| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Events for filesystem locks | |
| * | |
| * Copyright 2013 Jeff Layton <jlayton@poochiereds.net> | |
| */ | |
| #undef TRACE_SYSTEM | |
| #define TRACE_SYSTEM filelock | |
| #if !defined(_TRACE_FILELOCK_H) || defined(TRACE_HEADER_MULTI_READ) | |
| #define _TRACE_FILELOCK_H | |
| #include <linux/tracepoint.h> | |
| #include <linux/fs.h> | |
| #include <linux/device.h> | |
| #include <linux/kdev_t.h> | |
| #define show_fl_flags(val) \ | |
| __print_flags(val, "|", \ | |
| { FL_POSIX, "FL_POSIX" }, \ | |
| { FL_FLOCK, "FL_FLOCK" }, \ | |
| { FL_DELEG, "FL_DELEG" }, \ | |
| { FL_ACCESS, "FL_ACCESS" }, \ | |
| { FL_EXISTS, "FL_EXISTS" }, \ | |
| { FL_LEASE, "FL_LEASE" }, \ | |
| { FL_CLOSE, "FL_CLOSE" }, \ | |
| { FL_SLEEP, "FL_SLEEP" }, \ | |
| { FL_DOWNGRADE_PENDING, "FL_DOWNGRADE_PENDING" }, \ | |
| { FL_UNLOCK_PENDING, "FL_UNLOCK_PENDING" }, \ | |
| { FL_OFDLCK, "FL_OFDLCK" }, \ | |
| { FL_RECLAIM, "FL_RECLAIM" }, \ | |
| { FL_IGN_DIR_CREATE, "FL_IGN_DIR_CREATE" }, \ | |
| { FL_IGN_DIR_DELETE, "FL_IGN_DIR_DELETE" }, \ | |
| { FL_IGN_DIR_RENAME, "FL_IGN_DIR_RENAME" }) | |
| #define show_fl_type(val) \ | |
| __print_symbolic(val, \ | |
| { F_RDLCK, "F_RDLCK" }, \ | |
| { F_WRLCK, "F_WRLCK" }, \ | |
| { F_UNLCK, "F_UNLCK" }) | |
| TRACE_EVENT(locks_get_lock_context, | |
| TP_PROTO(struct inode *inode, int type, struct file_lock_context *ctx), | |
| TP_ARGS(inode, type, ctx), | |
| TP_STRUCT__entry( | |
| __field(u64, i_ino) | |
| __field(struct file_lock_context *, ctx) | |
| __field(dev_t, s_dev) | |
| __field(unsigned char, type) | |
| ), | |
| TP_fast_assign( | |
| __entry->s_dev = inode->i_sb->s_dev; | |
| __entry->i_ino = inode->i_ino; | |
| __entry->type = type; | |
| __entry->ctx = ctx; | |
| ), | |
| TP_printk("dev=0x%x:0x%x ino=0x%llx type=%s ctx=%p", | |
| MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | |
| __entry->i_ino, show_fl_type(__entry->type), __entry->ctx) | |
| ); | |
| DECLARE_EVENT_CLASS(filelock_lock, | |
| TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), | |
| TP_ARGS(inode, fl, ret), | |
| TP_STRUCT__entry( | |
| __field(u64, i_ino) | |
| __field(loff_t, fl_start) | |
| __field(loff_t, fl_end) | |
| __field(struct file_lock *, fl) | |
| __field(struct file_lock_core *, blocker) | |
| __field(fl_owner_t, owner) | |
| __field(dev_t, s_dev) | |
| __field(unsigned int, pid) | |
| __field(unsigned int, flags) | |
| __field(unsigned char, type) | |
| __field(int, ret) | |
| ), | |
| TP_fast_assign( | |
| __entry->fl = fl ? fl : NULL; | |
| __entry->s_dev = inode->i_sb->s_dev; | |
| __entry->i_ino = inode->i_ino; | |
| __entry->blocker = fl ? fl->c.flc_blocker : NULL; | |
| __entry->owner = fl ? fl->c.flc_owner : NULL; | |
| __entry->pid = fl ? fl->c.flc_pid : 0; | |
| __entry->flags = fl ? fl->c.flc_flags : 0; | |
| __entry->type = fl ? fl->c.flc_type : 0; | |
| __entry->fl_start = fl ? fl->fl_start : 0; | |
| __entry->fl_end = fl ? fl->fl_end : 0; | |
| __entry->ret = ret; | |
| ), | |
| TP_printk("fl=%p dev=0x%x:0x%x ino=0x%llx fl_blocker=%p fl_owner=%p fl_pid=%u fl_flags=%s fl_type=%s fl_start=%lld fl_end=%lld ret=%d", | |
| __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | |
| __entry->i_ino, __entry->blocker, __entry->owner, | |
| __entry->pid, show_fl_flags(__entry->flags), | |
| show_fl_type(__entry->type), | |
| __entry->fl_start, __entry->fl_end, __entry->ret) | |
| ); | |
| DEFINE_EVENT(filelock_lock, posix_lock_inode, | |
| TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), | |
| TP_ARGS(inode, fl, ret)); | |
| DEFINE_EVENT(filelock_lock, fcntl_setlk, | |
| TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), | |
| TP_ARGS(inode, fl, ret)); | |
| DEFINE_EVENT(filelock_lock, locks_remove_posix, | |
| TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), | |
| TP_ARGS(inode, fl, ret)); | |
| DEFINE_EVENT(filelock_lock, flock_lock_inode, | |
| TP_PROTO(struct inode *inode, struct file_lock *fl, int ret), | |
| TP_ARGS(inode, fl, ret)); | |
| #define show_lease_break_flags(val) \ | |
| __print_flags(val, "|", \ | |
| { LEASE_BREAK_LEASE, "LEASE" }, \ | |
| { LEASE_BREAK_DELEG, "DELEG" }, \ | |
| { LEASE_BREAK_LAYOUT, "LAYOUT" }, \ | |
| { LEASE_BREAK_NONBLOCK, "NONBLOCK" }, \ | |
| { LEASE_BREAK_OPEN_RDONLY, "OPEN_RDONLY" }, \ | |
| { LEASE_BREAK_DIR_CREATE, "DIR_CREATE" }, \ | |
| { LEASE_BREAK_DIR_DELETE, "DIR_DELETE" }, \ | |
| { LEASE_BREAK_DIR_RENAME, "DIR_RENAME" }) | |
| TRACE_EVENT(break_lease, | |
| TP_PROTO(struct inode *inode, unsigned int flags), | |
| TP_ARGS(inode, flags), | |
| TP_STRUCT__entry( | |
| __field(unsigned long, i_ino) | |
| __field(dev_t, s_dev) | |
| __field(unsigned int, flags) | |
| ), | |
| TP_fast_assign( | |
| __entry->s_dev = inode->i_sb->s_dev; | |
| __entry->i_ino = inode->i_ino; | |
| __entry->flags = flags; | |
| ), | |
| TP_printk("dev=0x%x:0x%x ino=0x%lx flags=%s", | |
| MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | |
| __entry->i_ino, show_lease_break_flags(__entry->flags)) | |
| ); | |
| DECLARE_EVENT_CLASS(filelock_lease, | |
| TP_PROTO(struct inode *inode, struct file_lease *fl), | |
| TP_ARGS(inode, fl), | |
| TP_STRUCT__entry( | |
| __field(u64, i_ino) | |
| __field(struct file_lease *, fl) | |
| __field(struct file_lock_core *, blocker) | |
| __field(fl_owner_t, owner) | |
| __field(unsigned long, break_time) | |
| __field(unsigned long, downgrade_time) | |
| __field(dev_t, s_dev) | |
| __field(unsigned int, flags) | |
| __field(unsigned char, type) | |
| ), | |
| TP_fast_assign( | |
| __entry->fl = fl ? fl : NULL; | |
| __entry->s_dev = inode->i_sb->s_dev; | |
| __entry->i_ino = inode->i_ino; | |
| __entry->blocker = fl ? fl->c.flc_blocker : NULL; | |
| __entry->owner = fl ? fl->c.flc_owner : NULL; | |
| __entry->flags = fl ? fl->c.flc_flags : 0; | |
| __entry->type = fl ? fl->c.flc_type : 0; | |
| __entry->break_time = fl ? fl->fl_break_time : 0; | |
| __entry->downgrade_time = fl ? fl->fl_downgrade_time : 0; | |
| ), | |
| TP_printk("fl=%p dev=0x%x:0x%x ino=0x%llx fl_blocker=%p fl_owner=%p fl_flags=%s fl_type=%s fl_break_time=%lu fl_downgrade_time=%lu", | |
| __entry->fl, MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | |
| __entry->i_ino, __entry->blocker, __entry->owner, | |
| show_fl_flags(__entry->flags), | |
| show_fl_type(__entry->type), | |
| __entry->break_time, __entry->downgrade_time) | |
| ); | |
| DEFINE_EVENT(filelock_lease, break_lease_noblock, TP_PROTO(struct inode *inode, struct file_lease *fl), | |
| TP_ARGS(inode, fl)); | |
| DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, struct file_lease *fl), | |
| TP_ARGS(inode, fl)); | |
| DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lease *fl), | |
| TP_ARGS(inode, fl)); | |
| DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lease *fl), | |
| TP_ARGS(inode, fl)); | |
| DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lease *fl), | |
| TP_ARGS(inode, fl)); | |
| TRACE_EVENT(generic_add_lease, | |
| TP_PROTO(struct inode *inode, struct file_lease *fl), | |
| TP_ARGS(inode, fl), | |
| TP_STRUCT__entry( | |
| __field(u64, i_ino) | |
| __field(fl_owner_t, owner) | |
| __field(dev_t, s_dev) | |
| __field(int, wcount) | |
| __field(int, rcount) | |
| __field(int, icount) | |
| __field(unsigned int, flags) | |
| __field(unsigned char, type) | |
| ), | |
| TP_fast_assign( | |
| __entry->s_dev = inode->i_sb->s_dev; | |
| __entry->i_ino = inode->i_ino; | |
| __entry->wcount = atomic_read(&inode->i_writecount); | |
| __entry->rcount = atomic_read(&inode->i_readcount); | |
| __entry->icount = icount_read_once(inode); | |
| __entry->owner = fl->c.flc_owner; | |
| __entry->flags = fl->c.flc_flags; | |
| __entry->type = fl->c.flc_type; | |
| ), | |
| TP_printk("dev=0x%x:0x%x ino=0x%llx wcount=%d rcount=%d icount=%d fl_owner=%p fl_flags=%s fl_type=%s", | |
| MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | |
| __entry->i_ino, __entry->wcount, __entry->rcount, | |
| __entry->icount, __entry->owner, | |
| show_fl_flags(__entry->flags), | |
| show_fl_type(__entry->type)) | |
| ); | |
| TRACE_EVENT(leases_conflict, | |
| TP_PROTO(bool conflict, struct file_lease *lease, struct file_lease *breaker), | |
| TP_ARGS(conflict, lease, breaker), | |
| TP_STRUCT__entry( | |
| __field(void *, lease) | |
| __field(void *, breaker) | |
| __field(unsigned int, l_fl_flags) | |
| __field(unsigned int, b_fl_flags) | |
| __field(unsigned char, l_fl_type) | |
| __field(unsigned char, b_fl_type) | |
| __field(bool, conflict) | |
| ), | |
| TP_fast_assign( | |
| __entry->lease = lease; | |
| __entry->l_fl_flags = lease->c.flc_flags; | |
| __entry->l_fl_type = lease->c.flc_type; | |
| __entry->breaker = breaker; | |
| __entry->b_fl_flags = breaker->c.flc_flags; | |
| __entry->b_fl_type = breaker->c.flc_type; | |
| __entry->conflict = conflict; | |
| ), | |
| TP_printk("conflict %d: lease=%p fl_flags=%s fl_type=%s; breaker=%p fl_flags=%s fl_type=%s", | |
| __entry->conflict, | |
| __entry->lease, | |
| show_fl_flags(__entry->l_fl_flags), | |
| show_fl_type(__entry->l_fl_type), | |
| __entry->breaker, | |
| show_fl_flags(__entry->b_fl_flags), | |
| show_fl_type(__entry->b_fl_type)) | |
| ); | |
| #endif /* _TRACE_FILELOCK_H */ | |
| /* This part must be outside protection */ | |
| #include <trace/define_trace.h> |