luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

tracing: Drop the nested field from lock_release event

Browse Source 
Drop the nested field as we don't use it. Every nested state can
be computed from a state machine on post processing already.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Frederic Weisbecker 2010-05-08 06:24:25 +02:00
parent 883a2a3189
commit 9313543945
2 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/trace/events/lock.h
View File

@ -37,9 +37,9 @@ TRACE_EVENT(lock_acquire,
TRACE_EVENT(lock_release,
TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
TP_PROTO(struct lockdep_map *lock, unsigned long ip),
TP_ARGS(lock, nested, ip),
TP_ARGS(lock, ip),
TP_STRUCT__entry(
__string(name, lock->name)

2
kernel/lockdep.c
View File

@ -3227,7 +3227,7 @@ void lock_release(struct lockdep_map *lock, int nested,
raw_local_irq_save(flags);
check_flags(flags);
current->lockdep_recursion = 1;
trace_lock_release(lock, nested, ip);
trace_lock_release(lock, ip);
__lock_release(lock, nested, ip);
current->lockdep_recursion = 0;
raw_local_irq_restore(flags);