X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lib%2Fringbuffer%2Ffrontend_api.h;h=a6f2c6f4f16742a4b35dafaeafcc25eaa13e1a61;hb=8ec496cfb24b29a54c057a332fc91e761994999e;hp=517af6350b7c620a881dddf13401b4979969a793;hpb=e650bcc12be0e62b166ffa1e5171fef2c437d267;p=lttng-modules.git diff --git a/lib/ringbuffer/frontend_api.h b/lib/ringbuffer/frontend_api.h index 517af635..a6f2c6f4 100644 --- a/lib/ringbuffer/frontend_api.h +++ b/lib/ringbuffer/frontend_api.h @@ -250,6 +250,7 @@ void lib_ring_buffer_commit(const struct lib_ring_buffer_config *config, unsigned long offset_end = ctx->buf_offset; unsigned long endidx = subbuf_index(offset_end - 1, chan); unsigned long commit_count; + struct commit_counters_hot *cc_hot = &buf->commit_hot[endidx]; /* * Must count record before incrementing the commit count. @@ -270,7 +271,7 @@ void lib_ring_buffer_commit(const struct lib_ring_buffer_config *config, } else smp_wmb(); - v_add(config, ctx->slot_size, &buf->commit_hot[endidx].cc); + v_add(config, ctx->slot_size, &cc_hot->cc); /* * commit count read can race with concurrent OOO commit count updates. @@ -290,7 +291,7 @@ void lib_ring_buffer_commit(const struct lib_ring_buffer_config *config, * count reaches back the reserve offset for a specific sub-buffer, * which is completely independent of the order. */ - commit_count = v_read(config, &buf->commit_hot[endidx].cc); + commit_count = v_read(config, &cc_hot->cc); lib_ring_buffer_check_deliver(config, buf, chan, offset_end - 1, commit_count, endidx, ctx->tsc); @@ -298,8 +299,8 @@ void lib_ring_buffer_commit(const struct lib_ring_buffer_config *config, * Update used size at each commit. It's needed only for extracting * ring_buffer buffers from vmcore, after crash. */ - lib_ring_buffer_write_commit_counter(config, buf, chan, endidx, - offset_end, commit_count); + lib_ring_buffer_write_commit_counter(config, buf, chan, + offset_end, commit_count, cc_hot); } /**