Release 4.12 include/trace/events/lock.h

#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>
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Steven Rostedt
81
50.00%
3
33.33%
Frédéric Weisbecker
59
36.42%
3
33.33%
Peter Zijlstra
10
6.17%
1
11.11%
Li Zefan
6
3.70%
1
11.11%
Hitoshi Mitake
6
3.70%
1
11.11%
Total
162
100.00%
9
100.00%
Directory: include/trace/events

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.