summaryrefslogtreecommitdiff
path: root/src/tests/dlt-test-stress.c
blob: ea178572adb35e52e1d18745e715c76eebbe3235 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
/*
 * Dlt Client test utilities - Diagnostic Log and Trace
 * @licence app begin@
 *
 * Copyright (C) 2011, BMW AG - Alexander Wenzel <alexander.wenzel@bmw.de>
 * 
 * This program is free software; you can redistribute it and/or modify it under the terms of the 
 * GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation.
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even 
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General 
 * Public License, version 2.1, for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License, version 2.1, along 
 * with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>.
 * 
 * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may 
 * also be applicable to programs even in cases in which the program is not a library in the technical sense.
 * 
 * Linking DLT statically or dynamically with other modules is making a combined work based on DLT. You may 
 * license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to 
 * license your linked modules under the GNU Lesser General Public License, version 2.1, you 
 * may use the program under the following exception.
 * 
 * As a special exception, the copyright holders of DLT give you permission to combine DLT 
 * with software programs or libraries that are released under any license unless such a combination is not
 * permitted by the license of such a software program or library. You may copy and distribute such a 
 * system following the terms of the GNU Lesser General Public License, version 2.1, including this
 * special exception, for DLT and the licenses of the other code concerned.
 * 
 * Note that people who make modified versions of DLT are not obligated to grant this special exception 
 * for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, 
 * version 2.1, gives permission to release a modified version without this exception; this exception 
 * also makes it possible to release a modified version which carries forward this exception.
 *
 * @licence end@
 */


/*******************************************************************************
**                                                                            **
**  SRC-MODULE: dlt-test-stress.c                                             **
**                                                                            **
**  TARGET    : linux                                                         **
**                                                                            **
**  PROJECT   : DLT                                                           **
**                                                                            **
**  AUTHOR    : Alexander Wenzel Alexander.AW.Wenzel@bmw.de                   **
**              Markus Klein                                                  **
**                                                                            **
**  PURPOSE   :                                                               **
**                                                                            **
**  REMARKS   :                                                               **
**                                                                            **
**  PLATFORM DEPENDANT [yes/no]: yes                                          **
**                                                                            **
**  TO BE CHANGED BY USER [yes/no]: no                                        **
**                                                                            **
*******************************************************************************/

/*******************************************************************************
**                      Author Identity                                       **
********************************************************************************
**                                                                            **
** Initials     Name                       Company                            **
** --------     -------------------------  ---------------------------------- **
**  aw          Alexander Wenzel           BMW                                **
**  mk          Markus Klein               Fraunhofer ESK                     **
*******************************************************************************/

/*******************************************************************************
**                      Revision Control History                              **
*******************************************************************************/

/*
 * $LastChangedRevision: 1670 $
 * $LastChangedDate: 2011-04-08 15:12:06 +0200 (Fr, 08. Apr 2011) $
 * $LastChangedBy$
 Initials    Date         Comment
 aw          13.01.2010   initial
 */
#include <netdb.h>
#include <ctype.h>      /* for isprint() */
#include <errno.h>
#include <stdio.h>      /* for printf() and fprintf() */
#include <stdlib.h>     /* for atoi() and exit() */
#include <string.h>     /* for memset() */
#include <unistd.h>     /* for close() */
#include <pthread.h>    /* POSIX Threads */

#include "dlt.h"
#include "dlt_common.h" /* for dlt_get_version() */

DltContext mycontext[9999];

typedef struct
{
    int num;
} thread_data_t;

#define STRESS1_NUM_CONTEXTS    3000
#define STRESS2_MAX_NUM_THREADS  256
#define STRESS3_MAX_NUM_MESSAGES 512

#define MAX_TESTS 3

void stress1(void);

void stress2(void);
void thread_function(void *ptr);

void stress3(void);

/**
 * Print usage information of tool.
 */
void usage()
{
    char version[255];

    dlt_get_version(version);

    printf("Usage: dlt-test-stress [options]\n");
    printf("Test application executing several stress tests.\n");
    printf("%s \n", version);
    printf("Options:\n");
    printf("  -v            Verbose mode\n");
    printf("  -f filename   Use local log file instead of sending to daemon\n");
    printf("  -1            Execute test 1 (register/unregister many contexts)\n");
    printf("  -2            Execute test 2 (multiple threads logging data)\n");
    printf("  -3            Execute test 3 (logging much data)\n");
}

/**
 * Main function of tool.
 */
int main(int argc, char* argv[])
{
    int  vflag = 0;
    char *fvalue = 0;
    int test[MAX_TESTS];

    int i,c,help;

    for (i=0;i<MAX_TESTS;i++)
    {
        test[i]=0;
    }

    opterr = 0;

    while ((c = getopt (argc, argv, "vf:123")) != -1)
    {
        switch (c)
        {
        case 'v':
        {
            vflag = 1;
            break;
        }
        case 'f':
        {
            fvalue = optarg;
            break;
        }
        case '1':
        {
            test[0] = 1;
            break;
        }
        case '2':
        {
            test[1] = 1;
            break;
        }
        case '3':
        {
            test[2] = 1;
            break;
        }
        case '?':
        {
            if (optopt == 'f')
            {
                fprintf (stderr, "Option -%c requires an argument.\n", optopt);
            }
            else if (isprint (optopt))
            {
                fprintf (stderr, "Unknown option `-%c'.\n", optopt);
            }
            else
            {
                fprintf (stderr, "Unknown option character `\\x%x'.\n",optopt);
            }
            /* unknown or wrong option used, show usage information and terminate */
            usage();
            return -1;
        }
        default:
        {
            abort ();
        }
        }
    }

    if (fvalue)
    {
        /* DLT is intialised automatically, except another output target will be used */
        if (dlt_init_file(fvalue)<0) /* log to file */
        {
            return -1;
        }
    }

    help=0;
    for (i=0;i<MAX_TESTS;i++)
    {
        if (test[i]==1)
        {
            help=1;
            break;
        }
    }

    if (help==0)
    {
        usage();
        return -1;
    }

    DLT_REGISTER_APP("DSTS","DLT daemon stress tests");

    if (test[0])
    {
    	stress1();
    }
    if (test[1])
    {
    	stress2();
    }
    if (test[2])
    {
    	stress3();
    }

    DLT_UNREGISTER_APP();

    sleep(1);

    return 0;
}

void stress1(void)
{
    int i,c;
    char ctid[5];

    printf("Starting stress test1... (press \"Enter\" to terminate test) \n");

    printf("* Register   %d contexts...\n",STRESS1_NUM_CONTEXTS);

    for (i=0; i<STRESS1_NUM_CONTEXTS; i++)
    {
        /* Generate id */
        memset(ctid,0,5);
        sprintf(ctid,"%d",i);

        //printf("%i: '%s' \n",i,ctid);

        dlt_register_context(&(mycontext[i]),ctid,ctid);
        usleep(500);
    }

    while (1)
    {
        c=getchar();
        /* if "Return" is pressed, exit loop; */
        if (c==10)
        {
            break;
        }
    }

    printf("* Unregister %d contexts...\n",STRESS1_NUM_CONTEXTS);

    for (i=0; i<STRESS1_NUM_CONTEXTS; i++)
    {
        DLT_UNREGISTER_CONTEXT(mycontext[i]);
        usleep(500);
    }

    printf("Finished stress test1 \n\n");
}

void stress2(void)
{
    int ret,index;

    pthread_t thread[STRESS2_MAX_NUM_THREADS];
    thread_data_t thread_data[STRESS2_MAX_NUM_THREADS];

    printf("Starting stress test2... \n");

    srand(time(NULL));

    printf("* Creating %d Threads, each of them registers one context,\n",STRESS2_MAX_NUM_THREADS);
    printf("  sending one log message, then unregisters the context\n");

    for (index=0;index<STRESS2_MAX_NUM_THREADS;index++)
    {
        thread_data[index].num = index;
        ret=pthread_create(&(thread[index]), NULL, (void *) &thread_function, (void *) &(thread_data[index]));
        if (ret!=0)
        {
			printf("Error creating thread %d: %s \n", index, strerror(errno));
        }

        usleep(1000);
    }

    for (index=0;index<STRESS2_MAX_NUM_THREADS;index++)
    {
        if (thread[index]!=0)
        {
            pthread_join(thread[index], NULL);
        }
    }

    printf("Finished stress test2 \n\n");
}

void thread_function(void *ptr)
{
    thread_data_t *data;
    DLT_DECLARE_CONTEXT(context_thread1);
    char ctid[5];

    data = (thread_data_t *) ptr;

    memset(ctid,0,5);

    /* Create random context id */
    sprintf(ctid,"%.2x", rand() & 0x0000ffff);

    usleep(rand()/1000);

    DLT_REGISTER_CONTEXT(context_thread1,ctid,ctid);

    DLT_LOG(context_thread1,DLT_LOG_INFO,DLT_STRING(ctid));

    DLT_UNREGISTER_CONTEXT(context_thread1);
}

void stress3(void)
{
    DLT_DECLARE_CONTEXT(context_stress3);
    char buffer[STRESS3_MAX_NUM_MESSAGES];
    int num;

    /* Performance test */
    DLT_REGISTER_CONTEXT(context_stress3,"TST3","Stress Test 3 - Performance");

    printf("Starting stress test3... \n");
    printf("* Logging raw data, up to a size of %d\n",STRESS3_MAX_NUM_MESSAGES);

    for (num=0;num<STRESS3_MAX_NUM_MESSAGES;num++)
    {
        buffer[num] = num;
        DLT_LOG(context_stress3,DLT_LOG_INFO,DLT_INT(num),DLT_RAW(buffer,num));
        usleep(1);
    }

    printf("Finished stress test3 \n\n");
}