[dpdk-dev] [PATCH v2 2/2] ci: add test suite run without hugepage

Ruifeng Wang Ruifeng.Wang at arm.com
Sat Mar 7 15:36:17 CET 2020


> -----Original Message-----
> From: Aaron Conole <aconole at redhat.com>
> Sent: Friday, March 6, 2020 23:57
> To: Ruifeng Wang <Ruifeng.Wang at arm.com>
> Cc: maicolgabriel at hotmail.com; bruce.richardson at intel.com; dev at dpdk.org;
> david.marchand at redhat.com; Gavin Hu <Gavin.Hu at arm.com>; Honnappa
> Nagarahalli <Honnappa.Nagarahalli at arm.com>; juraj.linkes at pantheon.tech;
> nd <nd at arm.com>
> Subject: Re: [PATCH v2 2/2] ci: add test suite run without hugepage
> 
> Ruifeng Wang <Ruifeng.Wang at arm.com> writes:
> 
> >> -----Original Message-----
> >> From: Aaron Conole <aconole at redhat.com>
> >> Sent: Thursday, March 5, 2020 22:37
> >> To: Ruifeng Wang <Ruifeng.Wang at arm.com>
> >> Cc: maicolgabriel at hotmail.com; bruce.richardson at intel.com;
> >> dev at dpdk.org; david.marchand at redhat.com; Gavin Hu
> <Gavin.Hu at arm.com>;
> >> Honnappa Nagarahalli <Honnappa.Nagarahalli at arm.com>;
> >> juraj.linkes at pantheon.tech; nd <nd at arm.com>
> >> Subject: Re: [PATCH v2 2/2] ci: add test suite run without hugepage
> >>
> >> Ruifeng Wang <Ruifeng.Wang at arm.com> writes:
> >>
> >> >> -----Original Message-----
> >> >> From: Aaron Conole <aconole at redhat.com>
> >> >> Sent: Thursday, March 5, 2020 01:31
> >> >> To: Ruifeng Wang <Ruifeng.Wang at arm.com>
> >> >> Cc: maicolgabriel at hotmail.com; bruce.richardson at intel.com;
> >> >> dev at dpdk.org; david.marchand at redhat.com; Gavin Hu
> >> <Gavin.Hu at arm.com>;
> >> >> Honnappa Nagarahalli <Honnappa.Nagarahalli at arm.com>;
> >> >> juraj.linkes at pantheon.tech; nd <nd at arm.com>
> >> >> Subject: Re: [PATCH v2 2/2] ci: add test suite run without
> >> >> hugepage
> >> >>
> >> >> Ruifeng Wang <ruifeng.wang at arm.com> writes:
> >> >>
> >> >> > This test suite is derived from fast-tests suite. Cases in this
> >> >> > suite are run with '--no-huge' flag.
> >> >> >
> >> >> > The suite aims to cover as many as possible test cases out of
> >> >> > the fast-tests suites in the environments without huge pages
> >> >> > support, like containers.
> >> >> >
> >> >> > Signed-off-by: Ruifeng Wang <ruifeng.wang at arm.com>
> >> >> > Reviewed-by: Gavin Hu <gavin.hu at arm.com>
> >> >> > ---
> >> >>
> >> >> I like this much more.  Few comments.
> >> >>
> >> >> >  .travis.yml          | 10 +++++--
> >> >> >  app/test/meson.build | 71
> >> >> >  ++++++++++++++++++++++++++++++++++++++++++++
> >> >>
> >> >> You should update doc/guides/prog_guide/meson_ut.rst to include
> >> >> some detail about the new tests suite.
> >> >>
> >> > Thanks. Will update document in next version.
> >> >
> >> >> >  2 files changed, 79 insertions(+), 2 deletions(-)
> >> >> >
> >> >> > diff --git a/.travis.yml b/.travis.yml index
> >> >> > b64a81bd0..eed1d96db
> >> >> > 100644
> >> >> > --- a/.travis.yml
> >> >> > +++ b/.travis.yml
> >> >> > @@ -40,7 +40,7 @@ jobs:
> >> >> >    - env: DEF_LIB="static"
> >> >> >      arch: amd64
> >> >> >      compiler: gcc
> >> >> > -  - env: DEF_LIB="shared" RUN_TESTS=1
> >> >> > +  - env: DEF_LIB="shared" RUN_TESTS=1 TEST_SUITES="fast-tests
> >> >> nohuge-tests"
> >> >> >      arch: amd64
> >> >> >      compiler: gcc
> >> >> >    - env: DEF_LIB="shared" BUILD_DOCS=1 @@ -63,7 +63,7 @@ jobs:
> >> >> >    - env: DEF_LIB="static"
> >> >> >      arch: amd64
> >> >> >      compiler: clang
> >> >> > -  - env: DEF_LIB="shared" RUN_TESTS=1
> >> >> > +  - env: DEF_LIB="shared" RUN_TESTS=1 TEST_SUITES="fast-tests
> >> >> nohuge-tests"
> >> >> >      arch: amd64
> >> >> >      compiler: clang
> >> >> >    - env: DEF_LIB="shared" BUILD_DOCS=1 @@ -101,6 +101,9 @@
> jobs:
> >> >> >    - env: DEF_LIB="static"
> >> >> >      arch: arm64
> >> >> >      compiler: gcc
> >> >> > +  - env: DEF_LIB="shared" RUN_TESTS=1 TEST_SUITES="nohuge-
> tests"
> >> >> > +    arch: arm64
> >> >> > +    compiler: gcc
> >> >> >    - env: DEF_LIB="shared" BUILD_DOCS=1
> >> >> >      arch: arm64
> >> >> >      compiler: gcc
> >> >> > @@ -124,3 +127,6 @@ jobs:
> >> >> >    - env: DEF_LIB="shared"
> >> >> >      arch: arm64
> >> >> >      compiler: clang
> >> >> > +  - env: DEF_LIB="shared" RUN_TESTS=1 TEST_SUITES="nohuge-
> tests"
> >> >> > +    arch: arm64
> >> >> > +    compiler: clang
> >> >> > diff --git a/app/test/meson.build b/app/test/meson.build index
> >> >> > 0a2ce710f..162a1a76f 100644
> >> >> > --- a/app/test/meson.build
> >> >> > +++ b/app/test/meson.build
> >> >> > @@ -237,6 +237,60 @@ fast_test_names = [
> >> >> >          'thash_autotest',
> >> >> >  ]
> >> >>
> >> >> Shouldn't we also trim the list of fast-tests?  Otherwise, these
> >> >> tests will run twice.
> >> >>
> >> > I think you mean to have exclusive lists for fast-tests and nohuge-tests.
> >>
> >> That's what I was thinking.
> >>
> >> > Overlapped cases will run twice if both test suites are opted in.
> >> > But the two runs are not the same, one runs with hugepage and the
> >> > other runs in no-huge mode.
> >>
> >> Is it really so different between huge and no-huge?  Most of the
> >> libraries won't care - they call the rte_**alloc functions, and it
> >> returns blocks of memory.  Maybe I am simplifying it too much.
> >>
> >> > If fast-tests list is splited,  we will need to always run multiple
> >> > suites to cover all fast tests.
> >> > We can keep x86 to run only fast-tests suite to avoid extra test
> >> > runs if they are not necessary. Thoughts?
> >>
> >> I guess since most DPDK usage will be with hugepages, we should
> >> prefer to test with it.  I don't care too much about the color of
> >> this particular shed.  If you want to do it that way, it's okay by me
> >> - it gives us the coverage, and doesn't duplicate tests between those
> environments.
> >>
> >> BUT it means when we add a new test to the suite, we need to
> remember
> >> to add it in two places - fast_test and nohuge_test.  That almost
> >> guarantees we will miss tests (because we accidentally don't add it
> >> to nohuge).  Maybe there's another way, like keep a list of all the
> >> tests and some information on whether the test needs hugepages to
> >> run.  Then if there are no hugepages available, we can write that we SKIP
> the tests that don't support huge pages.
> >> In that way, we don't need two different lists - and if there are
> >> hugepages, we will run all the test cases.
> >> WDYT?
> >>
> > Yes. Agree with you that having duplicate tests in suites is error prone.
> 
> Cool!
> 
> > IIUC, cases in a suite is determined at build time, as well as command
> options to run cases.
> > This implies hugepage availability needs to be detected at build time
> > if we want to run only suitable cases in suite in an environment. It could be
> something we don't want.
> >
> > I'll trim fast-tests in next version to remove duplicated cases.
> 
> I think it might be better to make the array something like (just a psuedo-
> code example):
> 
>    # psuedo-code to check for hugepages
>    has_hugepages = check_for_hugepages()
> 
>    ...
> 
>    fast_test_names = [
>      ['acl_autotest', true],
>      ['alarm_autotest', true],
>      ['atomic_autotest', true],
>      ...
> 
> Then in the code:
> 
>    foreach arg : fast_test_names
>       ....
>       if not arg[1]
>          test(arg[0], ...)
>       if has_hugepages and arg[1]
>          test(arg[0], )
> 
> Does it make sense?  Do you see a problem?
> 
Yes, this will keep tests in a single suite.

Actually, I thought about this approach, but had no idea on check_for_hugepages().
Value of "/proc/sys/vm/nr_hugepages" may be not reliable. Hugepage could be allocated at run time after project building.
I can try hugepage allocating to detect, but it looks inelegant.
Any suggestions?

Thank you.
/Ruifeng
> > Thank you.
> >
> >> >> ex: https://travis-ci.com/ovsrobot/dpdk/jobs/292037684
> >> >>
> >> >> > +nohuge_test_names = [
> >> >> > +        'byteorder_autotest',
> >> >> > +        'cmdline_autotest',
> >> >> > +        'common_autotest',
> >> >> > +        'cpuflags_autotest',
> >> >> > +        'cycles_autotest',
> >> >> > +        'debug_autotest',
> >> >> > +        'eal_flags_n_opt_autotest',
> >> >> > +        'eal_flags_no_huge_autotest',
> >> >> > +        'eal_flags_vdev_opt_autotest',
> >> >> > +        'eal_fs_autotest',
> >> >> > +        'errno_autotest',
> >> >> > +        'event_ring_autotest',
> >> >> > +        'fib_autotest',
> >> >> > +        'fib6_autotest',
> >> >> > +        'interrupt_autotest',
> >> >> > +        'logs_autotest',
> >> >> > +        'lpm_autotest',
> >> >> > +        'lpm6_autotest',
> >> >> > +        'memcpy_autotest',
> >> >> > +        'meter_autotest',
> >> >> > +        'per_lcore_autotest',
> >> >> > +        'prefetch_autotest',
> >> >> > +        'rcu_qsbr_autotest',
> >> >> > +        'red_autotest',
> >> >> > +        'rib_autotest',
> >> >> > +        'rib6_autotest',
> >> >> > +        'ring_autotest',
> >> >> > +        'rwlock_rda_autotest',
> >> >> > +        'rwlock_rds_wrm_autotest',
> >> >> > +        'rwlock_rde_wro_autotest',
> >> >> > +        'sched_autotest',
> >> >> > +        'spinlock_autotest',
> >> >> > +        'string_autotest',
> >> >> > +        'tailq_autotest',
> >> >> > +        'user_delay_us',
> >> >> > +        'version_autotest',
> >> >> > +        'crc_autotest',
> >> >> > +        'delay_us_sleep_autotest',
> >> >> > +        'eventdev_common_autotest',
> >> >> > +        'fbarray_autotest',
> >> >> > +        'ipsec_autotest',
> >> >> > +        'kni_autotest',
> >> >> > +        'kvargs_autotest',
> >> >> > +        'member_autotest',
> >> >> > +        'metrics_autotest',
> >> >> > +        'power_cpufreq_autotest',
> >> >> > +        'power_autotest',
> >> >> > +        'power_kvm_vm_autotest',
> >> >> > +        'reorder_autotest',
> >> >> > +        'service_autotest',
> >> >> > +        'thash_autotest',
> >> >> > +]
> >> >> > +
> >> >> >  perf_test_names = [
> >> >> >          'ring_perf_autotest',
> >> >> >          'mempool_perf_autotest', @@ -341,6 +395,10 @@ if
> >> >> > dpdk_conf.has('RTE_LIBRTE_RING_PMD')
> >> >> >  	fast_test_names += 'latencystats_autotest'
> >> >> >  	driver_test_names += 'link_bonding_mode4_autotest'
> >> >> >  	fast_test_names += 'pdump_autotest'
> >> >> > +	nohuge_test_names += 'ring_pmd_autotest'
> >> >> > +	nohuge_test_names += 'bitratestats_autotest'
> >> >> > +	nohuge_test_names += 'latencystats_autotest'
> >> >> > +	nohuge_test_names += 'pdump_autotest'
> >> >> >  endif
> >> >> >
> >> >> >  if dpdk_conf.has('RTE_LIBRTE_POWER') @@ -430,6 +488,19 @@
> >> foreach
> >> >> > arg : fast_test_names
> >> >> >  	endif
> >> >> >  endforeach
> >> >> >
> >> >> > +foreach arg : nohuge_test_names
> >> >> > +	if host_machine.system() == 'linux'
> >> >> > +		test(arg, dpdk_test,
> >> >> > +			  env : ['DPDK_TEST=' + arg],
> >> >> > +			  args : test_args +
> >> >> > +				 ['--no-huge'] + ['-m 1024'] +
> >> >> > +				 ['--file-prefix=@0@'.format(arg)],
> >> >> > +		timeout : timeout_seconds_fast,
> >> >> > +		is_parallel : false,
> >> >> > +		suite : 'nohuge-tests')
> >> >> > +	endif
> >> >> > +endforeach
> >> >> > +
> >> >> >  foreach arg : perf_test_names
> >> >> >  	test(arg, dpdk_test,
> >> >> >  	env : ['DPDK_TEST=' + arg],



More information about the dev mailing list