Re: LOCK_PROFILING does not work on FreeBSD 8.0-CURRENT

From: Kris Kennaway <kris_at_FreeBSD.org>
Date: Sun, 29 Mar 2009 22:38:41 +0100
Wenji Wu wrote:
> Here is my procedures:
> 
> (1) run "cvsup supfile" to synchronize the latest kernel
> 
> (2) edit my kernel configuration file, and add "options 	LOCK_PROFILING" to my kernel configuration file
> 
> (3) run "make buildkernel KERNCONF=wenjikernel"
> 
> (4) run "make installkernel kernconf=WENJIKERNEL"

KERNCONF and the value of this variable are both case-sensitive.

Kris

> 
> (5) run "reboot" to reboot my system.
> 
> Here is the system printout after the reboot.
> 
> (1) "$ uname -a"
> FreeBSD wan-koi.fnal.gov 8.0-CURRENT FreeBSD 8.0-CURRENT #8: Sun Mar 29 20:11:07 UTC 2009     
> root_at_wan-koi.fnal.gov:/usr/obj/usr/src/sys/wenjikernel  amd64
> 
> (2) "sysctl -a|grep lock"
> $ sysctl -a|grep lock
> kern.clockrate: { hz = 1000, tick = 1000, profhz = 2000, stathz = 133 }
> vm.pageout_lock_miss: 0
> net.inet.tcp.wlock_looped: 0
> net.inet.tcp.wlock_relocked: 0
> net.inet.tcp.wlock_upgraded: 56
> net.inet.tcp.tcp_wlock_atfirst: 97
> net.inet.tcp.rlock_atfirst: 757
> net.inet.tcp.read_locking: 1
> debug.acpi.reset_clock: 1
> debug.rwlock.loops: 10000
> debug.rwlock.retry: 10
> debug.to_avg_lockcalls: 17
> hw.clockrate: 2666
> machdep.wall_cmos_clock: 0
> p1003_1b.memlock: 0
> p1003_1b.memlock_range: 0
> dev.atrtc.0.%desc: AT realtime clock
> 
> 
> What else did I have miss?
> 
> thanks 
> 
> wenji
> 
> 
> 
> 
Received on Sun Mar 29 2009 - 19:38:42 UTC

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