X11 extremely slow while compiling other things

[Yi Wang]

Thanks to all.

But I have the ULE scheduler enabled in the kernel.

% cat /usr/src/sys/i386/conf/MYKERNEL | grep -v ^# | grep -v ^$

cpu		I686_CPU
ident		MYKERNEL
options 	SCHED_ULE		# 4BSD scheduler
options 	PREEMPTION		# Enable kernel thread preemption
options 	INET			# InterNETworking
options 	INET6			# IPv6 communications protocols
options 	SCTP			# Stream Control Transmission Protocol
options 	FFS			# Berkeley Fast Filesystem
options 	SOFTUPDATES		# Enable FFS soft updates support
options 	UFS_ACL			# Support for access control lists
options 	UFS_DIRHASH		# Improve performance on big directories
options 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
options 	MSDOSFS			# MSDOS Filesystem
options 	CD9660			# ISO 9660 Filesystem
options 	PROCFS			# Process filesystem (requires PSEUDOFS)
options 	PSEUDOFS		# Pseudo-filesystem framework
options 	COMPAT_43TTY		# BSD 4.3 TTY compat [KEEP THIS!]
options 	COMPAT_FREEBSD4		# Compatible with FreeBSD4
options 	COMPAT_FREEBSD5		# Compatible with FreeBSD5
options 	COMPAT_FREEBSD6		# Compatible with FreeBSD6
options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
options 	SYSVSHM			# SYSV-style shared memory
options 	SYSVMSG			# SYSV-style message queues
options 	SYSVSEM			# SYSV-style semaphores
options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
options 	ADAPTIVE_GIANT		# Giant mutex is adaptive.
options 	STOP_NMI		# Stop CPUS using NMI instead of IPI
options 	AUDIT			# Security event auditing
device		cpufreq
device		pci
device		ata
device		atadisk		# ATA disk drives
device		atapicd		# ATAPI CDROM drives
options 	ATA_STATIC_ID	# Static device numbering
					# output.  Adds ~128k to driver.
					# output.  Adds ~215k to driver.
device		scbus		# SCSI bus (required for SCSI)
device		da		# Direct Access (disks)
device		pass		# Passthrough device (direct SCSI access)
device		atkbdc		# AT keyboard controller
device		atkbd		# AT keyboard
device		vga		# VGA video card driver
device		sc
device		agp		# support several AGP chipsets
device		pmtimer
device		miibus		# MII bus support
device		nfe		# nVidia nForce MCP on-board Ethernet
device		loop		# Network loopback
device		random		# Entropy device
device		ether		# Ethernet support
device		pty		# Pseudo-ttys (telnet etc)
device		md		# Memory "disks"
device		gif		# IPv6 and IPv4 tunneling
device		faith		# IPv6-to-IPv4 relaying (translation)
device		firmware	# firmware assist module
device		bpf		# Berkeley packet filter
device		ohci		# OHCI PCI->USB interface
device		ehci		# EHCI PCI->USB interface (USB 2.0)
device		usb		# USB Bus (required)
device		umass		# Disks/Mass storage - Requires scbus and da
device		ums		# Mouse
device		sound
device		snd_ich
device		pf
device		pflog
device		pfsync
options		LIBICONV
options		NTFS
options		NTFS_ICONV
options		MSDOSFS_ICONV
options		CD9660_ICONV
options 	ALTQ
options 	ALTQ_CBQ	# Class Bases Queueing
options 	ALTQ_RED	# Random Early Detection
options 	ALTQ_RIO	# RED In/Out
options 	ALTQ_HFSC	# Hierarchical Packet Scheduler
options 	ALTQ_CDNR	# Traffic conditioner
options 	ALTQ_PRIQ	# Priority Queueing
options 	ALTQ_NOPCC	# Required if the TSC is unusable
options		COMPAT_LINUX
device		smbus		# Bus support, required for smb below.
device		nfpm
device		nfsmb

On 10/22/07, Anish Mistry <mistry.7 at osu.edu> wrote:
> On Saturday 20 October 2007, Yi Wang wrote:
> > Hi,
> >
> > My box is running 7.0-PREREALEASE.
> >
> > When I run more than two building tasks, X11 became extremely slow.
> > The mouse pointer can also hardly move.
> >
> > Running more than two building tasks under 6-stable does not
> > introduce the issues.
> >
> > Does any one know how to solve it?
> Try adding "options FULL_PREEMPTION" to your kernel.
>
>
> --
> Anish Mistry
>
>


-- 
Regards,
Wang Yi