In this section:
[root@sbc1 ~]# cat /sys/fs/cgroup/cpuset/cpuset.cpus 11-12,63-64 [root@sbc1 ~]#
[root@sbc1 ~]# lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 46 bits physical, 48 bits virtual CPU(s): 104 On-line CPU(s) list: 0-103 Thread(s) per core: 2 Core(s) per socket: 26 Socket(s): 2 NUMA node(s): 2 Vendor ID: GenuineIntel CPU family: 6 Model: 85 Model name: Intel(R) Xeon(R) Gold 6230R CPU @ 2.10GHz Stepping: 7 CPU MHz: 3000.000 BogoMIPS: 4200.00 Virtualization: VT-x L1d cache: 1.6 MiB L1i cache: 1.6 MiB L2 cache: 52 MiB L3 cache: 71.5 MiB NUMA node0 CPU(s): 0-25,52-77 <-------------------------------------------- vCPUs from NUMA 0 NUMA node1 CPU(s): 26-51,78-103 <------------------------------------------ vCPUs from NUMA 1 Vulnerability Itlb multihit: KVM: Mitigation: VMX disabled Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Vulnerable Vulnerability Retbleed: Vulnerable Vulnerability Spec store bypass: Vulnerable Vulnerability Spectre v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers Vulnerability Spectre v2: Vulnerable, IBPB: disabled, STIBP: disabled, PBRSB-eIBRS: Vulnerable Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Mitigation; TSX disabled 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 art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single intel_ppin ssbd mba ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid cqm mpx rdt_a avx512f avx512dq rdseed adx smap clflushopt clwb intel_pt avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts pku ospke avx512_vnni md_clear flush_l1d arch_capabilities [root@sbc1 ~]#
[root@sbc1 ~]# cat /sys/fs/cgroup/memory/memory.numa_stat total=1036631 N0=1036631 N1=0 file=336510 N0=336510 N1=0 anon=667062 N0=667062 N1=0 unevictable=33059 N0=33059 N1=0 hierarchical_total=1036631 N0=1036631 N1=0 hierarchical_file=336510 N0=336510 N1=0 hierarchical_anon=667062 N0=667062 N1=0 hierarchical_unevictable=33059 N0=33059 N1=0 [root@sbc1 ~]# N0 - NUMA 0 N1 - NUMA 1
[root@sbc1 ~]# cat /sys/fs/cgroup/hugetlb/hugetlb.1GB.numa_stat total=3221225472 N0=3221225472 N1=0 hierarchical_total=3221225472 N0=3221225472 N1=0 [root@sbc1 ~]# N0 - NUMA 0 N1 - NUMA 1
If a single pod is launched on a node that had requested for hugepages, then the following command can also be run to get the info on the hugepage allocation.
[root@sbc1 ~]# cat /sys/devices/system/node/node*/meminfo | fgrep Huge Node 0 AnonHugePages: 395264 kB Node 0 ShmemHugePages: 0 kB Node 0 FileHugePages: 0 kB Node 0 HugePages_Total: 64 <----------- Node 0 HugePages_Free: 50 <----------- Node 0 HugePages_Surp: 0 Node 1 AnonHugePages: 55296 kB Node 1 ShmemHugePages: 0 kB Node 1 FileHugePages: 0 kB Node 1 HugePages_Total: 64 <------- Node 1 HugePages_Free: 60 <------- Node 1 HugePages_Surp: 0 [root@sbc1 ~]#