From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752960AbaDRKdt (ORCPT ); Fri, 18 Apr 2014 06:33:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:21034 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752068AbaDRKcL (ORCPT ); Fri, 18 Apr 2014 06:32:11 -0400 From: Jiri Olsa To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Don Zickus , Jiri Olsa Subject: [PATCH 3/5] perf tools: Use cpu/possible instead of cpu/kernel_max Date: Fri, 18 Apr 2014 12:31:57 +0200 Message-Id: <1397817119-15195-4-git-send-email-jolsa@redhat.com> In-Reply-To: <1397817119-15195-1-git-send-email-jolsa@redhat.com> References: <1397817119-15195-1-git-send-email-jolsa@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Don Zickus 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 Reviewed-by: Namhyung Kim Link: http://lkml.kernel.org/r/1396896924-129847-3-git-send-email-dzickus@redhat.com Signed-off-by: Jiri Olsa --- 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