Move c_src dirs back to toplevel

[bcachefs-tools-debian] / include / trace / events / lock.h

diff --git a/include/trace/events/lock.h b/include/trace/events/lock.h
new file mode 100644 (file)
index 0000000..9ebd081
--- /dev/null
+++ b/include/trace/events/lock.h
@@ -0,0 +1,144 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM lock
+
+#if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_LOCK_H
+
+#include <linux/sched.h>
+#include <linux/tracepoint.h>
+
+/* flags for lock:contention_begin */
+#define LCB_F_SPIN     (1U << 0)
+#define LCB_F_READ     (1U << 1)
+#define LCB_F_WRITE    (1U << 2)
+#define LCB_F_RT       (1U << 3)
+#define LCB_F_PERCPU   (1U << 4)
+#define LCB_F_MUTEX    (1U << 5)
+
+
+#ifdef CONFIG_LOCKDEP
+
+#include <linux/lockdep.h>
+
+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 /* CONFIG_LOCK_STAT */
+#endif /* CONFIG_LOCKDEP */
+
+TRACE_EVENT(contention_begin,
+
+       TP_PROTO(void *lock, unsigned int flags),
+
+       TP_ARGS(lock, flags),
+
+       TP_STRUCT__entry(
+               __field(void *, lock_addr)
+               __field(unsigned int, flags)
+       ),
+
+       TP_fast_assign(
+               __entry->lock_addr = lock;
+               __entry->flags = flags;
+       ),
+
+       TP_printk("%p (flags=%s)", __entry->lock_addr,
+                 __print_flags(__entry->flags, "|",
+                               { LCB_F_SPIN,           "SPIN" },
+                               { LCB_F_READ,           "READ" },
+                               { LCB_F_WRITE,          "WRITE" },
+                               { LCB_F_RT,             "RT" },
+                               { LCB_F_PERCPU,         "PERCPU" },
+                               { LCB_F_MUTEX,          "MUTEX" }
+                         ))
+);
+
+TRACE_EVENT(contention_end,
+
+       TP_PROTO(void *lock, int ret),
+
+       TP_ARGS(lock, ret),
+
+       TP_STRUCT__entry(
+               __field(void *, lock_addr)
+               __field(int, ret)
+       ),
+
+       TP_fast_assign(
+               __entry->lock_addr = lock;
+               __entry->ret = ret;
+       ),
+
+       TP_printk("%p (ret=%d)", __entry->lock_addr, __entry->ret)
+);
+
+#endif /* _TRACE_LOCK_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>