Re: Bug in Test code

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hi Tzvetomir,
Its worked
--sameer.

On Mon, Apr 12, 2021 at 10:02 AM Tzvetomir Stoyanov
<tz.stoyanov@xxxxxxxxx> wrote:
>
> Hi Sameer,
>
> On Mon, Apr 12, 2021 at 4:05 AM sameeruddin shaik
> <sameeruddin.shaik8@xxxxxxxxx> wrote:
> >
> >
> > On 11/04/21 7:53 am, Steven Rostedt wrote:
> > > On Mon, 12 Apr 2021 06:43:44 +0530
> > > sameeruddin shaik <sameeruddin.shaik8@xxxxxxxxx> wrote:
> > >
> > >> hi,
> > >>
> > >> Test: tracing options ...FAILED
> > >>       1. tracefs-utest.c:746  - check_options_mask_empty(all)
> > >>       2. tracefs-utest.c:747  - check_options_mask_empty(enabled)
> > >>     Test: custom system directory ...FAILED
> > >>       1. tracefs-utest.c:746  - check_options_mask_empty(all)
> > >>       2. tracefs-utest.c:747  - check_options_mask_empty(enabled)
> > >>     Test: ftrace marker ...trace-utest: ../nptl/pthread_mutex_lock.c:81:
> > >> __pthread_mutex_lock: Assertion `mutex->__data.__owner == 0' failed.
> > >> Aborted (core dumped)
> > >>
> > >>
> > >> Above tests are failing for me, what about you guys?
> > >>
> > >> Do i have to give any command line options when running the test ?
> > >>
> > >> I ran test like below
> > >>
> > >> -----------------------
> > >>
> > >> #./trace-utest
> > >>
> > >> -----------------------
> > >>
> > > Hi Sameer,
> > >
> > > Thanks for the report. Yes, it is a bug in the tests. We did a last
> > > minute change to have the options bitmask be stored in the instance and
> > > it is immutable, but did not update the tests. The below patch should
> > > fix it for you. Let us know if it does.
> > >
> > > Thanks!
> > >
> > > -- Steve
> > >
> > > diff --git a/utest/tracefs-utest.c b/utest/tracefs-utest.c
> > > index 1f48e6f..3407202 100644
> > > --- a/utest/tracefs-utest.c
> > > +++ b/utest/tracefs-utest.c
> > > @@ -679,7 +679,7 @@ out:
> > >       return ret;
> > >   }
> > >
> > > -static bool check_options_mask_empty(struct tracefs_options_mask *mask)
> > > +static bool check_options_mask_empty(const struct tracefs_options_mask *mask)
> > >   {
> > >       int i;
> > >
> > > @@ -692,8 +692,9 @@ static bool check_options_mask_empty(struct tracefs_options_mask *mask)
> > >
> > >   static void test_instance_tracing_options(struct tracefs_instance *instance)
> > >   {
> > > -     struct tracefs_options_mask *enabled;
> > > -     struct tracefs_options_mask *all, *all_copy;
> > > +     const struct tracefs_options_mask *enabled;
> > > +     const struct tracefs_options_mask *all_copy;
> > > +     const struct tracefs_options_mask *all;
> > >       enum tracefs_option_id i = 1;
> > >       char file[PATH_MAX];
> > >       const char *name;
> > > @@ -745,9 +746,6 @@ static void test_instance_tracing_options(struct tracefs_instance *instance)
> > >       }
> > >       CU_TEST(check_options_mask_empty(all));
> > >       CU_TEST(check_options_mask_empty(enabled));
> > > -
> > > -     free(all);
> > > -     free(enabled);
> > >   }
> > >
> > >   static void test_tracing_options(void)
> >
> > No steve it didn't resolved the issue,
>
> Thanks for running the unit tests and testing the latest release.
> Indeed, there is a bug in that code that leads to a memory corruption.
> And we neglected the unit tests, did not align with the latest changes
> in the APIs.
> Please, check if the patch set that I just sent fixes this in your
> environment: "[PATCH 0/3] Fix unit tests and APIs for loading saved
> mappings".
>
>
> [ ... ]
>
> --
> Tzvetomir (Ceco) Stoyanov
> VMware Open Source Technology Center



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