1 files changed, 59 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/rwinfo.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/rwinfo.d
new file mode 100644
index 00000000..866678ef
--- /dev/null
+++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/rwinfo.d
@@ -0,0 +1,59 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (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
+ */
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+struct callinfo {
+	uint64_t ts;      /* timestamp of last syscall entry */
+	uint64_t elapsed; /* total elapsed time in nanoseconds */
+	uint64_t calls;   /* number of calls made */
+	size_t maxbytes;  /* maximum byte count argument */
+};
+
+struct callinfo i[string];	/* declare i as an associative array */
+
+syscall::read:entry, syscall::write:entry
+/pid == $1/
+{
+	i[probefunc].ts = timestamp;
+	i[probefunc].calls++;
+	i[probefunc].maxbytes = arg2 > i[probefunc].maxbytes ?
+		arg2 : i[probefunc].maxbytes;
+}
+
+syscall::read:return, syscall::write:return
+/i[probefunc].ts != 0 && pid == $1/
+{
+	i[probefunc].elapsed += timestamp - i[probefunc].ts;
+}
+
+END
+{
+	printf("        calls  max bytes  elapsed nsecs\n");
+	printf("------  -----  ---------  -------------\n");
+	printf("  read  %5d  %9d  %d\n",
+	    i["read"].calls, i["read"].maxbytes, i["read"].elapsed);
+	printf(" write  %5d  %9d  %d\n",
+	    i["write"].calls, i["write"].maxbytes, i["write"].elapsed);
+}