./arch/x86/events/intel/core.c:2161: data.br_stack = &cpuc->lbr_stack;./arch/x86/events/intel/ds.c:1181: data->br_stack = &cpuc->lbr_stack;
LBR last branch record特性
perf中branch-filter到底是干嘛的？
原文：https://www.cnblogs.com/honpey/p/9275760.html
