From patchwork Mon Feb 20 14:18:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steve Sakoman X-Patchwork-Id: 19830 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63355C636CC for ; Mon, 20 Feb 2023 14:19:20 +0000 (UTC) Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) by mx.groups.io with SMTP id smtpd.web10.13865.1676902758807710705 for ; Mon, 20 Feb 2023 06:19:18 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=@sakoman-com.20210112.gappssmtp.com header.s=20210112 header.b=xTWe4Fcb; spf=softfail (domain: sakoman.com, ip: 209.85.210.179, mailfrom: steve@sakoman.com) Received: by mail-pf1-f179.google.com with SMTP id g12so648966pfi.0 for ; Mon, 20 Feb 2023 06:19:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sakoman-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=PyqWoa3xzLASBdv0OFKUSWEn2FogIu3JhAgLX68lQos=; b=xTWe4FcbWFLE+Cg3tso+mKev+/9esdY38VAlkcqQPYdxnZCbn9PR8Eg4E5xuduP8Wa Bhv1p8DgHiHuV5+ecUa5b17iuaT5kjzSlAzw3XFDmRqFrTbau9UyGC/Ngsyy8NoZJfDU 5KsdEYaiD4LxwIkgje5fZQOuo4IaErqWRM6KT3jSJF9y0e0SyT3Ou/QLToxtQiteR/Px IL++oIC9CzEXf12EWhRu6274/o6DWnkB4/c7VeHG1qFg34a9NI9/Jyemcz3021/f6gxV b6XL8Bowwsvm5Lji6u2Ok2bb1RjEvrfjb98lq5RQMHA9xq/+JNoWczFufoT+fvLouasg SBRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=PyqWoa3xzLASBdv0OFKUSWEn2FogIu3JhAgLX68lQos=; b=VcEFVr5bVPeSebJkcZgp60uImskWAxxA/z+GhY6eqq8cCbbgYv8rrOULq9hFzlPoTe 4gUnn3RuIR4j6WxD0tguZ/bDDvLIUfYbrg1CNlei4y3gEbS8ngzG1DbUPlS3EEkNETe5 yWe3xHFOWp1yFh0gV35LfRf67zxmXskGPgtvoDbn5auxx+daIcMkvChy/EhekGBFDkrK D0wKatbilqHYucKlYhh1UY42CUPn9DzLfVW7ZSngfbhnPoiY9XYSS/3t7/4sr3xnzs6Z BQY27GfGc9ezOGLZz77voK1B2p6QgoSCwSglMyxgLE2m8JjxT7gn93cn6bJzcp94RIDQ /9sw== X-Gm-Message-State: AO0yUKV0nYyTuBR37vcevAFukr3W3FStNNMEm7lk+vVOnt1yhP/lgfwq D1lUkrg6Ni9D5BrP1RYntbWdZq5jONvKaok0IQ4= X-Google-Smtp-Source: AK7set+RkU8fBAkUKFv7j8dgTSu++M1u1X6HvNFMeYIlxVECOHWmBwn+b5OrpyKoPxMuToSbLHUvtg== X-Received: by 2002:a62:1d4e:0:b0:5a9:c75f:bcbf with SMTP id d75-20020a621d4e000000b005a9c75fbcbfmr955594pfd.34.1676902757851; Mon, 20 Feb 2023 06:19:17 -0800 (PST) Received: from hexa.router0800d9.com (dhcp-72-253-4-112.hawaiiantel.net. [72.253.4.112]) by smtp.gmail.com with ESMTPSA id q19-20020a62e113000000b0058baf8694e1sm7789297pfh.71.2023.02.20.06.19.16 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Feb 2023 06:19:17 -0800 (PST) From: Steve Sakoman To: openembedded-core@lists.openembedded.org Subject: [OE-core][langdale 22/22] oeqa qemurunner.py: try to avoid reading one character at a time Date: Mon, 20 Feb 2023 04:18:29 -1000 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 20 Feb 2023 14:19:20 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/177428 From: Mikko Rapeli 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 Signed-off-by: Luca Ceresoli (cherry picked from commit 0049f6757f6f956fb4cc77b3df6a672c20b53cf4) Signed-off-by: Steve Sakoman --- meta/lib/oeqa/utils/qemurunner.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/meta/lib/oeqa/utils/qemurunner.py b/meta/lib/oeqa/utils/qemurunner.py index d21b0a275f..1aaba02bd8 100644 --- a/meta/lib/oeqa/utils/qemurunner.py +++ b/meta/lib/oeqa/utils/qemurunner.py @@ -653,6 +653,8 @@ 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')