int opt_no_sessiond = 0;
int opt_list_session = 0;
int opt_list_traces = 0;
-pid_t opt_create_trace = 0;
-pid_t opt_start_trace = 0;
-pid_t opt_stop_trace = 0;
+int opt_create_trace = 0;
+int opt_start_trace = 0;
+int opt_stop_trace = 0;
+pid_t opt_trace_pid = 0;
enum {
OPT_HELP = 42,
static struct poptOption long_options[] = {
/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
{"create-session", 'c', POPT_ARG_STRING, &opt_create_session, 0, 0, 0},
- {"create-trace", 'C', POPT_ARG_INT, &opt_create_trace, 0, 0, 0},
+ {"create-trace", 'C', POPT_ARG_VAL, &opt_create_trace, 1, 0, 0},
{"destroy-session", 'd', POPT_ARG_STRING, &opt_destroy_session, 0, 0, 0},
{"group", 0, POPT_ARG_STRING, &opt_tracing_group, 0, 0},
{"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
{"list-traces", 't', POPT_ARG_VAL, &opt_list_traces, 1, 0, 0},
{"no-kernel", 0, POPT_ARG_VAL, &opt_trace_kernel, 0, 0, 0},
{"no-sessiond", 0, POPT_ARG_VAL, &opt_no_sessiond, 1, 0, 0},
+ {"pid", 'p', POPT_ARG_INT, &opt_trace_pid, 0, 0, 0},
{"quiet", 'q', POPT_ARG_VAL, &opt_quiet, 1, 0, 0},
{"session", 's', POPT_ARG_STRING, &opt_session_uuid, 0, 0, 0},
{"sessiond-path", 0, POPT_ARG_STRING, &opt_sessiond_path, 0, 0, 0},
- {"start", 0, POPT_ARG_INT, &opt_start_trace, 0, 0, 0},
- {"stop", 0, POPT_ARG_INT, &opt_stop_trace, 0, 0, 0},
+ {"start", 0, POPT_ARG_VAL, &opt_start_trace, 1, 0, 0},
+ {"stop", 0, POPT_ARG_VAL, &opt_stop_trace, 1, 0, 0},
{"verbose", 'v', POPT_ARG_VAL, &opt_verbose, 1, 0, 0},
//{"session", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_session_name, 0, 0},
{0, 0, 0, 0, 0, 0, 0}
fprintf(ofp, "Tracing options:\n");
//fprintf(ofp, " --kernel Enable kernel tracing\n");
//fprintf(ofp, " --no-kernel Disable kernel tracing\n");
+ fprintf(ofp, " -p, --pid PID Set tracing action for PID\n");
fprintf(ofp, " -L, --list-apps List traceable UST applications\n");
fprintf(ofp, " -t, --list-traces List session's traces. Use -s to specify the session\n");
- fprintf(ofp, " -C, --create-trace PID Create trace for PID\n");
- fprintf(ofp, " --start PID Start trace for PID\n");
- fprintf(ofp, " --stop PID Stop trace for PID\n");
+ fprintf(ofp, " -C, --create-trace Create a trace\n");
+ fprintf(ofp, " --start Start tracing\n");
+ fprintf(ofp, " --stop Stop tracing\n");
fprintf(ofp, "\n");
fprintf(ofp, "Please see the lttng(1) man page for full documentation.\n");
fprintf(ofp, "See http://lttng.org/ust for updates, bug reports and news.\n");