[PATCH BlueZ v2 1/9] monitor/analyze: Free the channel latency plots

[Luiz Augusto von Dentz <luiz.dentz@gmail.com>]

From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

A channel keeps a plot of its latencies for as long as it exists, but
destroying one frees only the channel itself, leaking both plots and
everything queued on them. A connection already frees its own.

Assisted-by: opencode:claude-opus-5
---
 monitor/analyze.c | 2 ++
 monitor/l2cap.c   | 6 ++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/monitor/analyze.c b/monitor/analyze.c
index 154303eb7330..5a3adedc211c 100644
--- a/monitor/analyze.c
+++ b/monitor/analyze.c
@@ -298,6 +298,8 @@ static void chan_destroy(void *data)
 	print_stats(&chan->tx, "TX");
 
 done:
+	queue_destroy(chan->rx.plot, free);
+	queue_destroy(chan->tx.plot, free);
 	free(chan);
 }
 
diff --git a/monitor/l2cap.c b/monitor/l2cap.c
index a132bcf397f4..3eaca5bc226b 100644
--- a/monitor/l2cap.c
+++ b/monitor/l2cap.c
@@ -2913,9 +2913,11 @@ void l2cap_dequeue_frame(struct timeval *delta, struct packet_conn_data *conn)
 			frame->cid, frame->psm, mode2str(frame->mode),
 			frame->mode, frame->chan);
 
-	print_field("Channel Latency: %lld msec (%lld-%lld msec ~%lld msec)",
+	print_field("Channel Latency: %lld msec (%lld-%lld msec ~%lld msec "
+			"+/- %lld msec)",
 			TV_MSEC(*delta), TV_MSEC(chan->tx_l.min),
-			TV_MSEC(chan->tx_l.max), TV_MSEC(chan->tx_l.med));
+			TV_MSEC(chan->tx_l.max), TV_MSEC(chan->tx_l.med),
+			packet_latency_stddev(&chan->tx_l));
 
 	free(frame);
 }
-- 
2.55.0