2 * Copyright (C) 2010 Nils Carlson
3 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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.
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.
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
24 #include <sys/types.h>
30 #include <ust/marker.h>
33 #define TRACEPOINT_CREATE_PROBES
36 struct hello_trace_struct
{
40 struct hello_trace_struct hello_struct
= {
44 void tptest_probe(void *data
, int anint
)
46 struct hello_trace_struct
*hello
;
48 hello
= (struct hello_trace_struct
*)data
;
49 //printf("this is the message: %s\n", hello->message);
50 snprintf(message
, 30, "this is the %s\n", hello
->message
);
54 #define HELLO_LENGTH 100
56 static void *register_thread_main(void *data
)
59 struct hello_trace_struct hello
[HELLO_LENGTH
];
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);
67 for (i
= 0; i
< 1000; i
++) {
68 while (!__register_tracepoint(hello_tptest
, tptest_probe
,
69 &hello
[j
% HELLO_LENGTH
])) {
73 printf("Registered all\n");
74 while (!__unregister_tracepoint(hello_tptest
, tptest_probe
,
75 &hello
[j
% HELLO_LENGTH
])) {
79 printf("Unregistered all\n");
85 int main(int argc
, char **argv
)
87 pthread_t register_thread
;
90 pthread_create(®ister_thread
, NULL
, register_thread_main
, NULL
);
91 for(i
= 0; i
< 1000000; i
++) {
92 tracepoint(hello_tptest
, i
);