X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-consumer%2Fkernel-consumer.c;h=c5c87cc9e12ff191337c2e40283ca7a860193a26;hb=b3ab5004b1b4ad1cec80cd5ef25fb6ea835e13f8;hp=fdd9ca65b05e8617299ee5909f11e886f8679a37;hpb=cbf53d23cecaca9c6ec71582663c4a8254a9f285;p=lttng-tools.git

diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c
index fdd9ca65b..c5c87cc9e 100644
--- a/src/common/kernel-consumer/kernel-consumer.c
+++ b/src/common/kernel-consumer/kernel-consumer.c
@@ -1159,6 +1159,32 @@ end_destroy_channel:
 error_rotate_channel:
 		goto end_nosignal;
 	}
+	case LTTNG_CONSUMER_CLEAR_CHANNEL:
+	{
+		struct lttng_consumer_channel *channel;
+		uint64_t key = msg.u.clear_channel.key;
+
+		channel = consumer_find_channel(key);
+		if (!channel) {
+			DBG("Channel %" PRIu64 " not found", key);
+			ret_code = LTTCOMM_CONSUMERD_CHAN_NOT_FOUND;
+		} else {
+			ret = lttng_consumer_clear_channel(channel);
+			if (ret) {
+				ERR("Clear channel failed");
+				ret_code = ret;
+			}
+
+			health_code_update();
+		}
+		ret = consumer_send_status_msg(sock, ret_code);
+		if (ret < 0) {
+			/* Somehow, the session daemon is not responding anymore. */
+			goto end_nosignal;
+		}
+
+		break;
+	}
 	case LTTNG_CONSUMER_INIT:
 	{
 		ret_code = lttng_consumer_init_command(ctx,
@@ -1445,6 +1471,7 @@ int update_stream_stats(struct lttng_consumer_stream *stream)
 		if (ret == -ENOTTY) {
 			/* Command not implemented by lttng-modules. */
 			seq = -1ULL;
+			stream->sequence_number_unavailable = true;
 		} else {
 			PERROR("kernctl_get_sequence_number");
 			goto end;