diff options
Diffstat (limited to 'include/trace/events/filelock.h')
| -rw-r--r-- | include/trace/events/filelock.h | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/include/trace/events/filelock.h b/include/trace/events/filelock.h new file mode 100644 index 000000000..f11284be0 --- /dev/null +++ b/include/trace/events/filelock.h @@ -0,0 +1,281 @@ +/* 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> |