2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 /* Option variables */
25 char *opt_tracing_group
;
26 char *opt_session_uuid
;
27 char *opt_sessiond_path
;
28 char *opt_session_name
;
29 int opt_create_session
;
30 int opt_destroy_session
;
31 int opt_trace_kernel
= 0;
34 int opt_list_apps
= 0;
35 int opt_no_sessiond
= 0;
36 int opt_list_session
= 0;
37 int opt_list_traces
= 0;
38 int opt_create_trace
= 0;
39 int opt_start_trace
= 0;
40 int opt_stop_trace
= 0;
41 pid_t opt_trace_pid
= 0;
49 static struct poptOption long_options
[] = {
50 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
51 {"create-session", 'c', POPT_ARG_STRING
, 0, OPT_CREATE_SESSION
, 0, 0},
52 {"create-trace", 'C', POPT_ARG_VAL
, &opt_create_trace
, 1, 0, 0},
53 {"destroy-session", 'd', POPT_ARG_STRING
, 0, OPT_DESTROY_SESSION
, 0, 0},
54 {"group", 0, POPT_ARG_STRING
, &opt_tracing_group
, 0, 0, 0},
55 {"help", 'h', POPT_ARG_NONE
, 0, OPT_HELP
, 0, 0},
56 {"kernel", 0, POPT_ARG_VAL
, &opt_trace_kernel
, 1, 0, 0},
57 {"list-apps", 'L', POPT_ARG_VAL
, &opt_list_apps
, 1, 0, 0},
58 {"list-sessions", 'l', POPT_ARG_VAL
, &opt_list_session
, 1, 0, 0},
59 {"list-traces", 't', POPT_ARG_VAL
, &opt_list_traces
, 1, 0, 0},
60 {"no-kernel", 0, POPT_ARG_VAL
, &opt_trace_kernel
, 0, 0, 0},
61 {"no-sessiond", 0, POPT_ARG_VAL
, &opt_no_sessiond
, 1, 0, 0},
62 {"pid", 'p', POPT_ARG_INT
, &opt_trace_pid
, 0, 0, 0},
63 {"quiet", 'q', POPT_ARG_VAL
, &opt_quiet
, 1, 0, 0},
64 {"session", 's', POPT_ARG_STRING
, &opt_session_uuid
, 0, 0, 0},
65 {"sessiond-path", 0, POPT_ARG_STRING
, &opt_sessiond_path
, 0, 0, 0},
66 {"start", 0, POPT_ARG_VAL
, &opt_start_trace
, 1, 0, 0},
67 {"stop", 0, POPT_ARG_VAL
, &opt_stop_trace
, 1, 0, 0},
68 {"verbose", 'v', POPT_ARG_VAL
, &opt_verbose
, 1, 0, 0},
69 //{"session", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_session_name, 0, 0},
77 static void usage(FILE *ofp
)
79 fprintf(ofp
, "LTTng Trace Control " VERSION
"\n\n");
80 fprintf(ofp
, "usage : lttng [OPTION]\n");
82 fprintf(ofp
, "Options:\n");
83 fprintf(ofp
, " -v, --verbose Verbose mode\n");
84 fprintf(ofp
, " -q, --quiet Quiet mode\n");
85 fprintf(ofp
, " --help Show help\n");
86 fprintf(ofp
, " --group NAME Unix tracing group name. (default: tracing)\n");
87 fprintf(ofp
, " --no-sessiond Don't spawn a session daemon\n");
88 fprintf(ofp
, " --sessiond-path Session daemon full path\n");
90 fprintf(ofp
, "Session options:\n");
91 fprintf(ofp
, " -c, --create-session NAME Create a new session\n");
92 fprintf(ofp
, " -l, --list-sessions List all available sessions\n");
93 fprintf(ofp
, " -s, --session UUID Specify tracing session using UUID\n");
94 fprintf(ofp
, " -d, --destroy-session NAME Destroy the session specified by NAME\n");
96 fprintf(ofp
, "Tracing options:\n");
97 //fprintf(ofp, " --kernel Enable kernel tracing\n");
98 //fprintf(ofp, " --no-kernel Disable kernel tracing\n");
99 fprintf(ofp
, " -p, --pid PID Set tracing action for PID\n");
100 fprintf(ofp
, " -L, --list-apps List traceable UST applications\n");
101 fprintf(ofp
, " -t, --list-traces List session's traces. Use -s to specify the session\n");
102 fprintf(ofp
, " -C, --create-trace Create a trace\n");
103 fprintf(ofp
, " --start Start tracing\n");
104 fprintf(ofp
, " --stop Stop tracing\n");
106 fprintf(ofp
, "Please see the lttng(1) man page for full documentation.\n");
107 fprintf(ofp
, "See http://lttng.org for updates, bug reports and news.\n");
113 * Parse command line arguments.
114 * Return 0 if OK, else -1
116 int parse_args(int argc
, const char **argv
)
118 static poptContext pc
;
121 /* If no options, fail */
126 pc
= poptGetContext(NULL
, argc
, argv
, long_options
, 0);
127 poptReadDefaultConfig(pc
, 0);
129 while ((opt
= poptGetNextOpt(pc
)) != -1) {
133 clean_exit(EXIT_SUCCESS
);
135 case OPT_CREATE_SESSION
:
136 opt_create_session
= 1;
137 opt_session_name
= poptGetOptArg(pc
);
139 case OPT_DESTROY_SESSION
:
140 opt_destroy_session
= 1;
141 opt_session_uuid
= poptGetOptArg(pc
);
145 clean_exit(EXIT_FAILURE
);
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