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[2001:4830:134:3::11]) by mx.google.com with ESMTPS id h68si28556219qgf.82.2016.04.13.06.34.53 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 13 Apr 2016 06:34:53 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom=qemu-devel-bounces+patch=linaro.org@nongnu.org; dmarc=fail (p=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:43926 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aqKwX-0005ET-AD for patch@linaro.org; Wed, 13 Apr 2016 09:34:53 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50101) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aqKw0-0004YO-6e for qemu-devel@nongnu.org; Wed, 13 Apr 2016 09:34:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aqKvx-0006Bw-1T for qemu-devel@nongnu.org; Wed, 13 Apr 2016 09:34:20 -0400 Received: from mail-wm0-x22b.google.com ([2a00:1450:400c:c09::22b]:36715) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aqKvw-0006BG-KC for qemu-devel@nongnu.org; Wed, 13 Apr 2016 09:34:16 -0400 Received: by mail-wm0-x22b.google.com with SMTP id v188so175077860wme.1 for ; Wed, 13 Apr 2016 06:34:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=bkUOh5jru+Xd92/WL94LzCgXbjU5ZIlYLoHweYPp67A=; b=Lo/WGYqtLBk+HgGKr0I9h0ORXn/9y2Y1BdZ8OCR4b9qOv6KMemiJObZCqguEmlvSoe PNRiD1ycWQXFIX+8qvKkDvSKnZ9ocBiS/pLIbFcKKo0tvVNgXSKFU+bW0/v8FTVjgWCn wRufHE2cbWrYUqpxmY13wNkl5YUkZUFiyDsKg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=bkUOh5jru+Xd92/WL94LzCgXbjU5ZIlYLoHweYPp67A=; b=mpYus7H6nYhO5Yhd95IybowU3a/tigp089AUUfF3z5fAHGOO6WDoB9nSCbG84QZC36 2FRnpd7tyCau1R7biHR7UNvjqOoYF7lt0vpd1XypwrV1l5O0+GFRG3ULlDf2hmPdqMU2 XnQjF/lCH8LQJuKiRQ7A6cb4y5L7bhTFAsCqxNs6zKLIDe4JBhJwcY3q8UttSAbi2cyc erO8klb9zQZ1KcuBFVruV5qxE/joMHeR/2fxFtkvamoD1yrSRKo1ckETN/Bo/mw5TpXo 9V0vO9s7LgSdPJ1WWKx1vxsQ1AiUi+LNPahaEL3A2/hxxVbQiWXd3zwy3x24tsx9LKQs Rpqw== X-Gm-Message-State: AD7BkJJcmsDKb/piG5aNAJpqFwcbksEPqziNjuqZYW1YSYPN8QNlteMAb2uikL1kJ8/5CjHj X-Received: by 10.28.127.4 with SMTP id a4mr31973853wmd.76.1460554455504; Wed, 13 Apr 2016 06:34:15 -0700 (PDT) Received: from zen.linaro.local ([81.128.185.34]) by smtp.gmail.com with ESMTPSA id m134sm1327758wmd.14.2016.04.13.06.34.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Apr 2016 06:34:14 -0700 (PDT) Received: from zen.linaroharston (localhost [127.0.0.1]) by zen.linaro.local (Postfix) with ESMTP id 159573E02AD; Wed, 13 Apr 2016 14:34:26 +0100 (BST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Date: Wed, 13 Apr 2016 14:34:17 +0100 Message-Id: <1460554457-18119-1-git-send-email-alex.bennee@linaro.org> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a00:1450:400c:c09::22b Subject: [Qemu-devel] [RFC] libqtest: dump child invocation when QTEST_LOG set X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , armbru@redhat.com Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" The QTEST_LOG environment is used for debugging qtest interactions with a child process. When it is defined we now also dump the invocation line to stderr to make it easier for people to see how QEMU was invoked. Signed-off-by: Alex Bennée --- tests/libqtest.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) -- 2.7.4 diff --git a/tests/libqtest.c b/tests/libqtest.c index b12a9e4..dd94abf 100644 --- a/tests/libqtest.c +++ b/tests/libqtest.c @@ -171,6 +171,7 @@ QTestState *qtest_init(const char *extra_args) s->qemu_pid = fork(); if (s->qemu_pid == 0) { + bool qtest_log = getenv("QTEST_LOG"); setenv("QEMU_AUDIO_DRV", "none", true); command = g_strdup_printf("exec %s " "-qtest unix:%s,nowait " @@ -179,9 +180,12 @@ QTestState *qtest_init(const char *extra_args) "-machine accel=qtest " "-display none " "%s", qemu_binary, socket_path, - getenv("QTEST_LOG") ? "/dev/fd/2" : "/dev/null", + qtest_log ? "/dev/fd/2" : "/dev/null", qmp_socket_path, extra_args ?: ""); + if (qtest_log) { + fprintf(stderr, "%s\n", command); + } execlp("/bin/sh", "sh", "-c", command, NULL); exit(1); }