'perf kvm buildid-list' to display the buildids found in a perf data file,
so that other tools can be used to fetch packages with matching symbol tables
- for use by perf report.
+ for use by perf report. As buildid is read from /sys/kernel/notes in os, then
+ if you want to list the buildid for guest, please make sure your perf data file
+ was captured with --guestmount in perf kvm record.
'perf kvm stat <command>' to run a command and gather performance counter
statistics.