consumerd: move rotation logic to domain-agnostic read path

[lttng-tools.git] / src / common / ust-consumer / ust-consumer.c

diff --git a/src/common/ust-consumer/ust-consumer.c b/src/common/ust-consumer/ust-consumer.c
index e5143cd4a5f38afbc8e77189135c68fff25e4e96..2f09eac80763e2c20ae60b83e38e4593d5f84346 100644 (file)
--- a/src/common/ust-consumer/ust-consumer.c
+++ b/src/common/ust-consumer/ust-consumer.c
@@ -2789,7 +2789,7 @@ int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
                struct lttng_consumer_local_data *ctx)
 {
        unsigned long len, subbuf_size, padding;
-       int err, write_index = 1, rotation_ret;
+       int err, write_index = 1;
        long ret = 0;
        struct ustctl_consumer_stream *ustream;
        struct ctf_packet_index index;
@@ -2827,20 +2827,6 @@ int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
                }
        }
 
-       /*
-        * If the stream was flagged to be ready for rotation before we extract the
-        * next packet, rotate it now.
-        */
-       if (stream->rotate_ready) {
-               DBG("Rotate stream before extracting data");
-               rotation_ret = lttng_consumer_rotate_stream(ctx, stream);
-               if (rotation_ret < 0) {
-                       ERR("Stream rotation error");
-                       ret = -1;
-                       goto error;
-               }
-       }
-
 retry:
        /* Get the next subbuffer */
        err = ustctl_get_next_subbuf(ustream);
@@ -2952,7 +2938,7 @@ error_put_subbuf:
 
        /* Write index if needed. */
        if (!write_index) {
-               goto rotate;
+               goto end;
        }
 
        if (stream->chan->live_timer_interval && !stream->metadata_flag) {
@@ -2987,24 +2973,7 @@ error_put_subbuf:
                goto error;
        }
 
-rotate:
-       /*
-        * After extracting the packet, we check if the stream is now ready to be
-        * rotated and perform the action immediately.
-        */
-       rotation_ret = lttng_consumer_stream_is_rotate_ready(stream);
-       if (rotation_ret == 1) {
-               rotation_ret = lttng_consumer_rotate_stream(ctx, stream);
-               if (rotation_ret < 0) {
-                       ERR("Stream rotation error");
-                       ret = -1;
-                       goto error;
-               }
-       } else if (rotation_ret < 0) {
-               ERR("Checking if stream is ready to rotate");
-               ret = -1;
-               goto error;
-       }
+end:
 error:
        return ret;
 }