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Commit 93135439 authored by Frederic Weisbecker's avatar Frederic Weisbecker
Browse files

tracing: Drop the nested field from lock_release event 



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: default avatarFrederic 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>
parent 883a2a31

include/trace/events/lock.h

+2 −2
Original line number Diff line number Diff line
@@ -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)

kernel/lockdep.c

+1 −1
Original line number Diff line number Diff line
@@ -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);