| /* 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" }) |
| |
| #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(unsigned long, i_ino) |
| __field(dev_t, s_dev) |
| __field(unsigned char, type) |
| __field(struct file_lock_context *, ctx) |
| ), |
| |
| 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%lx 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(struct file_lock *, fl) |
| __field(unsigned long, i_ino) |
| __field(dev_t, s_dev) |
| __field(struct file_lock *, fl_blocker) |
| __field(fl_owner_t, fl_owner) |
| __field(unsigned int, fl_pid) |
| __field(unsigned int, fl_flags) |
| __field(unsigned char, fl_type) |
| __field(loff_t, fl_start) |
| __field(loff_t, fl_end) |
| __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->fl_blocker = fl ? fl->fl_blocker : NULL; |
| __entry->fl_owner = fl ? fl->fl_owner : NULL; |
| __entry->fl_pid = fl ? fl->fl_pid : 0; |
| __entry->fl_flags = fl ? fl->fl_flags : 0; |
| __entry->fl_type = fl ? fl->fl_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%lx 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->fl_blocker, __entry->fl_owner, |
| __entry->fl_pid, show_fl_flags(__entry->fl_flags), |
| show_fl_type(__entry->fl_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)); |
| |
| DECLARE_EVENT_CLASS(filelock_lease, |
| TP_PROTO(struct inode *inode, struct file_lock *fl), |
| |
| TP_ARGS(inode, fl), |
| |
| TP_STRUCT__entry( |
| __field(struct file_lock *, fl) |
| __field(unsigned long, i_ino) |
| __field(dev_t, s_dev) |
| __field(struct file_lock *, fl_blocker) |
| __field(fl_owner_t, fl_owner) |
| __field(unsigned int, fl_flags) |
| __field(unsigned char, fl_type) |
| __field(unsigned long, fl_break_time) |
| __field(unsigned long, fl_downgrade_time) |
| ), |
| |
| TP_fast_assign( |
| __entry->fl = fl ? fl : NULL; |
| __entry->s_dev = inode->i_sb->s_dev; |
| __entry->i_ino = inode->i_ino; |
| __entry->fl_blocker = fl ? fl->fl_blocker : NULL; |
| __entry->fl_owner = fl ? fl->fl_owner : NULL; |
| __entry->fl_flags = fl ? fl->fl_flags : 0; |
| __entry->fl_type = fl ? fl->fl_type : 0; |
| __entry->fl_break_time = fl ? fl->fl_break_time : 0; |
| __entry->fl_downgrade_time = fl ? fl->fl_downgrade_time : 0; |
| ), |
| |
| TP_printk("fl=%p dev=0x%x:0x%x ino=0x%lx 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->fl_blocker, __entry->fl_owner, |
| show_fl_flags(__entry->fl_flags), |
| show_fl_type(__entry->fl_type), |
| __entry->fl_break_time, __entry->fl_downgrade_time) |
| ); |
| |
| DEFINE_EVENT(filelock_lease, break_lease_noblock, TP_PROTO(struct inode *inode, struct file_lock *fl), |
| TP_ARGS(inode, fl)); |
| |
| DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, struct file_lock *fl), |
| TP_ARGS(inode, fl)); |
| |
| DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lock *fl), |
| TP_ARGS(inode, fl)); |
| |
| DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lock *fl), |
| TP_ARGS(inode, fl)); |
| |
| DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lock *fl), |
| TP_ARGS(inode, fl)); |
| |
| TRACE_EVENT(generic_add_lease, |
| TP_PROTO(struct inode *inode, struct file_lock *fl), |
| |
| TP_ARGS(inode, fl), |
| |
| TP_STRUCT__entry( |
| __field(unsigned long, i_ino) |
| __field(int, wcount) |
| __field(int, rcount) |
| __field(int, icount) |
| __field(dev_t, s_dev) |
| __field(fl_owner_t, fl_owner) |
| __field(unsigned int, fl_flags) |
| __field(unsigned char, fl_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 = atomic_read(&inode->i_count); |
| __entry->fl_owner = fl->fl_owner; |
| __entry->fl_flags = fl->fl_flags; |
| __entry->fl_type = fl->fl_type; |
| ), |
| |
| TP_printk("dev=0x%x:0x%x ino=0x%lx 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->fl_owner, |
| show_fl_flags(__entry->fl_flags), |
| show_fl_type(__entry->fl_type)) |
| ); |
| |
| TRACE_EVENT(leases_conflict, |
| TP_PROTO(bool conflict, struct file_lock *lease, struct file_lock *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->fl_flags; |
| __entry->l_fl_type = lease->fl_type; |
| __entry->breaker = breaker; |
| __entry->b_fl_flags = breaker->fl_flags; |
| __entry->b_fl_type = breaker->fl_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> |
