Performance: Only dereference commit index once

[lttng-modules.git] / lib / ringbuffer / ring_buffer_frontend.c

diff --git a/lib/ringbuffer/ring_buffer_frontend.c b/lib/ringbuffer/ring_buffer_frontend.c
index 9d13d2920420ee6c525d1e22ac0558dc030b7b1f..5e691bca9a52efd682800b8a1fc28d6cb6aa4a1a 100644 (file)
--- a/lib/ringbuffer/ring_buffer_frontend.c
+++ b/lib/ringbuffer/ring_buffer_frontend.c
@@ -1380,9 +1380,9 @@ void lib_ring_buffer_switch_old_start(struct lib_ring_buffer *buf,
        /* Check if the written buffer has to be delivered */
        lib_ring_buffer_check_deliver(config, buf, chan, offsets->old,
                                      commit_count, oldidx, tsc);
-       lib_ring_buffer_write_commit_counter(config, buf, chan, oldidx,
+       lib_ring_buffer_write_commit_counter(config, buf, chan,
                        offsets->old + config->cb.subbuffer_header_size(),
-                       commit_count);
+                       commit_count, &buf->commit_hot[oldidx]);
 }
 
 /*
@@ -1424,8 +1424,9 @@ void lib_ring_buffer_switch_old_end(struct lib_ring_buffer *buf,
        commit_count = v_read(config, &buf->commit_hot[oldidx].cc);
        lib_ring_buffer_check_deliver(config, buf, chan, offsets->old - 1,
                                      commit_count, oldidx, tsc);
-       lib_ring_buffer_write_commit_counter(config, buf, chan, oldidx,
-                       offsets->old + padding_size, commit_count);
+       lib_ring_buffer_write_commit_counter(config, buf, chan,
+                       offsets->old + padding_size, commit_count,
+                       &buf->commit_hot[oldidx]);
 }
 
 /*
@@ -1466,9 +1467,9 @@ void lib_ring_buffer_switch_new_start(struct lib_ring_buffer *buf,
        /* Check if the written buffer has to be delivered */
        lib_ring_buffer_check_deliver(config, buf, chan, offsets->begin,
                                      commit_count, beginidx, tsc);
-       lib_ring_buffer_write_commit_counter(config, buf, chan, beginidx,
+       lib_ring_buffer_write_commit_counter(config, buf, chan,
                        offsets->begin + config->cb.subbuffer_header_size(),
-                       commit_count);
+                       commit_count, &buf->commit_hot[beginidx]);
 }
 
 /*