Imported Upstream version 0.6.4.2

[mirror_zfs-debian.git] / include / sys / trace_txg.h

diff --git a/include/sys/trace_txg.h b/include/sys/trace_txg.h
new file mode 100644 (file)
index 0000000..e977b25
--- /dev/null
+++ b/include/sys/trace_txg.h
@@ -0,0 +1,72 @@
+/*
+ * 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) && defined(HAVE_DECLARE_EVENT_CLASS)
+
+#undef TRACE_SYSTEM
+#define        TRACE_SYSTEM zfs
+
+#if !defined(_TRACE_TXG_H) || defined(TRACE_HEADER_MULTI_READ)
+#define        _TRACE_TXG_H
+
+#include <linux/tracepoint.h>
+#include <sys/types.h>
+
+/*
+ * Generic support for two argument tracepoints of the form:
+ *
+ * DTRACE_PROBE2(...,
+ *     dsl_pool_t *, ...,
+ *     uint64_t, ...);
+ */
+
+DECLARE_EVENT_CLASS(zfs_txg_class,
+       TP_PROTO(dsl_pool_t *dp, uint64_t txg),
+       TP_ARGS(dp, txg),
+       TP_STRUCT__entry(
+           __field(uint64_t, txg)
+       ),
+       TP_fast_assign(
+           __entry->txg = txg;
+       ),
+       TP_printk("txg %llu", __entry->txg)
+);
+
+#define        DEFINE_TXG_EVENT(name) \
+DEFINE_EVENT(zfs_txg_class, name, \
+       TP_PROTO(dsl_pool_t *dp, uint64_t txg), \
+       TP_ARGS(dp, txg))
+DEFINE_TXG_EVENT(zfs_dsl_pool_sync__done);
+DEFINE_TXG_EVENT(zfs_txg__quiescing);
+DEFINE_TXG_EVENT(zfs_txg__opened);
+DEFINE_TXG_EVENT(zfs_txg__syncing);
+DEFINE_TXG_EVENT(zfs_txg__synced);
+DEFINE_TXG_EVENT(zfs_txg__quiesced);
+
+#endif /* _TRACE_TXG_H */
+
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+#define        TRACE_INCLUDE_PATH sys
+#define        TRACE_INCLUDE_FILE trace_txg
+#include <trace/define_trace.h>
+
+#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */