CONTEXT_PPID = 8,
CONTEXT_VPPID = 9,
CONTEXT_PTHREAD_ID = 10,
+ CONTEXT_HOSTNAME = 11,
};
/*
{"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0},
{"event", 'e', POPT_ARG_STRING, &opt_event_name, 0, 0, 0},
{"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
-#if 0
- /* Not implemented yet */
- {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0},
- {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0},
-#else
{"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0},
-#endif
{"type", 't', POPT_ARG_STRING, &opt_type, OPT_TYPE, 0, 0},
{"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
{0, 0, 0, 0, 0, 0, 0}
{ "vtid", CONTEXT_VTID },
{ "ppid", CONTEXT_PPID },
{ "vppid", CONTEXT_VPPID },
+ { "hostname", CONTEXT_HOSTNAME },
/* Perf options */
PERF_HW(cpu-cycles, CPU_CYCLES),
PERF_HW(cycles, CPU_CYCLES),
*/
static void usage(FILE *ofp)
{
- fprintf(ofp, "usage: lttng add-context -t TYPE\n");
+ fprintf(ofp, "usage: lttng add-context -t TYPE [-k|-u] [OPTIONS]\n");
fprintf(ofp, "\n");
fprintf(ofp, "If no channel and no event is given (-c/-e), the context\n");
- fprintf(ofp, "will be added to all events and all channels.\n");
- fprintf(ofp, "Otherwise the context will be added only to the channel (-c)\n");
+ fprintf(ofp, "is added to all events and all channels.\n");
+ fprintf(ofp, "\n");
+ fprintf(ofp, "Otherwise the context is added only to the channel (-c)\n");
fprintf(ofp, "and/or event (-e) indicated.\n");
- fprintf(ofp, "Exactly one domain (-k/--kernel or -u/--userspace) must be specified.\n");
+ fprintf(ofp, "\n");
+ fprintf(ofp, "Exactly one domain (-k or -u) must be specified.\n");
fprintf(ofp, "\n");
fprintf(ofp, "Options:\n");
fprintf(ofp, " -h, --help Show this help\n");
fprintf(ofp, " -c, --channel NAME Apply to channel\n");
fprintf(ofp, " -e, --event NAME Apply to event\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, " otherwise 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, "Context:\n");
fprintf(ofp, " -t, --type TYPE Context type. You can repeat that option on\n");
fprintf(ofp, " the command line to specify multiple contexts at once.\n");
fprintf(ofp, " (--kernel preempts --userspace)\n");