X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fchannel.c;h=984576edc2e03b68595348f643dfa2e9c19ebdbb;hp=d826125c9b8c7acaf5a57f294aeb7d29f78803ea;hb=27babd3a0a164f71d4dc02884ef20099ddfc6755;hpb=5288612f2dc35805e861d0648bf75304c91bfeee

diff --git a/src/bin/lttng-sessiond/channel.c b/src/bin/lttng-sessiond/channel.c
index d826125c9..984576edc 100644
--- a/src/bin/lttng-sessiond/channel.c
+++ b/src/bin/lttng-sessiond/channel.c
@@ -184,6 +184,12 @@ int channel_kernel_create(struct ltt_kernel_session *ksession,
 		attr = defattr;
 	}
 
+	if (ksession->snapshot_mode) {
+		/* Force channel attribute for snapshot mode. */
+		attr->attr.overwrite = 1;
+		attr->attr.output = LTTNG_EVENT_MMAP;
+	}
+
 	/* Channel not found, creating it */
 	ret = kernel_create_channel(ksession, attr);
 	if (ret < 0) {
@@ -263,6 +269,12 @@ int channel_ust_create(struct ltt_ust_session *usess,
 		attr = defattr;
 	}
 
+	if (usess->snapshot_mode) {
+		/* Force channel attribute for snapshot mode. */
+		attr->attr.overwrite = 1;
+		attr->attr.output = LTTNG_EVENT_MMAP;
+	}
+
 	/*
 	 * Validate UST buffer size and number of buffers: must both be power of 2
 	 * and nonzero. We validate right here for UST, because applications will