diff options
Diffstat (limited to 'pr/tests/sel_spd.c')
| -rw-r--r-- | pr/tests/sel_spd.c | 555 |
1 files changed, 555 insertions, 0 deletions
diff --git a/pr/tests/sel_spd.c b/pr/tests/sel_spd.c new file mode 100644 index 0000000..56388e6 --- /dev/null +++ b/pr/tests/sel_spd.c @@ -0,0 +1,555 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Netscape Portable Runtime (NSPR). + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* + * Test the speed of select within NSPR + * + */ + +#include "nspr.h" +#include "prpriv.h" + +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> +#ifdef SYMBIAN +#include <getopt.h> +#endif + +#define PORT_BASE 19000 + +typedef struct timer_slot_t { + unsigned long d_connect; + unsigned long d_cl_data; + unsigned long d_sv_data; + unsigned long d_close; + unsigned long d_total; + unsigned long requests; +} timer_slot_t; + +static long _iterations = 5; +static long _client_data = 8192; + +#ifdef SYMBIAN +/* + * Symbian OS does not scale well specially the requirement for thread stack + * space and buffer allocation space. It is easy to get into a fragmented + * memory and not be able to allocate thread stack or client/server data + * buffer. + */ +static long _server_data = (8*1024); +static long _threads_max = 10, _threads = 10; +#else +static long _server_data = (128*1024); +static long _threads_max = 10, _threads = 10; +#endif + +static int verbose=0; +static PRMonitor *exit_cv; +static long _thread_exit_count; +static timer_slot_t *timer_data; +static PRThreadScope scope1, scope2; + +void tally_results(int); + +/* return the diff in microseconds */ +unsigned long _delta(PRIntervalTime *start, PRIntervalTime *stop) +{ + /* + * Will C do the right thing with unsigned arithemtic? + */ + return PR_IntervalToMicroseconds(*stop - *start); +} + +int _readn(PRFileDesc *sock, char *buf, int len) +{ + int rem; + int bytes; + + for (rem=len; rem; rem -= bytes) { + bytes = PR_Recv(sock, buf+len-rem, rem, 0, PR_INTERVAL_NO_TIMEOUT); + if (bytes <= 0) + return -1; + } + return len; +} + +void +_thread_exit(int id) +{ + PR_EnterMonitor(exit_cv); +#ifdef DEBUG + fprintf(stdout, "Thread %d EXIT\n", id); +#endif + + _thread_exit_count--; + if (_thread_exit_count == 0) { +#ifdef DEBUG + fprintf(stdout, "Thread %d EXIT triggered notify\n", id); +#endif + PR_Notify(exit_cv); + } + PR_ExitMonitor(exit_cv); +} + +void +_server_thread(void *arg_id) +{ + void _client_thread(void *); + PRThread *thread; + int *id = (int *)arg_id; + PRFileDesc *sock; + PRSocketOptionData sockopt; + PRNetAddr sa; + PRFileDesc * newsock; + char *data_buffer = NULL; + int data_buffer_size; + int index; + PRIntervalTime start, + connect_done, + read_done, + write_done, + close_done; + + +#ifdef DEBUG + fprintf(stdout, "server thread %d alive\n", *id); +#endif + + data_buffer_size = (_client_data>_server_data?_client_data:_server_data); + + if ( (data_buffer = (char *)PR_Malloc(data_buffer_size * sizeof(char))) == NULL ) { + fprintf(stderr, "Error creating buffer in server thread %d\n", *id); + goto done; + } + + + if ( (sock = PR_NewTCPSocket()) == NULL) { + fprintf(stderr, "Error creating socket in server thread %d\n", *id); + goto done; + } + + sockopt.option = PR_SockOpt_Reuseaddr; + sockopt.value.reuse_addr = PR_TRUE; + if ( PR_SetSocketOption(sock, &sockopt) == PR_FAILURE) { + fprintf(stderr, "Error setting socket option in server thread %d\n", *id); + goto done; + } + + memset(&sa, 0 , sizeof(sa)); + sa.inet.family = PR_AF_INET; + sa.inet.port = PR_htons(PORT_BASE + *id); + sa.inet.ip = PR_htonl(PR_INADDR_ANY); + + if ( PR_Bind(sock, &sa) < 0) { + fprintf(stderr, "Error binding socket in server thread %d errno = %d\n", *id, errno); + goto done; + } + + if ( PR_Listen(sock, 32) < 0 ) { + fprintf(stderr, "Error listening to socket in server thread %d\n", *id); + goto done; + } + + /* Tell the client to start */ + if ( (thread = PR_CreateThread(PR_USER_THREAD, + _client_thread, + id, + PR_PRIORITY_NORMAL, + scope2, + PR_UNJOINABLE_THREAD, + 0)) == NULL) + fprintf(stderr, "Error creating client thread %d\n", *id); + + for (index = 0; index< _iterations; index++) { + +#ifdef DEBUG + fprintf(stdout, "server thread %d loop %d\n", *id, index); +#endif + + start = PR_IntervalNow(); + + if ( (newsock = PR_Accept(sock, &sa, + PR_INTERVAL_NO_TIMEOUT)) == NULL) { + fprintf(stderr, "Error accepting connection %d in server thread %d\n", + index, *id); + goto done; + } +#ifdef DEBUG + fprintf(stdout, "server thread %d got connection %d\n", *id, newsock); +#endif + + + connect_done = PR_IntervalNow(); + + if ( _readn(newsock, data_buffer, _client_data) < _client_data) { + fprintf(stderr, "Error reading client data for iteration %d in server thread %d\n", index, *id ); + goto done; + } + +#ifdef DEBUG + fprintf(stdout, "server thread %d read %d bytes\n", *id, _client_data); +#endif + read_done = PR_IntervalNow(); + + if ( PR_Send(newsock, data_buffer, _server_data, 0, + PR_INTERVAL_NO_TIMEOUT) < _server_data) { + fprintf(stderr, "Error sending client data for iteration %d in server thread %d\n", index, *id ); + goto done; + } + +#ifdef DEBUG + fprintf(stdout, "server thread %d write %d bytes\n", *id, _server_data); +#endif + + write_done = PR_IntervalNow(); + + PR_Close(newsock); + + close_done = PR_IntervalNow(); + + timer_data[2*(*id)].d_connect += _delta(&start, &connect_done); + timer_data[2*(*id)].d_cl_data += _delta(&connect_done, &read_done); + timer_data[2*(*id)].d_sv_data += _delta(&read_done, &write_done); + timer_data[2*(*id)].d_close += _delta(&write_done, &close_done); + timer_data[2*(*id)].d_total += _delta(&start, &close_done); + timer_data[2*(*id)].requests++; + + +#ifdef DEBUG + fprintf(stdout, "server: %d %d %d %d %d\n", + _delta(&start, &connect_done), _delta(&connect_done, &read_done), + _delta(&read_done, &write_done), _delta(&write_done, &close_done), + _delta(&start, &close_done)); +#endif + } + +done: + if (data_buffer != NULL) PR_Free (data_buffer); + if (sock) PR_Close(sock); + _thread_exit(*id); + return; +} + +void +_client_thread(void *arg_id) +{ + int *id = (int *)arg_id; + int index; + PRNetAddr sa; + PRFileDesc *sock_h; + char *data_buffer = NULL; + int data_buffer_size; + int bytes; + PRIntervalTime start, + connect_done, + read_done, + write_done, + close_done; + PRStatus rv; + +#ifdef DEBUG + fprintf(stdout, "client thread %d alive\n", *id); +#endif + + data_buffer_size = (_client_data>_server_data?_client_data:_server_data); + + if ( (data_buffer = (char *)PR_Malloc(data_buffer_size * sizeof(char))) == NULL) { + fprintf(stderr, "Error creating buffer in server thread %d\n", *id); + goto done; + } + + memset(&sa, 0 , sizeof(sa)); + rv = PR_InitializeNetAddr(PR_IpAddrLoopback, PORT_BASE + *id, &sa); + PR_ASSERT(PR_SUCCESS == rv); + + for (index = 0; index< _iterations; index++) { + +#ifdef DEBUG + fprintf(stdout, "client thread %d loop %d\n", *id, index); +#endif + + start = PR_IntervalNow(); + if ( (sock_h = PR_NewTCPSocket()) == NULL) { + fprintf(stderr, "Error creating socket %d in client thread %d\n", + index, *id); + goto done; + } + +#ifdef DEBUG + fprintf(stdout, "client thread %d socket created %d\n", *id, sock_h); +#endif + + if ( PR_Connect(sock_h, &sa, + PR_INTERVAL_NO_TIMEOUT) < 0) { + fprintf(stderr, "Error accepting connection %d in client thread %d\n", + index, *id); + goto done; + } + +#ifdef DEBUG + fprintf(stdout, "client thread %d socket connected %d\n", *id, sock_h); +#endif + + connect_done = PR_IntervalNow(); + if ( PR_Send(sock_h, data_buffer, _client_data, 0, + PR_INTERVAL_NO_TIMEOUT) < _client_data) { + fprintf(stderr, "Error sending client data for iteration %d in client thread %d\n", index, *id ); + goto done; + } + +#ifdef DEBUG + fprintf(stdout, "client thread %d socket wrote %d\n", *id, _client_data); +#endif + + write_done = PR_IntervalNow(); + if ( (bytes = _readn(sock_h, data_buffer, _server_data)) < _server_data) { + fprintf(stderr, "Error reading server data for iteration %d in client thread %d (read %d bytes)\n", index, *id, bytes ); + goto done; + } + +#ifdef DEBUG + fprintf(stdout, "client thread %d socket read %d\n", *id, _server_data); +#endif + + read_done = PR_IntervalNow(); + PR_Close(sock_h); + close_done = PR_IntervalNow(); + + timer_data[2*(*id)+1].d_connect += _delta(&start, &connect_done); + timer_data[2*(*id)+1].d_cl_data += _delta(&connect_done, &write_done); + timer_data[2*(*id)+1].d_sv_data += _delta(&write_done, &read_done); + timer_data[2*(*id)+1].d_close += _delta(&read_done, &close_done); + timer_data[2*(*id)+1].d_total += _delta(&start, &close_done); + timer_data[2*(*id)+1].requests++; + } +done: + if (data_buffer != NULL) PR_Free (data_buffer); + _thread_exit(*id); + + return; +} + +static +void do_work(void) +{ + int index; + + _thread_exit_count = _threads * 2; + for (index=0; index<_threads; index++) { + PRThread *thread; + int *id = (int *)PR_Malloc(sizeof(int)); + + *id = index; + + if ( (thread = PR_CreateThread(PR_USER_THREAD, + _server_thread, + id, + PR_PRIORITY_NORMAL, + scope1, + PR_UNJOINABLE_THREAD, + 0)) == NULL) + fprintf(stderr, "Error creating server thread %d\n", index); + } + + PR_EnterMonitor(exit_cv); + while (_thread_exit_count > 0) + PR_Wait(exit_cv, PR_INTERVAL_NO_TIMEOUT); + PR_ExitMonitor(exit_cv); + + fprintf(stdout, "TEST COMPLETE!\n"); + + tally_results(verbose); + +} + +static void do_workUU(void) +{ + scope1 = PR_LOCAL_THREAD; + scope2 = PR_LOCAL_THREAD; + do_work(); +} + +static void do_workUK(void) +{ + scope1 = PR_LOCAL_THREAD; + scope2 = PR_GLOBAL_THREAD; + do_work(); +} + +static void do_workKU(void) +{ + scope1 = PR_GLOBAL_THREAD; + scope2 = PR_LOCAL_THREAD; + do_work(); +} + +static void do_workKK(void) +{ + scope1 = PR_GLOBAL_THREAD; + scope2 = PR_GLOBAL_THREAD; + do_work(); +} + + + +static void Measure(void (*func)(void), const char *msg) +{ + PRIntervalTime start, stop; + double d; + + start = PR_IntervalNow(); + (*func)(); + stop = PR_IntervalNow(); + + d = (double)PR_IntervalToMicroseconds(stop - start); + + printf("%40s: %6.2f usec\n", msg, d / _iterations); +} + + +int main(int argc, char **argv) +{ +#if defined(XP_UNIX) || defined(XP_OS2) + int opt; + PR_IMPORT_DATA(char *) optarg; +#endif + +#if defined(XP_UNIX) || defined(XP_OS2) + while ( (opt = getopt(argc, argv, "c:s:i:t:v")) != EOF) { + switch(opt) { + case 'i': + _iterations = atoi(optarg); + break; + case 't': + _threads_max = _threads = atoi(optarg); + break; + case 'c': + _client_data = atoi(optarg); + break; + case 's': + _server_data = atoi(optarg); + break; + case 'v': + verbose = 1; + break; + default: + break; + } + } +#endif + + PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0); + PR_STDIO_INIT(); + + fprintf(stdout, "Running test for %d iterations with %d simultaneous threads.\n", + _iterations, _threads); + fprintf(stdout, "\tWill send %d bytes of client data and %d bytes of server data\n", + _client_data, _server_data); + + if ( (exit_cv = PR_NewMonitor()) == NULL) + fprintf(stderr, "Error creating monitor for exit cv\n"); + if ( (timer_data = (timer_slot_t *)PR_Malloc(2*_threads * sizeof(timer_slot_t))) == NULL) + fprintf(stderr, "error allocating thread time results array\n"); + memset(timer_data, 0 , 2*_threads*sizeof(timer_slot_t)); + + Measure(do_workUU, "select loop user/user"); + Measure(do_workUK, "select loop user/kernel"); + Measure(do_workKU, "select loop kernel/user"); + Measure(do_workKK, "select loop kernel/kernel"); + + + return 0; +} + +void +tally_results(int verbose) +{ + int index; + unsigned long tot_connect = 0; + unsigned long tot_cl_data = 0; + unsigned long tot_sv_data = 0; + unsigned long tot_close = 0; + unsigned long tot_all = 0; + unsigned long tot_requests = 0; + + fprintf(stdout, "Server results:\n\n"); + for (index=0; index<_threads_max*2; index+=2) { + + if (verbose) + fprintf(stdout, "server thread %u\t%u\t%u\t%u\t%u\t%u\t%u\n", + index, timer_data[index].requests, timer_data[index].d_connect, + timer_data[index].d_cl_data, timer_data[index].d_sv_data, + timer_data[index].d_close, timer_data[index].d_total); + + tot_connect += timer_data[index].d_connect / _threads; + tot_cl_data += timer_data[index].d_cl_data / _threads; + tot_sv_data += timer_data[index].d_sv_data / _threads; + tot_close += timer_data[index].d_close / _threads; + tot_all += timer_data[index].d_total / _threads; + tot_requests += timer_data[index].requests / _threads; + } + fprintf(stdout, "----------\n"); + fprintf(stdout, "server per thread totals %u\t%u\t%u\t%u\t%u\n", + tot_requests, tot_connect, tot_cl_data, tot_sv_data, tot_close); + fprintf(stdout, "server per thread elapsed time %u\n", tot_all); + fprintf(stdout, "----------\n"); + + tot_connect = tot_cl_data = tot_sv_data = tot_close = tot_all = tot_requests = 0; + fprintf(stdout, "Client results:\n\n"); + for (index=1; index<_threads_max*2; index+=2) { + + if (verbose) + fprintf(stdout, "client thread %u\t%u\t%u\t%u\t%u\t%u\t%u\n", + index, timer_data[index].requests, timer_data[index].d_connect, + timer_data[index].d_cl_data, timer_data[index].d_sv_data, + timer_data[index].d_close, timer_data[index].d_total); + + tot_connect += timer_data[index].d_connect / _threads; + tot_cl_data += timer_data[index].d_cl_data / _threads; + tot_sv_data += timer_data[index].d_sv_data / _threads; + tot_close += timer_data[index].d_close / _threads; + tot_all += timer_data[index].d_total / _threads; + tot_requests += timer_data[index].requests / _threads; + } + fprintf(stdout, "----------\n"); + fprintf(stdout, "client per thread totals %u\t%u\t%u\t%u\t%u\n", + tot_requests, tot_connect, tot_cl_data, tot_sv_data, tot_close); + fprintf(stdout, "client per thread elapsed time %u\n", tot_all); +} + |