[PATCH 3/5] perf tools: Use cpu/possible instead of cpu/kernel_max

[Jiri Olsa <jolsa@redhat.com>]

From: Don Zickus <dzickus@redhat.com>

The system's max configuration is represented by cpu/possible and
cpu/kernel_max can be huge (4096 vs. 128), so save space by keeping
smaller structures.

Signed-off-by: Don Zickus <dzickus@redhat.com>
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1396896924-129847-3-git-send-email-dzickus@redhat.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
---
 tools/perf/util/cpumap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 0a27732..3d124fb 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -365,7 +365,7 @@ static void set_max_cpu_num(void)
 		goto out;
 
 	/* get the highest possible cpu number for a sparse allocation */
-	snprintf(path, PATH_MAX, "%s/devices/system/cpu/kernel_max", mnt);
+	snprintf(path, PATH_MAX, "%s/devices/system/cpu/possible", mnt);
 
 	ret = get_max_num(path, &max_cpu_num);
 
-- 
1.8.3.1