1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #undef TRACE_SYSTEM 3*4882a593Smuzhiyun #define TRACE_SYSTEM lock 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ) 6*4882a593Smuzhiyun #define _TRACE_LOCK_H 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <linux/lockdep.h> 9*4882a593Smuzhiyun #include <linux/tracepoint.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifdef CONFIG_LOCKDEP 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun TRACE_EVENT(lock_acquire, 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun TP_PROTO(struct lockdep_map *lock, unsigned int subclass, 16*4882a593Smuzhiyun int trylock, int read, int check, 17*4882a593Smuzhiyun struct lockdep_map *next_lock, unsigned long ip), 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip), 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun TP_STRUCT__entry( 22*4882a593Smuzhiyun __field(unsigned int, flags) 23*4882a593Smuzhiyun __string(name, lock->name) 24*4882a593Smuzhiyun __field(void *, lockdep_addr) 25*4882a593Smuzhiyun ), 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun TP_fast_assign( 28*4882a593Smuzhiyun __entry->flags = (trylock ? 1 : 0) | (read ? 2 : 0); 29*4882a593Smuzhiyun __assign_str(name, lock->name); 30*4882a593Smuzhiyun __entry->lockdep_addr = lock; 31*4882a593Smuzhiyun ), 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun TP_printk("%p %s%s%s", __entry->lockdep_addr, 34*4882a593Smuzhiyun (__entry->flags & 1) ? "try " : "", 35*4882a593Smuzhiyun (__entry->flags & 2) ? "read " : "", 36*4882a593Smuzhiyun __get_str(name)) 37*4882a593Smuzhiyun ); 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun DECLARE_EVENT_CLASS(lock, 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun TP_PROTO(struct lockdep_map *lock, unsigned long ip), 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun TP_ARGS(lock, ip), 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun TP_STRUCT__entry( 46*4882a593Smuzhiyun __string( name, lock->name ) 47*4882a593Smuzhiyun __field( void *, lockdep_addr ) 48*4882a593Smuzhiyun ), 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun TP_fast_assign( 51*4882a593Smuzhiyun __assign_str(name, lock->name); 52*4882a593Smuzhiyun __entry->lockdep_addr = lock; 53*4882a593Smuzhiyun ), 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun TP_printk("%p %s", __entry->lockdep_addr, __get_str(name)) 56*4882a593Smuzhiyun ); 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun DEFINE_EVENT(lock, lock_release, 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun TP_PROTO(struct lockdep_map *lock, unsigned long ip), 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun TP_ARGS(lock, ip) 63*4882a593Smuzhiyun ); 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun #ifdef CONFIG_LOCK_STAT 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun DEFINE_EVENT(lock, lock_contended, 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun TP_PROTO(struct lockdep_map *lock, unsigned long ip), 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun TP_ARGS(lock, ip) 72*4882a593Smuzhiyun ); 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun DEFINE_EVENT(lock, lock_acquired, 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun TP_PROTO(struct lockdep_map *lock, unsigned long ip), 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun TP_ARGS(lock, ip) 79*4882a593Smuzhiyun ); 80*4882a593Smuzhiyun 81*4882a593Smuzhiyun #endif 82*4882a593Smuzhiyun #endif 83*4882a593Smuzhiyun 84*4882a593Smuzhiyun #endif /* _TRACE_LOCK_H */ 85*4882a593Smuzhiyun 86*4882a593Smuzhiyun /* This part must be outside protection */ 87*4882a593Smuzhiyun #include <trace/define_trace.h> 88