1 /* 2 * Events for filesystem locks 3 * 4 * Copyright 2013 Jeff Layton <jlayton@poochiereds.net> 5 */ 6 #undef TRACE_SYSTEM 7 #define TRACE_SYSTEM filelock 8 9 #if !defined(_TRACE_FILELOCK_H) || defined(TRACE_HEADER_MULTI_READ) 10 #define _TRACE_FILELOCK_H 11 12 #include <linux/tracepoint.h> 13 #include <linux/fs.h> 14 #include <linux/device.h> 15 #include <linux/kdev_t.h> 16 17 #define show_fl_flags(val) \ 18 __print_flags(val, "|", \ 19 { FL_POSIX, "FL_POSIX" }, \ 20 { FL_FLOCK, "FL_FLOCK" }, \ 21 { FL_DELEG, "FL_DELEG" }, \ 22 { FL_ACCESS, "FL_ACCESS" }, \ 23 { FL_EXISTS, "FL_EXISTS" }, \ 24 { FL_LEASE, "FL_LEASE" }, \ 25 { FL_CLOSE, "FL_CLOSE" }, \ 26 { FL_SLEEP, "FL_SLEEP" }, \ 27 { FL_DOWNGRADE_PENDING, "FL_DOWNGRADE_PENDING" }, \ 28 { FL_UNLOCK_PENDING, "FL_UNLOCK_PENDING" }, \ 29 { FL_OFDLCK, "FL_OFDLCK" }) 30 31 #define show_fl_type(val) \ 32 __print_symbolic(val, \ 33 { F_RDLCK, "F_RDLCK" }, \ 34 { F_WRLCK, "F_WRLCK" }, \ 35 { F_UNLCK, "F_UNLCK" }) 36 37 TRACE_EVENT(locks_get_lock_context, 38 TP_PROTO(struct inode *inode, int type, struct file_lock_context *ctx), 39 40 TP_ARGS(inode, type, ctx), 41 42 TP_STRUCT__entry( 43 __field(unsigned long, i_ino) 44 __field(dev_t, s_dev) 45 __field(unsigned char, type) 46 __field(struct file_lock_context *, ctx) 47 ), 48 49 TP_fast_assign( 50 __entry->s_dev = inode->i_sb->s_dev; 51 __entry->i_ino = inode->i_ino; 52 __entry->type = type; 53 __entry->ctx = ctx; 54 ), 55 56 TP_printk("dev=0x%x:0x%x ino=0x%lx type=%s ctx=%p", 57 MAJOR(__entry->s_dev), MINOR(__entry->s_dev), 58 __entry->i_ino, show_fl_type(__entry->type), __entry->ctx) 59 ); 60 61 DECLARE_EVENT_CLASS(filelock_lock, 62 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), 63 64 TP_ARGS(inode, fl, ret), 65 66 TP_STRUCT__entry( 67 __field(struct file_lock *, fl) 68 __field(unsigned long, i_ino) 69 __field(dev_t, s_dev) 70 __field(struct file_lock *, fl_next) 71 __field(fl_owner_t, fl_owner) 72 __field(unsigned int, fl_pid) 73 __field(unsigned int, fl_flags) 74 __field(unsigned char, fl_type) 75 __field(loff_t, fl_start) 76 __field(loff_t, fl_end) 77 __field(int, ret) 78 ), 79 80 TP_fast_assign( 81 __entry->fl = fl ? fl : NULL; 82 __entry->s_dev = inode->i_sb->s_dev; 83 __entry->i_ino = inode->i_ino; 84 __entry->fl_next = fl ? fl->fl_next : NULL; 85 __entry->fl_owner = fl ? fl->fl_owner : NULL; 86 __entry->fl_pid = fl ? fl->fl_pid : 0; 87 __entry->fl_flags = fl ? fl->fl_flags : 0; 88 __entry->fl_type = fl ? fl->fl_type : 0; 89 __entry->fl_start = fl ? fl->fl_start : 0; 90 __entry->fl_end = fl ? fl->fl_end : 0; 91 __entry->ret = ret; 92 ), 93 94 TP_printk("fl=0x%p dev=0x%x:0x%x ino=0x%lx fl_next=0x%p fl_owner=0x%p fl_pid=%u fl_flags=%s fl_type=%s fl_start=%lld fl_end=%lld ret=%d", 95 __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev), 96 __entry->i_ino, __entry->fl_next, __entry->fl_owner, 97 __entry->fl_pid, show_fl_flags(__entry->fl_flags), 98 show_fl_type(__entry->fl_type), 99 __entry->fl_start, __entry->fl_end, __entry->ret) 100 ); 101 102 DEFINE_EVENT(filelock_lock, posix_lock_inode, 103 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), 104 TP_ARGS(inode, fl, ret)); 105 106 DEFINE_EVENT(filelock_lock, fcntl_setlk, 107 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), 108 TP_ARGS(inode, fl, ret)); 109 110 DEFINE_EVENT(filelock_lock, locks_remove_posix, 111 TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), 112 TP_ARGS(inode, fl, ret)); 113 114 DECLARE_EVENT_CLASS(filelock_lease, 115 116 TP_PROTO(struct inode *inode, struct file_lock *fl), 117 118 TP_ARGS(inode, fl), 119 120 TP_STRUCT__entry( 121 __field(struct file_lock *, fl) 122 __field(unsigned long, i_ino) 123 __field(dev_t, s_dev) 124 __field(struct file_lock *, fl_next) 125 __field(fl_owner_t, fl_owner) 126 __field(unsigned int, fl_flags) 127 __field(unsigned char, fl_type) 128 __field(unsigned long, fl_break_time) 129 __field(unsigned long, fl_downgrade_time) 130 ), 131 132 TP_fast_assign( 133 __entry->fl = fl ? fl : NULL; 134 __entry->s_dev = inode->i_sb->s_dev; 135 __entry->i_ino = inode->i_ino; 136 __entry->fl_next = fl ? fl->fl_next : NULL; 137 __entry->fl_owner = fl ? fl->fl_owner : NULL; 138 __entry->fl_flags = fl ? fl->fl_flags : 0; 139 __entry->fl_type = fl ? fl->fl_type : 0; 140 __entry->fl_break_time = fl ? fl->fl_break_time : 0; 141 __entry->fl_downgrade_time = fl ? fl->fl_downgrade_time : 0; 142 ), 143 144 TP_printk("fl=0x%p dev=0x%x:0x%x ino=0x%lx fl_next=0x%p fl_owner=0x%p fl_flags=%s fl_type=%s fl_break_time=%lu fl_downgrade_time=%lu", 145 __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev), 146 __entry->i_ino, __entry->fl_next, __entry->fl_owner, 147 show_fl_flags(__entry->fl_flags), 148 show_fl_type(__entry->fl_type), 149 __entry->fl_break_time, __entry->fl_downgrade_time) 150 ); 151 152 DEFINE_EVENT(filelock_lease, break_lease_noblock, TP_PROTO(struct inode *inode, struct file_lock *fl), 153 TP_ARGS(inode, fl)); 154 155 DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, struct file_lock *fl), 156 TP_ARGS(inode, fl)); 157 158 DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lock *fl), 159 TP_ARGS(inode, fl)); 160 161 DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lock *fl), 162 TP_ARGS(inode, fl)); 163 164 DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lock *fl), 165 TP_ARGS(inode, fl)); 166 167 TRACE_EVENT(generic_add_lease, 168 TP_PROTO(struct inode *inode, struct file_lock *fl), 169 170 TP_ARGS(inode, fl), 171 172 TP_STRUCT__entry( 173 __field(unsigned long, i_ino) 174 __field(int, wcount) 175 __field(int, dcount) 176 __field(int, icount) 177 __field(dev_t, s_dev) 178 __field(fl_owner_t, fl_owner) 179 __field(unsigned int, fl_flags) 180 __field(unsigned char, fl_type) 181 ), 182 183 TP_fast_assign( 184 __entry->s_dev = inode->i_sb->s_dev; 185 __entry->i_ino = inode->i_ino; 186 __entry->wcount = atomic_read(&inode->i_writecount); 187 __entry->dcount = d_count(fl->fl_file->f_path.dentry); 188 __entry->icount = atomic_read(&inode->i_count); 189 __entry->fl_owner = fl ? fl->fl_owner : NULL; 190 __entry->fl_flags = fl ? fl->fl_flags : 0; 191 __entry->fl_type = fl ? fl->fl_type : 0; 192 ), 193 194 TP_printk("dev=0x%x:0x%x ino=0x%lx wcount=%d dcount=%d icount=%d fl_owner=0x%p fl_flags=%s fl_type=%s", 195 MAJOR(__entry->s_dev), MINOR(__entry->s_dev), 196 __entry->i_ino, __entry->wcount, __entry->dcount, 197 __entry->icount, __entry->fl_owner, 198 show_fl_flags(__entry->fl_flags), 199 show_fl_type(__entry->fl_type)) 200 ); 201 202 #endif /* _TRACE_FILELOCK_H */ 203 204 /* This part must be outside protection */ 205 #include <trace/define_trace.h> 206