/* 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/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);		__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);		__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)); /* kernel/locking/mutex.c */int arch_contended_release_trace_reg(void);void arch_contended_release_trace_unreg(void); TRACE_EVENT_FN(contended_release, 	TP_PROTO(void *lock), 	TP_ARGS(lock), 	TP_STRUCT__entry(		__field(void *, lock_addr)	), 	TP_fast_assign(		__entry->lock_addr = lock;	), 	TP_printk("%p", __entry->lock_addr), 	arch_contended_release_trace_reg, arch_contended_release_trace_unreg); #endif /* _TRACE_LOCK_H */ /* This part must be outside protection */#include <trace/define_trace.h>