88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM lock
|
|
|
|
#if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _TRACE_LOCK_H
|
|
|
|
#include <linux/lockdep.h>
|
|
#include <linux/tracepoint.h>
|
|
|
|
#ifdef CONFIG_LOCKDEP
|
|
|
|
TRACE_EVENT(lock_acquire,
|
|
|
|
TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
|
|
int trylock, int read, int check,
|
|
struct lockdep_map *next_lock, unsigned long ip),
|
|
|
|
TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(unsigned int, flags)
|
|
__string(name, lock->name)
|
|
__field(void *, lockdep_addr)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0);
|
|
__assign_str(name, lock->name);
|
|
__entry->lockdep_addr = lock;
|
|
),
|
|
|
|
TP_printk("%p %s%s%s", __entry->lockdep_addr,
|
|
(__entry->flags & 1) ? "try " : "",
|
|
(__entry->flags & 2) ? "read " : "",
|
|
__get_str(name))
|
|
);
|
|
|
|
DECLARE_EVENT_CLASS(lock,
|
|
|
|
TP_PROTO(struct lockdep_map *lock, unsigned long ip),
|
|
|
|
TP_ARGS(lock, ip),
|
|
|
|
TP_STRUCT__entry(
|
|
__string( name, lock->name )
|
|
__field( void *, lockdep_addr )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__assign_str(name, lock->name);
|
|
__entry->lockdep_addr = lock;
|
|
),
|
|
|
|
TP_printk("%p %s", __entry->lockdep_addr, __get_str(name))
|
|
);
|
|
|
|
DEFINE_EVENT(lock, lock_release,
|
|
|
|
TP_PROTO(struct lockdep_map *lock, unsigned long ip),
|
|
|
|
TP_ARGS(lock, ip)
|
|
);
|
|
|
|
#ifdef CONFIG_LOCK_STAT
|
|
|
|
DEFINE_EVENT(lock, lock_contended,
|
|
|
|
TP_PROTO(struct lockdep_map *lock, unsigned long ip),
|
|
|
|
TP_ARGS(lock, ip)
|
|
);
|
|
|
|
DEFINE_EVENT(lock, lock_acquired,
|
|
|
|
TP_PROTO(struct lockdep_map *lock, unsigned long ip),
|
|
|
|
TP_ARGS(lock, ip)
|
|
);
|
|
|
|
#endif
|
|
#endif
|
|
|
|
#endif /* _TRACE_LOCK_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|