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perf kmem: Make it work again on non NUMA machines

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commit 4921e32024 upstream.

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>
Cc: zhangzhiqiang <zhangzhiqiang.zhang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Olsa
2013-09-12 18:39:36 +02:00
committed by Greg Kroah-Hartman
parent a63607b953
commit e7fa68ba61
1 changed files with 1 additions and 1 deletions
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2
tools/perf/builtin-kmem.c
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@@ -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 ||