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authorDon Zickus <dzickus@redhat.com>2014-04-07 22:55:22 +0400
committerJiri Olsa <jolsa@redhat.com>2014-04-22 19:39:16 +0400
commitf5b1f4e483d55a88ed120e2c62b45ba5b939fa72 (patch)
treedc1749ebc06889cf3bb031104d75a78ecb69e3c8 /tools/perf
parent7780c25bae59fd042281710f5e1243268e2c18dc (diff)
downloadlinux-f5b1f4e483d55a88ed120e2c62b45ba5b939fa72.tar.xz
perf tools: Use cpu/possible instead of cpu/kernel_max
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>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/cpumap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 526da022b3c4..c4e55b71010c 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 */
- ret = snprintf(path, PATH_MAX, "%s/devices/system/cpu/kernel_max", mnt);
+ ret = snprintf(path, PATH_MAX, "%s/devices/system/cpu/possible", mnt);
if (ret == PATH_MAX) {
pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX);
goto out;