[Ocfs2-devel] [PATCH 00/34] OCFS2: Add trace event and replace mlog(0).
Sunil Mushran
sunil.mushran at oracle.com
Tue Jan 4 14:33:20 PST 2011
On 01/04/2011 02:15 PM, Joel Becker wrote:
>
> I think what matters to count is dirs, because files disappear
> when you're not using them.
> If you have 319 trace event directories, that's 319 inodes. On
> my x86, a vanilla struct inode is 360 bytes and a dentry is 136 bytes.
> That's 154K always in RAM for these knobs. I gotta say that I'm not too
> worried about 154K. On x86_64 (ca-build24) this grows to 241K. I
> imagine it will double when cluster and dlm are moved to similar trace
> events.
> Are we OK with 300K on x86 and 500K on x86_64 always used up by
> these tracing entries?
I'm ok with that.
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