From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756957Ab2GFLBQ (ORCPT ); Fri, 6 Jul 2012 07:01:16 -0400 Received: from terminus.zytor.com ([198.137.202.10]:51542 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755102Ab2GFLBM (ORCPT ); Fri, 6 Jul 2012 07:01:12 -0400 Date: Fri, 6 Jul 2012 04:00:47 -0700 From: tip-bot for Jiri Olsa Message-ID: Cc: acme@redhat.com, eranian@google.com, mingo@kernel.org, gorcunov@openvz.org, a.p.zijlstra@chello.nl, benjamin.redelings@nescent.org, jolsa@redhat.com, drepper@gmail.com, robert.richter@amd.com, fweisbec@gmail.com, tglx@linutronix.de, cjashfor@linux.vnet.ibm.com, asharma@fb.com, linux-kernel@vger.kernel.org, hpa@zytor.com, fche@redhat.com, paulus@samba.org, tzanussi@gmail.com, masami.hiramatsu.pt@hitachi.com Reply-To: mingo@kernel.org, eranian@google.com, acme@redhat.com, gorcunov@openvz.org, a.p.zijlstra@chello.nl, benjamin.redelings@nescent.org, jolsa@redhat.com, fweisbec@gmail.com, robert.richter@amd.com, drepper@gmail.com, tglx@linutronix.de, cjashfor@linux.vnet.ibm.com, asharma@fb.com, paulus@samba.org, linux-kernel@vger.kernel.org, hpa@zytor.com, fche@redhat.com, tzanussi@gmail.com, masami.hiramatsu.pt@hitachi.com In-Reply-To: <1340120894-9465-21-git-send-email-jolsa@redhat.com> References: <1340120894-9465-21-git-send-email-jolsa@redhat.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf tools: Adding round_up/round_down macros Git-Commit-ID: 339ce005091b156c2af4c016c6ba9c1f87cd826a X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (terminus.zytor.com [127.0.0.1]); Fri, 06 Jul 2012 04:00:53 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 339ce005091b156c2af4c016c6ba9c1f87cd826a Gitweb: http://git.kernel.org/tip/339ce005091b156c2af4c016c6ba9c1f87cd826a Author: Jiri Olsa AuthorDate: Tue, 19 Jun 2012 17:48:11 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 29 Jun 2012 15:25:28 -0300 perf tools: Adding round_up/round_down macros Adding round_up and round_down macros. They will be used in upcoming patches. Signed-off-by: Jiri Olsa Cc: Arun Sharma Cc: Benjamin Redelings Cc: Corey Ashford Cc: Cyrill Gorcunov Cc: Frank Ch. Eigler Cc: Frederic Weisbecker Cc: Masami Hiramatsu Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Robert Richter Cc: Stephane Eranian Cc: Tom Zanussi Cc: Ulrich Drepper Link: http://lkml.kernel.org/r/1340120894-9465-21-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/include/linux/kernel.h | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h index 1eb804f..b6842c1 100644 --- a/tools/perf/util/include/linux/kernel.h +++ b/tools/perf/util/include/linux/kernel.h @@ -108,4 +108,14 @@ int eprintf(int level, #define pr_debug3(fmt, ...) pr_debugN(3, pr_fmt(fmt), ##__VA_ARGS__) #define pr_debug4(fmt, ...) pr_debugN(4, pr_fmt(fmt), ##__VA_ARGS__) +/* + * This looks more complex than it should be. But we need to + * get the type for the ~ right in round_down (it needs to be + * as wide as the result!), and we want to evaluate the macro + * arguments just once each. + */ +#define __round_mask(x, y) ((__typeof__(x))((y)-1)) +#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) +#define round_down(x, y) ((x) & ~__round_mask(x, y)) + #endif