listing and activation of loglevel by number

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

diff --git a/lttng/commands/list.c b/lttng/commands/list.c
index 808c2a549edbe9519a3b90387fbff845547020bb..8c1dadac8e5dc66bddebe81d7a564c9fc7c20555 100644 (file)
--- a/lttng/commands/list.c
+++ b/lttng/commands/list.c
@@ -28,6 +28,7 @@
 
 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;
@@ -38,6 +39,7 @@ const char *indent8 = "        ";
 
 enum {
        OPT_HELP = 1,
+       OPT_USERSPACE,
 };
 
 static struct lttng_handle *handle;
@@ -46,7 +48,7 @@ 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_VAL, &opt_userspace, 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},
        {"channel",   'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0},
        {"domain",    'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0},
@@ -107,6 +109,48 @@ end:
        return cmdline;
 }
 
+static
+const char *active_string(int value)
+{
+       switch (value) {
+       case 0: return " [inactive]";
+       case 1: return " [active]";
+       case -1: return "";
+       default: return NULL;
+       }
+}
+
+static
+const char *enabled_string(int value)
+{
+       switch (value) {
+       case 0: return " [disabled]";
+       case 1: return " [enabled]";
+       case -1: return "";
+       default: return NULL;
+       }
+}
+
+static
+const char *loglevel_string_pre(const char *loglevel)
+{
+       if (loglevel[0] == '\0') {
+               return "";
+       } else {
+               return " (loglevel: ";
+       }
+}
+
+static
+const char *loglevel_string_post(const char *loglevel)
+{
+       if (loglevel[0] == '\0') {
+               return "";
+       } else {
+               return ")";
+       }
+}
+
 /*
  * Pretty print single event.
  */
@@ -114,12 +158,29 @@ static void print_events(struct lttng_event *event)
 {
        switch (event->type) {
        case LTTNG_EVENT_TRACEPOINT:
-               MSG("%s%s (type: tracepoint) [enabled: %d]", indent6,
-                               event->name, event->enabled);
+       {
+               char ll_value[LTTNG_SYMBOL_NAME_LEN] = "";
+
+               if (event->loglevel[0] != '\0') {
+                       int ret;
+
+                       ret = snprintf(ll_value, LTTNG_SYMBOL_NAME_LEN,
+                               ", %lld", (long long) event->loglevel_value);
+                       if (ret < 0)
+                               ERR("snprintf error");
+               }
+               MSG("%s%s%s%s%s%s (type: tracepoint)%s", indent6,
+                               event->name,
+                               loglevel_string_pre(event->loglevel),
+                               event->loglevel,
+                               ll_value,
+                               loglevel_string_post(event->loglevel),
+                               enabled_string(event->enabled));
                break;
+       }
        case LTTNG_EVENT_PROBE:
-               MSG("%s%s (type: probe) [enabled: %d]", indent6,
-                               event->name, event->enabled);
+               MSG("%s%s (type: probe)%s", indent6,
+                               event->name, enabled_string(event->enabled));
                if (event->attr.probe.addr != 0) {
                        MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr);
                } else {
@@ -129,17 +190,22 @@ static void print_events(struct lttng_event *event)
                break;
        case LTTNG_EVENT_FUNCTION:
        case LTTNG_EVENT_FUNCTION_ENTRY:
-               MSG("%s%s (type: function) [enabled: %d]", indent6,
-                               event->name, event->enabled);
+               MSG("%s%s (type: function)%s", indent6,
+                               event->name, enabled_string(event->enabled));
                MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name);
                break;
        case LTTNG_EVENT_SYSCALL:
-               MSG("%s (type: syscall) [enabled: %d]", indent6,
-                               event->enabled);
+               MSG("%s (type: syscall)%s", indent6,
+                               enabled_string(event->enabled));
                break;
        case LTTNG_EVENT_NOOP:
-               MSG("%s (type: noop) [enabled: %d]", indent6,
-                               event->enabled);
+               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. */
@@ -255,7 +321,7 @@ static int list_events(const char *channel_name)
 
        MSG("\n%sEvents:", indent4);
        if (count == 0) {
-               MSG("%sNone", indent6);
+               MSG("%sNone\n", indent6);
                goto end;
        }
 
@@ -280,7 +346,7 @@ error:
  */
 static void print_channel(struct lttng_channel *channel)
 {
-       MSG("- %s (enabled: %d):\n", channel->name, channel->enabled);
+       MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled));
 
        MSG("%sAttributes:", indent4);
        MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite);
@@ -309,7 +375,7 @@ static int list_channels(const char *channel_name)
        unsigned int chan_found = 0;
        struct lttng_channel *channels = NULL;
 
-       DBG("Listing channel(s) (%s)", channel_name);
+       DBG("Listing channel(s) (%s)", channel_name ? : "<all>");
 
        count = lttng_list_channels(handle, &channels);
        if (count < 0) {
@@ -383,14 +449,14 @@ static int list_sessions(const char *session_name)
                if (session_name != NULL) {
                        if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) {
                                session_found = 1;
-                               MSG("Tracing session %s:", session_name);
+                               MSG("Tracing session %s:%s", session_name, active_string(sessions[i].enabled));
                                MSG("%sTrace path: %s\n", indent4, sessions[i].path);
                                break;
                        }
                        continue;
                }
 
-               MSG("  %d) %s (%s)", i + 1, sessions[i].name, sessions[i].path);
+               MSG("  %d) %s (%s)%s", i + 1, sessions[i].name, sessions[i].path, active_string(sessions[i].enabled));
 
                if (session_found) {
                        break;
@@ -458,7 +524,7 @@ error:
 int cmd_list(int argc, const char **argv)
 {
        int opt, i, ret = CMD_SUCCESS;
-       unsigned int nb_domain;
+       int nb_domain;
        const char *session_name;
        static poptContext pc;
        struct lttng_domain domain;
@@ -477,6 +543,9 @@ int cmd_list(int argc, const char **argv)
                case OPT_HELP:
                        usage(stderr);
                        goto end;
+               case OPT_USERSPACE:
+                       opt_userspace = 1;
+                       break;
                default:
                        usage(stderr);
                        ret = CMD_UNDEFINED;