zfs/include/os/linux/spl/sys/trace_taskq.h

84 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 https://opensource.org/licenses/CDDL-1.0.
* 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_taskq
#if !defined(_TRACE_TASKQ_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_TASKQ_H
#include <linux/tracepoint.h>
#include <sys/types.h>
/*
* Generic support for single argument tracepoints of the form:
*
* DTRACE_PROBE1(...,
* taskq_ent_t *, ...);
*/
DECLARE_EVENT_CLASS(zfs_taskq_ent_class,
TP_PROTO(taskq_ent_t *taskq_ent),
TP_ARGS(taskq_ent),
TP_STRUCT__entry(__field(taskq_ent_t *, taskq_ent)),
TP_fast_assign(
__entry->taskq_ent = taskq_ent;
),
TP_printk("taskq_ent %p", __entry->taskq_ent)
);
#define DEFINE_TASKQ_EVENT(name) \
DEFINE_EVENT(zfs_taskq_ent_class, name, \
TP_PROTO(taskq_ent_t *taskq_ent), \
TP_ARGS(taskq_ent))
DEFINE_TASKQ_EVENT(zfs_taskq_ent__birth);
DEFINE_TASKQ_EVENT(zfs_taskq_ent__start);
DEFINE_TASKQ_EVENT(zfs_taskq_ent__finish);
#endif /* _TRACE_TASKQ_H */
#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_PATH sys
#define TRACE_INCLUDE_FILE trace_taskq
#include <trace/define_trace.h>
#else
/*
* When tracepoints are not available, a DEFINE_DTRACE_PROBE* macro is
* needed for each DTRACE_PROBE. These will be used to generate stub
* tracing functions and prototypes for those functions. See
* include/os/linux/spl/sys/trace.h.
*/
DEFINE_DTRACE_PROBE1(taskq_ent__birth);
DEFINE_DTRACE_PROBE1(taskq_ent__start);
DEFINE_DTRACE_PROBE1(taskq_ent__finish);
#endif /* HAVE_DECLARE_EVENT_CLASS */
#endif /* _KERNEL */