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1d3ba0bf01
The commit replaces all findings of the link: http://www.opensolaris.org/os/licensing with this one: https://opensource.org/licenses/CDDL-1.0 Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Closes #13619
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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#if defined(_KERNEL)
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#if defined(HAVE_DECLARE_EVENT_CLASS)
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM zfs
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#undef TRACE_SYSTEM_VAR
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#define TRACE_SYSTEM_VAR zfs_zrlock
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#if !defined(_TRACE_ZRLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_ZRLOCK_H
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#include <linux/tracepoint.h>
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#include <sys/types.h>
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/*
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* Generic support for two argument tracepoints of the form:
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*
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* DTRACE_PROBE2(...,
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* zrlock_t *, ...,
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* uint32_t, ...);
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*/
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/* BEGIN CSTYLED */
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DECLARE_EVENT_CLASS(zfs_zrlock_class,
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TP_PROTO(zrlock_t *zrl, kthread_t *owner, uint32_t n),
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TP_ARGS(zrl, owner, n),
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TP_STRUCT__entry(
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__field(int32_t, refcount)
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#ifdef ZFS_DEBUG
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__field(pid_t, owner_pid)
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__field(const char *, caller)
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#endif
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__field(uint32_t, n)
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),
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TP_fast_assign(
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__entry->refcount = zrl->zr_refcount;
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#ifdef ZFS_DEBUG
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__entry->owner_pid = owner ? owner->pid : 0;
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__entry->caller = zrl->zr_caller ? zrl->zr_caller : "(null)";
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#endif
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__entry->n = n;
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),
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#ifdef ZFS_DEBUG
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TP_printk("zrl { refcount %d owner_pid %d caller %s } n %u",
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__entry->refcount, __entry->owner_pid, __entry->caller,
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__entry->n)
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#else
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TP_printk("zrl { refcount %d } n %u",
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__entry->refcount, __entry->n)
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#endif
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);
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/* END CSTYLED */
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#define DEFINE_ZRLOCK_EVENT(name) \
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DEFINE_EVENT(zfs_zrlock_class, name, \
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TP_PROTO(zrlock_t *zrl, kthread_t *owner, uint32_t n), \
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TP_ARGS(zrl, owner, n))
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DEFINE_ZRLOCK_EVENT(zfs_zrlock__reentry);
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#endif /* _TRACE_ZRLOCK_H */
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#undef TRACE_INCLUDE_PATH
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_PATH sys
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#define TRACE_INCLUDE_FILE trace_zrlock
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#include <trace/define_trace.h>
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#else
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DEFINE_DTRACE_PROBE3(zrlock__reentry);
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#endif /* HAVE_DECLARE_EVENT_CLASS */
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#endif /* _KERNEL */
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