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 > -- -chintu-
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