Re: [dpdk-dev] [PATCH v2 2/5] test/hash: remove duplicated test code

[David Marchand <david.marchand@redhat.com>]

On Wed, Feb 5, 2020 at 9:48 AM David Marchand <david.marchand@redhat.com> wrote:
>
> On Mon, Feb 3, 2020 at 8:49 PM Honnappa Nagarahalli
> <honnappa.nagarahalli@arm.com> wrote:
> >
> > The test case target 'hash_readwrite_autotest' is covered by
> > 'hash_readwrite_func_autotest' and 'hash_readwrite_perf_autotest'.
> > Hence, it is removed along with its test code.
> >
> > Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
> > ---
> >  app/test/autotest_data.py      |  10 +++-
> >  app/test/test_hash_readwrite.c | 101 ---------------------------------
> >  2 files changed, 8 insertions(+), 103 deletions(-)
> >
> > diff --git a/app/test/autotest_data.py b/app/test/autotest_data.py
> > index 6deb97bcc..71db4b3f6 100644
> > --- a/app/test/autotest_data.py
> > +++ b/app/test/autotest_data.py
> > @@ -664,8 +664,14 @@
> >          "Report":  None,
> >      },
> >      {
> > -        "Name":    "Hash read-write concurrency autotest",
> > -        "Command": "hash_readwrite_autotest",
> > +        "Name":    "Hash read-write concurrency functional autotest",
> > +        "Command": "hash_readwrite_func_autotest",
> > +        "Func":    default_autotest,
> > +        "Report":  None,
> > +    },
> > +    {
> > +        "Name":    "Hash read-write concurrency perf autotest",
> > +        "Command": "hash_readwrite_perf_autotest",
> >          "Func":    default_autotest,
> >          "Report":  None,
> >      },
> > diff --git a/app/test/test_hash_readwrite.c b/app/test/test_hash_readwrite.c
> > index aa55db7fe..635ed5a9f 100644
> > --- a/app/test/test_hash_readwrite.c
> > +++ b/app/test/test_hash_readwrite.c
> > @@ -749,106 +749,5 @@ test_hash_rw_func_main(void)
> >         return 0;
> >  }
> >
> > -static int
> > -test_hash_readwrite_main(void)
> > -{
> > -       /*
> > -        * Variables used to choose different tests.
> > -        * use_htm indicates if hardware transactional memory should be used.
> > -        * reader_faster indicates if the reader threads should finish earlier
> > -        * than writer threads. This is to timing either reader threads or
> > -        * writer threads for performance numbers.
> > -        */
> > -       int use_htm, use_ext,  reader_faster;
> > -       unsigned int i = 0, core_id = 0;
> > -
> > -       if (rte_lcore_count() < 3) {
> > -               printf("Not enough cores for hash_readwrite_autotest, expecting at least 3\n");
> > -               return TEST_SKIPPED;
> > -       }
> > -
> > -       RTE_LCORE_FOREACH_SLAVE(core_id) {
> > -               slave_core_ids[i] = core_id;
> > -               i++;
> > -       }
> > -
> > -       setlocale(LC_NUMERIC, "");
> > -
> > -       if (rte_tm_supported()) {
> > -               printf("Hardware transactional memory (lock elision) "
> > -                       "is supported\n");
> > -
> > -               printf("Test read-write with Hardware transactional memory\n");
> > -
> > -               use_htm = 1;
> > -               use_ext = 0;
> > -
> > -               if (test_hash_readwrite_functional(use_ext, use_htm) < 0)
> > -                       return -1;
> > -
> > -               use_ext = 1;
> > -               if (test_hash_readwrite_functional(use_ext, use_htm) < 0)
> > -                       return -1;
> > -
> > -               reader_faster = 1;
> > -               if (test_hash_readwrite_perf(&htm_results, use_htm,
> > -                                                       reader_faster) < 0)
> > -                       return -1;
> > -
> > -               reader_faster = 0;
> > -               if (test_hash_readwrite_perf(&htm_results, use_htm,
> > -                                                       reader_faster) < 0)
> > -                       return -1;
> > -       } else {
> > -               printf("Hardware transactional memory (lock elision) "
> > -                       "is NOT supported\n");
> > -       }
> > -
> > -       printf("Test read-write without Hardware transactional memory\n");
> > -       use_htm = 0;
> > -       use_ext = 0;
> > -       if (test_hash_readwrite_functional(use_ext, use_htm) < 0)
> > -               return -1;
> > -
> > -       use_ext = 1;
> > -       if (test_hash_readwrite_functional(use_ext, use_htm) < 0)
> > -               return -1;
> > -
> > -       reader_faster = 1;
> > -       if (test_hash_readwrite_perf(&non_htm_results, use_htm,
> > -                                                       reader_faster) < 0)
> > -               return -1;
> > -       reader_faster = 0;
> > -       if (test_hash_readwrite_perf(&non_htm_results, use_htm,
> > -                                                       reader_faster) < 0)
> > -               return -1;
> > -
> > -       printf("================\n");
> > -       printf("Results summary:\n");
> > -       printf("================\n");
> > -
> > -       printf("single read: %u\n", htm_results.single_read);
> > -       printf("single write: %u\n", htm_results.single_write);
> > -       for (i = 0; i < NUM_TEST; i++) {
> > -               printf("+++ core_cnt: %u +++\n", core_cnt[i]);
> > -               printf("HTM:\n");
> > -               printf("  read only: %u\n", htm_results.read_only[i]);
> > -               printf("  write only: %u\n", htm_results.write_only[i]);
> > -               printf("  read-write read: %u\n", htm_results.read_write_r[i]);
> > -               printf("  read-write write: %u\n", htm_results.read_write_w[i]);
> > -
> > -               printf("non HTM:\n");
> > -               printf("  read only: %u\n", non_htm_results.read_only[i]);
> > -               printf("  write only: %u\n", non_htm_results.write_only[i]);
> > -               printf("  read-write read: %u\n",
> > -                       non_htm_results.read_write_r[i]);
> > -               printf("  read-write write: %u\n",
> > -                       non_htm_results.read_write_w[i]);
> > -       }
> > -
> > -       return 0;
> > -}
> > -
> > -REGISTER_TEST_COMMAND(hash_readwrite_autotest, test_hash_readwrite_main);
> >  REGISTER_TEST_COMMAND(hash_readwrite_func_autotest, test_hash_rw_func_main);
> >  REGISTER_TEST_COMMAND(hash_readwrite_perf_autotest, test_hash_rw_perf_main);
> > --
> > 2.17.1
> >
>
> I can see that DTS references this test:
> https://git.dpdk.org/tools/dts/tree/tests/TestSuite_unit_tests_eal.py#n164
>
> Travis (and UNH) also runs those unit tests (via the list included in meson).
>
> Is there a reason to keep those in DTS?


I will take this as a no and go ahead with this patch.


-- 
David Marchand