* tracer anymore.
*/
{"function:entry", 0, POPT_ARG_NONE, 0, OPT_FUNCTION_ENTRY, 0, 0},
-#endif
{"syscall", 0, POPT_ARG_NONE, 0, OPT_SYSCALL, 0, 0},
+#endif
{"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
{0, 0, 0, 0, 0, 0, 0}
};
*/
static void usage(FILE *ofp)
{
- fprintf(ofp, "usage: lttng calibrate [options] [calibrate_options]\n");
+ fprintf(ofp, "usage: lttng calibrate [-k|-u] [OPTIONS]\n");
fprintf(ofp, "\n");
+ fprintf(ofp, "Options:\n");
fprintf(ofp, " -h, --help Show this help\n");
fprintf(ofp, " --list-options Simple listing of options\n");
fprintf(ofp, " -k, --kernel Apply to the kernel tracer\n");
-#if 0
- fprintf(ofp, " -u, --userspace [CMD] Apply to the user-space tracer (domain: UST\n");
- fprintf(ofp, " EXEC_NAME). If no CMD, the domain is UST global.\n";
- fprintf(ofp, " (-k preempts -u)\n");
- fprintf(ofp, " -p, --pid PID If -u, apply to specific PID (domain: UST PID)\n");
-#else
fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n");
-#endif
fprintf(ofp, "\n");
fprintf(ofp, "Calibrate options:\n");
+ fprintf(ofp, " --function Dynamic function entry/return probe (default)\n");
#if 0
fprintf(ofp, " --tracepoint Tracepoint event (default)\n");
fprintf(ofp, " --probe\n");
#endif
fprintf(ofp, " --syscall System call eventl\n");
fprintf(ofp, " --marker User-space marker (deprecated)\n");
-#else
- fprintf(ofp, " --function Dynamic function entry/return probe (default)\n");
#endif
fprintf(ofp, "\n");
}
} else if (opt_userspace) {
dom.type = LTTNG_DOMAIN_UST;
} else {
- ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
+ print_missing_domain();
ret = CMD_ERROR;
goto error;
}
calibrate.type = LTTNG_CALIBRATE_FUNCTION;
ret = lttng_calibrate(handle, &calibrate);
if (ret < 0) {
+ ERR("%s", lttng_strerror(ret));
goto error;
}
MSG("%s calibration done", opt_kernel ? "Kernel" : "UST");