OpenZFS 7004 - dmu_tx_hold_zap() does dnode_hold() 7x on same object
[zfs.git] / include / sys / trace_txg.h
blob61d650984cd349357a4b92bbd45fc2bc89f64c9f
1 /*
2 * CDDL HEADER START
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.
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.
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]
19 * CDDL HEADER END
22 #if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS)
24 #undef TRACE_SYSTEM
25 #define TRACE_SYSTEM zfs
27 #undef TRACE_SYSTEM_VAR
28 #define TRACE_SYSTEM_VAR zfs_txg
30 #if !defined(_TRACE_TXG_H) || defined(TRACE_HEADER_MULTI_READ)
31 #define _TRACE_TXG_H
33 #include <linux/tracepoint.h>
34 #include <sys/types.h>
37 * Generic support for two argument tracepoints of the form:
39 * DTRACE_PROBE2(...,
40 * dsl_pool_t *, ...,
41 * uint64_t, ...);
44 DECLARE_EVENT_CLASS(zfs_txg_class,
45 TP_PROTO(dsl_pool_t *dp, uint64_t txg),
46 TP_ARGS(dp, txg),
47 TP_STRUCT__entry(
48 __field(uint64_t, txg)
50 TP_fast_assign(
51 __entry->txg = txg;
53 TP_printk("txg %llu", __entry->txg)
56 #define DEFINE_TXG_EVENT(name) \
57 DEFINE_EVENT(zfs_txg_class, name, \
58 TP_PROTO(dsl_pool_t *dp, uint64_t txg), \
59 TP_ARGS(dp, txg))
60 DEFINE_TXG_EVENT(zfs_dsl_pool_sync__done);
61 DEFINE_TXG_EVENT(zfs_txg__quiescing);
62 DEFINE_TXG_EVENT(zfs_txg__opened);
63 DEFINE_TXG_EVENT(zfs_txg__syncing);
64 DEFINE_TXG_EVENT(zfs_txg__synced);
65 DEFINE_TXG_EVENT(zfs_txg__quiesced);
67 #endif /* _TRACE_TXG_H */
69 #undef TRACE_INCLUDE_PATH
70 #undef TRACE_INCLUDE_FILE
71 #define TRACE_INCLUDE_PATH sys
72 #define TRACE_INCLUDE_FILE trace_txg
73 #include <trace/define_trace.h>
75 #endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */