Fix event lost count when buffer is full

[lttng-ust.git] / liblttng-ust / ltt-ring-buffer-metadata-client.h

diff --git a/liblttng-ust/ltt-ring-buffer-metadata-client.h b/liblttng-ust/ltt-ring-buffer-metadata-client.h
index 40f749d510e7aa7a3555f61e920aba90a28f7130..1e18df9d33a14fa4dd3969faf5bd17f4d9d0477b 100644 (file)
--- a/liblttng-ust/ltt-ring-buffer-metadata-client.h
+++ b/liblttng-ust/ltt-ring-buffer-metadata-client.h
@@ -131,7 +131,11 @@ static void client_buffer_end(struct lttng_ust_lib_ring_buffer *buf, uint64_t ts
 
        header->content_size = data_size * CHAR_BIT;            /* in bits */
        header->packet_size = PAGE_ALIGN(data_size) * CHAR_BIT; /* in bits */
-       records_lost += lib_ring_buffer_get_records_lost_full(&client_config, buf);
+       /*
+        * We do not care about the records lost count, because the metadata
+        * channel waits and retry.
+        */
+       (void) lib_ring_buffer_get_records_lost_full(&client_config, buf);
        records_lost += lib_ring_buffer_get_records_lost_wrap(&client_config, buf);
        records_lost += lib_ring_buffer_get_records_lost_big(&client_config, buf);
        WARN_ON_ONCE(records_lost != 0);