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81614639 MD |
1 | /* |
2 | * Copyright (C) 2010 Nils Carlson | |
3 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
a5f09c2c NC |
4 | * |
5 | * This library is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU Lesser General Public | |
7 | * License as published by the Free Software Foundation; either | |
8 | * version 2.1 of the License, or (at your option) any later version. | |
9 | * | |
10 | * This library is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * Lesser General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU Lesser General Public | |
16 | * License along with this library; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | ||
20 | #include <stdio.h> | |
21 | #include <unistd.h> | |
22 | #include <sys/mman.h> | |
23 | #include <stdarg.h> | |
24 | #include <sys/types.h> | |
25 | #include <sys/stat.h> | |
a5f09c2c NC |
26 | #include <fcntl.h> |
27 | #include <signal.h> | |
28 | #include <pthread.h> | |
29 | ||
30 | #include <ust/marker.h> | |
31 | #include "usterr.h" | |
a5f09c2c | 32 | |
81614639 MD |
33 | #define TRACEPOINT_CREATE_PROBES |
34 | #include "tp.h" | |
a5f09c2c NC |
35 | |
36 | struct hello_trace_struct { | |
37 | char *message; | |
38 | }; | |
39 | ||
40 | struct hello_trace_struct hello_struct = { | |
41 | .message = "ehlo\n", | |
42 | }; | |
43 | ||
44 | void tptest_probe(void *data, int anint) | |
45 | { | |
46 | struct hello_trace_struct *hello; | |
47 | char message[30]; | |
81614639 | 48 | hello = (struct hello_trace_struct *)data; |
a5f09c2c NC |
49 | //printf("this is the message: %s\n", hello->message); |
50 | snprintf(message, 30, "this is the %s\n", hello->message); | |
51 | } | |
52 | ||
53 | ||
54 | #define HELLO_LENGTH 100 | |
55 | ||
81614639 | 56 | static void *register_thread_main(void *data) |
a5f09c2c | 57 | { |
e2b46575 | 58 | int i, j = 0; |
a5f09c2c NC |
59 | struct hello_trace_struct hello[HELLO_LENGTH]; |
60 | ||
81614639 MD |
61 | for (i = 0; i < HELLO_LENGTH; i++) { |
62 | hello[i].message = malloc(6 * sizeof(char)); | |
63 | hello[i].message[0] = 'a' + (i % 25); | |
a5f09c2c NC |
64 | memcpy(&hello[i].message[1], "ello", 5); |
65 | } | |
66 | ||
81614639 MD |
67 | for (i = 0; i < 1000; i++) { |
68 | while (!__register_tracepoint(hello_tptest, tptest_probe, | |
69 | &hello[j % HELLO_LENGTH])) { | |
a5f09c2c NC |
70 | usleep(10); |
71 | j++; | |
72 | } | |
73 | printf("Registered all\n"); | |
81614639 MD |
74 | while (!__unregister_tracepoint(hello_tptest, tptest_probe, |
75 | &hello[j % HELLO_LENGTH])) { | |
a5f09c2c NC |
76 | usleep(10); |
77 | j++; | |
78 | } | |
79 | printf("Unregistered all\n"); | |
80 | } | |
fbae86d6 | 81 | return NULL; |
a5f09c2c NC |
82 | } |
83 | ||
84 | ||
fbae86d6 | 85 | int main(int argc, char **argv) |
a5f09c2c NC |
86 | { |
87 | pthread_t register_thread; | |
88 | int i; | |
89 | ||
90 | pthread_create(®ister_thread, NULL, register_thread_main, NULL); | |
81614639 | 91 | for(i = 0; i < 1000000; i++) { |
cc7b66ba | 92 | tracepoint(hello_tptest, i); |
a5f09c2c NC |
93 | } |
94 | ||
95 | return 0; | |
96 | } |