include/os/linux/zfs/sys/trace_txg.h

   1 /*
   2  * CDDL HEADER START
   3  *
   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.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or https://opensource.org/licenses/CDDL-1.0.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  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]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 #if defined(_KERNEL)
  23 #if defined(HAVE_DECLARE_EVENT_CLASS)
  24
  25 #undef TRACE_SYSTEM
  26 #define TRACE_SYSTEM zfs
  27
  28 #undef TRACE_SYSTEM_VAR
  29 #define TRACE_SYSTEM_VAR zfs_txg
  30
  31 #if !defined(_TRACE_TXG_H) || defined(TRACE_HEADER_MULTI_READ)
  32 #define _TRACE_TXG_H
  33
  34 #include <linux/tracepoint.h>
  35 #include <sys/types.h>
  36
  37 /*
  38  * Generic support for two argument tracepoints of the form:
  39  *
  40  * DTRACE_PROBE2(...,
  41  *     dsl_pool_t *, ...,
  42  *     uint64_t, ...);
  43  */
  44 /* BEGIN CSTYLED */
  45 DECLARE_EVENT_CLASS(zfs_txg_class,
  46         TP_PROTO(dsl_pool_t *dp, uint64_t txg),
  47         TP_ARGS(dp, txg),
  48         TP_STRUCT__entry(
  49             __field(uint64_t, txg)
  50         ),
  51         TP_fast_assign(
  52             __entry->txg = txg;
  53         ),
  54         TP_printk("txg %llu", __entry->txg)
  55 );
  56 /* END CSTYLED */
  57
  58 #define DEFINE_TXG_EVENT(name) \
  59 DEFINE_EVENT(zfs_txg_class, name, \
  60     TP_PROTO(dsl_pool_t *dp, uint64_t txg), \
  61     TP_ARGS(dp, txg))
  62 DEFINE_TXG_EVENT(zfs_dsl_pool_sync__done);
  63 DEFINE_TXG_EVENT(zfs_txg__quiescing);
  64 DEFINE_TXG_EVENT(zfs_txg__opened);
  65 DEFINE_TXG_EVENT(zfs_txg__syncing);
  66 DEFINE_TXG_EVENT(zfs_txg__synced);
  67 DEFINE_TXG_EVENT(zfs_txg__quiesced);
  68
  69 #endif /* _TRACE_TXG_H */
  70
  71 #undef TRACE_INCLUDE_PATH
  72 #undef TRACE_INCLUDE_FILE
  73 #define TRACE_INCLUDE_PATH sys
  74 #define TRACE_INCLUDE_FILE trace_txg
  75 #include <trace/define_trace.h>
  76
  77 #else
  78
  79 DEFINE_DTRACE_PROBE2(dsl_pool_sync__done);
  80 DEFINE_DTRACE_PROBE2(txg__quiescing);
  81 DEFINE_DTRACE_PROBE2(txg__opened);
  82 DEFINE_DTRACE_PROBE2(txg__syncing);
  83 DEFINE_DTRACE_PROBE2(txg__synced);
  84 DEFINE_DTRACE_PROBE2(txg__quiesced);
  85
  86 #endif /* HAVE_DECLARE_EVENT_CLASS */
  87 #endif /* _KERNEL */