From patchwork Tue Jul 20 01:35:23 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amos Kong X-Patchwork-Id: 112925 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o6K1ZWVR029612 for ; Tue, 20 Jul 2010 01:36:00 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761091Ab0GTBfa (ORCPT ); Mon, 19 Jul 2010 21:35:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48230 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761090Ab0GTBf3 (ORCPT ); Mon, 19 Jul 2010 21:35:29 -0400 Received: from int-mx08.intmail.prod.int.phx2.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o6K1ZRrH020726 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 19 Jul 2010 21:35:28 -0400 Received: from [127.0.1.1] (dhcp-91-133.nay.redhat.com [10.66.91.133]) by int-mx08.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o6K1ZOXq022323; Mon, 19 Jul 2010 21:35:26 -0400 Subject: [RFC PATCH 04/14] KVM-test: Add a new subtest ping To: lmr@redhat.com From: Amos Kong Cc: autotest@test.kernel.org, qemu-devel@nongnu.org, kvm@vger.kernel.org Date: Tue, 20 Jul 2010 09:35:23 +0800 Message-ID: <20100720013523.2212.20593.stgit@z> In-Reply-To: <20100720013414.2212.13476.stgit@z> References: <20100720013414.2212.13476.stgit@z> User-Agent: StGit/0.15 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.67 on 10.5.11.21 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Tue, 20 Jul 2010 01:36:00 +0000 (UTC) diff --git a/client/tests/kvm/tests/ping.py b/client/tests/kvm/tests/ping.py new file mode 100644 index 0000000..cfccda4 --- /dev/null +++ b/client/tests/kvm/tests/ping.py @@ -0,0 +1,71 @@ +import logging, time, re, commands +from autotest_lib.client.common_lib import error +import kvm_subprocess, kvm_test_utils, kvm_utils, kvm_net_utils + + +def run_ping(test, params, env): + """ + Ping the guest with different size of packets. + + Packet Loss Test: + 1) Ping the guest with different size/interval of packets. + Stress Test: + 1) Flood ping the guest. + 2) Check if the network is still usable. + + @param test: Kvm test object + @param params: Dictionary with the test parameters + @param env: Dictionary with test environment. + """ + + vm = kvm_test_utils.get_living_vm(env, params.get("main_vm")) + session = kvm_test_utils.wait_for_login(vm) + + counts = params.get("ping_counts", 100) + flood_minutes = float(params.get("flood_minutes", 10)) + nics = params.get("nics").split() + strict_check = params.get("strict_check", "no") == "yes" + + packet_size = [0, 1, 4, 48, 512, 1440, 1500, 1505, 4054, 4055, 4096, 4192, + 8878, 9000, 32767, 65507] + + try: + for i, nic in enumerate(nics): + ip = vm.get_address(i) + if not ip: + logging.error("Could not get the ip of nic index %d" % i) + continue + + for size in packet_size: + logging.info("Ping with packet size %s" % size) + status, output = kvm_net_utils.ping(ip, 10, + packetsize = size, + timeout = 20) + if strict_check: + ratio = kvm_net_utils.get_loss_ratio(output) + if ratio != 0: + raise error.TestFail(" Loss ratio is %s for packet size" + " %s" % (ratio, size)) + else: + if status != 0: + raise error.TestFail(" Ping returns non-zero value %s" % + output) + + logging.info("Flood ping test") + kvm_net_utils.ping(ip, None, flood = True, output_func= None, + timeout = flood_minutes * 60) + + logging.info("Final ping test") + status, output = kvm_net_utils.ping(ip, counts, + timeout = float(counts) * 1.5) + if strict_check: + ratio = kvm_net_utils.get_loss_ratio(output) + if ratio != 0: + raise error.TestFail("Packet loss ratio is %s after flood" + % ratio) + else: + if status != 0: + raise error.TestFail(" Ping returns non-zero value %s" % + output) + finally: + session.close() diff --git a/client/tests/kvm/tests_base.cfg.sample b/client/tests/kvm/tests_base.cfg.sample index 6710c00..4f58dc0 100644 --- a/client/tests/kvm/tests_base.cfg.sample +++ b/client/tests/kvm/tests_base.cfg.sample @@ -349,6 +349,11 @@ variants: kill_vm_gracefully_vm2 = no address_index_vm2 = 1 + - ping: install setup unattended_install.cdrom + type = ping + counts = 100 + flood_minutes = 10 + - physical_resources_check: install setup unattended_install.cdrom type = physical_resources_check catch_uuid_cmd = dmidecode | awk -F: '/UUID/ {print $2}'