zfs-builds-mm/zfs-0.8.0/include/sys/trace_multilist.h

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2019-07-06 23:40:11 +02:00
/*
* 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_multilist
#if !defined(_TRACE_MULTILIST_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_MULTILIST_H
#include <linux/tracepoint.h>
#include <sys/types.h>
/*
* Generic support for three argument tracepoints of the form:
*
* DTRACE_PROBE3(...,
* multilist_t *, ...,
* unsigned int, ...,
* void *, ...);
*/
/* BEGIN CSTYLED */
DECLARE_EVENT_CLASS(zfs_multilist_insert_remove_class,
TP_PROTO(multilist_t *ml, unsigned sublist_idx, void *obj),
TP_ARGS(ml, sublist_idx, obj),
TP_STRUCT__entry(
__field(size_t, ml_offset)
__field(uint64_t, ml_num_sublists)
__field(unsigned int, sublist_idx)
),
TP_fast_assign(
__entry->ml_offset = ml->ml_offset;
__entry->ml_num_sublists = ml->ml_num_sublists;
__entry->sublist_idx = sublist_idx;
),
TP_printk("ml { offset %ld numsublists %llu sublistidx %u } ",
__entry->ml_offset, __entry->ml_num_sublists, __entry->sublist_idx)
);
/* END CSTYLED */
/* BEGIN CSTYLED */
#define DEFINE_MULTILIST_INSERT_REMOVE_EVENT(name) \
DEFINE_EVENT(zfs_multilist_insert_remove_class, name, \
TP_PROTO(multilist_t *ml, unsigned int sublist_idx, void *obj), \
TP_ARGS(ml, sublist_idx, obj))
/* END CSTYLED */
DEFINE_MULTILIST_INSERT_REMOVE_EVENT(zfs_multilist__insert);
DEFINE_MULTILIST_INSERT_REMOVE_EVENT(zfs_multilist__remove);
#endif /* _TRACE_MULTILIST_H */
#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_PATH sys
#define TRACE_INCLUDE_FILE trace_multilist
#include <trace/define_trace.h>
#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */