Re: [PATCH 2.5] speedup kallsyms_lookup

Valdis.Kletnieks
2003-01-10T17:05:10Z

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On Fri, 10 Jan 2003 17:12:12 +0100, Andi Kleen <ak@suse.de> said:
>
> > So the end-result of the discussion is, "What should really happen here?"
> > and "What, if anything, do you want me to do?"
>
> IMHO best would be to get rid of /proc/*/wchan and keep the kallsyms
> lookup slow, simple and stupid.

And replace the current /proc/*/wchan functionality with what?
(Note that saying "read the System.map file from userspace" doesn't *quite*
work, as I may be running a kernel that doesn't have System.map installed
someplace easily findable. At the moment my /boot partition has 6 assorted
vmlinuz-\(*\) files, only 4 of which have System.map-\1 files matching).

--
Valdis Kletnieks
Computer Systems Senior Engineer
Virginia Tech

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