Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
tree: d0b6e04a4c
Fetching contributors…

Cannot retrieve contributors at this time

97 lines (68 sloc) 1.979 kB
#undef TRACE_SYSTEM
#define TRACE_SYSTEM lockdep
#if !defined(_TRACE_LOCKDEP_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_LOCKDEP_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)
),
TP_fast_assign(
__entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0);
__assign_str(name, lock->name);
),
TP_printk("%s%s%s", (__entry->flags & 1) ? "try " : "",
(__entry->flags & 2) ? "read " : "",
__get_str(name))
);
TRACE_EVENT(lock_release,
TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
TP_ARGS(lock, nested, ip),
TP_STRUCT__entry(
__string(name, lock->name)
),
TP_fast_assign(
__assign_str(name, lock->name);
),
TP_printk("%s", __get_str(name))
);
#ifdef CONFIG_LOCK_STAT
TRACE_EVENT(lock_contended,
TP_PROTO(struct lockdep_map *lock, unsigned long ip),
TP_ARGS(lock, ip),
TP_STRUCT__entry(
__string(name, lock->name)
),
TP_fast_assign(
__assign_str(name, lock->name);
),
TP_printk("%s", __get_str(name))
);
TRACE_EVENT(lock_acquired,
TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
TP_ARGS(lock, ip, waittime),
TP_STRUCT__entry(
__string(name, lock->name)
__field(unsigned long, wait_usec)
__field(unsigned long, wait_nsec_rem)
),
TP_fast_assign(
__assign_str(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)", __get_str(name), __entry->wait_usec,
__entry->wait_nsec_rem)
);
#endif
#endif
#endif /* _TRACE_LOCKDEP_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
Jump to Line
Something went wrong with that request. Please try again.