Re: [LTP] [PATCH] fix "hugetlb" several tests

[Rishikesh K Rajak <risrajak@linux.vnet.ibm.com>]

On Thu, Apr 15, 2010 at 09:56:22AM +0900, Mitani wrote:
> 
> > -----Original Message-----
> > From: Garrett Cooper [mailto:yanegomi@gmail.com]
> > Sent: Wednesday, April 14, 2010 6:31 PM
> > To: Mitani
> > Cc: ltp-list@lists.sourceforge.net
> > Subject: Re: [LTP] [PATCH] fix "hugetlb" several tests
> > 
> > On Wed, Apr 14, 2010 at 1:58 AM, Mitani <mitani@ryobi.co.jp> wrote:
> > >> -----Original Message-----
> > >> From: Garrett Cooper [mailto:yanegomi@gmail.com]
> > >> Sent: Wednesday, April 14, 2010 3:18 PM
> > >> To: Mitani
> > >> Cc: Randy Dunlap; ltp-list@lists.sourceforge.net
> > >> Subject: Re: [LTP] [PATCH] fix "hugetlb" several tests
> > >>
> > >> On Tue, Apr 13, 2010 at 7:17 PM, Mitani <mitani@ryobi.co.jp> wrote:
> > >> > Hi Randy,
> > >> >
> > >> > I couldn't notice a misspelling. Sorry.
> > >> > I decided to use "due to" according to your advice.
> > >> >
> > >> > May I suggest revised patch?
> > >> >
> > > [...]
> > >> >
> > >> > Thank you--
> > >> >
> > >> > -Tomonori Mitani
> > >> >
> > >> >
> > >> >> -----Original Message-----
> > >> >> From: Randy Dunlap [mailto:rdunlap@xenotime.net]
> > >> >> Sent: Wednesday, April 14, 2010 12:04 AM
> > >> >> To: Mitani
> > >> >> Cc: ltp-list@lists.sourceforge.net
> > >> >> Subject: Re: [LTP] [PATCH] fix "hugetlb" several tests
> > >> >>
> > >> >> On 04/12/10 23:58, Mitani wrote:
> > >> >> > ------------
> > >> >> >  a) All tests:
> > >> >> > "TBROK  :  Test cannot be continued owning to sufficient
> > >> >> availability of
> > >> >> > Hugepages on the system"
> > >> >> >
> > >> >> >  b) 2), 3), 5), 6), 8), 10), 11) tests:
> > >> >> > "TWARN  :  tst_rmdir(): TESTDIR was NULL; no removal
> > attempted"
> > >> >> > ------------
> > >> >> >
> > >> >> > Both case a) and case b) are caused by the same reason.
> > >> >> >
> > >> >> > All of case a) failures occured at the following points (for
> > >> example
> > >> >> > hugemmap04):
> > >> >> > ------------<hugemmap04.c - main()>
> > >> >> >         /* Check number of hugepages */
> > >> >> >         if (get_no_of_hugepages() <= 0 || hugepages_size()
> > <=
> > >> 0)
> > >> >> >                 tst_brkm(TBROK, cleanup, "Test cannot be
> > >> continued
> > >> >> owning to
> > >> >> > \
> > >> >> >                                 sufficient availability
> > of
> > >> >> Hugepages on the
> > >> >> > system");
> > >> >> > ------------
> > >> >> >
> > >> >> > I found out that "HugePages_Total" parameter of "/proc/meminfo"
> > >> file
> > >> >> > is set to "0". This caused above TBROK failure. It is environment
> > >> >> problem.
> > >> >> >
> > >> >> > But, in this case, tests must not return with TBROK, but with
> > TCONF,
> > >> >> > I think.
> > >> >>
> > >> >> That makes sense to me.
> > >> >>
> > >> >> > And, in case b), these tests try to delete "TESTDIR" directory
> > >> by
> > >> >> > calling "tst_rmdir()" function in "cleanup()" function.
> > >> >> > But, "TESTDIR" never set if "tst_tmpdir()" function isn't
> > called.
> > >> >> > I think that case b)'s tests must not call cleanup() function.
> > >> >> >
> > >> >> >
> > >> >> > I want to suggest following patch.
> > >> >> >
> > >> >> > Signed-off-by: Tomonori Mitani <mitani@ryobi.co.jp>
> > 
> >     Sorry to ask again, but Gmail always mangles patches. Could you
> > please attach it as a file?
> > Thanks,
> > -Garrett
> 
> 
> Sorry.
> I attach a patch file.


Applied to next branch. Will wait for someone to Acked/test it before merging to 
master.

Thanks
-Rishi

> 
> 
> Signed-off-by: Tomonori Mitani <mitani@ryobi.co.jp>
> 
> 
> Regards--
> 
> -Tomonori Mitani


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-- 
Thanks & Regards
Rishi
LTP Maintainer
IBM, LTC, Bangalore
Please join IRC #ltp @ irc.freenode.net

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