From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752218AbZH2LZt (ORCPT ); Sat, 29 Aug 2009 07:25:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752072AbZH2LZs (ORCPT ); Sat, 29 Aug 2009 07:25:48 -0400 Received: from hera.kernel.org ([140.211.167.34]:40040 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752120AbZH2LZr (ORCPT ); Sat, 29 Aug 2009 07:25:47 -0400 Date: Sat, 29 Aug 2009 11:25:22 GMT From: tip-bot for Ming Lei Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, tglx@linutronix.de, tom.leiming@gmail.com, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, tom.leiming@gmail.com, mingo@elte.hu In-Reply-To: <1251542879-5211-1-git-send-email-tom.leiming@gmail.com> References: <1251542879-5211-1-git-send-email-tom.leiming@gmail.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:core/locking] lockdep: Remove recursion stattistics Message-ID: Git-Commit-ID: a417887637e862b434b293404f2a31ad1f282a58 X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Sat, 29 Aug 2009 11:25:23 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: a417887637e862b434b293404f2a31ad1f282a58 Gitweb: http://git.kernel.org/tip/a417887637e862b434b293404f2a31ad1f282a58 Author: Ming Lei AuthorDate: Sat, 29 Aug 2009 18:47:59 +0800 Committer: Ingo Molnar CommitDate: Sat, 29 Aug 2009 13:22:36 +0200 lockdep: Remove recursion stattistics Since lockdep has introduced BFS to avoid recursion, statistics for recursion does not make any sense now. So remove them. Signed-off-by: Ming Lei Cc: a.p.zijlstra@chello.nl LKML-Reference: <1251542879-5211-1-git-send-email-tom.leiming@gmail.com> Signed-off-by: Ingo Molnar --- kernel/lockdep.c | 4 ---- kernel/lockdep_proc.c | 8 -------- 2 files changed, 0 insertions(+), 12 deletions(-) diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 0843584..f74d2d7 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -399,7 +399,6 @@ unsigned int nr_hardirq_chains; unsigned int nr_softirq_chains; unsigned int nr_process_chains; unsigned int max_lockdep_depth; -unsigned int max_recursion_depth; #ifdef CONFIG_DEBUG_LOCKDEP /* @@ -429,11 +428,8 @@ atomic_t redundant_softirqs_on; atomic_t redundant_softirqs_off; atomic_t nr_unused_locks; atomic_t nr_cyclic_checks; -atomic_t nr_cyclic_check_recursions; atomic_t nr_find_usage_forwards_checks; -atomic_t nr_find_usage_forwards_recursions; atomic_t nr_find_usage_backwards_checks; -atomic_t nr_find_usage_backwards_recursions; #endif /* diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c index 8dac840..ec33c6a 100644 --- a/kernel/lockdep_proc.c +++ b/kernel/lockdep_proc.c @@ -199,16 +199,10 @@ static void lockdep_stats_debug_show(struct seq_file *m) debug_atomic_read(&chain_lookup_hits)); seq_printf(m, " cyclic checks: %11u\n", debug_atomic_read(&nr_cyclic_checks)); - seq_printf(m, " cyclic-check recursions: %11u\n", - debug_atomic_read(&nr_cyclic_check_recursions)); seq_printf(m, " find-mask forwards checks: %11u\n", debug_atomic_read(&nr_find_usage_forwards_checks)); - seq_printf(m, " find-mask forwards recursions: %11u\n", - debug_atomic_read(&nr_find_usage_forwards_recursions)); seq_printf(m, " find-mask backwards checks: %11u\n", debug_atomic_read(&nr_find_usage_backwards_checks)); - seq_printf(m, " find-mask backwards recursions:%11u\n", - debug_atomic_read(&nr_find_usage_backwards_recursions)); seq_printf(m, " hardirq on events: %11u\n", hi1); seq_printf(m, " hardirq off events: %11u\n", hi2); @@ -350,8 +344,6 @@ static int lockdep_stats_show(struct seq_file *m, void *v) nr_unused); seq_printf(m, " max locking depth: %11u\n", max_lockdep_depth); - seq_printf(m, " max recursion depth: %11u\n", - max_recursion_depth); #ifdef CONFIG_PROVE_LOCKING seq_printf(m, " max bfs queue depth: %11u\n", max_bfs_queue_depth);