Source formatting in preparation for additional data printing formats
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@ -1,38 +1,38 @@
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/*
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httperf -- a tool for measuring web server performance
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Copyright 2000-2007 Hewlett-Packard Company and Contributors listed in
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AUTHORS file. Originally contributed by David Mosberger-Tang
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* httperf -- a tool for measuring web server performance Copyright 2000-2007
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* Hewlett-Packard Company and Contributors listed in AUTHORS file. Originally
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* contributed by David Mosberger-Tang
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*
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* This file is part of httperf, a web server performance measurment tool.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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||||
* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* In addition, as a special exception, the copyright holders give permission
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* to link the code of this work with the OpenSSL project's "OpenSSL" library
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* (or with modified versions of it that use the same license as the "OpenSSL"
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* library), and distribute linked combinations including the two. You must
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* obey the GNU General Public License in all respects for all of the code
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* used other than "OpenSSL". If you modify this file, you may extend this
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||||
* exception to your version of the file, but you are not obligated to do so.
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* If you do not wish to do so, delete this exception statement from your
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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This file is part of httperf, a web server performance measurment
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tool.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version.
|
||||
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||||
In addition, as a special exception, the copyright holders give
|
||||
permission to link the code of this work with the OpenSSL project's
|
||||
"OpenSSL" library (or with modified versions of it that use the same
|
||||
license as the "OpenSSL" library), and distribute linked combinations
|
||||
including the two. You must obey the GNU General Public License in
|
||||
all respects for all of the code used other than "OpenSSL". If you
|
||||
modify this file, you may extend this exception to your version of the
|
||||
file, but you are not obligated to do so. If you do not wish to do
|
||||
so, delete this exception statement from your version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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||||
General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA
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*/
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/* Basic statistics collector. */
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/*
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* Basic statistics collector.
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*/
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#include "config.h"
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@ -53,427 +53,435 @@
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#include <localevent.h>
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#include <stats.h>
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/* Increase this if it does not cover at least 50% of all response
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times. */
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#define MAX_LIFETIME 100.0 /* max. conn. lifetime in seconds */
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/*
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* Increase this if it does not cover at least 50% of all response times.
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*/
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#define MAX_LIFETIME 100.0 /* max. conn. lifetime in seconds */
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#define BIN_WIDTH 1e-3
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#define NUM_BINS ((u_int) (MAX_LIFETIME / BIN_WIDTH))
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static struct
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{
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u_int num_conns_issued; /* total # of connections issued */
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u_int num_replies[6]; /* completion count per status class */
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u_int num_client_timeouts; /* # of client timeouts */
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u_int num_sock_fdunavail; /* # of times out of filedescriptors */
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u_int num_sock_ftabfull; /* # of times file table was full */
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u_int num_sock_refused; /* # of ECONNREFUSED */
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u_int num_sock_reset; /* # of ECONNRESET */
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u_int num_sock_timeouts; /* # of ETIMEDOUT */
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u_int num_sock_addrunavail;/* # of EADDRNOTAVAIL */
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u_int num_other_errors; /* # of other errors */
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u_int max_conns; /* max # of concurrent connections */
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static struct {
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u_int num_conns_issued; /* total # of connections * issued */
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u_int num_replies[6]; /* completion count per status class */
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u_int num_client_timeouts; /* # of client timeouts */
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u_int num_sock_fdunavail; /* # of times out of *
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* filedescriptors */
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u_int num_sock_ftabfull; /* # of times file table was full */
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u_int num_sock_refused; /* # of ECONNREFUSED */
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u_int num_sock_reset; /* # of ECONNRESET */
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u_int num_sock_timeouts; /* # of ETIMEDOUT */
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u_int num_sock_addrunavail; /* # of EADDRNOTAVAIL */
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u_int num_other_errors; /* # of other errors */
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u_int max_conns; /* max # of concurrent connections */
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u_int num_lifetimes;
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Time conn_lifetime_sum; /* sum of connection lifetimes */
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Time conn_lifetime_sum2; /* sum of connection lifetimes squared */
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Time conn_lifetime_min; /* minimum connection lifetime */
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Time conn_lifetime_max; /* maximum connection lifetime */
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u_int num_lifetimes;
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Time conn_lifetime_sum; /* sum of connection lifetimes */
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Time conn_lifetime_sum2; /* sum of connection lifetimes
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* squared */
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Time conn_lifetime_min; /* minimum connection lifetime */
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Time conn_lifetime_max; /* maximum connection lifetime */
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u_int num_reply_rates;
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Time reply_rate_sum;
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Time reply_rate_sum2;
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Time reply_rate_min;
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Time reply_rate_max;
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u_int num_reply_rates;
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Time reply_rate_sum;
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Time reply_rate_sum2;
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Time reply_rate_min;
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Time reply_rate_max;
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u_int num_connects; /* # of completed connect()s */
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Time conn_connect_sum; /* sum of connect times */
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u_int num_connects; /* # of completed connect()s */
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Time conn_connect_sum; /* sum of connect times */
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u_int num_responses;
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Time call_response_sum; /* sum of response times */
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u_int num_responses;
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Time call_response_sum; /* sum of response times */
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Time call_xfer_sum; /* sum of response times */
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Time call_xfer_sum; /* sum of response times */
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u_int num_sent; /* # of requests sent */
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size_t req_bytes_sent;
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u_int num_sent; /* # of requests sent */
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size_t req_bytes_sent;
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u_int num_received; /* # of replies received */
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u_wide hdr_bytes_received; /* sum of all header bytes */
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u_wide reply_bytes_received; /* sum of all data bytes */
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u_wide footer_bytes_received; /* sum of all footer bytes */
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u_int num_received; /* # of replies received */
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u_wide hdr_bytes_received; /* sum of all header bytes */
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u_wide reply_bytes_received; /* sum of all data bytes */
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u_wide footer_bytes_received; /* sum of all footer bytes */
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u_int conn_lifetime_hist[NUM_BINS]; /* histogram of connection lifetimes */
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}
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basic;
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u_int conn_lifetime_hist[NUM_BINS]; /* histogram of
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* connection lifetimes */
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} basic;
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static u_int num_active_conns;
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static u_int num_replies; /* # of replies received in this interval */
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static u_int num_active_conns;
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static u_int num_replies; /* # of replies received in this interval */
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static void
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perf_sample (Event_Type et, Object *obj, Any_Type reg_arg, Any_Type call_arg)
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perf_sample(Event_Type et, Object * obj, Any_Type reg_arg, Any_Type call_arg)
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{
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Time weight = call_arg.d;
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double rate;
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Time weight = call_arg.d;
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double rate;
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assert (et == EV_PERF_SAMPLE);
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assert(et == EV_PERF_SAMPLE);
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rate = weight*num_replies;
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rate = weight * num_replies;
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if (verbose)
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printf ("reply-rate = %-8.1f\n", rate);
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if (verbose)
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printf("reply-rate = %-8.1f\n", rate);
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basic.reply_rate_sum += rate;
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basic.reply_rate_sum2 += SQUARE (rate);
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if (rate < basic.reply_rate_min)
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basic.reply_rate_min = rate;
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if (rate > basic.reply_rate_max)
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basic.reply_rate_max = rate;
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++basic.num_reply_rates;
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basic.reply_rate_sum += rate;
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basic.reply_rate_sum2 += SQUARE(rate);
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if (rate < basic.reply_rate_min)
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basic.reply_rate_min = rate;
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if (rate > basic.reply_rate_max)
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basic.reply_rate_max = rate;
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++basic.num_reply_rates;
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/* prepare for next sample interval: */
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num_replies = 0;
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/*
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* prepare for next sample interval:
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*/
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num_replies = 0;
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}
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static void
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conn_timeout (Event_Type et, Object *obj, Any_Type reg_arg, Any_Type call_arg)
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conn_timeout(Event_Type et, Object * obj, Any_Type reg_arg, Any_Type call_arg)
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{
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assert (et == EV_CONN_TIMEOUT);
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assert(et == EV_CONN_TIMEOUT);
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++basic.num_client_timeouts;
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++basic.num_client_timeouts;
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}
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static void
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conn_fail (Event_Type et, Object *obj, Any_Type reg_arg, Any_Type call_arg)
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conn_fail(Event_Type et, Object * obj, Any_Type reg_arg, Any_Type call_arg)
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{
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static int first_time = 1;
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int err = call_arg.i;
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static int first_time = 1;
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int err = call_arg.i;
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assert (et == EV_CONN_FAILED);
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assert(et == EV_CONN_FAILED);
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switch (err)
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{
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switch (err) {
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#ifdef __linux__
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case EINVAL: /* Linux has a strange way of saying "out of fds"... */
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case EINVAL: /* Linux has a strange way of saying "out of
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* * fds"... */
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#endif
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case EMFILE: ++basic.num_sock_fdunavail; break;
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case ENFILE: ++basic.num_sock_ftabfull; break;
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case ECONNREFUSED: ++basic.num_sock_refused; break;
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case ETIMEDOUT: ++basic.num_sock_timeouts; break;
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case EMFILE:
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++basic.num_sock_fdunavail;
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break;
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case ENFILE:
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++basic.num_sock_ftabfull;
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break;
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case ECONNREFUSED:
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++basic.num_sock_refused;
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break;
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case ETIMEDOUT:
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++basic.num_sock_timeouts;
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break;
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case EPIPE:
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case ECONNRESET:
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++basic.num_sock_reset;
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break;
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case EPIPE:
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case ECONNRESET:
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++basic.num_sock_reset;
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break;
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default:
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if (first_time)
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{
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first_time = 0;
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fprintf (stderr, "%s: connection failed with unexpected error %d\n",
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prog_name, errno);
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default:
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if (first_time) {
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first_time = 0;
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fprintf(stderr,
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"%s: connection failed with unexpected error %d\n",
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prog_name, errno);
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}
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++basic.num_other_errors;
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break;
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}
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++basic.num_other_errors;
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break;
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}
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}
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static void
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conn_created (Event_Type et, Object *obj, Any_Type reg_arg, Any_Type c_arg)
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conn_created(Event_Type et, Object * obj, Any_Type reg_arg, Any_Type c_arg)
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{
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++num_active_conns;
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if (num_active_conns > basic.max_conns)
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basic.max_conns = num_active_conns;
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++num_active_conns;
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if (num_active_conns > basic.max_conns)
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basic.max_conns = num_active_conns;
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}
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static void
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conn_connecting (Event_Type et, Object *obj, Any_Type reg_arg, Any_Type c_arg)
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conn_connecting(Event_Type et, Object * obj, Any_Type reg_arg, Any_Type c_arg)
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{
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Conn *s = (Conn *) obj;
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Conn *s = (Conn *) obj;
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assert (et == EV_CONN_CONNECTING && object_is_conn (s));
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assert(et == EV_CONN_CONNECTING && object_is_conn(s));
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s->basic.time_connect_start = timer_now ();
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++basic.num_conns_issued;
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s->basic.time_connect_start = timer_now();
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++basic.num_conns_issued;
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}
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static void
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conn_connected (Event_Type et, Object *obj, Any_Type reg_arg,
|
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Any_Type call_arg)
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conn_connected(Event_Type et, Object * obj, Any_Type reg_arg,
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Any_Type call_arg)
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{
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Conn *s = (Conn *) obj;
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Conn *s = (Conn *) obj;
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assert (et == EV_CONN_CONNECTED && object_is_conn (s));
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basic.conn_connect_sum += timer_now () - s->basic.time_connect_start;
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++basic.num_connects;
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assert(et == EV_CONN_CONNECTED && object_is_conn(s));
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basic.conn_connect_sum += timer_now() - s->basic.time_connect_start;
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++basic.num_connects;
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}
|
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|
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static void
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conn_destroyed (Event_Type et, Object *obj, Any_Type reg_arg, Any_Type c_arg)
|
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conn_destroyed(Event_Type et, Object * obj, Any_Type reg_arg, Any_Type c_arg)
|
||||
{
|
||||
Conn *s = (Conn *) obj;
|
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Time lifetime;
|
||||
u_int bin;
|
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Conn *s = (Conn *) obj;
|
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Time lifetime;
|
||||
u_int bin;
|
||||
|
||||
assert (et == EV_CONN_DESTROYED && object_is_conn (s)
|
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&& num_active_conns > 0);
|
||||
assert(et == EV_CONN_DESTROYED && object_is_conn(s)
|
||||
&& num_active_conns > 0);
|
||||
|
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if (s->basic.num_calls_completed > 0)
|
||||
{
|
||||
lifetime = timer_now () - s->basic.time_connect_start;
|
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basic.conn_lifetime_sum += lifetime;
|
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basic.conn_lifetime_sum2 += SQUARE (lifetime);
|
||||
if (lifetime < basic.conn_lifetime_min)
|
||||
basic.conn_lifetime_min = lifetime;
|
||||
if (lifetime > basic.conn_lifetime_max)
|
||||
basic.conn_lifetime_max = lifetime;
|
||||
++basic.num_lifetimes;
|
||||
if (s->basic.num_calls_completed > 0) {
|
||||
lifetime = timer_now() - s->basic.time_connect_start;
|
||||
basic.conn_lifetime_sum += lifetime;
|
||||
basic.conn_lifetime_sum2 += SQUARE(lifetime);
|
||||
if (lifetime < basic.conn_lifetime_min)
|
||||
basic.conn_lifetime_min = lifetime;
|
||||
if (lifetime > basic.conn_lifetime_max)
|
||||
basic.conn_lifetime_max = lifetime;
|
||||
++basic.num_lifetimes;
|
||||
|
||||
bin = lifetime*NUM_BINS/MAX_LIFETIME;
|
||||
if (bin >= NUM_BINS)
|
||||
bin = NUM_BINS;
|
||||
++basic.conn_lifetime_hist[bin];
|
||||
}
|
||||
--num_active_conns;
|
||||
}
|
||||
|
||||
static void
|
||||
send_start (Event_Type et, Object *obj, Any_Type reg_arg, Any_Type call_arg)
|
||||
{
|
||||
Call *c = (Call *) obj;
|
||||
|
||||
assert (et == EV_CALL_SEND_START && object_is_call (c));
|
||||
|
||||
c->basic.time_send_start = timer_now ();
|
||||
}
|
||||
|
||||
static void
|
||||
send_stop (Event_Type et, Object *obj, Any_Type reg_arg, Any_Type call_arg)
|
||||
{
|
||||
Call *c = (Call *) obj;
|
||||
|
||||
assert (et == EV_CALL_SEND_STOP && object_is_call (c));
|
||||
|
||||
basic.req_bytes_sent += c->req.size;
|
||||
++basic.num_sent;
|
||||
}
|
||||
|
||||
static void
|
||||
recv_start (Event_Type et, Object *obj, Any_Type reg_arg, Any_Type call_arg)
|
||||
{
|
||||
Call *c = (Call *) obj;
|
||||
Time now;
|
||||
|
||||
assert (et == EV_CALL_RECV_START && object_is_call (c));
|
||||
|
||||
now = timer_now ();
|
||||
|
||||
basic.call_response_sum += now - c->basic.time_send_start;
|
||||
c->basic.time_recv_start = now;
|
||||
++basic.num_responses;
|
||||
}
|
||||
|
||||
static void
|
||||
recv_stop (Event_Type et, Object *obj, Any_Type reg_arg, Any_Type call_arg)
|
||||
{
|
||||
Call *c = (Call *) obj;
|
||||
int index;
|
||||
|
||||
assert (et == EV_CALL_RECV_STOP && object_is_call (c));
|
||||
assert (c->basic.time_recv_start > 0);
|
||||
|
||||
basic.call_xfer_sum += timer_now () - c->basic.time_recv_start;
|
||||
|
||||
basic.hdr_bytes_received += c->reply.header_bytes;
|
||||
basic.reply_bytes_received += c->reply.content_bytes;
|
||||
basic.footer_bytes_received += c->reply.footer_bytes;
|
||||
|
||||
index = (c->reply.status / 100);
|
||||
assert ((unsigned) index < NELEMS (basic.num_replies));
|
||||
++basic.num_replies[index];
|
||||
++num_replies;
|
||||
|
||||
++c->conn->basic.num_calls_completed;
|
||||
}
|
||||
|
||||
static void
|
||||
init (void)
|
||||
{
|
||||
Any_Type arg;
|
||||
|
||||
basic.conn_lifetime_min = DBL_MAX;
|
||||
basic.reply_rate_min = DBL_MAX;
|
||||
|
||||
arg.l = 0;
|
||||
event_register_handler (EV_PERF_SAMPLE, perf_sample, arg);
|
||||
event_register_handler (EV_CONN_FAILED, conn_fail, arg);
|
||||
event_register_handler (EV_CONN_TIMEOUT, conn_timeout, arg);
|
||||
event_register_handler (EV_CONN_NEW, conn_created, arg);
|
||||
event_register_handler (EV_CONN_CONNECTING, conn_connecting, arg);
|
||||
event_register_handler (EV_CONN_CONNECTED, conn_connected, arg);
|
||||
event_register_handler (EV_CONN_DESTROYED, conn_destroyed, arg);
|
||||
event_register_handler (EV_CALL_SEND_START, send_start, arg);
|
||||
event_register_handler (EV_CALL_SEND_STOP, send_stop, arg);
|
||||
event_register_handler (EV_CALL_RECV_START, recv_start, arg);
|
||||
event_register_handler (EV_CALL_RECV_STOP, recv_stop, arg);
|
||||
}
|
||||
|
||||
static void
|
||||
dump (void)
|
||||
{
|
||||
Time conn_period = 0.0, call_period = 0.0;
|
||||
Time conn_time = 0.0, resp_time = 0.0, xfer_time = 0.0;
|
||||
Time call_size = 0.0, hdr_size = 0.0, reply_size = 0.0, footer_size = 0.0;
|
||||
Time lifetime_avg = 0.0, lifetime_stddev = 0.0, lifetime_median = 0.0;
|
||||
double reply_rate_avg = 0.0, reply_rate_stddev = 0.0;
|
||||
int i, total_replies = 0;
|
||||
Time delta, user, sys;
|
||||
u_wide total_size;
|
||||
Time time;
|
||||
u_int n;
|
||||
|
||||
for (i = 1; i < NELEMS (basic.num_replies); ++i)
|
||||
total_replies += basic.num_replies[i];
|
||||
|
||||
delta = test_time_stop - test_time_start;
|
||||
|
||||
if (verbose > 1)
|
||||
{
|
||||
printf ("\nConnection lifetime histogram (time in ms):\n");
|
||||
for (i = 0; i < NUM_BINS; ++i)
|
||||
if (basic.conn_lifetime_hist[i])
|
||||
{
|
||||
if (i > 0 && basic.conn_lifetime_hist[i - 1] == 0)
|
||||
printf ("%14c\n", ':');
|
||||
time = (i + 0.5)*BIN_WIDTH;
|
||||
printf ("%16.1f %u\n", 1e3*time, basic.conn_lifetime_hist[i]);
|
||||
}
|
||||
}
|
||||
|
||||
printf ("\nTotal: connections %u requests %u replies %u "
|
||||
"test-duration %.3f s\n",
|
||||
basic.num_conns_issued, basic.num_sent, total_replies,
|
||||
delta);
|
||||
|
||||
putchar ('\n');
|
||||
|
||||
if (basic.num_conns_issued)
|
||||
conn_period = delta/basic.num_conns_issued;
|
||||
printf ("Connection rate: %.1f conn/s (%.1f ms/conn, "
|
||||
"<=%u concurrent connections)\n",
|
||||
basic.num_conns_issued / delta, 1e3*conn_period, basic.max_conns);
|
||||
|
||||
if (basic.num_lifetimes > 0)
|
||||
{
|
||||
lifetime_avg = (basic.conn_lifetime_sum / basic.num_lifetimes);
|
||||
if (basic.num_lifetimes > 1)
|
||||
lifetime_stddev = STDDEV (basic.conn_lifetime_sum,
|
||||
basic.conn_lifetime_sum2,
|
||||
basic.num_lifetimes);
|
||||
n = 0;
|
||||
for (i = 0; i < NUM_BINS; ++i)
|
||||
{
|
||||
n += basic.conn_lifetime_hist[i];
|
||||
if (n >= 0.5*basic.num_lifetimes)
|
||||
{
|
||||
lifetime_median = (i + 0.5)*BIN_WIDTH;
|
||||
break;
|
||||
}
|
||||
bin = lifetime * NUM_BINS / MAX_LIFETIME;
|
||||
if (bin >= NUM_BINS)
|
||||
bin = NUM_BINS;
|
||||
++basic.conn_lifetime_hist[bin];
|
||||
}
|
||||
}
|
||||
printf ("Connection time [ms]: min %.1f avg %.1f max %.1f median %.1f "
|
||||
"stddev %.1f\n",
|
||||
basic.num_lifetimes > 0 ? 1e3 * basic.conn_lifetime_min : 0.0,
|
||||
1e3 * lifetime_avg,
|
||||
1e3 * basic.conn_lifetime_max, 1e3 * lifetime_median,
|
||||
1e3 * lifetime_stddev);
|
||||
if (basic.num_connects > 0)
|
||||
conn_time = basic.conn_connect_sum / basic.num_connects;
|
||||
printf ("Connection time [ms]: connect %.1f\n", 1e3*conn_time);
|
||||
printf ("Connection length [replies/conn]: %.3f\n",
|
||||
basic.num_lifetimes > 0
|
||||
? total_replies/ (double) basic.num_lifetimes : 0.0);
|
||||
putchar ('\n');
|
||||
|
||||
if (basic.num_sent > 0)
|
||||
call_period = delta/basic.num_sent;
|
||||
printf ("Request rate: %.1f req/s (%.1f ms/req)\n",
|
||||
basic.num_sent / delta, 1e3*call_period);
|
||||
|
||||
if (basic.num_sent)
|
||||
call_size = basic.req_bytes_sent / basic.num_sent;
|
||||
printf ("Request size [B]: %.1f\n", call_size);
|
||||
|
||||
putchar ('\n');
|
||||
|
||||
if (basic.num_reply_rates > 0)
|
||||
{
|
||||
reply_rate_avg = (basic.reply_rate_sum / basic.num_reply_rates);
|
||||
if (basic.num_reply_rates > 1)
|
||||
reply_rate_stddev = STDDEV (basic.reply_rate_sum,
|
||||
basic.reply_rate_sum2,
|
||||
basic.num_reply_rates);
|
||||
}
|
||||
printf ("Reply rate [replies/s]: min %.1f avg %.1f max %.1f stddev %.1f "
|
||||
"(%u samples)\n",
|
||||
basic.num_reply_rates > 0 ? basic.reply_rate_min : 0.0,
|
||||
reply_rate_avg, basic.reply_rate_max,
|
||||
reply_rate_stddev, basic.num_reply_rates);
|
||||
|
||||
if (basic.num_responses > 0)
|
||||
resp_time = basic.call_response_sum / basic.num_responses;
|
||||
if (total_replies > 0)
|
||||
xfer_time = basic.call_xfer_sum / total_replies;
|
||||
printf ("Reply time [ms]: response %.1f transfer %.1f\n",
|
||||
1e3*resp_time, 1e3*xfer_time);
|
||||
|
||||
if (total_replies)
|
||||
{
|
||||
hdr_size = basic.hdr_bytes_received / total_replies;
|
||||
reply_size = basic.reply_bytes_received / total_replies;
|
||||
footer_size = basic.footer_bytes_received / total_replies;
|
||||
}
|
||||
printf ("Reply size [B]: header %.1f content %.1f footer %.1f "
|
||||
"(total %.1f)\n", hdr_size, reply_size, footer_size,
|
||||
hdr_size + reply_size + footer_size);
|
||||
|
||||
printf ("Reply status: 1xx=%u 2xx=%u 3xx=%u 4xx=%u 5xx=%u\n",
|
||||
basic.num_replies[1], basic.num_replies[2], basic.num_replies[3],
|
||||
basic.num_replies[4], basic.num_replies[5]);
|
||||
|
||||
putchar ('\n');
|
||||
|
||||
user = (TV_TO_SEC (test_rusage_stop.ru_utime)
|
||||
- TV_TO_SEC (test_rusage_start.ru_utime));
|
||||
sys = (TV_TO_SEC (test_rusage_stop.ru_stime)
|
||||
- TV_TO_SEC (test_rusage_start.ru_stime));
|
||||
printf ("CPU time [s]: user %.2f system %.2f (user %.1f%% system %.1f%% "
|
||||
"total %.1f%%)\n", user, sys, 100.0*user/delta, 100.0*sys/delta,
|
||||
100.0*(user + sys)/delta);
|
||||
|
||||
total_size = (basic.req_bytes_sent
|
||||
+ basic.hdr_bytes_received + basic.reply_bytes_received);
|
||||
printf ("Net I/O: %.1f KB/s (%.1f*10^6 bps)\n",
|
||||
total_size/delta / 1024.0, 8e-6*total_size/delta);
|
||||
|
||||
putchar ('\n');
|
||||
|
||||
printf ("Errors: total %u client-timo %u socket-timo %u "
|
||||
"connrefused %u connreset %u\n"
|
||||
"Errors: fd-unavail %u addrunavail %u ftab-full %u other %u\n",
|
||||
(basic.num_client_timeouts + basic.num_sock_timeouts
|
||||
+ basic.num_sock_fdunavail + basic.num_sock_ftabfull
|
||||
+ basic.num_sock_refused + basic.num_sock_reset
|
||||
+ basic.num_sock_addrunavail + basic.num_other_errors),
|
||||
basic.num_client_timeouts, basic.num_sock_timeouts,
|
||||
basic.num_sock_refused, basic.num_sock_reset,
|
||||
basic.num_sock_fdunavail, basic.num_sock_addrunavail,
|
||||
basic.num_sock_ftabfull, basic.num_other_errors);
|
||||
--num_active_conns;
|
||||
}
|
||||
|
||||
Stat_Collector stats_basic =
|
||||
{
|
||||
"Basic statistics",
|
||||
init,
|
||||
no_op,
|
||||
no_op,
|
||||
dump
|
||||
};
|
||||
static void
|
||||
send_start(Event_Type et, Object * obj, Any_Type reg_arg, Any_Type call_arg)
|
||||
{
|
||||
Call *c = (Call *) obj;
|
||||
|
||||
assert(et == EV_CALL_SEND_START && object_is_call(c));
|
||||
|
||||
c->basic.time_send_start = timer_now();
|
||||
}
|
||||
|
||||
static void
|
||||
send_stop(Event_Type et, Object * obj, Any_Type reg_arg, Any_Type call_arg)
|
||||
{
|
||||
Call *c = (Call *) obj;
|
||||
|
||||
assert(et == EV_CALL_SEND_STOP && object_is_call(c));
|
||||
|
||||
basic.req_bytes_sent += c->req.size;
|
||||
++basic.num_sent;
|
||||
}
|
||||
|
||||
static void
|
||||
recv_start(Event_Type et, Object * obj, Any_Type reg_arg, Any_Type call_arg)
|
||||
{
|
||||
Call *c = (Call *) obj;
|
||||
Time now;
|
||||
|
||||
assert(et == EV_CALL_RECV_START && object_is_call(c));
|
||||
|
||||
now = timer_now();
|
||||
|
||||
basic.call_response_sum += now - c->basic.time_send_start;
|
||||
c->basic.time_recv_start = now;
|
||||
++basic.num_responses;
|
||||
}
|
||||
|
||||
static void
|
||||
recv_stop(Event_Type et, Object * obj, Any_Type reg_arg, Any_Type call_arg)
|
||||
{
|
||||
Call *c = (Call *) obj;
|
||||
int index;
|
||||
|
||||
assert(et == EV_CALL_RECV_STOP && object_is_call(c));
|
||||
assert(c->basic.time_recv_start > 0);
|
||||
|
||||
basic.call_xfer_sum += timer_now() - c->basic.time_recv_start;
|
||||
|
||||
basic.hdr_bytes_received += c->reply.header_bytes;
|
||||
basic.reply_bytes_received += c->reply.content_bytes;
|
||||
basic.footer_bytes_received += c->reply.footer_bytes;
|
||||
|
||||
index = (c->reply.status / 100);
|
||||
assert((unsigned) index < NELEMS(basic.num_replies));
|
||||
++basic.num_replies[index];
|
||||
++num_replies;
|
||||
|
||||
++c->conn->basic.num_calls_completed;
|
||||
}
|
||||
|
||||
static void
|
||||
init(void)
|
||||
{
|
||||
Any_Type arg;
|
||||
|
||||
basic.conn_lifetime_min = DBL_MAX;
|
||||
basic.reply_rate_min = DBL_MAX;
|
||||
|
||||
arg.l = 0;
|
||||
event_register_handler(EV_PERF_SAMPLE, perf_sample, arg);
|
||||
event_register_handler(EV_CONN_FAILED, conn_fail, arg);
|
||||
event_register_handler(EV_CONN_TIMEOUT, conn_timeout, arg);
|
||||
event_register_handler(EV_CONN_NEW, conn_created, arg);
|
||||
event_register_handler(EV_CONN_CONNECTING, conn_connecting, arg);
|
||||
event_register_handler(EV_CONN_CONNECTED, conn_connected, arg);
|
||||
event_register_handler(EV_CONN_DESTROYED, conn_destroyed, arg);
|
||||
event_register_handler(EV_CALL_SEND_START, send_start, arg);
|
||||
event_register_handler(EV_CALL_SEND_STOP, send_stop, arg);
|
||||
event_register_handler(EV_CALL_RECV_START, recv_start, arg);
|
||||
event_register_handler(EV_CALL_RECV_STOP, recv_stop, arg);
|
||||
}
|
||||
|
||||
static void
|
||||
dump(void)
|
||||
{
|
||||
Time conn_period = 0.0, call_period = 0.0;
|
||||
Time conn_time = 0.0, resp_time = 0.0, xfer_time = 0.0;
|
||||
Time call_size = 0.0, hdr_size = 0.0, reply_size =
|
||||
0.0, footer_size = 0.0;
|
||||
Time lifetime_avg = 0.0, lifetime_stddev =
|
||||
0.0, lifetime_median = 0.0;
|
||||
double reply_rate_avg = 0.0, reply_rate_stddev = 0.0;
|
||||
int i, total_replies = 0;
|
||||
Time delta, user, sys;
|
||||
u_wide total_size;
|
||||
Time time;
|
||||
u_int n;
|
||||
|
||||
for (i = 1; i < NELEMS(basic.num_replies); ++i)
|
||||
total_replies += basic.num_replies[i];
|
||||
|
||||
delta = test_time_stop - test_time_start;
|
||||
|
||||
if (verbose > 1) {
|
||||
printf("\nConnection lifetime histogram (time in ms):\n");
|
||||
for (i = 0; i < NUM_BINS; ++i)
|
||||
if (basic.conn_lifetime_hist[i]) {
|
||||
if (i > 0 && basic.conn_lifetime_hist[i - 1] == 0)
|
||||
printf("%14c\n", ':');
|
||||
time = (i + 0.5) * BIN_WIDTH;
|
||||
printf("%16.1f %u\n", 1e3 * time,
|
||||
basic.conn_lifetime_hist[i]);
|
||||
}
|
||||
}
|
||||
|
||||
printf("\nTotal: connections %u requests %u replies %u "
|
||||
"test-duration %.3f s\n",
|
||||
basic.num_conns_issued, basic.num_sent, total_replies, delta);
|
||||
|
||||
putchar('\n');
|
||||
|
||||
if (basic.num_conns_issued)
|
||||
conn_period = delta / basic.num_conns_issued;
|
||||
printf("Connection rate: %.1f conn/s (%.1f ms/conn, "
|
||||
"<=%u concurrent connections)\n",
|
||||
basic.num_conns_issued / delta, 1e3 * conn_period,
|
||||
basic.max_conns);
|
||||
|
||||
if (basic.num_lifetimes > 0) {
|
||||
lifetime_avg = (basic.conn_lifetime_sum / basic.num_lifetimes);
|
||||
if (basic.num_lifetimes > 1)
|
||||
lifetime_stddev = STDDEV(basic.conn_lifetime_sum,
|
||||
basic.conn_lifetime_sum2,
|
||||
basic.num_lifetimes);
|
||||
n = 0;
|
||||
for (i = 0; i < NUM_BINS; ++i) {
|
||||
n += basic.conn_lifetime_hist[i];
|
||||
if (n >= 0.5 * basic.num_lifetimes) {
|
||||
lifetime_median = (i + 0.5) * BIN_WIDTH;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
printf("Connection time [ms]: min %.1f avg %.1f max %.1f median %.1f "
|
||||
"stddev %.1f\n",
|
||||
basic.num_lifetimes > 0 ? 1e3 * basic.conn_lifetime_min : 0.0,
|
||||
1e3 * lifetime_avg,
|
||||
1e3 * basic.conn_lifetime_max, 1e3 * lifetime_median,
|
||||
1e3 * lifetime_stddev);
|
||||
if (basic.num_connects > 0)
|
||||
conn_time = basic.conn_connect_sum / basic.num_connects;
|
||||
printf("Connection time [ms]: connect %.1f\n", 1e3 * conn_time);
|
||||
printf("Connection length [replies/conn]: %.3f\n",
|
||||
basic.num_lifetimes > 0
|
||||
? total_replies / (double) basic.num_lifetimes : 0.0);
|
||||
putchar('\n');
|
||||
|
||||
if (basic.num_sent > 0)
|
||||
call_period = delta / basic.num_sent;
|
||||
printf("Request rate: %.1f req/s (%.1f ms/req)\n",
|
||||
basic.num_sent / delta, 1e3 * call_period);
|
||||
|
||||
if (basic.num_sent)
|
||||
call_size = basic.req_bytes_sent / basic.num_sent;
|
||||
printf("Request size [B]: %.1f\n", call_size);
|
||||
|
||||
putchar('\n');
|
||||
|
||||
if (basic.num_reply_rates > 0) {
|
||||
reply_rate_avg = (basic.reply_rate_sum / basic.num_reply_rates);
|
||||
if (basic.num_reply_rates > 1)
|
||||
reply_rate_stddev = STDDEV(basic.reply_rate_sum,
|
||||
basic.reply_rate_sum2,
|
||||
basic.num_reply_rates);
|
||||
}
|
||||
printf
|
||||
("Reply rate [replies/s]: min %.1f avg %.1f max %.1f stddev %.1f "
|
||||
"(%u samples)\n",
|
||||
basic.num_reply_rates > 0 ? basic.reply_rate_min : 0.0,
|
||||
reply_rate_avg, basic.reply_rate_max, reply_rate_stddev,
|
||||
basic.num_reply_rates);
|
||||
|
||||
if (basic.num_responses > 0)
|
||||
resp_time = basic.call_response_sum / basic.num_responses;
|
||||
if (total_replies > 0)
|
||||
xfer_time = basic.call_xfer_sum / total_replies;
|
||||
printf("Reply time [ms]: response %.1f transfer %.1f\n",
|
||||
1e3 * resp_time, 1e3 * xfer_time);
|
||||
|
||||
if (total_replies) {
|
||||
hdr_size = basic.hdr_bytes_received / total_replies;
|
||||
reply_size = basic.reply_bytes_received / total_replies;
|
||||
footer_size = basic.footer_bytes_received / total_replies;
|
||||
}
|
||||
printf("Reply size [B]: header %.1f content %.1f footer %.1f "
|
||||
"(total %.1f)\n", hdr_size, reply_size, footer_size,
|
||||
hdr_size + reply_size + footer_size);
|
||||
|
||||
printf("Reply status: 1xx=%u 2xx=%u 3xx=%u 4xx=%u 5xx=%u\n",
|
||||
basic.num_replies[1], basic.num_replies[2],
|
||||
basic.num_replies[3], basic.num_replies[4], basic.num_replies[5]);
|
||||
|
||||
putchar('\n');
|
||||
|
||||
user = (TV_TO_SEC(test_rusage_stop.ru_utime)
|
||||
- TV_TO_SEC(test_rusage_start.ru_utime));
|
||||
sys = (TV_TO_SEC(test_rusage_stop.ru_stime)
|
||||
- TV_TO_SEC(test_rusage_start.ru_stime));
|
||||
printf
|
||||
("CPU time [s]: user %.2f system %.2f (user %.1f%% system %.1f%% "
|
||||
"total %.1f%%)\n", user, sys, 100.0 * user / delta,
|
||||
100.0 * sys / delta, 100.0 * (user + sys) / delta);
|
||||
|
||||
total_size = (basic.req_bytes_sent
|
||||
+ basic.hdr_bytes_received + basic.reply_bytes_received);
|
||||
printf("Net I/O: %.1f KB/s (%.1f*10^6 bps)\n",
|
||||
total_size / delta / 1024.0, 8e-6 * total_size / delta);
|
||||
|
||||
putchar('\n');
|
||||
|
||||
printf("Errors: total %u client-timo %u socket-timo %u "
|
||||
"connrefused %u connreset %u\n"
|
||||
"Errors: fd-unavail %u addrunavail %u ftab-full %u other %u\n",
|
||||
(basic.num_client_timeouts + basic.num_sock_timeouts
|
||||
+ basic.num_sock_fdunavail + basic.num_sock_ftabfull
|
||||
+ basic.num_sock_refused + basic.num_sock_reset
|
||||
+ basic.num_sock_addrunavail + basic.num_other_errors),
|
||||
basic.num_client_timeouts, basic.num_sock_timeouts,
|
||||
basic.num_sock_refused, basic.num_sock_reset,
|
||||
basic.num_sock_fdunavail, basic.num_sock_addrunavail,
|
||||
basic.num_sock_ftabfull, basic.num_other_errors);
|
||||
}
|
||||
|
||||
Stat_Collector stats_basic = {
|
||||
"Basic statistics",
|
||||
init,
|
||||
no_op,
|
||||
no_op,
|
||||
dump
|
||||
};
|
||||
|
||||
載入中…
新增問題並參考
Block a user