On Fri, 27 May 2016 13:20:40 -0400
chintu hetam <rometor...@gmail.com> wrote:
> I am using 1G huge pages and as i have 2 numa node configuration, i am
> ensuring that VM memory is pinned to numazone 1( coz my bus is in numazone
> 1)
>
> [root@localhost vcr]# cat /proc/meminfo
> MemTotal: 396231416 kB
> MemFree: 272286932 kB
> MemAvailable: 284401916 kB
> Buffers: 2508 kB
> Cached: 11876580 kB
> SwapCached: 0 kB
> Active: 11108860 kB
> Inactive: 10023144 kB
> Active(anon): 9261072 kB
> Inactive(anon): 9464 kB
> Active(file): 1847788 kB
> Inactive(file): 10013680 kB
> Unevictable: 16372 kB
> Mlocked: 16372 kB
> SwapTotal: 4194300 kB
> SwapFree: 4194300 kB
> Dirty: 256 kB
> Writeback: 0 kB
> AnonPages: 9277540 kB
> Mapped: 268960 kB
> Shmem: 11248 kB
> Slab: 677860 kB
> SReclaimable: 499240 kB
> SUnreclaim: 178620 kB
> KernelStack: 16368 kB
> PageTables: 46688 kB
> NFS_Unstable: 0 kB
> Bounce: 0 kB
> WritebackTmp: 0 kB
> CommitLimit: 151978360 kB
> Committed_AS: 11918316 kB
> VmallocTotal: 34359738367 kB
> VmallocUsed: 0 kB
> VmallocChunk: 0 kB
> HardwareCorrupted: 0 kB
> AnonHugePages: 8521728 kB
> CmaTotal: 0 kB
> CmaFree: 0 kB
> HugePages_Total: 96
> HugePages_Free: 94
> HugePages_Rsvd: 0
> HugePages_Surp: 0
> [root@localhost vcr]# cat /sys/class/net/enp170s0f0/device/numa_node
> 1
> JFYI,
> [root@localhost vcr]# lscpu
> Architecture: x86_64
> CPU op-mode(s): 32-bit, 64-bit
> Byte Order: Little Endian
> CPU(s): 40
> On-line CPU(s) list: 0-39
> Thread(s) per core: 2
> Core(s) per socket: 10
> Socket(s): 2
> NUMA node(s): 2
> Vendor ID: GenuineIntel
> CPU family: 6
> Model: 62
> Model name: Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz
> Stepping: 4
> CPU MHz: 1267.109
> CPU max MHz: 3600.0000
> CPU min MHz: 1200.0000
> BogoMIPS: 5593.24
> Virtualization: VT-x
> L1d cache: 32K
> L1i cache: 32K
> L2 cache: 256K
> L3 cache: 25600K
> NUMA node0 CPU(s): 0-9,20-29
> NUMA node1 CPU(s): 10-19,30-39
> Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall
> nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl
> xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor
> ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic
> popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida arat epb
> pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms
> xsaveopt
>
> Hugepagesize: 1048576 kB
> DirectMap4k: 335552 kB
> DirectMap2M: 5875712 kB
> DirectMap1G: 398458880 kB
>
>
> On Fri, May 27, 2016 at 12:12 PM, Alex Williamson <
> alex.william...@redhat.com> wrote:
>
> > On Fri, 27 May 2016 11:57:38 -0400
> > chintu hetam <rometor...@gmail.com> wrote:
> >
> > > Hi Alex,
> > >
> > > Thank you for the quick response.
> > >
> > > i have 370+G RAM in the system
> > >
> > > [root@localhost vcr]# cat /proc/meminfo
> > > MemTotal: 396231416 kB
> > > MemFree: 272301316 kB
> >
> > The QEMU command line indicates you're using hugepages, how many
> > hugepages do you have available? It should be at least 16384 for a 32G
> > guest with 2MB pages. Try increasing or not using hugepages so
^^^^^^^^^^^^^^^^^^^^^^
> > we can attempt to isolate whether that's the problem. Thanks,
> >
> > Alex
> >
>
>
>
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