Add ust start trace feature

[lttng-tools.git] / lttng / options.c

diff --git a/lttng/options.c b/lttng/options.c
index 61a3802e5548872e72c82d614df76a7b9e6f66cd..183c54dcf0757e2b74f658c0fb7c61804d21b4dd 100644 (file)
--- a/lttng/options.c
+++ b/lttng/options.c
@@ -34,6 +34,7 @@ int opt_list_apps = 0;
 int opt_no_sessiond = 0;
 int opt_list_session = 0;
 pid_t opt_create_trace = 0;
+pid_t opt_start_trace = 0;
 
 enum {
        OPT_HELP = 42,
@@ -54,6 +55,7 @@ static struct poptOption long_options[] = {
        {"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},
        {"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}
@@ -87,6 +89,7 @@ static void usage(FILE *ofp)
        //fprintf(ofp, "      --no-kernel            Disable kernel tracing\n");
        fprintf(ofp, "  -L, --list-apps              List traceable UST applications\n");
        fprintf(ofp, "  -C, --create-trace PID       Create trace for PID\n");
+       fprintf(ofp, "      --start PID              Start trace for PID\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");
@@ -108,7 +111,7 @@ int parse_args(int argc, const char **argv)
                return -1;
        }
 
-       pc = poptGetContext("lttng", argc, argv, long_options, 0);
+       pc = poptGetContext(NULL, argc, argv, long_options, 0);
        poptReadDefaultConfig(pc, 0);
 
        while ((opt = poptGetNextOpt(pc)) != -1) {