Upgrade to release 2.9.0:
- Add warnings about too few or too many samples
- .github: Add ARM64 CI for pyperf
- Add support for profiling benchmarks using perf-record
- Prepare 2.9.0 release
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
