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1 | /* Copyright (C) 2010 Nils Carlson |
2 | * | |
3 | * This library is free software; you can redistribute it and/or | |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public | |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
18 | #include <stdio.h> | |
19 | #include <unistd.h> | |
20 | #include <sys/mman.h> | |
21 | #include <stdarg.h> | |
22 | #include <sys/types.h> | |
23 | #include <sys/stat.h> | |
a5f09c2c NC |
24 | #include <fcntl.h> |
25 | #include <signal.h> | |
26 | #include <pthread.h> | |
27 | ||
28 | #include <ust/marker.h> | |
29 | #include "usterr.h" | |
a5f09c2c NC |
30 | #include "tp.h" |
31 | ||
8d71973c | 32 | DEFINE_TRACEPOINT(hello_tptest); |
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33 | |
34 | ||
35 | struct hello_trace_struct { | |
36 | char *message; | |
37 | }; | |
38 | ||
39 | struct hello_trace_struct hello_struct = { | |
40 | .message = "ehlo\n", | |
41 | }; | |
42 | ||
43 | void tptest_probe(void *data, int anint) | |
44 | { | |
45 | struct hello_trace_struct *hello; | |
46 | char message[30]; | |
47 | hello=(struct hello_trace_struct *)data; | |
48 | //printf("this is the message: %s\n", hello->message); | |
49 | snprintf(message, 30, "this is the %s\n", hello->message); | |
50 | } | |
51 | ||
52 | ||
53 | #define HELLO_LENGTH 100 | |
54 | ||
55 | static void * register_thread_main(void *data) | |
56 | { | |
e2b46575 | 57 | int i, j = 0; |
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58 | |
59 | struct hello_trace_struct hello[HELLO_LENGTH]; | |
60 | ||
61 | for (i=0; i<HELLO_LENGTH; i++) { | |
62 | hello[i].message = malloc(6*sizeof(char)); | |
63 | hello[i].message[0] = 'a'+i%25; | |
64 | memcpy(&hello[i].message[1], "ello", 5); | |
65 | } | |
66 | ||
67 | for (i=0; i<1000; i++) { | |
cc7b66ba | 68 | while (!register_tracepoint(hello_tptest, tptest_probe, |
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69 | &hello[j%HELLO_LENGTH])) { |
70 | usleep(10); | |
71 | j++; | |
72 | } | |
73 | printf("Registered all\n"); | |
cc7b66ba | 74 | while (!unregister_tracepoint(hello_tptest, tptest_probe, |
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75 | &hello[j%HELLO_LENGTH])) { |
76 | usleep(10); | |
77 | j++; | |
78 | } | |
79 | printf("Unregistered all\n"); | |
80 | } | |
fbae86d6 | 81 | return NULL; |
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82 | } |
83 | ||
84 | ||
fbae86d6 | 85 | int main(int argc, char **argv) |
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86 | { |
87 | pthread_t register_thread; | |
88 | int i; | |
89 | ||
90 | pthread_create(®ister_thread, NULL, register_thread_main, NULL); | |
91 | for(i=0; i<1000000; i++) { | |
cc7b66ba | 92 | tracepoint(hello_tptest, i); |
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93 | } |
94 | ||
95 | return 0; | |
96 | } |