[mirror_zfs.git] / include / sys / trace_zrlock.h

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS)

#undef TRACE_SYSTEM
#define	TRACE_SYSTEM zfs

#undef TRACE_SYSTEM_VAR
#define	TRACE_SYSTEM_VAR zfs_zrlock

#if !defined(_TRACE_ZRLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
#define	_TRACE_ZRLOCK_H

#include <linux/tracepoint.h>
#include <sys/types.h>

/*
 * Generic support for two argument tracepoints of the form:
 *
 * DTRACE_PROBE2(...,
 *     zrlock_t *, ...,
 *     uint32_t, ...);
 */
/* BEGIN CSTYLED */
DECLARE_EVENT_CLASS(zfs_zrlock_class,
	TP_PROTO(zrlock_t *zrl, kthread_t *owner, uint32_t n),
	TP_ARGS(zrl, owner, n),
	TP_STRUCT__entry(
	    __field(int32_t,		refcount)
#ifdef	ZFS_DEBUG
	    __field(pid_t,		owner_pid)
	    __field(const char *,	caller)
#endif
	    __field(uint32_t,		n)
	),
	TP_fast_assign(
	    __entry->refcount	= zrl->zr_refcount;
#ifdef	ZFS_DEBUG
	    __entry->owner_pid	= owner ? owner->pid : 0;
	    __entry->caller = zrl->zr_caller ? zrl->zr_caller : "(null)";
#endif
	    __entry->n		= n;
	),
#ifdef	ZFS_DEBUG
	TP_printk("zrl { refcount %d owner_pid %d caller %s } n %u",
	    __entry->refcount, __entry->owner_pid, __entry->caller,
	    __entry->n)
#else
	TP_printk("zrl { refcount %d } n %u",
	    __entry->refcount, __entry->n)
#endif
);
/* END_CSTYLED */

#define	DEFINE_ZRLOCK_EVENT(name) \
DEFINE_EVENT(zfs_zrlock_class, name, \
	TP_PROTO(zrlock_t *zrl, kthread_t *owner, uint32_t n), \
	TP_ARGS(zrl, owner, n))
DEFINE_ZRLOCK_EVENT(zfs_zrlock__reentry);

#endif /* _TRACE_ZRLOCK_H */

#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define	TRACE_INCLUDE_PATH sys
#define	TRACE_INCLUDE_FILE trace_zrlock
#include <trace/define_trace.h>

#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */
Commit	Line	Data
49ee64e5 NB	1	/*
	2	* CDDL HEADER START
	3	*
	4	* The contents of this file are subject to the terms of the
	5	* Common Development and Distribution License (the "License").
	6	* You may not use this file except in compliance with the License.
	7	*
	8	* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
	9	* or http://www.opensolaris.org/os/licensing.
	10	* See the License for the specific language governing permissions
	11	* and limitations under the License.
	12	*
	13	* When distributing Covered Code, include this CDDL HEADER in each
	14	* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
	15	* If applicable, add the following below this CDDL HEADER, with the
	16	* fields enclosed by brackets "[]" replaced with your own identifying
	17	* information: Portions Copyright [yyyy] [name of copyright owner]
	18	*
	19	* CDDL HEADER END
	20	*/
	21
	22	#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS)
	23
	24	#undef TRACE_SYSTEM
	25	#define TRACE_SYSTEM zfs
	26
c1718e95 FV	27	#undef TRACE_SYSTEM_VAR
	28	#define TRACE_SYSTEM_VAR zfs_zrlock
	29
49ee64e5 NB	30	#if !defined(_TRACE_ZRLOCK_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	31	#define _TRACE_ZRLOCK_H
	32
	33	#include <linux/tracepoint.h>
	34	#include <sys/types.h>
	35
	36	/*
	37	* Generic support for two argument tracepoints of the form:
	38	*
	39	* DTRACE_PROBE2(...,
	40	* zrlock_t *, ...,
	41	* uint32_t, ...);
	42	*/
02730c33	43	/* BEGIN CSTYLED */
49ee64e5	44	DECLARE_EVENT_CLASS(zfs_zrlock_class,
9470cbd4 CC	45	TP_PROTO(zrlock_t zrl, kthread_t owner, uint32_t n),
9470cbd4 CC	46	TP_ARGS(zrl, owner, n),
49ee64e5	47	TP_STRUCT__entry(
95a6990d	48	__field(int32_t, refcount)
49ee64e5	49	#ifdef ZFS_DEBUG
95a6990d	50	__field(pid_t, owner_pid)
9470cbd4	51	__field(const char *, caller)
49ee64e5 NB	52	#endif
	53	__field(uint32_t, n)
	54	),
	55	TP_fast_assign(
95a6990d	56	__entry->refcount = zrl->zr_refcount;
49ee64e5	57	#ifdef ZFS_DEBUG
9470cbd4 CC	58	__entry->owner_pid = owner ? owner->pid : 0;
9470cbd4 CC	59	__entry->caller = zrl->zr_caller ? zrl->zr_caller : "(null)";
49ee64e5	60	#endif
95a6990d	61	__entry->n = n;
49ee64e5 NB	62	),
	63	#ifdef ZFS_DEBUG
	64	TP_printk("zrl { refcount %d owner_pid %d caller %s } n %u",
9470cbd4	65	__entry->refcount, __entry->owner_pid, __entry->caller,
49ee64e5 NB	66	__entry->n)
	67	#else
	68	TP_printk("zrl { refcount %d } n %u",
95a6990d	69	__entry->refcount, __entry->n)
49ee64e5 NB	70	#endif
49ee64e5 NB	71	);
02730c33	72	/* END_CSTYLED */
49ee64e5 NB	73
	74	#define DEFINE_ZRLOCK_EVENT(name) \
	75	DEFINE_EVENT(zfs_zrlock_class, name, \
9470cbd4 CC	76	TP_PROTO(zrlock_t zrl, kthread_t owner, uint32_t n), \
9470cbd4 CC	77	TP_ARGS(zrl, owner, n))
49ee64e5 NB	78	DEFINE_ZRLOCK_EVENT(zfs_zrlock__reentry);
	79
	80	#endif /* _TRACE_ZRLOCK_H */
	81
	82	#undef TRACE_INCLUDE_PATH
	83	#undef TRACE_INCLUDE_FILE
	84	#define TRACE_INCLUDE_PATH sys
	85	#define TRACE_INCLUDE_FILE trace_zrlock
	86	#include <trace/define_trace.h>
	87
	88	#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */