2010/2/8 Rishikesh <[email protected]>
> On 02/06/2010 09:04 PM, shenghui wrote:
>
> Hi all,
>
> I want to know how to run hugetlbshmget03? Does it need some
> arguments?
> For I have run it several times, always got error "NOMEM" for cannot get
> hugetlb
> page. But "cat /proc/meminfo" shows that free hugetlb pages are enough for
> its
> request.
> Does anyone know how to handle this problem?
>
> Hi Shenghui,
>
> Have you run this testcase after setting up nr_hugepages ? You need to set
> the pages accordingly and then you need to run the testcase.
>
> e.g:
>
> echo 10 > /proc/sys/vm/nr_hugepages
>
> Please post your result if you still finding issue.
>
> Thanks
> Rishi
>
>
> --
>
>
> Thanks and Best Regards,
> shenghui
>
>
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>
Hi Rishi,
Please refer to the following for my error info. And will you please
try it on your workstation and send me
your result?
Thanks!
===============================================================================
r...@crossover-laptop:/home/crossover/repository/ltp-intermediate-20100119/testcases/kernel/mem/hugetlb/hugeshmget#
ls
hugeshmget01 hugeshmget02 hugeshmget03 hugeshmget05 Makefile
hugeshmget01.c hugeshmget02.c hugeshmget03.c hugeshmget05.c
r...@crossover-laptop:/home/crossover/repository/ltp-intermediate-20100119/testcases/kernel/mem/hugetlb/hugeshmget#
echo 10 > /proc/sys/vm/nr_hugepages
r...@crossover-laptop:/home/crossover/repository/ltp-intermediate-20100119/testcases/kernel/mem/hugetlb/hugeshmget#
cat /proc/meminfo
MemTotal: 4048440 kB
MemFree: 1576656 kB
Buffers: 122652 kB
Cached: 1487772 kB
SwapCached: 0 kB
Active: 1225860 kB
Inactive: 1043268 kB
Active(anon): 684228 kB
Inactive(anon): 16 kB
Active(file): 541632 kB
Inactive(file): 1043252 kB
Unevictable: 0 kB
Mlocked: 0 kB
HighTotal: 3211696 kB
HighFree: 1044060 kB
LowTotal: 836744 kB
LowFree: 532596 kB
SwapTotal: 3903752 kB
SwapFree: 3903752 kB
Dirty: 204 kB
Writeback: 0 kB
AnonPages: 658692 kB
Mapped: 239928 kB
Slab: 109460 kB
SReclaimable: 93676 kB
SUnreclaim: 15784 kB
PageTables: 8332 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 5917732 kB
Committed_AS: 1389392 kB
VmallocTotal: 122880 kB
VmallocUsed: 44644 kB
VmallocChunk: 75956 kB
HugePages_Total: 10
HugePages_Free: 10
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 8184 kB
DirectMap2M: 903168 kB
r...@crossover-laptop:/home/crossover/repository/ltp-intermediate-20100119/testcases/kernel/mem/hugetlb/hugeshmget#
./hugeshmget03
hugeshmget03 0 TINFO : errno = 12 : Cannot allocate memory
hugeshmget03 1 TBROK : Didn't get ENOSPC in test setup
r...@crossover-laptop:/home/crossover/repository/ltp-intermediate-20100119/testcases/kernel/mem/hugetlb/hugeshmget#
echo 32 > /proc/sys/vm/nr_hugepages
r...@crossover-laptop:/home/crossover/repository/ltp-intermediate-20100119/testcases/kernel/mem/hugetlb/hugeshmget#
./hugeshmget03
hugeshmget03 0 TINFO : errno = 12 : Cannot allocate memory
hugeshmget03 1 TBROK : Didn't get ENOSPC in test setup
--
Thanks and Best Regards,
shenghui
------------------------------------------------------------------------------
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