trace_zio.h

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    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 #include <sys/list.h>
   23 
   24 #if defined(_KERNEL)
   25 #if defined(HAVE_DECLARE_EVENT_CLASS)
   26 
   27 #undef TRACE_SYSTEM
   28 #define TRACE_SYSTEM zfs
   29 
   30 #undef TRACE_SYSTEM_VAR
   31 #define TRACE_SYSTEM_VAR zfs_zio
   32 
   33 #if !defined(_TRACE_ZIO_H) || defined(TRACE_HEADER_MULTI_READ)
   34 #define _TRACE_ZIO_H
   35 
   36 #include <linux/tracepoint.h>
   37 #include <sys/types.h>
   38 #include <sys/trace_common.h> /* For ZIO macros */
   39 
   40 /* BEGIN CSTYLED */
   41 TRACE_EVENT(zfs_zio__delay__miss,
   42         TP_PROTO(zio_t *zio, hrtime_t now),
   43         TP_ARGS(zio, now),
   44         TP_STRUCT__entry(
   45             ZIO_TP_STRUCT_ENTRY
   46             __field(hrtime_t, now)
   47         ),
   48         TP_fast_assign(
   49             ZIO_TP_FAST_ASSIGN
   50             __entry->now = now;
   51         ),
   52         TP_printk("now %llu " ZIO_TP_PRINTK_FMT, __entry->now,
   53             ZIO_TP_PRINTK_ARGS)
   54 );
   55 
   56 TRACE_EVENT(zfs_zio__delay__hit,
   57         TP_PROTO(zio_t *zio, hrtime_t now, hrtime_t diff),
   58         TP_ARGS(zio, now, diff),
   59         TP_STRUCT__entry(
   60             ZIO_TP_STRUCT_ENTRY
   61             __field(hrtime_t, now)
   62             __field(hrtime_t, diff)
   63         ),
   64         TP_fast_assign(
   65             ZIO_TP_FAST_ASSIGN
   66             __entry->now = now;
   67             __entry->diff = diff;
   68         ),
   69         TP_printk("now %llu diff %llu " ZIO_TP_PRINTK_FMT, __entry->now,
   70             __entry->diff, ZIO_TP_PRINTK_ARGS)
   71 );
   72 
   73 TRACE_EVENT(zfs_zio__delay__skip,
   74         TP_PROTO(zio_t *zio),
   75         TP_ARGS(zio),
   76         TP_STRUCT__entry(ZIO_TP_STRUCT_ENTRY),
   77         TP_fast_assign(ZIO_TP_FAST_ASSIGN),
   78         TP_printk(ZIO_TP_PRINTK_FMT, ZIO_TP_PRINTK_ARGS)
   79 );
   80 /* END CSTYLED */
   81 
   82 #endif /* _TRACE_ZIO_H */
   83 
   84 #undef TRACE_INCLUDE_PATH
   85 #undef TRACE_INCLUDE_FILE
   86 #define TRACE_INCLUDE_PATH sys
   87 #define TRACE_INCLUDE_FILE trace_zio
   88 #include <trace/define_trace.h>
   89 
   90 #else
   91 
   92 DEFINE_DTRACE_PROBE2(zio__delay__miss);
   93 DEFINE_DTRACE_PROBE3(zio__delay__hit);
   94 DEFINE_DTRACE_PROBE1(zio__delay__skip);
   95 
   96 #endif /* HAVE_DECLARE_EVENT_CLASS */
   97 #endif /* _KERNEL */

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/include/os/linux/zfs/sys/trace_zio.h

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/os/linux/zfs/sys/trace_zio.h