From 10dd3941021e171ae8ed4f2c3603607426e4af29 Mon Sep 17 00:00:00 2001 From: Pierre-Marc Fournier Date: Mon, 15 Feb 2010 00:16:04 -0500 Subject: [PATCH] add debugging messages on buffer switch --- libust/buffers.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libust/buffers.c b/libust/buffers.c index a36453d..02eaec6 100644 --- a/libust/buffers.c +++ b/libust/buffers.c @@ -1521,6 +1521,7 @@ void ltt_force_switch_lockless_slow(struct ust_buffer *buf, offsets.size = 0; + DBG("Switching (forced) %s_%d", chan->channel_name, buf->cpu); /* * Perform retryable operations. */ @@ -1738,6 +1739,7 @@ int ltt_reserve_slot_lockless_slow(struct ust_trace *trace, if (unlikely(offsets.end_switch_old)) { //ust// ltt_clear_noref_flag(chan, buf, SUBBUF_INDEX(offsets.old - 1, chan)); ltt_reserve_switch_old_subbuf(chan, buf, &offsets, tsc); + DBG("Switching %s_%d", chan->channel_name, cpu); } /* -- 2.34.1