zfs-builds-mm/zfs-2.0.0-rc6/include/os/linux/zfs/sys/trace_dbgmsg.h
2020-11-15 11:35:49 +01:00

89 lines
2.4 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#if defined(_KERNEL)
#if defined(HAVE_DECLARE_EVENT_CLASS)
#undef TRACE_SYSTEM
#define TRACE_SYSTEM zfs
#undef TRACE_SYSTEM_VAR
#define TRACE_SYSTEM_VAR zfs_dbgmsg
#if !defined(_TRACE_DBGMSG_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_DBGMSG_H
#include <linux/tracepoint.h>
/*
* This file defines tracepoint events for use by the dbgmsg(),
* dprintf(), and SET_ERROR() interfaces. These are grouped here because
* they all provide a way to store simple messages in the debug log (as
* opposed to events used by the DTRACE_PROBE interfaces which typically
* dump structured data).
*
* This header is included inside the trace.h multiple inclusion guard,
* and it is guarded above against direct inclusion, so it and need not
* be guarded separately.
*/
/*
* Generic support for one argument tracepoints of the form:
*
* DTRACE_PROBE1(...,
* const char *, ...);
*/
/* BEGIN CSTYLED */
DECLARE_EVENT_CLASS(zfs_dprintf_class,
TP_PROTO(const char *msg),
TP_ARGS(msg),
TP_STRUCT__entry(
__string(msg, msg)
),
TP_fast_assign(
__assign_str(msg, msg);
),
TP_printk("%s", __get_str(msg))
);
/* END CSTYLED */
/* BEGIN CSTYLED */
#define DEFINE_DPRINTF_EVENT(name) \
DEFINE_EVENT(zfs_dprintf_class, name, \
TP_PROTO(const char *msg), \
TP_ARGS(msg))
/* END CSTYLED */
DEFINE_DPRINTF_EVENT(zfs_zfs__dprintf);
#endif /* _TRACE_DBGMSG_H */
#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_PATH sys
#define TRACE_INCLUDE_FILE trace_dbgmsg
#include <trace/define_trace.h>
#else
DEFINE_DTRACE_PROBE1(zfs__dprintf);
#endif /* HAVE_DECLARE_EVENT_CLASS */
#endif /* _KERNEL */