diff options
| author |   Waiman Long <longman@redhat.com> | 2020-02-06 10:24:07 -0500 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2020-02-11 13:10:51 +0100 |
| commit | 797b82eb906eeba24dcd6e9ab92faef01fc684cb (patch) | |
| tree | b27a8f62357cc70217b633ec3fde24d4f492ddf2 /kernel/locking/lockdep_proc.c | |
| parent | locking/lockdep: Throw away all lock chains with zapped class (diff) | |
| download | linux-dev-797b82eb906eeba24dcd6e9ab92faef01fc684cb.tar.xz linux-dev-797b82eb906eeba24dcd6e9ab92faef01fc684cb.zip | |
locking/lockdep: Track number of zapped lock chains
Add a new counter nr_zapped_lock_chains to track the number lock chains
that have been removed.
Signed-off-by: Waiman Long <longman@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20200206152408.24165-6-longman@redhat.com
Diffstat (limited to 'kernel/locking/lockdep_proc.c')
| -rw-r--r-- | kernel/locking/lockdep_proc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c index 53c2a2ab4f07..524580db4779 100644 --- a/kernel/locking/lockdep_proc.c +++ b/kernel/locking/lockdep_proc.c @@ -349,6 +349,10 @@ static int lockdep_stats_show(struct seq_file *m, void *v) seq_puts(m, "\n"); seq_printf(m, " zapped classes: %11lu\n", nr_zapped_classes); +#ifdef CONFIG_PROVE_LOCKING + seq_printf(m, " zapped lock chains: %11lu\n", + nr_zapped_lock_chains); +#endif return 0; } |