/usr/include/libzfs/sys/trace_dbuf.h is in libzfslinux-dev 0.6.5.6-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | /*
* 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_dbuf
#if !defined(_TRACE_DBUF_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_DBUF_H
#include <linux/tracepoint.h>
#include <sys/types.h>
/*
* Generic support for two argument tracepoints of the form:
*
* DTRACE_PROBE2(...,
* dmu_buf_impl_t *, ...,
* zio_t *, ...);
*/
#define DBUF_TP_STRUCT_ENTRY \
__field(const char *, os_spa) \
__field(uint64_t, ds_object) \
__field(uint64_t, db_object) \
__field(uint64_t, db_level) \
__field(uint64_t, db_blkid) \
__field(uint64_t, db_offset) \
__field(uint64_t, db_size) \
__field(uint64_t, db_state) \
__field(int64_t, db_holds) \
#define DBUF_TP_FAST_ASSIGN \
__entry->os_spa = \
spa_name(DB_DNODE(db)->dn_objset->os_spa); \
\
__entry->ds_object = db->db_objset->os_dsl_dataset ? \
db->db_objset->os_dsl_dataset->ds_object : 0; \
\
__entry->db_object = db->db.db_object; \
__entry->db_level = db->db_level; \
__entry->db_blkid = db->db_blkid; \
__entry->db_offset = db->db.db_offset; \
__entry->db_size = db->db.db_size; \
__entry->db_state = db->db_state; \
__entry->db_holds = refcount_count(&db->db_holds);
#define DBUF_TP_PRINTK_FMT \
"dbuf { spa \"%s\" objset %llu object %llu level %llu " \
"blkid %llu offset %llu size %llu state %llu holds %lld }"
#define DBUF_TP_PRINTK_ARGS \
__entry->os_spa, __entry->ds_object, \
__entry->db_object, __entry->db_level, \
__entry->db_blkid, __entry->db_offset, \
__entry->db_size, __entry->db_state, __entry->db_holds
DECLARE_EVENT_CLASS(zfs_dbuf_class,
TP_PROTO(dmu_buf_impl_t *db, zio_t *zio),
TP_ARGS(db, zio),
TP_STRUCT__entry(DBUF_TP_STRUCT_ENTRY),
TP_fast_assign(DBUF_TP_FAST_ASSIGN),
TP_printk(DBUF_TP_PRINTK_FMT, DBUF_TP_PRINTK_ARGS)
);
#define DEFINE_DBUF_EVENT(name) \
DEFINE_EVENT(zfs_dbuf_class, name, \
TP_PROTO(dmu_buf_impl_t *db, zio_t *zio), \
TP_ARGS(db, zio))
DEFINE_DBUF_EVENT(zfs_blocked__read);
#endif /* _TRACE_DBUF_H */
#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_PATH sys
#define TRACE_INCLUDE_FILE trace_dbuf
#include <trace/define_trace.h>
#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */
|