#!/usr/sbin/dtrace -s /* * httpdstat.d - realtime httpd statistics. Uses DTrace. * * $Id: httpdstat.d,v 1.1.1.1 2015/09/30 22:01:06 christos Exp $ * * 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); }