[bin]$ perf mem record
I get
failed: event 'cpu/mem-stores/P' not supported

bin]$ uname -a
Linux 3.10.0-693.21.1.el7.x86_64 #1 SMP Wed Mar 7 19:03:37 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

bin]$ perf --version
perf version 3.10.0-693.21.1.el7.x86_64.debug

[bin]$ perf mem record -e list
ldlat-loads  : available
ldlat-stores