From: Pierre-Marc Fournier <pierre-marc.fournier@polymtl.ca>
Date: Mon, 15 Feb 2010 05:20:06 +0000 (-0500)
Subject: Don't call the noop version of ltt_write_commit_counter
X-Git-Tag: v0.2~12
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=1e8c9e7b5464b708572fe0d28f9d8bf572784e45;p=ust.git

Don't call the noop version of ltt_write_commit_counter
---

diff --git a/libust/buffers.c b/libust/buffers.c
index 02eaec6..849cad7 100644
--- a/libust/buffers.c
+++ b/libust/buffers.c
@@ -1359,7 +1359,7 @@ 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 +1390,7 @@ 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 +1436,7 @@ 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);
 }
 
diff --git a/libust/buffers.h b/libust/buffers.h
index 951c9b0..28faad7 100644
--- a/libust/buffers.h
+++ b/libust/buffers.h
@@ -417,10 +417,10 @@ static __inline__ void ltt_force_switch(struct ust_buffer *buf,
  * commit count reaches back the reserve offset (module subbuffer size). It is
  * useful for crash dump.
  */
-#ifdef CONFIG_LTT_VMCORE
-static __inline__ void ltt_write_commit_counter(struct rchan_buf *buf,
-		struct ltt_channel_buf_struct *ltt_buf,
-		long idx, long buf_offset, long commit_count, size_t data_size)
+//ust// #ifdef CONFIG_LTT_VMCORE
+static __inline__ void ltt_write_commit_counter(struct ust_channel *chan,
+		struct ust_buffer *buf, long idx, long buf_offset,
+		long commit_count, size_t data_size)
 {
 	long offset;
 	long commit_seq_old;
@@ -436,17 +436,19 @@ static __inline__ void ltt_write_commit_counter(struct rchan_buf *buf,
 	if (unlikely(SUBBUF_OFFSET(offset - commit_count, buf->chan)))
 		return;
 
-	commit_seq_old = local_read(&ltt_buf->commit_seq[idx]);
+	commit_seq_old = local_read(&buf->commit_seq[idx]);
 	while (commit_seq_old < commit_count)
-		commit_seq_old = local_cmpxchg(&ltt_buf->commit_seq[idx],
+		commit_seq_old = local_cmpxchg(&buf->commit_seq[idx],
 					 commit_seq_old, commit_count);
+
+	DBG("commit_seq for channel %s_%d, subbuf %ld is now %ld", buf->chan->channel_name, buf->cpu, idx, commit_count);
 }
-#else
-static __inline__ void ltt_write_commit_counter(struct ust_buffer *buf,
-		long idx, long buf_offset, long commit_count, size_t data_size)
-{
-}
-#endif
+//ust// #else
+//ust// static __inline__ void ltt_write_commit_counter(struct ust_buffer *buf,
+//ust// 		long idx, long buf_offset, long commit_count, size_t data_size)
+//ust// {
+//ust// }
+//ust// #endif
 
 /*
  * Atomic unordered slot commit. Increments the commit count in the
@@ -504,7 +506,7 @@ static __inline__ void ltt_commit_slot(
 	 * Update data_size for each commit. It's needed only for extracting
 	 * ltt buffers from vmcore, after crash.
 	 */
-	ltt_write_commit_counter(buf, endidx, buf_offset, commit_count, data_size);
+	ltt_write_commit_counter(chan, buf, endidx, buf_offset, commit_count, data_size);
 }
 
 void _ust_buffers_write(struct ust_buffer *buf, size_t offset,