add debug message when events are lost in a subbuffer, on buffer_end

[ust.git] / libust / buffers.c

diff --git a/libust/buffers.c b/libust/buffers.c
index 02eaec61b03defe0995c525b407bbc023ea1c4ef..206d5e7404f75a793ae3ae949dcdf23c6081022b 100644 (file)
--- a/libust/buffers.c
+++ b/libust/buffers.c
@@ -331,6 +331,9 @@ static notrace void ltt_buffer_end(struct ust_buffer *buf,
        header->cycle_count_end = tsc;
        header->events_lost = local_read(&buf->events_lost);
        header->subbuf_corrupt = local_read(&buf->corrupted_subbuffers);
+       if(unlikely(header->events_lost > 0)) {
+               DBG("Some events (%d) were lost in %s_%d", header->events_lost, buf->chan->channel_name, buf->cpu);
+       }
 }
 
 /*
@@ -1359,7 +1362,7 @@ static void ltt_reserve_switch_old_subbuf(
                  &buf->commit_count[oldidx].cc);
        commit_count = local_read(&buf->commit_count[oldidx].cc);
        ltt_check_deliver(chan, buf, offsets->old - 1, commit_count, oldidx);
-       ltt_write_commit_counter(buf, oldidx,
+       ltt_write_commit_counter(chan, buf, oldidx,
                offsets->old, commit_count, padding_size);
 }
 
@@ -1390,7 +1393,7 @@ static void ltt_reserve_switch_new_subbuf(
        commit_count = local_read(&buf->commit_count[beginidx].cc);
        /* Check if the written buffer has to be delivered */
        ltt_check_deliver(chan, buf, offsets->begin, commit_count, beginidx);
-       ltt_write_commit_counter(buf, beginidx,
+       ltt_write_commit_counter(chan, buf, beginidx,
                offsets->begin, commit_count, ltt_subbuffer_header_size());
 }
 
@@ -1436,7 +1439,7 @@ static void ltt_reserve_end_switch_current(
        commit_count = local_read(&buf->commit_count[endidx].cc);
        ltt_check_deliver(chan, buf,
                offsets->end - 1, commit_count, endidx);
-       ltt_write_commit_counter(buf, endidx,
+       ltt_write_commit_counter(chan, buf, endidx,
                offsets->end, commit_count, padding_size);
 }