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lockstat: hook into spinlock_t, rwlock_t, rwsem and mutex

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Call the new lockstat tracking functions from the various lock primitives.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Peter Zijlstra
2007-07-19 01:48:58 -07:00
committed by Linus Torvalds
parent c46261de0d
commit 4fe87745a6
3 changed files with 26 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel/spinlock.c
+14 -14
View File
@@ -72,7 +72,7 @@ void __lockfunc _read_lock(rwlock_t *lock)
{
preempt_disable();
rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
_raw_read_lock(lock);
LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
}
EXPORT_SYMBOL(_read_lock);
@@ -89,7 +89,7 @@ unsigned long __lockfunc _spin_lock_irqsave(spinlock_t *lock)
* that interrupts are not re-enabled during lock-acquire:
*/
#ifdef CONFIG_LOCKDEP
_raw_spin_lock(lock);
LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
#else
_raw_spin_lock_flags(lock, &flags);
#endif
@@ -102,7 +102,7 @@ void __lockfunc _spin_lock_irq(spinlock_t *lock)
local_irq_disable();
preempt_disable();
spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
_raw_spin_lock(lock);
LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
}
EXPORT_SYMBOL(_spin_lock_irq);
@@ -111,7 +111,7 @@ void __lockfunc _spin_lock_bh(spinlock_t *lock)
local_bh_disable();
preempt_disable();
spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
_raw_spin_lock(lock);
LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
}
EXPORT_SYMBOL(_spin_lock_bh);
@@ -122,7 +122,7 @@ unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock)
local_irq_save(flags);
preempt_disable();
rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
_raw_read_lock(lock);
LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
return flags;
}
EXPORT_SYMBOL(_read_lock_irqsave);
@@ -132,7 +132,7 @@ void __lockfunc _read_lock_irq(rwlock_t *lock)
local_irq_disable();
preempt_disable();
rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
_raw_read_lock(lock);
LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
}
EXPORT_SYMBOL(_read_lock_irq);
@@ -141,7 +141,7 @@ void __lockfunc _read_lock_bh(rwlock_t *lock)
local_bh_disable();
preempt_disable();
rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
_raw_read_lock(lock);
LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
}
EXPORT_SYMBOL(_read_lock_bh);
@@ -152,7 +152,7 @@ unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock)
local_irq_save(flags);
preempt_disable();
rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
_raw_write_lock(lock);
LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
return flags;
}
EXPORT_SYMBOL(_write_lock_irqsave);
@@ -162,7 +162,7 @@ void __lockfunc _write_lock_irq(rwlock_t *lock)
local_irq_disable();
preempt_disable();
rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
_raw_write_lock(lock);
LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
}
EXPORT_SYMBOL(_write_lock_irq);
@@ -171,7 +171,7 @@ void __lockfunc _write_lock_bh(rwlock_t *lock)
local_bh_disable();
preempt_disable();
rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
_raw_write_lock(lock);
LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
}
EXPORT_SYMBOL(_write_lock_bh);
@@ -179,7 +179,7 @@ void __lockfunc _spin_lock(spinlock_t *lock)
{
preempt_disable();
spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
_raw_spin_lock(lock);
LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
}
EXPORT_SYMBOL(_spin_lock);
@@ -188,7 +188,7 @@ void __lockfunc _write_lock(rwlock_t *lock)
{
preempt_disable();
rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
_raw_write_lock(lock);
LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
}
EXPORT_SYMBOL(_write_lock);
@@ -289,7 +289,7 @@ void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass)
{
preempt_disable();
spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_);
_raw_spin_lock(lock);
LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
}
EXPORT_SYMBOL(_spin_lock_nested);
@@ -306,7 +306,7 @@ unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclas
* that interrupts are not re-enabled during lock-acquire:
*/
#ifdef CONFIG_LOCKDEP
_raw_spin_lock(lock);
LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
#else
_raw_spin_lock_flags(lock, &flags);
#endif