diff options
author | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-06-13 21:49:12 +0300 |
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committer | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-06-13 21:49:12 +0300 |
commit | fe377e8fb3f67d66590e41e99cd6e207d585f7dd (patch) | |
tree | aef88767bd67100120fce449f9b21da433865969 /include/trace/events/lockdep.h | |
parent | 946524efb4912687b6e02e831b5fbedc4c9395c0 (diff) | |
parent | f3ad116588151b3371ae4e092290e4f48e62b8bb (diff) |
Merge commit 'linus/master' into topic/slqb/core
Conflicts:
lib/Kconfig.debug
Diffstat (limited to 'include/trace/events/lockdep.h')
-rw-r--r-- | include/trace/events/lockdep.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/include/trace/events/lockdep.h b/include/trace/events/lockdep.h new file mode 100644 index 000000000000..0e956c9dfd7e --- /dev/null +++ b/include/trace/events/lockdep.h @@ -0,0 +1,96 @@ +#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 lockdep + +#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> |