Adding context to an event is no longer possible

[lttng-tools.git] / src / lib / lttng-ctl / lttng-ctl.c

diff --git a/src/lib/lttng-ctl/lttng-ctl.c b/src/lib/lttng-ctl/lttng-ctl.c
index 46338fb8520bb076737e79782048e0e9e8aa042f..4884b0294a0bfcc3aa73b67df222c6a08d845b74 100644 (file)
--- a/src/lib/lttng-ctl/lttng-ctl.c
+++ b/src/lib/lttng-ctl/lttng-ctl.c
@@ -749,10 +749,10 @@ int lttng_stop_tracing_no_wait(const char *session_name)
 }
 
 /*
- * Add context to event and/or channel.
- * If event_name is NULL, the context is applied to all events of the channel.
- * If channel_name is NULL, a lookup of the event's channel is done.
- * If both are NULL, the context is applied to all events of all channels.
+ * Add context to a channel.
+ *
+ * If the given channel is NULL, add the contexts to all channels.
+ * The event_name param is ignored.
  *
  * Returns the size of the returned payload data or a negative error code.
  */
@@ -774,9 +774,6 @@ int lttng_add_context(struct lttng_handle *handle,
        /* Copy channel name */
        copy_string(lsm.u.context.channel_name, channel_name,
                        sizeof(lsm.u.context.channel_name));
-       /* Copy event name */
-       copy_string(lsm.u.context.event_name, event_name,
-                       sizeof(lsm.u.context.event_name));
 
        copy_lttng_domain(&lsm.domain, &handle->domain);
 
@@ -1344,7 +1341,7 @@ void lttng_channel_set_default_attr(struct lttng_domain *domain,
                attr->switch_timer_interval = DEFAULT_CHANNEL_SWITCH_TIMER;
                attr->read_timer_interval = DEFAULT_CHANNEL_READ_TIMER;
 
-               attr->subbuf_size = DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE;
+               attr->subbuf_size = default_get_kernel_channel_subbuf_size();
                attr->num_subbuf = DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM;
                attr->output = DEFAULT_KERNEL_CHANNEL_OUTPUT;
                break;
@@ -1358,7 +1355,7 @@ void lttng_channel_set_default_attr(struct lttng_domain *domain,
                attr->switch_timer_interval = DEFAULT_CHANNEL_SWITCH_TIMER;
                attr->read_timer_interval = DEFAULT_CHANNEL_READ_TIMER;
 
-               attr->subbuf_size = DEFAULT_UST_CHANNEL_SUBBUF_SIZE;
+               attr->subbuf_size = default_get_ust_channel_subbuf_size();
                attr->num_subbuf = DEFAULT_UST_CHANNEL_SUBBUF_NUM;
                attr->output = DEFAULT_UST_CHANNEL_OUTPUT;
                break;