lttng.h API update: set filter becomes enable event with filter
[lttng-tools.git] / src / bin / lttng / commands / enable_events.c
index 51388298954768d35990b38e540617fc008e4020..1a53448c647ebd8469871b916258726649a78c5b 100644 (file)
@@ -366,60 +366,63 @@ static int enable_events(char *session_name)
                        }
                }
 
-               ret = lttng_enable_event(handle, &ev, channel_name);
-               if (ret < 0) {
-                       switch (-ret) {
-                       case LTTNG_ERR_KERN_EVENT_EXIST:
-                               WARN("Kernel events already enabled (channel %s, session %s)",
-                                               channel_name, session_name);
-                               break;
-                       default:
-                               ERR("Events: %s (channel %s, session %s)",
-                                               lttng_strerror(ret), channel_name, session_name);
-                               break;
+               if (!opt_filter) {
+                       ret = lttng_enable_event(handle, &ev, channel_name);
+                       if (ret < 0) {
+                               switch (-ret) {
+                               case LTTNG_ERR_KERN_EVENT_EXIST:
+                                       WARN("Kernel events already enabled (channel %s, session %s)",
+                                                       channel_name, session_name);
+                                       break;
+                               default:
+                                       ERR("Events: %s (channel %s, session %s)",
+                                                       lttng_strerror(ret), channel_name, session_name);
+                                       break;
+                               }
+                               goto end;
                        }
-                       goto end;
-               }
 
-               switch (opt_event_type) {
-               case LTTNG_EVENT_TRACEPOINT:
-                       if (opt_loglevel) {
-                               MSG("All %s tracepoints are enabled in channel %s for loglevel %s",
-                                               opt_kernel ? "kernel" : "UST", channel_name,
-                                               opt_loglevel);
-                       } else {
-                               MSG("All %s tracepoints are enabled in channel %s",
-                                               opt_kernel ? "kernel" : "UST", channel_name);
+                       switch (opt_event_type) {
+                       case LTTNG_EVENT_TRACEPOINT:
+                               if (opt_loglevel) {
+                                       MSG("All %s tracepoints are enabled in channel %s for loglevel %s",
+                                                       opt_kernel ? "kernel" : "UST", channel_name,
+                                                       opt_loglevel);
+                               } else {
+                                       MSG("All %s tracepoints are enabled in channel %s",
+                                                       opt_kernel ? "kernel" : "UST", channel_name);
 
+                               }
+                               break;
+                       case LTTNG_EVENT_SYSCALL:
+                               if (opt_kernel) {
+                                       MSG("All kernel system calls are enabled in channel %s",
+                                                       channel_name);
+                               }
+                               break;
+                       case LTTNG_EVENT_ALL:
+                               if (opt_loglevel) {
+                                       MSG("All %s events are enabled in channel %s for loglevel %s",
+                                                       opt_kernel ? "kernel" : "UST", channel_name,
+                                                       opt_loglevel);
+                               } else {
+                                       MSG("All %s events are enabled in channel %s",
+                                                       opt_kernel ? "kernel" : "UST", channel_name);
+                               }
+                               break;
+                       default:
+                               /*
+                                * We should not be here since lttng_enable_event should have
+                                * failed on the event type.
+                                */
+                               goto error;
                        }
-                       break;
-               case LTTNG_EVENT_SYSCALL:
-                       if (opt_kernel) {
-                               MSG("All kernel system calls are enabled in channel %s",
-                                               channel_name);
-                       }
-                       break;
-               case LTTNG_EVENT_ALL:
-                       if (opt_loglevel) {
-                               MSG("All %s events are enabled in channel %s for loglevel %s",
-                                               opt_kernel ? "kernel" : "UST", channel_name,
-                                               opt_loglevel);
-                       } else {
-                               MSG("All %s events are enabled in channel %s",
-                                               opt_kernel ? "kernel" : "UST", channel_name);
-                       }
-                       break;
-               default:
-                       /*
-                        * We should not be here since lttng_enable_event should have
-                        * failed on the event type.
-                        */
-                       goto error;
                }
                if (opt_filter) {
-                       ret = lttng_set_event_filter(handle, ev.name, channel_name,
+                       ret = lttng_enable_event_with_filter(handle, &ev, channel_name,
                                                opt_filter);
                        if (ret < 0) {
+                               fprintf(stderr, "Ret filter: %d\n", ret);
                                switch (-ret) {
                                case LTTNG_ERR_FILTER_EXIST:
                                        WARN("Filter on events is already enabled"
@@ -431,19 +434,6 @@ static int enable_events(char *session_name)
                                        ERR("%s", lttng_strerror(ret));
                                default:
                                        ERR("Setting filter: '%s'", opt_filter);
-                                       /*
-                                        * The event was successfully enabled before so when
-                                        * failing to set a filter, disable the event. This has
-                                        * been discussed in bug #343 on why we do that.
-                                        */
-                                       err = lttng_disable_event(handle, ev.name, channel_name);
-                                       if (err < 0) {
-                                               ERR("Disabling all events after filter error: %s",
-                                                               lttng_strerror(err));
-                                       } else {
-                                               WARN("All events of channel %s have been disabled due "
-                                                               "to a filter error", channel_name);
-                                       }
                                        break;
                                }
                                goto error;
@@ -558,26 +548,29 @@ static int enable_events(char *session_name)
                        goto error;
                }
 
-               ret = lttng_enable_event(handle, &ev, channel_name);
-               if (ret < 0) {
-                       /* Turn ret to positive value to handle the positive error code */
-                       switch (-ret) {
-                       case LTTNG_ERR_KERN_EVENT_EXIST:
-                               WARN("Kernel event %s already enabled (channel %s, session %s)",
-                                               event_name, channel_name, session_name);
-                               break;
-                       default:
-                               ERR("Event %s: %s (channel %s, session %s)", event_name,
-                                               lttng_strerror(ret), channel_name, session_name);
-                               break;
+               if (!opt_filter) {
+                       ret = lttng_enable_event(handle, &ev, channel_name);
+                       if (ret < 0) {
+                               /* Turn ret to positive value to handle the positive error code */
+                               switch (-ret) {
+                               case LTTNG_ERR_KERN_EVENT_EXIST:
+                                       WARN("Kernel event %s already enabled (channel %s, session %s)",
+                                                       event_name, channel_name, session_name);
+                                       break;
+                               default:
+                                       ERR("Event %s: %s (channel %s, session %s)", event_name,
+                                                       lttng_strerror(ret), channel_name, session_name);
+                                       break;
+                               }
+                               warn = 1;
+                       } else {
+                               MSG("%s event %s created in channel %s",
+                                               opt_kernel ? "kernel": "UST", event_name, channel_name);
                        }
-                       warn = 1;
-               } else {
-                       MSG("%s event %s created in channel %s",
-                                       opt_kernel ? "kernel": "UST", event_name, channel_name);
                }
+
                if (opt_filter) {
-                       ret = lttng_set_event_filter(handle, ev.name, channel_name,
+                       ret = lttng_enable_event_with_filter(handle, &ev, channel_name,
                                        opt_filter);
                        if (ret < 0) {
                                switch (-ret) {
@@ -592,19 +585,6 @@ static int enable_events(char *session_name)
                                default:
                                        ERR("Setting filter for event %s: '%s'", ev.name,
                                                        opt_filter);
-                                       /*
-                                        * The event was successfully enabled before so when
-                                        * failing to set a filter, disable the event. This has
-                                        * been discussed in bug #343 on why we do that.
-                                        */
-                                       err = lttng_disable_event(handle, ev.name, channel_name);
-                                       if (err < 0) {
-                                               ERR("Disabling event %s after filter error: %s",
-                                                               ev.name, lttng_strerror(err));
-                                       } else {
-                                               WARN("Event %s of channel %s has been disabled due "
-                                                               "to a filter error", ev.name, channel_name);
-                                       }
                                        break;
                                }
                                goto error;
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