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#if !defined(_TRACE_LOCKDEP_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_LOCKDEP_H
#include <linux/lockdep.h>
#include <linux/tracepoint.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM lock
#ifdef CONFIG_LOCKDEP
TRACE_FORMAT(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_FMT("%s%s%s", trylock ? "try " : "",
read ? "read " : "", lock->name)
);
TRACE_FORMAT(lock_release,
TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
TP_ARGS(lock, nested, ip),
TP_FMT("%s", lock->name)
);
#ifdef CONFIG_LOCK_STAT
TRACE_FORMAT(lock_contended,
TP_PROTO(struct lockdep_map *lock, unsigned long ip),
TP_ARGS(lock, ip),
TP_FMT("%s", lock->name)
);
TRACE_EVENT(lock_acquired,
TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
TP_ARGS(lock, ip, waittime),
TP_STRUCT__entry(
__field(const char *, name)
__field(unsigned long, wait_usec)
__field(unsigned long, wait_nsec_rem)
),
TP_fast_assign(
__entry->name = lock->name;
__entry->wait_nsec_rem = do_div(waittime, NSEC_PER_USEC);
__entry->wait_usec = (unsigned long) waittime;
),
TP_printk("%s (%lu.%03lu us)", __entry->name, __entry->wait_usec,
__entry->wait_nsec_rem)
);
#endif
#endif
#endif /* _TRACE_LOCKDEP_H */
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