zfs/include/sys/trace.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 #if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS)
  23
  24 #undef TRACE_SYSTEM
  25 #define TRACE_SYSTEM zfs
  26
  27 #if !defined(_TRACE_ZFS_H) || defined(TRACE_HEADER_MULTI_READ)
  28 #define _TRACE_ZFS_H
  29
  30 #include <linux/tracepoint.h>
  31 #include <sys/types.h>
  32
  33 /*
  34  * The sys/trace_dbgmsg.h header defines tracepoint events for
  35  * dprintf(), dbgmsg(), and SET_ERROR().
  36  */
  37 #define _SYS_TRACE_DBGMSG_INDIRECT
  38 #include <sys/trace_dbgmsg.h>
  39 #undef _SYS_TRACE_DBGMSG_INDIRECT
  40
  41 /*
  42  * Redefine the DTRACE_PROBE* functions to use Linux tracepoints
  43  */
  44 #undef DTRACE_PROBE1
  45 #define DTRACE_PROBE1(name, t1, arg1) \
  46         trace_zfs_##name((arg1))
  47
  48 #undef DTRACE_PROBE2
  49 #define DTRACE_PROBE2(name, t1, arg1, t2, arg2) \
  50         trace_zfs_##name((arg1), (arg2))
  51
  52 #undef DTRACE_PROBE3
  53 #define DTRACE_PROBE3(name, t1, arg1, t2, arg2, t3, arg3) \
  54         trace_zfs_##name((arg1), (arg2), (arg3))
  55
  56 #undef DTRACE_PROBE4
  57 #define DTRACE_PROBE4(name, t1, arg1, t2, arg2, t3, arg3, t4, arg4) \
  58         trace_zfs_##name((arg1), (arg2), (arg3), (arg4))
  59
  60 #endif /* _TRACE_ZFS_H */
  61
  62 #undef TRACE_INCLUDE_PATH
  63 #undef TRACE_INCLUDE_FILE
  64 #define TRACE_INCLUDE_PATH sys
  65 #define TRACE_INCLUDE_FILE trace
  66 #include <trace/define_trace.h>
  67
  68 #endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */