I'm curious about the footprint of the XFS binary code, specifically for
32 bit systems, but knowing the 64 bit case would be educational as well
for comparison. I don't use kernel modules or I'd already have a rough
answer. My last build was 2.6.38.6 but I'm sure the size hasn't changed
much in more recent kernels. My XFS build options were:
$ grep -i xfs .config
CONFIG_XFS_FS=y
# CONFIG_XFS_QUOTA is not set
# CONFIG_XFS_POSIX_ACL is not set
# CONFIG_XFS_RT is not set
My resulting kernel image is:
$ la /boot/vmlinuz-2.6.38.6
-rw-r--r-- 1 root root 1.6M May 17 23:55 vmlinuz-2.6.38.6
How much of that 1.6MB is XFS? Also, what is the size of the hot path
code that we want to stay in L1 during heavy IO?
--
Stan
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