perf tests: Move attr.py temp dir cleanup into finally section

Currently if there's 'Unsup' exception raised, we do not clean up the
temp directory. Solving this by adding 'finally' to make the cleanup in
any case.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1352390461-15404-1-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/attr.py

@@ -228,24 +228,26 @@ def resolve_groups(self, events):
     def run(self):
         tempdir = tempfile.mkdtemp();
 
-        # run the test script
-        self.run_cmd(tempdir);
+        try:
+            # run the test script
+            self.run_cmd(tempdir);
 
-        # load events expectation for the test
-        log.info("  loading result events");
-        for f in glob.glob(tempdir + '/event*'):
-            self.load_events(f, self.result);
+            # load events expectation for the test
+            log.info("  loading result events");
+            for f in glob.glob(tempdir + '/event*'):
+                self.load_events(f, self.result);
 
-        # resolve group_fd to event names
-        self.resolve_groups(self.expect);
-        self.resolve_groups(self.result);
+            # resolve group_fd to event names
+            self.resolve_groups(self.expect);
+            self.resolve_groups(self.result);
 
-        # do the expectation - results matching - both ways
-        self.compare(self.expect, self.result)
-        self.compare(self.result, self.expect)
+            # do the expectation - results matching - both ways
+            self.compare(self.expect, self.result)
+            self.compare(self.result, self.expect)
 
-        # cleanup
-        shutil.rmtree(tempdir)
+        finally:
+            # cleanup
+            shutil.rmtree(tempdir)
 
 
 def run_tests(options):