1 files changed, 132 insertions, 0 deletions
diff --git a/Apps/httpdstat.d b/Apps/httpdstat.d
new file mode 100755
index 000000000000..a053482a6c15
--- /dev/null
+++ b/Apps/httpdstat.d
@@ -0,0 +1,132 @@
+#!/usr/sbin/dtrace -s
+/*
+ * httpdstat.d - realtime httpd statistics. Uses DTrace.
+ *
+ * $Id: httpdstat.d 2 2007-08-01 10:01:43Z brendan $
+ *
+ * USAGE:	httpdstat.d [interval [count]]
+ *
+ *		interval	seconds
+ *		count		number of samples
+ *
+ * FIELDS:
+ *		TIME		Time, string
+ *		NUM		Number of connections
+ *		GET		Number of "GET"s
+ *		POST		Number of "POST"s
+ *		HEAD		Number of "HEAD"s
+ *		TRACE		Number of "TRACE"s
+ *
+ * All of the statistics are printed as a value per interval (not per second).
+ *
+ * NOTE: This version does not process subsequent operations on keepalives.
+ *
+ * IDEA: Ryan Matteson (who first wrote a solution to this).
+ *
+ * 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
+ *
+ * 20-Nov-2005	Brendan Gregg	Created this.
+ */
+
+#pragma D option quiet
+#pragma D option defaultargs
+
+inline int SCREEN = 21;
+
+/*
+ * Program Start
+ */
+dtrace:::BEGIN
+{
+	num = 0; get = 0; head = 0; post = 0; trac = 0;
+	lines = SCREEN + 1;
+	secs = $1 ? $1 : 1;
+	counts = $2 ? $2 : -1;
+	first = 1;
+}
+
+profile:::tick-1sec
+{
+	secs--;
+}
+
+/*
+ * Print Header
+ */
+dtrace:::BEGIN,
+profile:::tick-1sec
+/first || (secs == 0 && lines > SCREEN)/
+{
+	printf("%-20s %6s %6s %5s %5s %5s\n", "TIME",
+	    "NUM", "GET", "POST", "HEAD", "TRACE");
+	lines = 0;
+	first = 0;
+}
+
+/*
+ * Track Accept Events
+ */
+syscall::accept:return
+/execname == "httpd"/
+{
+	self->buf = 1;
+}
+
+syscall::read:entry
+/self->buf/
+{
+	self->buf = arg1;
+}
+
+/*
+ * Tally Data
+ */
+syscall::read:return
+/self->buf && arg0/
+{
+	this->str = (char *)copyin(self->buf, arg0);
+	this->str[4] = '\0';
+	get  += stringof(this->str) == "GET " ? 1 : 0;
+	post += stringof(this->str) == "POST" ? 1 : 0;
+	head += stringof(this->str) == "HEAD" ? 1 : 0;
+	trac += stringof(this->str) == "TRAC" ? 1 : 0;
+	num++;
+	self->buf = 0;
+}
+
+/*
+ * Print Output
+ */
+profile:::tick-1sec
+/secs == 0/
+{
+	printf("%-20Y %6d %6d %5d %5d %5d\n", walltimestamp,
+	    num, get, post, head, trac);
+	num = 0; get = 0; head = 0; post = 0; trac = 0;
+	secs = $1 ? $1 : 1;
+	lines++;
+	counts--;
+}
+
+/*
+ * End
+ */
+profile:::tick-1sec
+/counts == 0/
+{
+	exit(0);
+}