From: Mikko Rapeli <mikko.rapeli@linaro.org>
Date: Thu, 9 Feb 2023 08:09:36 +0000 (+0200)
Subject: oeqa qemurunner.py: try to avoid reading one character at a time
X-Git-Tag: lucaceresoli/bug-15201-perf-libtraceevent-missing~1720
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0049f6757f6f956fb4cc77b3df6a672c20b53cf4;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git

oeqa qemurunner.py: try to avoid reading one character at a time

Read from serial console with a small delay to bundle data to e.g.
full lines. Reading one character at a time is not needed and causes
busy looping.

Signed-off-by: Mikko Rapeli <mikko.rapeli@linaro.org>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
---

diff --git a/meta/lib/oeqa/utils/qemurunner.py b/meta/lib/oeqa/utils/qemurunner.py
index bce00c696a4..05385763ace 100644
--- a/meta/lib/oeqa/utils/qemurunner.py
+++ b/meta/lib/oeqa/utils/qemurunner.py
@@ -658,6 +658,8 @@ class QemuRunner:
             except InterruptedError:
                 continue
             if sread:
+                # try to avoid reading single character at a time
+                time.sleep(0.1)
                 answer = self.server_socket.recv(1024)
                 if answer:
                     data += answer.decode('utf-8')