Parse exclusions and forward them to the control handler
authorJP Ikaheimonen <jp_ikaheimonen@mentor.com>
Tue, 5 Nov 2013 11:38:00 +0000 (13:38 +0200)
committerDavid Goulet <dgoulet@efficios.com>
Thu, 14 Nov 2013 18:40:58 +0000 (13:40 -0500)
For the enable-event command, parse the given exclusions,
and send them to the control handler.

src/bin/lttng/commands/enable_events.c

index 231b7b38ee7750e8fd3d256a07b0c242f5ea59df..5d77048d00aa3d7ae1680f9085208db54ad10b39 100644 (file)
@@ -433,6 +433,8 @@ static int enable_events(char *session_name)
        char *event_name, *channel_name = NULL;
        struct lttng_event ev;
        struct lttng_domain dom;
+       int exclusion_count = 0;
+       char **exclusion_list = NULL;
 
        memset(&ev, 0, sizeof(ev));
        memset(&dom, 0, sizeof(dom));
@@ -497,8 +499,18 @@ static int enable_events(char *session_name)
                        }
                }
 
+               if (opt_exclude) {
+                       ret = check_exclusion_subsets("*", opt_exclude,
+                                       &exclusion_count, &exclusion_list);
+                       if (ret == CMD_ERROR) {
+                               goto error;
+                       }
+               }
                if (!opt_filter) {
-                       ret = lttng_enable_event(handle, &ev, channel_name);
+                       ret = lttng_enable_event_with_exclusions(handle,
+                                       &ev, channel_name,
+                                       NULL,
+                                       exclusion_count, exclusion_list);
                        if (ret < 0) {
                                switch (-ret) {
                                case LTTNG_ERR_KERN_EVENT_EXIST:
@@ -557,8 +569,8 @@ static int enable_events(char *session_name)
                        }
                }
                if (opt_filter) {
-                       ret = lttng_enable_event_with_filter(handle, &ev, channel_name,
-                                               opt_filter);
+                       ret = lttng_enable_event_with_exclusions(handle, &ev, channel_name,
+                                               opt_filter, exclusion_count, exclusion_list);
                        if (ret < 0) {
                                switch (-ret) {
                                case LTTNG_ERR_FILTER_EXIST:
@@ -665,6 +677,23 @@ static int enable_events(char *session_name)
                                goto error;
                        }
 
+                       if (opt_exclude) {
+                               /* Free previously allocated items */
+                               if (exclusion_list != NULL) {
+                                       while (exclusion_count--) {
+                                               free(exclusion_list[exclusion_count]);
+                                       }
+                                       free(exclusion_list);
+                                       exclusion_list = NULL;
+                               }
+                               /* Check for proper subsets */
+                               ret = check_exclusion_subsets(event_name, opt_exclude,
+                                               &exclusion_count, &exclusion_list);
+                               if (ret == CMD_ERROR) {
+                                       goto error;
+                               }
+                       }
+
                        ev.loglevel_type = opt_loglevel_type;
                        if (opt_loglevel) {
                                ev.loglevel = loglevel_str_to_value(opt_loglevel);
@@ -693,7 +722,9 @@ static int enable_events(char *session_name)
                }
 
                if (!opt_filter) {
-                       ret = lttng_enable_event(handle, &ev, channel_name);
+                       ret = lttng_enable_event_with_exclusions(handle,
+                                       &ev, channel_name,
+                                       NULL, exclusion_count, exclusion_list);
                        if (ret < 0) {
                                /* Turn ret to positive value to handle the positive error code */
                                switch (-ret) {
@@ -720,8 +751,8 @@ static int enable_events(char *session_name)
                }
 
                if (opt_filter) {
-                       ret = lttng_enable_event_with_filter(handle, &ev, channel_name,
-                                       opt_filter);
+                       ret = lttng_enable_event_with_exclusions(handle, &ev, channel_name,
+                                       opt_filter, exclusion_count, exclusion_list);
                        if (ret < 0) {
                                switch (-ret) {
                                case LTTNG_ERR_FILTER_EXIST:
@@ -756,6 +787,13 @@ error:
        }
        lttng_destroy_handle(handle);
 
+       if (exclusion_list != NULL) {
+               while (exclusion_count--) {
+                       free(exclusion_list[exclusion_count]);
+               }
+               free(exclusion_list);
+       }
+
        return ret;
 }
 
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