Re: [PATCH 3/6] 2.6.16-rc1 perfmon2 patch for review

[Stephane Eranian <eranian@hpl.hp.com>]

Greg,

On Wed, Jan 25, 2006 at 03:52:04PM -0800, Greg KH wrote:
> On Wed, Jan 25, 2006 at 12:08:13PM -0800, Bryan O'Sullivan wrote:
> > On Tue, 2006-01-24 at 07:09 -0800, Stephane Eranian wrote:
> > 
> > > Because I tried regrouping all the /proc AND related interface into a single
> > > C file.
> > 
> > sysctls seem to be every bit as deprecated as /proc for what you are
> > tring to do.
> > 
> > > Well, it is not clear to me what criteria is used for /sys vs /proc.
> > 
> > My understanding is that only process-related stuff belongs in /proc
> > now.  Other random cruft that has accumulated over the years is left
> > there for backwards compatibility, but /sys interfaces are the way
> > forward now.
> 
> Yes, that is exactly right.
> 
I don't have a problem moving the perfmon stuff to /sys, except for
/proc/perfmon which is already being used by a bunch of tools. Unless
we duplicate the information or use a simlink (if that's possible).

Please indicate a location in the /sys tree where these would fit:

/proc/perfmon
/proc/perfmon_map

These are currently sysctl():

/proc/sys/kernel/perfmon/arg_size_max
/proc/sys/kernel/perfmon/debug
/proc/sys/kernel/perfmon/debug_ovfl
/proc/sys/kernel/perfmon/expert_mode
/proc/sys/kernel/perfmon/reset_stats
/proc/sys/kernel/perfmon/smpl_buf_size_max
/proc/sys/kernel/perfmon/sys_group
/proc/sys/kernel/perfmon/task_group

-- 
-Stephane
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