From a417887637e862b434b293404f2a31ad1f282a58 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Sat, 29 Aug 2009 18:47:59 +0800 Subject: 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, 12 deletions(-) (limited to 'kernel') diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 0843584aed5e..f74d2d7aa605 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 8dac8402e07e..ec33c6ad58dd 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); -- cgit v1.2.3