Update loglevel ABI

[lttng-tools.git] / src / bin / lttng / commands / list.c

diff --git a/src/bin/lttng/commands/list.c b/src/bin/lttng/commands/list.c
index 7698bb6ed12515555ffc3bf72e7541e3d3cf3f85..4b8a07c48fc6aa29dc316711f8cf0774c6fbe334 100644 (file)
--- a/src/bin/lttng/commands/list.c
+++ b/src/bin/lttng/commands/list.c
@@ -26,12 +26,15 @@
 
 #include "../command.h"
 
-static int opt_pid;
 static int opt_userspace;
-static char *opt_cmd_name;
 static int opt_kernel;
 static char *opt_channel;
 static int opt_domain;
+#if 0
+/* Not implemented yet */
+static char *opt_cmd_name;
+static pid_t opt_pid;
+#endif
 
 const char *indent4 = "    ";
 const char *indent6 = "      ";
@@ -40,6 +43,7 @@ const char *indent8 = "        ";
 enum {
        OPT_HELP = 1,
        OPT_USERSPACE,
+       OPT_LIST_OPTIONS,
 };
 
 static struct lttng_handle *handle;
@@ -48,10 +52,16 @@ static struct poptOption long_options[] = {
        /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
        {"help",      'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
        {"kernel",    'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
-       {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0},
-       {"pid",       'p', POPT_ARG_INT, &opt_pid, 0, 0, 0},
+#if 0
+       /* Not implemented yet */
+       {"userspace",      'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0},
+       {"pid",            'p', POPT_ARG_INT, &opt_pid, 0, 0, 0},
+#else
+       {"userspace",      'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0},
+#endif
        {"channel",   'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0},
        {"domain",    'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0},
+       {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
        {0, 0, 0, 0, 0, 0, 0}
 };
 
@@ -60,7 +70,7 @@ static struct poptOption long_options[] = {
  */
 static void usage(FILE *ofp)
 {
-       fprintf(ofp, "usage: lttng list [[-k] [-u] [-p PID] [SESSION [<options>]]]\n");
+       fprintf(ofp, "usage: lttng list [SESSION [<OPTIONS>]]\n");
        fprintf(ofp, "\n");
        fprintf(ofp, "With no arguments, list available tracing session(s)\n");
        fprintf(ofp, "\n");
@@ -68,9 +78,12 @@ static void usage(FILE *ofp)
        fprintf(ofp, "With -u alone, list available userspace events\n");
        fprintf(ofp, "\n");
        fprintf(ofp, "  -h, --help              Show this help\n");
+       fprintf(ofp, "      --list-options       Simple listing of options\n");
        fprintf(ofp, "  -k, --kernel            Select kernel domain\n");
        fprintf(ofp, "  -u, --userspace         Select user-space domain.\n");
+#if 0
        fprintf(ofp, "  -p, --pid PID           List user-space events by PID\n");
+#endif
        fprintf(ofp, "\n");
        fprintf(ofp, "Options:\n");
        fprintf(ofp, "  -c, --channel NAME      List details of a channel\n");
@@ -166,8 +179,9 @@ static void print_events(struct lttng_event *event)
 
                        ret = snprintf(ll_value, LTTNG_SYMBOL_NAME_LEN,
                                " (%lld)", (long long) event->loglevel_value);
-                       if (ret < 0)
+                       if (ret < 0) {
                                ERR("snprintf error");
+                       }
                }
                MSG("%s%s%s%s%s%s (type: tracepoint)%s", indent6,
                                event->name,
@@ -202,11 +216,6 @@ static void print_events(struct lttng_event *event)
                MSG("%s (type: noop)%s", indent6,
                                enabled_string(event->enabled));
                break;
-       case LTTNG_EVENT_TRACEPOINT_LOGLEVEL:
-               MSG("%s%s (type: tracepoint loglevel)%s", indent6,
-                       event->name,
-                       enabled_string(event->enabled));
-               break;
        case LTTNG_EVENT_ALL:
                /* We should never have "all" events in list. */
                assert(0);
@@ -546,6 +555,10 @@ int cmd_list(int argc, const char **argv)
                case OPT_USERSPACE:
                        opt_userspace = 1;
                        break;
+               case OPT_LIST_OPTIONS:
+                       list_cmd_options(stdout, long_options);
+                       ret = CMD_SUCCESS;
+                       goto end;
                default:
                        usage(stderr);
                        ret = CMD_UNDEFINED;
@@ -553,10 +566,6 @@ int cmd_list(int argc, const char **argv)
                }
        }
 
-       if (opt_pid != 0) {
-               MSG("*** Userspace tracing not implemented for PID ***\n");
-       }
-
        /* Get session name (trailing argument) */
        session_name = poptGetArg(pc);
        DBG2("Session name: %s", session_name);