When a node runs many CPU-bound pods, the workload can move to different CPU cores depending on whether the pod is throttled and which CPU cores are available at scheduli
$ man 3 numa_node_size NAMEnuma - NUMA policy library SYNOPSIS#include <numa.h> cc ... -lnuma int numa_available(void); int numa_max_possible_node(void); int numa_num_possible_nodes(); int numa_max_node(void); int numa_num_configured_nodes(); struct bitmask *numa_...
NumaNode 类型公开以下成员。 属性 展开表 名称说明 AffinityMask Gets or sets the affinity type for the NUMA node represented by this NumaNode object. Cpus Gets a collection of Cpu objects that belong to this NumaNode object. GroupID Gets the GroupID that is assigned to this NUMA node. ID...
available:4nodes(0-3)node 0 cpus:0123456789101112131415node 0 size:64794MBnode 0 free:55404MBnode 1 cpus:16171819202122232425262728293031node 1 size:65404MBnode 1 free:58642MBnode 2 cpus:32333435363738394041424344454647node 2 size:65404MBnode 2 free:61181MBnode 3 cpus:48495051525354555657585960616263node...
("NUMA is not available\n");return1;}// Get the number of NUMA nodesintnumNodes=numa_max_node()+1;printf("Number of NUMA nodes: %d\n",numNodes);// Allocate memory on NUMA node 0void*mem=numa_alloc_local(1024*1024);// 1MB allocationif(!mem){printf("Memory allocation failed\n"...
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#include<stdio.h>#include<stdlib.h>#include<numa.h>intmain(){if(numa_available()<0){fprintf(stderr,"NUMA is not available.\n");return-1;}// 获取节点数量intnode_count=numa_max_node()+1;printf("Number of NUMA nodes: %d\n",node_count);// 为每个节点分配内存for(inti=0;i<node_co...
cpumask_clear_cpu(cpu, node_to_cpumask_map[nid]); set_cpu_numa_node(cpu, NUMA_NO_NODE); }/* * Allocate node_to_cpumask_map based on number of available nodes * Requires node_possible_map to be valid. * * Note: cpumask_of_node() is not valid until after this is done. ...
My server default policy is 'default' (prefer local node for mem allocation). If we notice mem allocation for a process(cron) that spanned on two nodes with 'default' policy. 558204b35000 default file=/usr/sbin/cron dirty=3 N2=3 kernelpagesize_kB=4 7f94216cd000 default file=/usr/li...
vm on only one numa node Hi guys, I want vm1 to run on cpu1, and vm2 to run on cpu0, due to a graphics card configuration (they are not reversible). the vms are used for gaming so it is important that the vms run on the correct node with the gpu. my question is, how do...