{"no-consumer", 0, POPT_ARG_VAL, &opt_no_consumer, 1, 0, 0},
{"disable-consumer", 0, POPT_ARG_VAL, &opt_disable_consumer, 1, 0, 0},
{"snapshot", 0, POPT_ARG_VAL, &opt_snapshot, 1, 0, 0},
{"no-consumer", 0, POPT_ARG_VAL, &opt_no_consumer, 1, 0, 0},
{"disable-consumer", 0, POPT_ARG_VAL, &opt_disable_consumer, 1, 0, 0},
{"snapshot", 0, POPT_ARG_VAL, &opt_snapshot, 1, 0, 0},
* why this declaration exists and used ONLY in for this command.
*/
extern int _lttng_create_session_ext(const char *name, const char *url,
* why this declaration exists and used ONLY in for this command.
*/
extern int _lttng_create_session_ext(const char *name, const char *url,
fprintf(ofp, " -h, --help Show this help\n");
fprintf(ofp, " --list-options Simple listing of options\n");
fprintf(ofp, " -o, --output PATH Specify output path for traces\n");
fprintf(ofp, " -h, --help Show this help\n");
fprintf(ofp, " --list-options Simple listing of options\n");
fprintf(ofp, " -o, --output PATH Specify output path for traces\n");
- fprintf(ofp, " --no-output Traces will not be outputed\n");
- fprintf(ofp, " --snasphot Set the session in snapshot mode.\n");
+ fprintf(ofp, " --no-output Traces will not be outputted\n");
+ fprintf(ofp, " --snapshot Set the session in snapshot mode.\n");
fprintf(ofp, " Created in no-output mode and uses the URL,\n");
fprintf(ofp, " if one, as the default snapshot output.\n");
fprintf(ofp, " Every channel will be set in overwrite mode\n");
fprintf(ofp, " and with mmap output (splice not supported).\n");
fprintf(ofp, " Created in no-output mode and uses the URL,\n");
fprintf(ofp, " if one, as the default snapshot output.\n");
fprintf(ofp, " Every channel will be set in overwrite mode\n");
fprintf(ofp, " and with mmap output (splice not supported).\n");
+ fprintf(ofp, " --live USEC Set the session in live-reading mode.\n");
+ fprintf(ofp, " The delay parameter in micro-seconds is the\n");
+ fprintf(ofp, " maximum time the user can wait for the data\n");
+ fprintf(ofp, " to be flushed. Requires a network URL (-U or -C/-D)\n");
+ fprintf(ofp, " and a lttng-relayd listening.\n");
+ if ((opt_live_timer && !opt_url) && (opt_live_timer && !opt_data_url)) {
+ ERR("You need a network URL (-U or -C/-D) to use live tracing.");
+ ret = CMD_ERROR;
+ goto error;
+ }
+
+ if (opt_snapshot && opt_live_timer) {
+ ERR("Snapshot and live modes are mutually exclusive.");
+ ret = CMD_ERROR;
+ goto error;
+ }
+
- ret = _lttng_create_session_ext(session_name, url, datetime);
+ ret = _lttng_create_session_ext(session_name, url, datetime, -1);
int cmd_create(int argc, const char **argv)
{
int opt, ret = CMD_SUCCESS;
int cmd_create(int argc, const char **argv)
{
int opt, ret = CMD_SUCCESS;
static poptContext pc;
pc = poptGetContext(NULL, argc, argv, long_options, 0);
static poptContext pc;
pc = poptGetContext(NULL, argc, argv, long_options, 0);
+ case OPT_LIVE_TIMER:
+ {
+ unsigned long v;
+
+ errno = 0;
+ opt_arg = poptGetOptArg(pc);
+ v = strtoul(opt_arg, NULL, 0);
+ if (errno != 0 || !isdigit(opt_arg[0])) {
+ ERR("Wrong value in --live parameter: %s", opt_arg);
+ ret = CMD_ERROR;
+ goto end;
+ }
+ if (v != (uint32_t) v) {
+ ERR("32-bit overflow in --live parameter: %s", opt_arg);
+ ret = CMD_ERROR;
+ goto end;
+ }
+ opt_live_timer = (uint32_t) v;
+ DBG("Session live timer interval set to %d", opt_live_timer);
+ break;
+ }