Local branch
Add PMFS scripts
Refine the code
Simplify file size format
Change scripts
Refine write_to_ram
O_DIRECT for mmap_to_ram
O3 optimization and compile fix
Add two optimized memcpy to mmap_to_ram
Multithread mmap_to_ram refine
write latency test
Add latency test results
Add trace_test.sh
Add process_result.py to calculate vfs_write() time
Changes for bb machines
Merge branch 'test-latency' of https://github.com/Andiry/Posix-vs-mmap into test-latency
More test results with monotonic timing
Add request_size and enable_ftrace to write_to_ram
mmap_to_ram refine
tets for xip_file_write