1 /* Copyright (C) 2009 Pierre-Marc Fournier
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
49 char *progname
= NULL
;
53 fprintf(stderr
, "usage: %s COMMAND PIDs...\n", progname
);
54 fprintf(stderr
, "\nControl the tracing of a process that supports LTTng Userspace Tracing.\n\
57 --start-trace\t\t\tStart tracing\n\
58 --stop-trace\t\t\tStop tracing\n\
59 --destroy-trace\t\t\tDestroy the trace\n\
60 --enable-marker \"CHANNEL/MARKER\"\tEnable a marker\n\
61 --disable-marker \"CHANNEL/MARKER\"\tDisable a marker\n\
62 --list-markers\t\t\tList the markers of the process, their\n\t\t\t\t\t state and format string\n\
67 int parse_opts_long(int argc
, char **argv
, struct ust_opts
*opts
)
73 opts
->regex_state
= -1;
77 static struct option long_options
[] = {
78 {"start-trace", 0, 0, 1000},
79 {"stop-trace", 0, 0, 1001},
80 {"destroy-trace", 0, 0, 1002},
81 {"list-markers", 0, 0, 1004},
82 {"print-markers", 0, 0, 1005},
84 {"enable-marker", 1, 0, 1007},
85 {"disable-marker", 1, 0, 1008},
86 {"start", 0, 0, 1009},
88 {"version", 0, 0, 1010},
89 {"online-pids", 0, 0, 1011},
93 c
= getopt_long(argc
, argv
, "h", long_options
, &option_index
);
99 printf("option %s", long_options
[option_index
].name
);
101 printf(" with arg %s", optarg
);
106 opts
->cmd
= START_TRACE
;
109 opts
->cmd
= STOP_TRACE
;
118 opts
->cmd
= LIST_MARKERS
;
121 opts
->cmd
= ENABLE_MARKER
;
122 opts
->regex
= strdup(optarg
);
125 opts
->cmd
= DISABLE_MARKER
;
126 opts
->regex
= strdup(optarg
);
129 opts
->cmd
= GET_ONLINE_PIDS
;
135 printf("Version 0.1\n");
138 /* unknown option or other error; error is
139 printed by getopt, just return */
145 if(argc
- optind
> 0 && opts
->cmd
!= GET_ONLINE_PIDS
) {
148 opts
->pids
= malloc((argc
-optind
+1) * sizeof(pid_t
));
150 for(i
=optind
; i
<argc
; i
++) {
151 opts
->pids
[pididx
++] = atoi(argv
[i
]);
153 opts
->pids
[pididx
] = -1;
159 int main(int argc
, char *argv
[])
162 //char *msg = argv[2];
163 struct ustcomm_connection conn
;
165 struct ust_opts opts
;
170 fprintf(stderr
, "No operation specified.\n");
175 result
= parse_opts_long(argc
, argv
, &opts
);
181 if(opts
.pids
== NULL
&& opts
.cmd
!= GET_ONLINE_PIDS
) {
182 fprintf(stderr
, "No pid specified.\n");
186 if(opts
.cmd
== UNKNOWN
) {
187 fprintf(stderr
, "No command specified.\n");
191 if (opts
.cmd
== GET_ONLINE_PIDS
) {
192 pid_t
* pp
= ustcmd_get_online_pids();
197 printf("%u\n", (unsigned int) pp
[i
]);
207 struct USTcmd_cmsf
* cmsf
= NULL
;
209 while(*pidit
!= -1) {
212 if (ustcmd_start_trace(*pidit
)) {
214 "error while trying to for trace "
215 "with PID %u\n", (unsigned int) *pidit
);
218 printf("sucessfully started trace for PID %u\n",
219 (unsigned int) *pidit
);
223 if (ustcmd_stop_trace(*pidit
)) {
225 "error while trying to stop trace "
226 "for PID %u\n", (unsigned int) *pidit
);
229 printf("sucessfully stopped trace for PID %u\n",
230 (unsigned int) *pidit
);
234 if (ustcmd_setup_and_start(*pidit
)) {
236 "error while trying to setup/start "
237 "trace for PID %u\n",
238 (unsigned int) *pidit
);
241 printf("sucessfully setup/started trace for PID %u\n",
242 (unsigned int) *pidit
);
246 if (ustcmd_destroy_trace(*pidit
)) {
248 "error while trying to destroy "
249 "trace with PID %u\n",
250 (unsigned int) *pidit
);
253 printf("sucessfully destroyed trace for PID %u\n",
254 (unsigned int) *pidit
);
259 if (ustcmd_get_cmsf(&cmsf
, *pidit
)) {
261 "error while trying to list markers for"
262 " PID %u\n", (unsigned int) *pidit
);
266 while (cmsf
[i
].channel
!= NULL
) {
267 printf("{PID: %u, channel/marker: %s/%s, "
268 "state: %u, fs: %s}\n",
269 (unsigned int) *pidit
,
276 ustcmd_free_cmsf(cmsf
);
281 regex_change_m_state(&opts
, *pidit
);
285 fprintf(stderr
, "error: unknown command...\n");
293 if (opts
.pids
!= NULL
) {
296 if (opts
.regex
!= NULL
) {
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