Jeff Layton | 62af4f1 | 2014-05-09 14:13:05 -0400 | [diff] [blame] | 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 | |
Jeff Layton | 1890910 | 2016-01-06 21:26:10 -0500 | [diff] [blame] | 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 | |
Jeff Layton | 62af4f1 | 2014-05-09 14:13:05 -0400 | [diff] [blame] | 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( |
Jeff Layton | 0efaa7e | 2014-08-22 10:18:45 -0400 | [diff] [blame] | 133 | __entry->fl = fl ? fl : NULL; |
Jeff Layton | 62af4f1 | 2014-05-09 14:13:05 -0400 | [diff] [blame] | 134 | __entry->s_dev = inode->i_sb->s_dev; |
| 135 | __entry->i_ino = inode->i_ino; |
Jeff Layton | 0efaa7e | 2014-08-22 10:18:45 -0400 | [diff] [blame] | 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; |
Jeff Layton | 62af4f1 | 2014-05-09 14:13:05 -0400 | [diff] [blame] | 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 | |
Jeff Layton | 62af4f1 | 2014-05-09 14:13:05 -0400 | [diff] [blame] | 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 | |
Jeff Layton | d11797a | 2015-09-21 07:26:45 -0400 | [diff] [blame] | 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 | |
Jeff Layton | 62af4f1 | 2014-05-09 14:13:05 -0400 | [diff] [blame] | 202 | #endif /* _TRACE_FILELOCK_H */ |
| 203 | |
| 204 | /* This part must be outside protection */ |
| 205 | #include <trace/define_trace.h> |