1 /* Copyright (C) 2010 Nils Carlson
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.
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.
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
22 #include <sys/types.h>
28 #include <ust/marker.h>
32 DEFINE_TRACE(hello_tptest
);
35 struct hello_trace_struct
{
39 struct hello_trace_struct hello_struct
= {
43 void tptest_probe(void *data
, int anint
)
45 struct hello_trace_struct
*hello
;
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
);
53 #define HELLO_LENGTH 100
55 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
);