2020年10月2日 · Monitoring technologies include CMT (Cache Monitoring Technology), which monitors occupancy of last level cache, and MBM (Memory Bandwidth Monitoring). Control technologies include CAT (Cache Allocation Technology), CDP (Code Data Prioritization) and MBA (Memory Bandwidth Allocation).

This software package provides basic support for Intel (R) Resource Director Technology (Intel (R) RDT) and Intel (R) I/O Resource Director Technology (Intel (R) I/O RDT) including: Cache Monitoring Technology (CMT), Memory Bandwidth Monitoring (MBM), Cache Allocation Technology (CAT), Code and Data Prioritization (CDP) and Memory Bandwidth ...

This software package provides support for Intel (R) Resource Director Technology (RDT): Cache Monitoring Technology (CMT), Memory Bandwidth Monitoring (MBM), Cache Allocation Technology (CAT), Code and Data Prioritization (CDP) and Memory Bandwidth Allocation (MBA).

英特尔® RDT 提供了一个由多个组件功能（包括 CMT、CAT、CDP、MBM 和 MBA）组成的框架，用于缓存和内存监控及分配功能。 这些技术可以跟踪和控制平台上同时运行的多个应用程序、容器或 VM 使用的共享资源，例如最后一级缓存 (LLC) 和主内存 (DRAM) 带宽。

Intel的Resource Director Technology (RDT)旨在解决虚拟化环境中资源分配的问题，通过Cache Allocation Technology (CAT)、Cache Monitoring Technology (CMT)等模块，实现对CPU缓存和内存带宽的精细监控和控制。 RDT允许操作系统或虚拟机管理器根据应用需求优化资源分配，提升系 …

2022年5月19日 · RDT技术有其实有5个功能模块，分别是. Cache Monitoring Technology (CMT)缓存监测技术、 Cache Allocation Technology (CAT)缓存分配技术、 Memory Bandwidth Monitoring (MBM)内存带宽监测技术、 Memory Bandwidth Allocation (MBA)内存带宽分配技术、 Code and Data Prioritization (CDP)代码和数据分区技术。 5个模块可以分为监控和控制两大类，CMT和MBM为监控技术，而CAT、MBA和CDP为控制技术。 RDT允许OS或VMM来监控线程，应用 …

2020年7月13日 · Intel Cache Monitoring Technology (CMT) and Cache Allocation Technology (CAT) 查看当前系统 L3 cache 详情. CAT or CMT & MBM may lead to unexpected behavior. INFO: CPUID 0x10.0: L2 CAT not supported! INFO: CPUID 0x10.0: MBA not supported! INFO: resctrl not detected. Kernel version 4.10 or higher required. CAT or CMT & MBM may lead to unexpected behavior. ...

此功能主要用于优化 虚拟机 & DPDK 等应用场景，减少cache miss, 提高 性能. 文章浏览阅读5.4k次，点赞2次，收藏6次。 Intel CMT & CAT & CDP 技术Intel Cache Monitoring Technology (CMT) and Cache Allocation Technology (CAT) #pqos -e "llc:1=0x000f;llc:2=0xffff0;"pqos -e "llc:1=0x00003;llc:2=0xfffc0;llc:3=0x0003c"pqos -a_intel-cmt-cat.

Cache Monitoring Technology (CMT) Providing new insight by monitoring the last-level cache (LLC) utilization by individual threads, applications, or VMs, CMT improves workload characterization, enables advanced resource-aware scheduling decisions, aids “noisy neighbor” detection and improves performance debugging. Cache Allocation Technology (CAT)

2023年10月20日 · Example CMT/MBM usage scenario. A user has a host machine running 3 guest VM's with 3 cores assigned to each guest. To monitor all events (LLC occupancy, local and remote memory B/W) run: Console output: 0-2 0.28 7893k 383.2 901.2 430.8. 3 …