From patchwork Thu Feb 9 08:09:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikko Rapeli X-Patchwork-Id: 19267 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 85F80C64ED6 for ; Thu, 9 Feb 2023 08:10:00 +0000 (UTC) Received: from mail.kapsi.fi (mail.kapsi.fi [91.232.154.25]) by mx.groups.io with SMTP id smtpd.web11.9263.1675930193276590446 for ; Thu, 09 Feb 2023 00:09:53 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=none, err=permanent DNS error (domain: lakka.kapsi.fi, ip: 91.232.154.25, mailfrom: mcfrisk@lakka.kapsi.fi) Received: from kapsi.fi ([2001:67c:1be8::11] helo=lakka.kapsi.fi) by mail.kapsi.fi with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1pQ207-00B9tx-Er; Thu, 09 Feb 2023 10:09:51 +0200 Received: from mcfrisk by lakka.kapsi.fi with local (Exim 4.94.2) (envelope-from ) id 1pQ207-000cnI-5W; Thu, 09 Feb 2023 10:09:51 +0200 From: Mikko Rapeli To: openembedded-core@lists.openembedded.org Cc: Mikko Rapeli Subject: [PATCH v2 5/8] oeqa qemurunner: read more data at a time from serial Date: Thu, 9 Feb 2023 10:09:33 +0200 Message-Id: <20230209080936.148489-6-mikko.rapeli@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230209080936.148489-1-mikko.rapeli@linaro.org> References: <20230209080936.148489-1-mikko.rapeli@linaro.org> MIME-Version: 1.0 X-Rspam-Score: -1.2 (-) X-Rspam-Report: Action: no action Symbol: RCVD_TLS_LAST(0.00) Symbol: ARC_NA(0.00) Symbol: DMARC_POLICY_SOFTFAIL(0.10) Symbol: FROM_HAS_DN(0.00) Symbol: TO_DN_SOME(0.00) Symbol: R_MISSING_CHARSET(0.50) Symbol: TO_MATCH_ENVRCPT_ALL(0.00) Symbol: MIME_GOOD(-0.10) Symbol: RCPT_COUNT_TWO(0.00) Symbol: MID_CONTAINS_FROM(1.00) Symbol: R_SPF_NA(0.00) Symbol: FORGED_SENDER(0.30) Symbol: R_DKIM_NA(0.00) Symbol: MIME_TRACE(0.00) Symbol: ASN(0.00) Symbol: FROM_NEQ_ENVFROM(0.00) Symbol: BAYES_HAM(-3.00) Symbol: RCVD_COUNT_TWO(0.00) Message-ID: 20230209080936.148489-6-mikko.rapeli@linaro.org X-SA-Exim-Connect-IP: 2001:67c:1be8::11 X-SA-Exim-Mail-From: mcfrisk@lakka.kapsi.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false 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 ; Thu, 09 Feb 2023 08:10:00 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/176924 Use a short sleep to bundle serial console reads so that we are not reading one character at a time which reduces busy looping. Signed-off-by: Mikko Rapeli --- meta/lib/oeqa/utils/qemurunner.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/meta/lib/oeqa/utils/qemurunner.py b/meta/lib/oeqa/utils/qemurunner.py index 8b893601d4..2e054447fc 100644 --- a/meta/lib/oeqa/utils/qemurunner.py +++ b/meta/lib/oeqa/utils/qemurunner.py @@ -202,7 +202,7 @@ class QemuRunner: qmp_file = "." + next(tempfile._get_candidate_names()) qmp_param = ' -S -qmp unix:./%s,server,wait' % (qmp_file) qmp_port = self.tmpdir + "/" + qmp_file - # Create a second socket connection for debugging use, + # Create a second socket connection for debugging use, # note this will NOT cause qemu to block waiting for the connection qmp_file2 = "." + next(tempfile._get_candidate_names()) qmp_param += ' -qmp unix:./%s,server,nowait' % (qmp_file2) @@ -468,6 +468,8 @@ class QemuRunner: socklist.remove(self.server_socket) self.logger.debug("Connection from %s:%s" % addr) else: + # try to avoid reading only a single character at a time + time.sleep(0.1) data = data + sock.recv(1024) if data: bootlog += data