133 lines
2.5 KiB
D
Executable File
133 lines
2.5 KiB
D
Executable File
#!/usr/sbin/dtrace -s
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/*
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* httpdstat.d - realtime httpd statistics. Uses DTrace.
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*
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* $Id: httpdstat.d 2 2007-08-01 10:01:43Z brendan $
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*
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* USAGE: httpdstat.d [interval [count]]
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*
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* interval seconds
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* count number of samples
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*
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* FIELDS:
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* TIME Time, string
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* NUM Number of connections
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* GET Number of "GET"s
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* POST Number of "POST"s
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* HEAD Number of "HEAD"s
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* TRACE Number of "TRACE"s
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*
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* All of the statistics are printed as a value per interval (not per second).
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*
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* NOTE: This version does not process subsequent operations on keepalives.
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*
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* IDEA: Ryan Matteson (who first wrote a solution to this).
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*
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* COPYRIGHT: Copyright (c) 2005 Brendan Gregg.
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*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at Docs/cddl1.txt
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* CDDL HEADER END
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*
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* 20-Nov-2005 Brendan Gregg Created this.
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*/
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#pragma D option quiet
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#pragma D option defaultargs
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inline int SCREEN = 21;
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/*
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* Program Start
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*/
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dtrace:::BEGIN
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{
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num = 0; get = 0; head = 0; post = 0; trac = 0;
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lines = SCREEN + 1;
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secs = $1 ? $1 : 1;
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counts = $2 ? $2 : -1;
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first = 1;
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}
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profile:::tick-1sec
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{
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secs--;
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}
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/*
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* Print Header
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*/
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dtrace:::BEGIN,
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profile:::tick-1sec
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/first || (secs == 0 && lines > SCREEN)/
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{
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printf("%-20s %6s %6s %5s %5s %5s\n", "TIME",
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"NUM", "GET", "POST", "HEAD", "TRACE");
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lines = 0;
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first = 0;
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}
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/*
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* Track Accept Events
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*/
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syscall::accept:return
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/execname == "httpd"/
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{
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self->buf = 1;
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}
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syscall::read:entry
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/self->buf/
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{
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self->buf = arg1;
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}
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/*
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* Tally Data
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*/
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syscall::read:return
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/self->buf && arg0/
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{
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this->str = (char *)copyin(self->buf, arg0);
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this->str[4] = '\0';
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get += stringof(this->str) == "GET " ? 1 : 0;
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post += stringof(this->str) == "POST" ? 1 : 0;
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head += stringof(this->str) == "HEAD" ? 1 : 0;
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trac += stringof(this->str) == "TRAC" ? 1 : 0;
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num++;
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self->buf = 0;
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}
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/*
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* Print Output
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*/
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profile:::tick-1sec
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/secs == 0/
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{
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printf("%-20Y %6d %6d %5d %5d %5d\n", walltimestamp,
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num, get, post, head, trac);
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num = 0; get = 0; head = 0; post = 0; trac = 0;
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secs = $1 ? $1 : 1;
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lines++;
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counts--;
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}
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/*
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* End
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*/
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profile:::tick-1sec
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/counts == 0/
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{
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exit(0);
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}
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