perf list | grep mem
perf record -p $(pidof redis-benchmark) -e mem_access
perf record -p $(pidof redis-benchmark) -e memory_error
perf mem record -p $(pidof XSBench)
perf stat -p $(pidof redis-benchmark) -e mem_access
perf script
perf report

trace-cmd record -p function_graph --max-graph-depth 5 -g handle_mm_fault -P 
trace-cmd report > ./overhead.txt