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/*
* 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 https://opensource.org/licenses/CDDL-1.0.
* 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)
#if defined(HAVE_DECLARE_EVENT_CLASS)
/*
* If tracepoints are available define dtrace_probe events for vdev
* related probes. Definitions in include/os/linux/spl/sys/trace.h
* will map DTRACE_PROBE* calls to tracepoints.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM zfs
#undef TRACE_SYSTEM_VAR
#define TRACE_SYSTEM_VAR zfs_vdev
#if !defined(_TRACE_VDEV_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_VDEV_H
#include <linux/tracepoint.h>
#include <sys/types.h>
/*
* Generic support for three argument tracepoints of the form:
*
* DTRACE_PROBE3(...,
* spa_t *, ...,
* uint64_t, ...,
* uint64_t, ...);
*/
/* BEGIN CSTYLED */
DECLARE_EVENT_CLASS(zfs_removing_class_3,
TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size),
TP_ARGS(spa, offset, size),
TP_STRUCT__entry(
__field(spa_t *, vdev_spa)
__field(uint64_t, vdev_offset)
__field(uint64_t, vdev_size)
),
TP_fast_assign(
__entry->vdev_spa = spa;
__entry->vdev_offset = offset;
__entry->vdev_size = size;
),
TP_printk("spa %p offset %llu size %llu",
__entry->vdev_spa, __entry->vdev_offset,
__entry->vdev_size)
);
/* END CSTYLED */
#define DEFINE_REMOVE_FREE_EVENT(name) \
DEFINE_EVENT(zfs_removing_class_3, name, \
TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size), \
TP_ARGS(spa, offset, size))
DEFINE_REMOVE_FREE_EVENT(zfs_remove__free__synced);
DEFINE_REMOVE_FREE_EVENT(zfs_remove__free__unvisited);
/*
* Generic support for four argument tracepoints of the form:
*
* DTRACE_PROBE4(...,
* spa_t *, ...,
* uint64_t, ...,
* uint64_t, ...,
* uint64_t, ...);
*/
/* BEGIN CSTYLED */
DECLARE_EVENT_CLASS(zfs_removing_class_4,
TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size, uint64_t txg),
TP_ARGS(spa, offset, size, txg),
TP_STRUCT__entry(
__field(spa_t *, vdev_spa)
__field(uint64_t, vdev_offset)
__field(uint64_t, vdev_size)
__field(uint64_t, vdev_txg)
),
TP_fast_assign(
__entry->vdev_spa = spa;
__entry->vdev_offset = offset;
__entry->vdev_size = size;
__entry->vdev_txg = txg;
),
TP_printk("spa %p offset %llu size %llu txg %llu",
__entry->vdev_spa, __entry->vdev_offset,
__entry->vdev_size, __entry->vdev_txg)
);
#define DEFINE_REMOVE_FREE_EVENT_TXG(name) \
DEFINE_EVENT(zfs_removing_class_4, name, \
TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size,uint64_t txg), \
TP_ARGS(spa, offset, size, txg))
DEFINE_REMOVE_FREE_EVENT_TXG(zfs_remove__free__inflight);
#endif /* _TRACE_VDEV_H */
#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_PATH sys
#define TRACE_INCLUDE_FILE trace_vdev
#include <trace/define_trace.h>
#else
/*
* When tracepoints are not available, a DEFINE_DTRACE_PROBE* macro is
* needed for each DTRACE_PROBE. These will be used to generate stub
* tracing functions and prototypes for those functions. See
* include/os/linux/spl/sys/trace.h.
*/
DEFINE_DTRACE_PROBE3(remove__free__synced);
DEFINE_DTRACE_PROBE3(remove__free__unvisited);
DEFINE_DTRACE_PROBE4(remove__free__inflight);
#endif /* HAVE_DECLARE_EVENT_CLASS */
#endif /* _KERNEL */
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