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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-08 06:16:11 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-09 13:45:32 +0200 |
| commit | 883a2a3189dae9d2912c417e47152f51cb922a3f (patch) | |
| tree | 286a31a1d86b1e49afc79f61c9b83ca81840065b /kernel | |
| parent | perf lock: Always check min AND max wait time (diff) | |
| download | linux-883a2a3189dae9d2912c417e47152f51cb922a3f.tar.xz linux-883a2a3189dae9d2912c417e47152f51cb922a3f.zip | |
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')
| -rw-r--r-- | kernel/lockdep.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 2594e1ce41cb..31e22e742368 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) { |