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lockdep: Remove recursion stattistics

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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 <tom.leiming@gmail.com>
Cc: a.p.zijlstra@chello.nl
LKML-Reference: <1251542879-5211-1-git-send-email-tom.leiming@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ming Lei 2009-08-29 18:47:59 +08:00 committed by Ingo Molnar
parent 96004bb2a1
commit a417887637
2 changed files with 0 additions and 12 deletions
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4
kernel/lockdep.c
View file

@ -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
/*

8
kernel/lockdep_proc.c
View file

@ -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);