|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | /* | 
|  | * Events for filesystem locks | 
|  | * | 
|  | * Copyright 2013 Jeff Layton <[email protected]> | 
|  | */ | 
|  | #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=0x%p dev=0x%x:0x%x ino=0x%lx fl_blocker=0x%p fl_owner=0x%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=0x%p dev=0x%x:0x%x ino=0x%lx fl_blocker=0x%p fl_owner=0x%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, dcount) | 
|  | __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->dcount = d_count(fl->fl_file->f_path.dentry); | 
|  | __entry->icount = atomic_read(&inode->i_count); | 
|  | __entry->fl_owner = fl ? fl->fl_owner : NULL; | 
|  | __entry->fl_flags = fl ? fl->fl_flags : 0; | 
|  | __entry->fl_type = fl ? fl->fl_type : 0; | 
|  | ), | 
|  |  | 
|  | 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", | 
|  | MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | 
|  | __entry->i_ino, __entry->wcount, __entry->dcount, | 
|  | __entry->icount, __entry->fl_owner, | 
|  | show_fl_flags(__entry->fl_flags), | 
|  | show_fl_type(__entry->fl_type)) | 
|  | ); | 
|  |  | 
|  | #endif /* _TRACE_FILELOCK_H */ | 
|  |  | 
|  | /* This part must be outside protection */ | 
|  | #include <trace/define_trace.h> |