Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / trace / events / lock.h

diff --git a/kernel/include/trace/events/lock.h b/kernel/include/trace/events/lock.h
new file mode 100644 (file)
index 0000000..2821b86
--- /dev/null
+++ b/kernel/include/trace/events/lock.h
@@ -0,0 +1,86 @@
+#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>