Add listing kernel event support

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

diff --git a/lttng/options.c b/lttng/options.c
index 5b9e0c8589ccf331280c199335b96398df268c30..fe7e400f8a6da2862a8da9fe7535b85aadd3b938 100644 (file)
--- a/lttng/options.c
+++ b/lttng/options.c
@@ -34,6 +34,7 @@ int opt_trace_kernel;
 int opt_quiet;
 int opt_verbose;
 int opt_list_apps;
+int opt_list_events;
 int opt_no_sessiond;
 int opt_list_session;
 int opt_list_traces;
@@ -70,6 +71,7 @@ static struct poptOption long_options[] = {
        {"kernel",                      'k',    POPT_ARG_VAL,           &opt_trace_kernel, 1, 0, 0},
        {"kern-create-channel",0,   POPT_ARG_VAL,               &opt_kern_create_channel, 1, 0, 0},
        {"list-apps",           'L',    POPT_ARG_VAL,           &opt_list_apps, 1, 0, 0},
+       {"list-events",         0,              POPT_ARG_VAL,           &opt_list_events, 1, 0, 0},
        {"list-sessions",       'l',    POPT_ARG_VAL,           &opt_list_session, 1, 0, 0},
        {"list-traces",         't',    POPT_ARG_VAL,           &opt_list_traces, 1, 0, 0},
        {"no-kernel",           0,              POPT_ARG_VAL,           &opt_trace_kernel, 0, 0, 0},
@@ -112,6 +114,7 @@ static void usage(FILE *ofp)
        fprintf(ofp, "Tracing options:\n");
        fprintf(ofp, "  -p, --pid PID                Specify action on user-space tracer for PID\n");
        fprintf(ofp, "  -k, --kernel                 Specify action on kernel tracer\n");
+       fprintf(ofp, "      --list-events            List all available tracing events\n");
        fprintf(ofp, "  -e, --enable-event LIST      Enable tracing event (support marker and tracepoint)\n");
        fprintf(ofp, "      --disable-event LIST     Disable tracing event (support marker and tracepoint)\n");
        fprintf(ofp, "  -C, --create-trace           Create a trace. Allocate and setup a trace\n");