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-rw-r--r--include/os/linux/spl/sys/trace_taskq.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/include/os/linux/spl/sys/trace_taskq.h b/include/os/linux/spl/sys/trace_taskq.h
new file mode 100644
index 000000000000..dbbb3c4c7960
--- /dev/null
+++ b/include/os/linux/spl/sys/trace_taskq.h
@@ -0,0 +1,89 @@
+/*
+ * 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_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 *, ...);
+ */
+/* BEGIN CSTYLED */
+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)
+);
+/* END CSTYLED */
+
+/* BEGIN CSTYLED */
+#define DEFINE_TASKQ_EVENT(name) \
+DEFINE_EVENT(zfs_taskq_ent_class, name, \
+ TP_PROTO(taskq_ent_t *taskq_ent), \
+ TP_ARGS(taskq_ent))
+/* END CSTYLED */
+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 */