Profiling file accesses to pare down filesystem
Wed Nov 29 19:36:00 GMT 2006
Not strictly a cross-compling issue, but since there are so many
embedded gurus here I thought I'd give it a try:
Normally I build embedded root filesystems up from scratch including
only files that are needed by the applications, but in my present
situation I've inherited a very large pre-existing filesystem to which
many people have contributed thousands and thousands of files. I need
to eliminate the cruft to make it smaller.
I would like to automatically generate a list of files accessed by the
product's applications. I figure there must be some software out
there for logging this info straight out of the Linux kernel. I could
use strace, but I'm looking for something more automatic that I can
start at boot and harvest after a simulated lifecycle of the product.
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