source: test/test-format-parallel-stressthreads.c @ 98dc1ba

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivelibtrace4ndag_formatpfringrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since 98dc1ba was 98dc1ba, checked in by Richard Sanger <rsangerarj@…>, 6 years ago

Update tests to use the updated interface.

Also fixes some compile time warnings

  • Property mode set to 100644
File size: 6.4 KB
Line 
1/*
2 * This file is part of libtrace
3 *
4 * Copyright (c) 2007 The University of Waikato, Hamilton, New Zealand.
5 * Authors: Daniel Lawson
6 *          Perry Lorier
7 *         
8 * All rights reserved.
9 *
10 * This code has been developed by the University of Waikato WAND
11 * research group. For further information please see http://www.wand.net.nz/
12 *
13 * libtrace is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * libtrace is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with libtrace; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
26 *
27 * $Id: test-rtclient.c,v 1.2 2006/02/27 03:41:12 perry Exp $
28 *
29 */
30#ifndef WIN32
31#  include <sys/time.h>
32#  include <netinet/in.h>
33#  include <netinet/in_systm.h>
34#  include <netinet/tcp.h>
35#  include <netinet/ip.h>
36#  include <netinet/ip_icmp.h>
37#  include <arpa/inet.h>
38#  include <sys/socket.h>
39#endif
40#include <stdio.h>
41#include <stdlib.h>
42#include <assert.h>
43#include <string.h>
44#include <sys/types.h>
45#include <time.h>
46#include <string.h>
47#include <signal.h>
48#include <unistd.h>
49
50#include "dagformat.h"
51#include "libtrace.h"
52#include "data-struct/vector.h"
53
54void iferr(libtrace_t *trace,const char *msg)
55{
56        libtrace_err_t err = trace_get_err(trace);
57        if (err.err_num==0)
58                return;
59        printf("Error: %s: %s\n", msg, err.problem);
60        exit(1);
61}
62
63const char *lookup_uri(const char *type) {
64        if (strchr(type,':'))
65                return type;
66        if (!strcmp(type,"erf"))
67                return "erf:traces/100_packets.erf";
68        if (!strcmp(type,"rawerf"))
69                return "rawerf:traces/100_packets.erf";
70        if (!strcmp(type,"pcap"))
71                return "pcap:traces/100_packets.pcap";
72        if (!strcmp(type,"wtf"))
73                return "wtf:traces/wed.wtf";
74        if (!strcmp(type,"rtclient"))
75                return "rtclient:chasm";
76        if (!strcmp(type,"pcapfile"))
77                return "pcapfile:traces/100_packets.pcap";
78        if (!strcmp(type,"pcapfilens"))
79                return "pcapfile:traces/100_packetsns.pcap";
80        if (!strcmp(type, "duck"))
81                return "duck:traces/100_packets.duck";
82        if (!strcmp(type, "legacyatm"))
83                return "legacyatm:traces/legacyatm.gz";
84        if (!strcmp(type, "legacypos"))
85                return "legacypos:traces/legacypos.gz";
86        if (!strcmp(type, "legacyeth"))
87                return "legacyeth:traces/legacyeth.gz";
88        if (!strcmp(type, "tsh"))
89                return "tsh:traces/10_packets.tsh.gz";
90        return type;
91}
92
93
94struct TLS {
95        bool seen_start_message;
96        bool seen_stop_message;
97        bool seen_resuming_message;
98        bool seen_pausing_message;
99        int count;
100};
101
102static int totalpkts = 0;
103static void report_result(libtrace_t *trace, libtrace_result_t *result, libtrace_message_t *mesg) {
104        static int totalthreads = 0;
105        if (result) {
106                assert(libtrace_result_get_key(result) == 0);
107                printf("%d,", libtrace_result_get_value(result).sint);
108                totalthreads++;
109                totalpkts += libtrace_result_get_value(result).sint;
110        } else {
111                switch(mesg->code) {
112                        case MESSAGE_STARTING:
113                                // Should have a single thread here
114                                assert(libtrace_get_perpkt_count(trace) == 100);
115                                printf("\tLooks like %d threads are being used!\n\tcounts(", libtrace_get_perpkt_count(trace));
116                                break;
117                        case MESSAGE_STOPPING:
118                                printf(")\n");
119                                assert(totalthreads == libtrace_get_perpkt_count(trace));
120                                break;
121                }
122        }
123}
124
125static int x;
126static void* per_packet(libtrace_t *trace, libtrace_thread_t *t,
127                        int mesg, libtrace_generic_t data,
128                        libtrace_thread_t *sender UNUSED) {
129        struct TLS *tls;
130        void* ret;
131        int a,*b,c=0;
132        tls = trace_get_tls(t);
133
134        switch (mesg) {
135                assert(tls != NULL);
136                assert(!(tls->seen_stop_message));
137                tls->count++;
138                if (tls->count>100) {
139                        fprintf(stderr, "Too many packets someone should stop me!!\n");
140                        kill(getpid(), SIGTERM);
141                }
142                // Do some work to even out the load on cores
143                b = &c;
144                for (a = 0; a < 10000000; a++) {
145                        c += a**b;
146                }
147                x = c;
148                return data.pkt;
149        case MESSAGE_STARTING:
150                assert(tls == NULL);
151                tls = calloc(sizeof(struct TLS), 1);
152                ret = trace_set_tls(t, tls);
153                assert(ret == NULL);
154                tls->seen_start_message = true;
155                break;
156        case MESSAGE_STOPPING:
157                assert(tls->seen_start_message);
158                assert(tls != NULL);
159                tls->seen_stop_message = true;
160                trace_set_tls(t, NULL);
161
162                // All threads publish to verify the thread count
163                trace_publish_result(trace, t, (uint64_t) 0, (libtrace_generic_t){.sint=tls->count}, RESULT_NORMAL);
164                trace_post_reporter(trace);
165                free(tls);
166                break;
167        case MESSAGE_TICK:
168                assert(tls->seen_start_message );
169                fprintf(stderr, "Not expecting a tick packet\n");
170                kill(getpid(), SIGTERM);
171                break;
172        case MESSAGE_PAUSING:
173                assert(tls->seen_start_message);
174                tls->seen_pausing_message = true;
175                break;
176        case MESSAGE_RESUMING:
177                assert(tls->seen_pausing_message || tls->seen_start_message);
178                tls->seen_resuming_message = true;
179                break;
180        }
181        return NULL;
182}
183
184
185/**
186 * Test that the single threaded fallback works
187 */
188int test_100_threads(const char *tracename, int expected) {
189        libtrace_t *trace;
190        int error = 0;
191        int i;
192        printf("Testing single threaded\n");
193
194        // Create the trace
195        trace = trace_create(tracename);
196        iferr(trace,tracename);
197
198        // Enable the single threaded fallback codepath
199        i = 100;
200        trace_parallel_config(trace, TRACE_OPTION_SET_PERPKT_THREAD_COUNT, &i);
201
202        // Start it
203        trace_pstart(trace, NULL, per_packet, report_result);
204        iferr(trace,tracename);
205
206        /* Make sure traces survive a pause and restart */
207        trace_ppause(trace);
208        iferr(trace,tracename);
209        trace_pstart(trace, NULL, NULL, NULL);
210        iferr(trace,tracename);
211
212        /* Wait for all threads to stop */
213        trace_join(trace);
214
215        /* Now check we have all received all the packets */
216        if (error == 0) {
217                if (totalpkts == expected) {
218                        printf("success: %d packets read\n",expected);
219                } else {
220                        printf("failure: %d packets expected, %d seen\n",expected,totalpkts);
221                        error = 1;
222                }
223        } else {
224                iferr(trace,tracename);
225        }
226    trace_destroy(trace);
227    return error;
228}
229
230int main(int argc, char *argv[]) {
231        int error = 0;
232        int expected = 100;
233        const char *tracename;
234
235        if (argc<2) {
236                fprintf(stderr,"usage: %s type\n",argv[0]);
237                return 1;
238        }
239
240        tracename = lookup_uri(argv[1]);
241
242        if (strcmp(argv[1],"rtclient")==0) expected=101;
243
244        error = test_100_threads(tracename, expected);
245    return error;
246}
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