linux/include/trace/lockdep.h

#ifndef _TRACE_LOCKDEP_H
#define _TRACE_LOCKDEP_H

#include <linux/lockdep.h>
#include <linux/tracepoint.h>

#include <trace/lockdep_event_types.h>

#endif
tracing: add lockdep tracepoints for lock acquire/release Augment the traces with lock names when lockdep is available: 1) \| down_read_trylock() { 1) \| _spin_lock_irqsave() { 1) \| /* lock_acquire: &sem->wait_lock / 1) 4.201 us \| } 1) \| _spin_unlock_irqrestore() { 1) \| / lock_release: &sem->wait_lock / 1) 3.523 us \| } 1) \| / lock_acquire: try read &mm->mmap_sem / 1) + 13.386 us \| } 1) 1.635 us \| find_vma(); 1) \| handle_mm_fault() { 1) \| __do_fault() { 1) \| filemap_fault() { 1) \| find_lock_page() { 1) \| find_get_page() { 1) \| / lock_acquire: read rcu_read_lock / 1) \| / lock_release: rcu_read_lock / 1) 5.697 us \| } 1) 8.158 us \| } 1) + 11.079 us \| } 1) \| _spin_lock() { 1) \| / lock_acquire: __pte_lockptr(page) / 1) 3.949 us \| } 1) 1.460 us \| page_add_file_rmap(); 1) \| _spin_unlock() { 1) \| / lock_release: __pte_lockptr(page) / 1) 3.115 us \| } 1) \| unlock_page() { 1) 1.421 us \| page_waitqueue(); 1) 1.220 us \| __wake_up_bit(); 1) 6.519 us \| } 1) + 34.328 us \| } 1) + 37.452 us \| } 1) \| up_read() { 1) \| / lock_release: &mm->mmap_sem / 1) \| _spin_lock_irqsave() { 1) \| / lock_acquire: &sem->wait_lock / 1) 3.865 us \| } 1) \| _spin_unlock_irqrestore() { 1) \| / lock_release: &sem->wait_lock */ 1) 8.562 us \| } 1) + 17.370 us \| } Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: =?ISO-8859-1?Q?T=F6r=F6k?= Edwin <edwintorok@gmail.com> Cc: Jason Baron <jbaron@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <1236166375.5330.7209.camel@laptop> Signed-off-by: Ingo Molnar <mingo@elte.hu> 2009-03-04 12:32:55 +01:00			`#ifndef _TRACE_LOCKDEP_H`
			`#define _TRACE_LOCKDEP_H`

			`#include <linux/lockdep.h>`
			`#include <linux/tracepoint.h>`

			`#include <trace/lockdep_event_types.h>`

			`#endif`