System Profiler, where is it?

[Le Tin]

In article <1991Jun18.163921.29837 at bradley.bradley.edu> guru at buhub.bradley.edu (Jerry Whelan) writes:
>
>	I am attempting to enable kernel profiling on an AT&T 6386e/33 WGS-S
>running SVR4 2.1.  It isn't working.  The Sys Admin's Guide refers to
>/usr/sbin/prfld which exists on my system.  However, when I run it, it
>comes back with "error: cannout open /dev/prf"  I don't have a /dev/prf.
>I checked on a 486 machine here and it does have a /dev/prf but it exhibits
>the same problem.  Just to see if it could be done, I mknod'ed a /dev/prf
>with the major and minor numebrs of the 486's /dev/prf.  Still no go, I
>get the same error message.
>	I don't see any mention of kernel profiling being a separate package
>for SVR4.  I have sar (& associates) running fine on the system.  Has anyone
>be able to turn get kernel profiling running on their machine?


   You need to add supports for the prf device to the kernel.  Go to
/etc/conf/sdevice.d and edit prf, change the 'N' to 'Y' and rebuild the
kernel.

-- Tin

-- 
.----------------------------------------------------------------------
. Tin Le                    Work Internet: tin at smsc.Sony.COM
. Sony Microsystems              UUCP: {uunet,mips}!sonyusa!tin
. Work: (408) 944-4157      Home Internet: tin at szebra.saigon.com