstemp failed");
--
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