Fix: only perform lttng_consumer_sync_trace_file() in local mode

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

diff --git a/src/common/consumer.c b/src/common/consumer.c
index 628d06c4a8eff03d69b37e29b7a4c9ef7db95737..4bc2d2e9f1da9ceaa6e482791ece71e9ec629e5c 100644 (file)
--- a/src/common/consumer.c
+++ b/src/common/consumer.c
@@ -1022,7 +1022,7 @@ struct lttng_consumer_channel *consumer_allocate_channel(uint64_t key,
 
        CDS_INIT_LIST_HEAD(&channel->streams.head);
 
-       DBG("Allocated channel (key %" PRIu64 ")", channel->key)
+       DBG("Allocated channel (key %" PRIu64 ")", channel->key);
 
 end:
        return channel;
@@ -1233,6 +1233,7 @@ void lttng_consumer_should_exit(struct lttng_consumer_local_data *ctx)
 void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream,
                off_t orig_offset)
 {
+       int ret;
        int outfd = stream->out_fd;
 
        /*
@@ -1263,8 +1264,12 @@ void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream,
         * defined. So it can be expected to lead to lower throughput in
         * streaming.
         */
-       posix_fadvise(outfd, orig_offset - stream->max_sb_size,
+       ret = posix_fadvise(outfd, orig_offset - stream->max_sb_size,
                        stream->max_sb_size, POSIX_FADV_DONTNEED);
+       if (ret && ret != -ENOSYS) {
+               errno = ret;
+               PERROR("posix_fadvise on fd %i", outfd);
+       }
 }
 
 /*
@@ -1598,6 +1603,12 @@ ssize_t lttng_consumer_on_read_subbuffer_mmap(
                        outfd = stream->out_fd;
 
                        if (stream->index_fd >= 0) {
+                               ret = close(stream->index_fd);
+                               if (ret < 0) {
+                                       PERROR("Closing index");
+                                       goto end;
+                               }
+                               stream->index_fd = -1;
                                ret = index_create_file(stream->chan->pathname,
                                                stream->name, stream->uid, stream->gid,
                                                stream->chan->tracefile_size,
@@ -1658,8 +1669,8 @@ ssize_t lttng_consumer_on_read_subbuffer_mmap(
                lttng_sync_file_range(outfd, stream->out_fd_offset, len,
                                SYNC_FILE_RANGE_WRITE);
                stream->out_fd_offset += len;
+               lttng_consumer_sync_trace_file(stream, orig_offset);
        }
-       lttng_consumer_sync_trace_file(stream, orig_offset);
 
 write_error:
        /*
@@ -1870,7 +1881,9 @@ ssize_t lttng_consumer_on_read_subbuffer_splice(
                stream->output_written += ret_splice;
                written += ret_splice;
        }
-       lttng_consumer_sync_trace_file(stream, orig_offset);
+       if (!relayd) {
+               lttng_consumer_sync_trace_file(stream, orig_offset);
+       }
        goto end;
 
 write_error:
@@ -2219,10 +2232,10 @@ restart:
                DBG("Metadata poll return from wait with %d fd(s)",
                                LTTNG_POLL_GETNB(&events));
                health_poll_exit();
-               DBG("Metadata event catched in thread");
+               DBG("Metadata event caught in thread");
                if (ret < 0) {
                        if (errno == EINTR) {
-                               ERR("Poll EINTR catched");
+                               ERR("Poll EINTR caught");
                                goto restart;
                        }
                        if (LTTNG_POLL_GETNB(&events) == 0) {
@@ -2802,10 +2815,10 @@ restart:
                DBG("Channel poll return from wait with %d fd(s)",
                                LTTNG_POLL_GETNB(&events));
                health_poll_exit();
-               DBG("Channel event catched in thread");
+               DBG("Channel event caught in thread");
                if (ret < 0) {
                        if (errno == EINTR) {
-                               ERR("Poll EINTR catched");
+                               ERR("Poll EINTR caught");
                                goto restart;
                        }
                        if (LTTNG_POLL_GETNB(&events) == 0) {