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Message-Id: <1397817119-15195-4-git-send-email-jolsa@redhat.com>
Date: Fri, 18 Apr 2014 12:31:57 +0200
From: Jiri Olsa <jolsa@...hat.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org, Don Zickus <dzickus@...hat.com>,
Jiri Olsa <jolsa@...hat.com>
Subject: [PATCH 3/5] perf tools: Use cpu/possible instead of cpu/kernel_max
From: Don Zickus <dzickus@...hat.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@...hat.com>
Reviewed-by: Namhyung Kim <namhyung@...nel.org>
Link: http://lkml.kernel.org/r/1396896924-129847-3-git-send-email-dzickus@redhat.com
Signed-off-by: Jiri Olsa <jolsa@...hat.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
--
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