granicus.if.org Git - zfs/blob - include/sys/trace_zio.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 http://www.opensolaris.org/os/licensing.
  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 #include <sys/list.h>
  23
  24 #if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS)
  25
  26 #undef TRACE_SYSTEM
  27 #define TRACE_SYSTEM zfs
  28
  29 #undef TRACE_SYSTEM_VAR
  30 #define TRACE_SYSTEM_VAR zfs_zio
  31
  32 #if !defined(_TRACE_ZIO_H) || defined(TRACE_HEADER_MULTI_READ)
  33 #define _TRACE_ZIO_H
  34
  35 #include <linux/tracepoint.h>
  36 #include <sys/types.h>
  37 #include <sys/trace_common.h> /* For ZIO macros */
  38
  39 /* BEGIN CSTYLED */
  40 TRACE_EVENT(zfs_zio__delay__miss,
  41         TP_PROTO(zio_t *zio, hrtime_t now),
  42         TP_ARGS(zio, now),
  43         TP_STRUCT__entry(
  44             ZIO_TP_STRUCT_ENTRY
  45             __field(hrtime_t, now)
  46         ),
  47         TP_fast_assign(
  48             ZIO_TP_FAST_ASSIGN
  49             __entry->now = now;
  50         ),
  51         TP_printk("now %llu " ZIO_TP_PRINTK_FMT, __entry->now,
  52             ZIO_TP_PRINTK_ARGS)
  53 );
  54
  55 TRACE_EVENT(zfs_zio__delay__hit,
  56         TP_PROTO(zio_t *zio, hrtime_t now, hrtime_t diff),
  57         TP_ARGS(zio, now, diff),
  58         TP_STRUCT__entry(
  59             ZIO_TP_STRUCT_ENTRY
  60             __field(hrtime_t, now)
  61             __field(hrtime_t, diff)
  62         ),
  63         TP_fast_assign(
  64             ZIO_TP_FAST_ASSIGN
  65             __entry->now = now;
  66             __entry->diff = diff;
  67         ),
  68         TP_printk("now %llu diff %llu " ZIO_TP_PRINTK_FMT, __entry->now,
  69             __entry->diff, ZIO_TP_PRINTK_ARGS)
  70 );
  71
  72 TRACE_EVENT(zfs_zio__delay__skip,
  73         TP_PROTO(zio_t *zio),
  74         TP_ARGS(zio),
  75         TP_STRUCT__entry(ZIO_TP_STRUCT_ENTRY),
  76         TP_fast_assign(ZIO_TP_FAST_ASSIGN),
  77         TP_printk(ZIO_TP_PRINTK_FMT, ZIO_TP_PRINTK_ARGS)
  78 );
  79 /* END CSTYLED */
  80
  81 #endif /* _TRACE_ZIO_H */
  82
  83 #undef TRACE_INCLUDE_PATH
  84 #undef TRACE_INCLUDE_FILE
  85 #define TRACE_INCLUDE_PATH sys
  86 #define TRACE_INCLUDE_FILE trace_zio
  87 #include <trace/define_trace.h>
  88
  89 #endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */