Hi Ian, Thank you for your comments. See my comments inline below.
> -----Original Message----- > From: Stokes, Ian > Sent: Wednesday, January 31, 2018 11:40 AM > To: Rybka, MarcinX <marcinx.ry...@intel.com>; d...@openvswitch.org > Cc: Rybka, MarcinX <marcinx.ry...@intel.com> > Subject: RE: [ovs-dev] [PATCH v2] tests: Add system-dpdk-testsuite > > > -----Original Message----- > > From: ovs-dev-boun...@openvswitch.org [mailto:ovs-dev- > > boun...@openvswitch.org] On Behalf Of Marcin Rybka > > Sent: Tuesday, January 2, 2018 2:36 PM > > To: d...@openvswitch.org > > Cc: Rybka, MarcinX <marcinx.ry...@intel.com> > > Subject: [ovs-dev] [PATCH v2] tests: Add system-dpdk-testsuite > > > > New OVS-DPDK testsuite, which can be launched via `make check-dpdk`, > > tests OVS using a DPDK datapath. The testsuite contains already initial > tests: > > 1. EAL init > > 2. Add standard DPDK PHY port > > 3. Add vhost-user-client port > > > > Signed-off-by: Marcin Rybka <marcinx.ry...@intel.com> > > --- > > Documentation/topics/testing.rst | 19 ++++++++++++ > > tests/automake.mk | 17 +++++++++++ > > tests/system-dpdk-macros.at | 54 > +++++++++++++++++++++++++++++++++ > > tests/system-dpdk-testsuite.at | 25 ++++++++++++++++ > > tests/system-dpdk.at | 65 > > ++++++++++++++++++++++++++++++++++++++++ > > 5 files changed, 180 insertions(+) > > create mode 100644 tests/system-dpdk-macros.at create mode 100644 > > tests/system-dpdk-testsuite.at create mode 100644 > > tests/system-dpdk.at > > > > diff --git a/Documentation/topics/testing.rst > > b/Documentation/topics/testing.rst > > index a49336b..74e0d3f 100644 > > --- a/Documentation/topics/testing.rst > > +++ b/Documentation/topics/testing.rst > > @@ -297,6 +297,25 @@ To invoke the datapath testsuite with the > > userspace datapath, run:: > > > > The results of the testsuite are in ``tests/system-userspace- > > testsuite.dir``. > > > > +DPDK datapath > > +''''''''''''' > > + > > +To test :doc:`/intro/install/dpdk` (i.e., the build was configured > > +with ``--with-dpdk``,the ``DPDK`` is installed), run the testsuite > > +and generate a report by using the ``check-dpdk`` target:: > > + > > + $ make check-dpdk > > + > > +To see a list of all the available tests, run:: > > + > > + $ make check-dpdk TESTSUITEFLAGS=--list > > + > > +These tests require a `DPDK supported NIC`_ and proper DPDK variables > > +(``DPDK_DIR`` and ``DPDK_BUILD``). Moreover you need to load the > > +required modules and bind the NIC to the DPDK-compatible driver. > > + > > +.. _DPDK supported NIC: http://dpdk.org/doc/nics > > + > > Hi Marcin, > > Thanks for working on this, a few comments inline below. > > These tests will require elevated privileges (root or sudo) on systems to be > run, otherwise they will fail as memory will not be allocated etc. by > ovs-dpdk. > > I'd like to see this called out explicitly in the documentation along with a > short > explanation (it's obvious to those familiar with DPDK but we must assume a > user may not be, also existing ovs unit test can be run without these > privileges so someone might work from that assumption). Such information is covered in a parent paragraphs (one level above and two levels above). However, I will add such information to the documentation explicitly. > > In testing I also see the following error although it does not stop the test > from running. > > set /bin/sh './tests/system-dpdk-testsuite' -C tests > AUTOTEST_PATH='utilities:vswitchd:ovsdb:vtep:tests::ovn/controller- > vtep:ovn/northd:ovn/utilities:ovn/controller' -j1; \ "$@" || (test X'' = Xyes > && "$@" --recheck) Traceback (most recent call last): > File "<string>", line 3, in <module> > File "/usr/lib64/python2.7/socket.py", line 228, in meth > return getattr(self._sock,name)(*args) > socket.error: [Errno 99] Cannot assign requested address > I also see such error when running any other unit tests of OVS. So it's not related with my changes. > > Kernel datapath > > ''''''''''''''' > > > > diff --git a/tests/automake.mk b/tests/automake.mk index > > 8157641..7be5712 > > 100644 > > --- a/tests/automake.mk > > +++ b/tests/automake.mk > > @@ -5,10 +5,12 @@ EXTRA_DIST += \ > > $(SYSTEM_KMOD_TESTSUITE_AT) \ > > $(SYSTEM_USERSPACE_TESTSUITE_AT) \ > > $(SYSTEM_OFFLOADS_TESTSUITE_AT) \ > > + $(SYSTEM_DPDK_TESTSUITE_AT) \ > > $(TESTSUITE) \ > > $(SYSTEM_KMOD_TESTSUITE) \ > > $(SYSTEM_USERSPACE_TESTSUITE) \ > > $(SYSTEM_OFFLOADS_TESTSUITE) \ > > + $(SYSTEM_DPDK_TESTSUITE) \ > > tests/atlocal.in \ > > $(srcdir)/package.m4 \ > > $(srcdir)/tests/testsuite \ > > @@ -126,6 +128,12 @@ SYSTEM_OFFLOADS_TESTSUITE_AT = \ > > tests/system-offloads-traffic.at \ > > tests/system-offloads-testsuite.at > > > > +SYSTEM_DPDK_TESTSUITE_AT = \ > > + tests/system-common-macros.at \ > > + tests/system-dpdk-macros.at \ > > + tests/system-dpdk-testsuite.at \ > > + tests/system-dpdk.at > > + > > check_SCRIPTS += tests/atlocal > > > > TESTSUITE = $(srcdir)/tests/testsuite @@ -133,6 +141,7 @@ > > TESTSUITE_PATCH = $(srcdir)/tests/testsuite.patch > > SYSTEM_KMOD_TESTSUITE = $(srcdir)/tests/system-kmod-testsuite > > SYSTEM_USERSPACE_TESTSUITE = > > $(srcdir)/tests/system-userspace-testsuite > > SYSTEM_OFFLOADS_TESTSUITE = $(srcdir)/tests/system-offloads-testsuite > > +SYSTEM_DPDK_TESTSUITE = $(srcdir)/tests/system-dpdk-testsuite > > DISTCLEANFILES += tests/atconfig tests/atlocal > > > > AUTOTEST_PATH = > > utilities:vswitchd:ovsdb:vtep:tests:$(PTHREAD_WIN32_DIR_DLL):ovn/contr > > olle r-vtep:ovn/northd:ovn/utilities:ovn/controller > > @@ -256,6 +265,10 @@ check-offloads: all > > set $(SHELL) '$(SYSTEM_OFFLOADS_TESTSUITE)' -C tests > > AUTOTEST_PATH='$(AUTOTEST_PATH)' $(TESTSUITEFLAGS) -j1; \ > > "$$@" || (test X'$(RECHECK)' = Xyes && "$$@" --recheck) > > > > +check-dpdk: all > > + set $(SHELL) '$(SYSTEM_DPDK_TESTSUITE)' -C tests > > AUTOTEST_PATH='$(AUTOTEST_PATH)' $(TESTSUITEFLAGS) -j1; \ > > + "$$@" || (test X'$(RECHECK)' = Xyes && "$$@" --recheck) > > + > > clean-local: > > test ! -f '$(TESTSUITE)' || $(SHELL) '$(TESTSUITE)' -C tests --clean > > > > @@ -284,6 +297,10 @@ $(SYSTEM_OFFLOADS_TESTSUITE): package.m4 > > $(SYSTEM_TESTSUITE_AT) $(SYSTEM_OFFLOAD > > $(AM_V_GEN)$(AUTOTEST) -I '$(srcdir)' -o $@.tmp $@.at > > $(AM_V_at)mv $@.tmp $@ > > > > +$(SYSTEM_DPDK_TESTSUITE): package.m4 $(SYSTEM_TESTSUITE_AT) > > $(SYSTEM_DPDK_TESTSUITE_AT) $(COMMON_MACROS_AT) > > + $(AM_V_GEN)$(AUTOTEST) -I '$(srcdir)' -o $@.tmp $@.at > > + $(AM_V_at)mv $@.tmp $@ > > + > > # The `:;' works around a Bash 3.2 bug when the output is not writeable. > > $(srcdir)/package.m4: $(top_srcdir)/configure.ac > > $(AM_V_GEN):;{ \ > > diff --git a/tests/system-dpdk-macros.at b/tests/system-dpdk-macros.at > > new file mode 100644 index 0000000..cbd0f69 > > --- /dev/null > > +++ b/tests/system-dpdk-macros.at > > @@ -0,0 +1,54 @@ > > +# OVS_DPDK_PRE_CHECK() > > +# > > +# Check prerequisites for DPDK tests. Following settings are checked: > > +# - Hugepages > > +# - UIO driver > > +# > > +m4_define([OVS_DPDK_PRE_CHECK], > > + [dnl Check Hugepages > > + AT_CHECK([cat /proc/meminfo], [], [stdout]) > > + AT_CHECK([grep HugePages_ stdout], [], [stdout]) > > + AT_CHECK([mount], [], [stdout]) > > + AT_CHECK([grep 'hugetlbfs' stdout], [], [stdout], []) > > + > > + dnl Check if VFIO or UIO driver is loaded > > + AT_CHECK([lsmod | grep -E "igb_uio|vfio"], [], [stdout]) > > + > > + dnl Find PCI address candidate, skip if there is no > > + DPDK-compatible > > NIC > > + AT_CHECK([$DPDK_DIR/usertools/dpdk-devbind.py -s | head -n +4 | > > + tail - > > 1], [], [stdout]) > > + AT_CHECK([cat stdout | cut -d" " -s -f1 > PCI_ADDR]) > > + AT_CHECK([test -s PCI_ADDR || exit 77]) > > +]) > > + > > + > > +# OVS_DPDK_START() > > +# > > +# Create an empty database and start ovsdb-server. Add special > > +configuration # dpdk-init to enable DPDK functionality. Start > > +ovs-vswitchd connected to that # database using system devices (no > > dummies). > > +# > > +m4_define([OVS_DPDK_START], > > + [dnl Create database. > > + AT_CHECK([touch .conf.db.~lock~]) > > + AT_CHECK([ovsdb-tool create conf.db > > +$abs_top_srcdir/vswitchd/vswitch.ovsschema]) > > + > > + dnl Start ovsdb-server. > > + AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --log-file -- > > remote=punix:$OVS_RUNDIR/db.sock], [0], [stdout], [stderr]) > > + on_exit "kill `cat ovsdb-server.pid`" > > + AT_CHECK([[sed < stderr ' > > +/vlog|INFO|opened log file/d > > +/ovsdb_server|INFO|ovsdb-server (Open vSwitch)/d']]) > > + AT_CAPTURE_FILE([ovsdb-server.log]) > > + > > + dnl Initialize database. > > + AT_CHECK([ovs-vsctl --no-wait init]) > > + > > + dnl Enable DPDK functionality > > + AT_CHECK([ovs-vsctl --no-wait set Open_vSwitch . > > + other_config:dpdk- > > init=true]) > > + AT_CHECK([ovs-vsctl --no-wait set Open_vSwitch . > > + other_config:dpdk-socket-mem="1024,1024"]) > > Have you tested above on a single socket system? I guess the requirements > assumes a dual socket server because a pci device may be attached to either > socket but would this fail if there was only 1 socket? > > Thanks > Ian You're right. I will set it to the default value and send an updated patch. > > > + > > + dnl Start ovs-vswitchd. > > + AT_CHECK([ovs-vswitchd --detach --no-chdir --pidfile --log-file - > > vvconn -vofproto_dpif -vunixctl], [0], [stdout], [stderr]) > > + AT_CAPTURE_FILE([ovs-vswitchd.log]) > > + on_exit "kill_ovs_vswitchd `cat ovs-vswitchd.pid`" > > +]) > > diff --git a/tests/system-dpdk-testsuite.at b/tests/system-dpdk- > > testsuite.at new file mode 100644 index 0000000..382f09e > > --- /dev/null > > +++ b/tests/system-dpdk-testsuite.at > > @@ -0,0 +1,25 @@ > > +AT_INIT > > + > > +AT_COPYRIGHT([Copyright (c) 2017 Intel Corporation > > + > > +Licensed under the Apache License, Version 2.0 (the "License"); you > > +may not use this file except in compliance with the License. > > +You may obtain a copy of the License at: > > + > > + http://www.apache.org/licenses/LICENSE-2.0 > > + > > +Unless required by applicable law or agreed to in writing, software > > +distributed under the License is distributed on an "AS IS" BASIS, > > +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or > implied. > > +See the License for the specific language governing permissions and > > +limitations under the License.]) > > + > > +m4_ifdef([AT_COLOR_TESTS], [AT_COLOR_TESTS]) > > + > > +m4_include([tests/ovs-macros.at]) > > +m4_include([tests/ovsdb-macros.at]) > > +m4_include([tests/ofproto-macros.at]) > > +m4_include([tests/system-common-macros.at]) > > +m4_include([tests/system-dpdk-macros.at]) > > + > > +m4_include([tests/system-dpdk.at]) > > diff --git a/tests/system-dpdk.at b/tests/system-dpdk.at new file mode > > 100644 index 0000000..f6041e4 > > --- /dev/null > > +++ b/tests/system-dpdk.at > > @@ -0,0 +1,65 @@ > > +AT_BANNER([OVS-DPDK unit tests]) > > + > > +dnl > > +--------------------------------------------------------------------- > > +-- > > +--- > > +dnl Check if EAL init is successfull > > +AT_SETUP([OVS-DPDK datapath - EAL init]) > > +AT_KEYWORDS([dpdk]) > > +dnl OVS_DPDK_PRE_CHECK() > > +OVS_DPDK_START() > > +AT_CHECK([grep "DPDK Enabled - initializing..." ovs-vswitchd.log], > > +[], > > +[stdout]) AT_CHECK([grep "EAL" ovs-vswitchd.log], [], [stdout]) > > +AT_CHECK([grep "DPDK Enabled - initialized" ovs-vswitchd.log], [], > > +[stdout]) > > +OVS_VSWITCHD_STOP() > > +AT_CLEANUP > > +dnl > > +--------------------------------------------------------------------- > > +-- > > +--- > > + > > + > > + > > +dnl > > +--------------------------------------------------------------------- > > +-- > > +--- > > +dnl Add standard DPDK PHY port > > +AT_SETUP([OVS-DPDK datapath - add standard DPDK port]) > > +AT_KEYWORDS([dpdk]) > > + > > +OVS_DPDK_PRE_CHECK() > > +OVS_DPDK_START() > > + > > +dnl Add userspace bridge and attach it to OVS AT_CHECK([ovs-vsctl > > +add-br br10 -- set bridge br10 datapath_type=netdev]) > > +AT_CHECK([ovs-vsctl add-port br10 phy0 -- set Interface phy0 > > +type=dpdk options:dpdk-devargs=$(cat PCI_ADDR)], [], [stdout], > > +[stderr]) AT_CHECK([ovs-vsctl show], [], [stdout]) sleep 2 > > + > > +dnl Clean up > > +AT_CHECK([ovs-vsctl del-port br10 phy0], [], [stdout], [stderr]) > > +OVS_VSWITCHD_STOP("/does not exist. The Open vSwitch kernel > module is > > +probably not loaded./d /Failed to enable flow control/d") AT_CLEANUP > > +dnl > > +--------------------------------------------------------------------- > > +-- > > +--- > > + > > + > > + > > +dnl > > +--------------------------------------------------------------------- > > +-- > > +--- > > +dnl Add vhost-user-client port > > +AT_SETUP([OVS-DPDK datapath - add vhost-user-client port]) > > +AT_KEYWORDS([dpdk]) > > + > > +OVS_DPDK_START() > > + > > +dnl Add userspace bridge and attach it to OVS AT_CHECK([ovs-vsctl > > +add-br br10 -- set bridge br10 datapath_type=netdev]) > > +AT_CHECK([ovs-vsctl add-port br10 dpdkvhostuserclient0 -- set > > +Interface > > +dpdkvhostuserclient0 type=dpdkvhostuserclient > > +options:vhost-server-path=/tmp/dpdkvhostclient0], [], [stdout], > > +[stderr]) AT_CHECK([ovs-vsctl show], [], [stdout]) sleep 2 > > + > > +dnl Parse log file > > +AT_CHECK([grep "VHOST_CONFIG: vhost-user client: socket created" > > +ovs-vswitchd.log], [], [stdout]) AT_CHECK([grep "vHost User device > > +'dpdkvhostuserclient0' created in 'client' mode, using client socket" > > +ovs-vswitchd.log], [], [stdout]) AT_CHECK([grep "VHOST_CONFIG: > > +/tmp/dpdkvhostclient0: reconnecting..." ovs-vswitchd.log], [], > > +[stdout]) > > + > > +dnl Clean up > > +AT_CHECK([ovs-vsctl del-port br10 dpdkvhostuserclient0], [], > > +[stdout], > > +[stderr]) OVS_VSWITCHD_STOP("/does not exist. The Open vSwitch > kernel > > +module is probably not loaded./d /Failed to enable flow control/d > > +/failed to connect to \/tmp\/dpdkvhostclient0: No such file or > > +directory/d") AT_CLEANUP dnl > > +--------------------------------------------------------------------- > > +-- > > +--- > > -- > > 1.9.3 > > > > _______________________________________________ > > dev mailing list > > d...@openvswitch.org > > https://mail.openvswitch.org/mailman/listinfo/ovs-dev _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev