path: root/kernel/lockdep.c
diff options
authorFrederic Weisbecker <fweisbec@gmail.com>2010-05-08 06:16:11 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2010-05-09 13:45:32 +0200
commit883a2a3189dae9d2912c417e47152f51cb922a3f (patch)
tree286a31a1d86b1e49afc79f61c9b83ca81840065b /kernel/lockdep.c
parent90c0e5fc7b73d2575c7367e1da70ff9521718e5e (diff)
tracing: Drop lock_acquired waittime field
Drop the waittime field from the lock_acquired event, we can calculate it by substracting the lock_acquired event timestamp with the matching lock_acquire one. It is not needed and takes useless space in the traces. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> Cc: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/lockdep.c')
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 2594e1ce41c..31e22e74236 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3380,7 +3380,7 @@ found_it:
hlock->holdtime_stamp = now;
- trace_lock_acquired(lock, ip, waittime);
+ trace_lock_acquired(lock, ip);
stats = get_lock_stats(hlock_class(hlock));
if (waittime) {