F17 Slowness

[Josh Boyer]

On Thu, Feb 16, 2012 at 2:40 PM, David Malcolm <dmalcolm at redhat.com> wrote:
> On Thu, 2012-02-16 at 12:06 -0500, Dave Jones wrote:
>> On Thu, Feb 16, 2012 at 10:44:45AM -0600, Mike Chambers wrote:
>>  > Just seeing if it's just me, or we back to being slow again during
>>  > testing with the debug options and the kernel?  Am on a F16 kernel and
>>  > is little better than F17 3.3 kernels.
>>
>> the first -rc build of each kernel release has debug turned off.
>> subsequent builds reenable it.
>
> Is it possible to directly observe whether or not debugging is turned on
> at runtime e.g. via some magic value in /proc or /sys ?

The existence of /proc/lockdep might work.  If it's there, CONFIG_LOCKDEP is
enabled which only happens on debug kernels afaik.

josh