| /* |
| * 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> |
| |
| #ifndef TRACE_DBUF_MSG_MAX |
| #define TRACE_DBUF_MSG_MAX 512 |
| #endif |
| |
| /* |
| * Generic support for two argument tracepoints of the form: |
| * |
| * DTRACE_PROBE2(..., |
| * dmu_buf_impl_t *, ..., |
| * zio_t *, ...); |
| */ |
| |
| #define DBUF_TP_STRUCT_ENTRY \ |
| __dynamic_array(char, os_spa, TRACE_DBUF_MSG_MAX) \ |
| __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) \ |
| __dynamic_array(char, msg, TRACE_DBUF_MSG_MAX) |
| |
| #define DBUF_TP_FAST_ASSIGN \ |
| if (db != NULL) { \ |
| __assign_str(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 = zfs_refcount_count(&db->db_holds); \ |
| snprintf(__get_str(msg), TRACE_DBUF_MSG_MAX, \ |
| DBUF_TP_PRINTK_FMT, DBUF_TP_PRINTK_ARGS); \ |
| } else { \ |
| __assign_str(os_spa, "NULL") \ |
| __entry->ds_object = 0; \ |
| __entry->db_object = 0; \ |
| __entry->db_level = 0; \ |
| __entry->db_blkid = 0; \ |
| __entry->db_offset = 0; \ |
| __entry->db_size = 0; \ |
| __entry->db_state = 0; \ |
| __entry->db_holds = 0; \ |
| snprintf(__get_str(msg), TRACE_DBUF_MSG_MAX, \ |
| "dbuf { NULL }"); \ |
| } |
| |
| #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 \ |
| __get_str(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 |
| |
| /* BEGIN CSTYLED */ |
| 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("%s", __get_str(msg)) |
| ); |
| /* END CSTYLED */ |
| |
| /* BEGIN CSTYLED */ |
| #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)) |
| /* END CSTYLED */ |
| DEFINE_DBUF_EVENT(zfs_blocked__read); |
| |
| /* BEGIN CSTYLED */ |
| DECLARE_EVENT_CLASS(zfs_dbuf_evict_one_class, |
| TP_PROTO(dmu_buf_impl_t *db, multilist_sublist_t *mls), |
| TP_ARGS(db, mls), |
| TP_STRUCT__entry(DBUF_TP_STRUCT_ENTRY), |
| TP_fast_assign(DBUF_TP_FAST_ASSIGN), |
| TP_printk("%s", __get_str(msg)) |
| ); |
| /* END CSTYLED */ |
| |
| /* BEGIN CSTYLED */ |
| #define DEFINE_DBUF_EVICT_ONE_EVENT(name) \ |
| DEFINE_EVENT(zfs_dbuf_evict_one_class, name, \ |
| TP_PROTO(dmu_buf_impl_t *db, multilist_sublist_t *mls), \ |
| TP_ARGS(db, mls)) |
| /* END CSTYLED */ |
| DEFINE_DBUF_EVICT_ONE_EVENT(zfs_dbuf__evict__one); |
| |
| #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 */ |