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authorSteven Rostedt <srostedt@redhat.com>2009-04-14 19:39:12 -0400
committerSteven Rostedt <rostedt@goodmis.org>2009-04-14 22:05:43 -0400
commitad8d75fff811a6a230f7f43b05a6483099349533 (patch)
tree764f75c0785b29067b141719b6e8000f005da7fd /include/trace/events/lockdep.h
parentecda8ae02a08ef065ff387f5cb2a2d4999da2408 (diff)
tracing/events: move trace point headers into include/trace/events
Impact: clean up Create a sub directory in include/trace called events to keep the trace point headers in their own separate directory. Only headers that declare trace points should be defined in this directory. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: Zhao Lei <zhaolei@cn.fujitsu.com> Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include/trace/events/lockdep.h')
-rw-r--r--include/trace/events/lockdep.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/include/trace/events/lockdep.h b/include/trace/events/lockdep.h
new file mode 100644
index 00000000000..45e326b5c7f
--- /dev/null
+++ b/include/trace/events/lockdep.h
@@ -0,0 +1,60 @@
+#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_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 */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>