OpenZFS restructuring - move linux tracing code to platform directories

Move Linux specific tracing headers and source to platform directories and update the build system. Reviewed-by: Allan Jude <allanjude@freebsd.org> Reviewed-by: Ryan Moeller <ryan@ixsystems.com> Reviewed by: Brad Lewis <brad.lewis@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Matt Macy <mmacy@FreeBSD.org> Closes #9290
2026-05-25 19:57:43 +03:00 · 2019-09-11 14:25:53 -07:00
parent 5815f7ac30
commit d66620681d
37 changed files with 89 additions and 34 deletions
@@ -0,0 +1,94 @@
+/*
+ * 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_zrlock
+
+#if !defined(_TRACE_ZRLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define	_TRACE_ZRLOCK_H
+
+#include <linux/tracepoint.h>
+#include <sys/types.h>
+
+/*
+ * Generic support for two argument tracepoints of the form:
+ *
+ * DTRACE_PROBE2(...,
+ *     zrlock_t *, ...,
+ *     uint32_t, ...);
+ */
+/* BEGIN CSTYLED */
+DECLARE_EVENT_CLASS(zfs_zrlock_class,
+	TP_PROTO(zrlock_t *zrl, kthread_t *owner, uint32_t n),
+	TP_ARGS(zrl, owner, n),
+	TP_STRUCT__entry(
+	    __field(int32_t,		refcount)
+#ifdef	ZFS_DEBUG
+	    __field(pid_t,		owner_pid)
+	    __field(const char *,	caller)
+#endif
+	    __field(uint32_t,		n)
+	),
+	TP_fast_assign(
+	    __entry->refcount	= zrl->zr_refcount;
+#ifdef	ZFS_DEBUG
+	    __entry->owner_pid	= owner ? owner->pid : 0;
+	    __entry->caller = zrl->zr_caller ? zrl->zr_caller : "(null)";
+#endif
+	    __entry->n		= n;
+	),
+#ifdef	ZFS_DEBUG
+	TP_printk("zrl { refcount %d owner_pid %d caller %s } n %u",
+	    __entry->refcount, __entry->owner_pid, __entry->caller,
+	    __entry->n)
+#else
+	TP_printk("zrl { refcount %d } n %u",
+	    __entry->refcount, __entry->n)
+#endif
+);
+/* END_CSTYLED */
+
+#define	DEFINE_ZRLOCK_EVENT(name) \
+DEFINE_EVENT(zfs_zrlock_class, name, \
+	TP_PROTO(zrlock_t *zrl, kthread_t *owner, uint32_t n), \
+	TP_ARGS(zrl, owner, n))
+DEFINE_ZRLOCK_EVENT(zfs_zrlock__reentry);
+
+#endif /* _TRACE_ZRLOCK_H */
+
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+#define	TRACE_INCLUDE_PATH sys
+#define	TRACE_INCLUDE_FILE trace_zrlock
+#include <trace/define_trace.h>
+
+#else
+
+DEFINE_DTRACE_PROBE3(zrlock__reentry);
+
+#endif /* HAVE_DECLARE_EVENT_CLASS */
+#endif /* _KERNEL */