1. 程式人生 > >perf中branch-filter到底是幹嘛的?

perf中branch-filter到底是幹嘛的?

ast rec nbsp intel ack core event perf branch

./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到底是幹嘛的?