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linux/include/trace/events/filelock.h
Ira Weiny d51f527f44 locks: Add trace_leases_conflict 
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
2019-06-19 08:49:37 -04:00

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7.4 KiB
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/* 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=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))
);
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=0x%p fl_flags=%s fl_type=%s; breaker=0x%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>
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