-/*
- * usage
- */
-static void usage(FILE *ofp)
-{
- fprintf(ofp, "usage: lttng enable-channel NAME[,NAME2,...] [options] [channel_options]\n");
- fprintf(ofp, "\n");
- fprintf(ofp, " -h, --help Show this help\n");
- fprintf(ofp, " --list-options Simple listing of options\n");
- fprintf(ofp, " -s, --session Apply to session name\n");
- fprintf(ofp, " -k, --kernel Apply to the kernel tracer\n");
-#if 0
- fprintf(ofp, " -u, --userspace [CMD] Apply to the user-space tracer\n");
- fprintf(ofp, " If no CMD, the domain used is UST global\n");
- fprintf(ofp, " or else the domain is UST EXEC_NAME\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, "Channel options:\n");
- fprintf(ofp, " --discard Discard event when buffers are full%s\n",
- DEFAULT_CHANNEL_OVERWRITE ? "" : " (default)");
- fprintf(ofp, " --overwrite Flight recorder mode%s\n",
- DEFAULT_CHANNEL_OVERWRITE ? " (default)" : "");
- fprintf(ofp, " --subbuf-size SIZE Subbuffer size in bytes\n");
- fprintf(ofp, " (default: %u, kernel default: %u)\n",
- DEFAULT_CHANNEL_SUBBUF_SIZE,
- DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE);
- fprintf(ofp, " Needs to be a power of 2 for\n");
- fprintf(ofp, " kernel and ust tracers\n");
- fprintf(ofp, " --num-subbuf NUM Number of subbufers\n");
- fprintf(ofp, " (default: %u)\n",
- DEFAULT_CHANNEL_SUBBUF_NUM);
- fprintf(ofp, " Needs to be a power of 2 for\n");
- fprintf(ofp, " kernel and ust tracers\n");
- fprintf(ofp, " --switch-timer USEC Switch timer interval in usec (default: %u)\n",
- DEFAULT_CHANNEL_SWITCH_TIMER);
- fprintf(ofp, " --read-timer USEC Read timer interval in usec (default: %u)\n",
- DEFAULT_CHANNEL_READ_TIMER);
- fprintf(ofp, "\n");
-}
-