perf kmem: Make it work again on non NUMA machines
authorJiri Olsa <jolsa@redhat.com>
Thu, 12 Sep 2013 16:39:36 +0000 (18:39 +0200)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 24 Sep 2013 17:13:46 +0000 (14:13 -0300)
The commit '2814eb0 perf kmem: Remove die() calls' disabled 'perf kmem'
command for machines without numa support. It made the command fail if
'/sys/devices/system/node' dir wasn't found.

Skipping the numa based initialization in case the directory is not
found and continue execution.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1379003976-5839-5-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-kmem.c

index c2dff9cb1f2ce1ac150401d7b859229beb53998e..9b5f077fee5b1b65a4e51b48ef1af0727b8c134b 100644 (file)
@@ -101,7 +101,7 @@ static int setup_cpunode_map(void)
 
        dir1 = opendir(PATH_SYS_NODE);
        if (!dir1)
-               return -1;
+               return 0;
 
        while ((dent1 = readdir(dir1)) != NULL) {
                if (dent1->d_type != DT_DIR ||