1 files changed, 52 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/Cpu/dispqlen.d b/cddl/contrib/dtracetoolkit/Cpu/dispqlen.d
new file mode 100755
index 000000000000..46742c5a02b1
--- /dev/null
+++ b/cddl/contrib/dtracetoolkit/Cpu/dispqlen.d
@@ -0,0 +1,52 @@
+#!/usr/sbin/dtrace -s
+/*
+ * dispqlen.d - dispatcher queue length by CPU.
+ *              Written using DTrace (Solaris 10 3/05).
+ *
+ * $Id: dispqlen.d 3 2007-08-01 10:50:08Z brendan $
+ *
+ * USAGE:	dispqlen.d		# hit Ctrl-C to end sample
+ *
+ * NOTES: The dispatcher queue length is an indication of CPU saturation.
+ * It is not an indicatior of utilisation - the CPUs may or may not be
+ * utilised when the dispatcher queue reports a length of zero.
+ *
+ * SEE ALSO:    uptime(1M)
+ *
+ * COPYRIGHT: Copyright (c) 2005 Brendan Gregg.
+ *
+ * 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 Docs/cddl1.txt
+ *  or http://www.opensolaris.org/os/licensing.
+ *  See the License for the specific language governing permissions
+ *  and limitations under the License.
+ *
+ * CDDL HEADER END
+ *
+ * 27-Jun-2005  Brendan Gregg   Created this.
+ * 14-Feb-2006	   "      "	Last update.
+ */
+
+#pragma D option quiet
+
+dtrace:::BEGIN
+{
+	printf("Sampling... Hit Ctrl-C to end.\n");
+}
+
+profile:::profile-1000hz
+{
+	@queue[cpu] =
+	    lquantize(curthread->t_cpu->cpu_disp->disp_nrunnable, 0, 64, 1);
+}
+
+dtrace:::END
+{
+	printa(" CPU %d%@d\n", @queue);
+}