1.L1-dcache-load-misses：L1数据缓存加载未命中次数 2.L1-dcache-loads：L1数据缓存加载次数 3.L1-...
可以看到如下显示: branch-instructions OR branches[Hardware event]branch-misses[Hardware event]cache-misses[Hardware event]... ... context-switches OR cs[Software event]page-faults OR faults[Software event]... ... L1-dcache-load-misses[Hardware cache event]L1-dcache-loads[Hardware cache event]...
L1-dcache-load-misses:一级数据缓存负载未命中,大概可以看出应用程序的内存负载,其中有一部分负载从一级缓存返回 LLC-load-misses:末级缓存未命中;在末级缓存之后,就会直接读取主存,因此这实际是测量主存负载 下面对常用的子命令重点介绍一下,只要记住stat主要用于计数events,reord主要用于采样,report和script主要用于分...
perf性能事件的关系图如下: 执行命令: perf list 可以看到如下显示: branch-instructionsORbranches[Hardware event]branch-misses[Hardware event]cache-misses[Hardware event] ... ...context-switchesORcs [Software event] page-faultsORfaults [Software event] ... ... L1-dcache-load-misses [Hardwarecacheev...
我对perf events中的cache-misses和L1-icache-load-misses,L1-dcache-load-misses,LLC-load-misses感到困惑。当我尝试使用perf stat来统计它们时, 答案似乎不一致: %$: sudo perf stat -B -e cache-references,cache-misses,cycles,instructions,branches,faults,migrations,L1-dcache-load-misses,L1-dcache-loa...
L1-dcache-load-misses [Hardware cache event] L1-dcache-stores [Hardware cache event] L1-dcache-store-misses [Hardware cache event] L1-dcache-prefetches [Hardware cache event] L1-dcache-prefetch-misses [Hardware cache event] L1-icache-loads [Hardware cache event] ...
L1-dcache-load-misses [Hardware cacheevent] L1-dcache-loads [Hardware cacheevent] ... ...block:block_bio_backmerge [Tracepointevent]clk:clk_enable [Tracepointevent]dma_fence:dma_fence_destroy [Tracepointevent] ... ... 其中 登录后复制hardware event是硬件相关的性能事件 ...
L1-dcache-loads [Hardware cache event] L1-icache-load-misses [Hardware cache event] L1-icache-loads [Hardware cache event] branch-load-misses [Hardware cache event] branch-loads [Hardware cache event] dTLB-load-misses [Hardware cache event] ...
cache-misses [Hardware event] cache-references [Hardware event] cpu-cycles OR cycles [Hardware event] instructions [Hardware event] stalled-cycles-backend OR idle-cycles-backend [Hardware event] stalled-cycles-frontend OR idle-cycles-frontend [Hardware event] ...
L1-dcache-prefetch-misses [Hardware cache event] L1-icache-loads [Hardware cache event] L1-icache-load-misses [Hardware cache event] L1-icache-prefetches [Hardware cache event] L1-icache-prefetch-misses [Hardware cache event] LLC-loads [Hardware cache event] ...