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perf kmem: Make it work again on non NUMA machines

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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 <[email protected]>
Cc: Corey Ashford <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Jiri Olsa 2013-09-12 18:39:36 +02:00 • committed by Arnaldo Carvalho de Melo
commit 4921e32024
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 ||