Date: Mon, 12 Dec 2005 15:37:25 +0800 (CST) From: leafy <leafy@leafy.idv.tw> To: FreeBSD-gnats-submit@FreeBSD.org Subject: threads/90278: libthr, ULE and -current produces >100% WCPU with apache20/22 Message-ID: <20051212073725.54B9168@chihiro.leafy.idv.tw> Resent-Message-ID: <200512121340.jBCDe2NR080939@freefall.freebsd.org>
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>Number: 90278 >Category: threads >Synopsis: libthr, ULE and -current produces >100% WCPU with apache20/22 >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-threads >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Dec 12 13:40:02 GMT 2005 >Closed-Date: >Last-Modified: >Originator: leafy >Release: FreeBSD 7.0-CURRENT i386 >Organization: >Environment: System: FreeBSD chihiro.leafy.idv.tw 7.0-CURRENT FreeBSD 7.0-CURRENT #12: Fri Nov 18 19:02:38 CST 2005 leafy@chihiro.leafy.idv.tw:/usr/obj/usr/src/sys/CHIHIRO i386 >Description: Using SCHED_ULE + libthr via libmap.conf and apache20/22 from ports generats >100% WCPU usage output in top when apache is starting. last pid: 86960; load averages: 0.17, 0.04, 0.01 up 23+17:15:47 15:29:23 132 processes: 1 running, 131 sleeping CPU states: 0.3% user, 0.0% nice, 1.5% system, 0.0% interrupt, 98.2% idle Mem: 88M Active, 162M Inact, 164M Wired, 26M Cache, 60M Buf, 53M Free Swap: 512M Total, 60K Used, 512M Free PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND 86958 www 27 4 0 16464K 9076K accept 0:00 446.92% httpd 86960 www 27 4 0 16464K 9076K accept 0:00 446.92% httpd 86959 www 27 4 0 16464K 9076K accept 0:00 446.92% httpd 86955 root 1 85 0 13000K 8712K select 0:03 16.55% httpd Attaching kernel config and libmap.conf # # GENERIC -- Generic kernel configuration file for FreeBSD/i386 # # For more information on this file, please read the handbook section on # Kernel Configuration Files: # # http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html # # The handbook is also available locally in /usr/share/doc/handbook # if you've installed the doc distribution, otherwise always see the # FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the # latest information. # # An exhaustive list of options and more detailed explanations of the # device lines is also present in the ../../conf/NOTES and NOTES files. # If you are in doubt as to the purpose or necessity of a line, check first # in NOTES. # # $FreeBSD: src/sys/i386/conf/GENERIC,v 1.418 2004/09/19 00:52:22 mjacob Exp $ machine i386 cpu I686_CPU ident CHIHIRO # To statically compile in device wiring instead of /boot/device.hints #hints "GENERIC.hints" # Default places to look for devices. makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols options SCHED_ULE # ULE scheduler #options SCHED_4BSD # 4BSD scheduler options PREEMPTION # Enable kernel thread preemption options INET # InterNETworking options INET6 # IPv6 communications protocols 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 MD_ROOT # MD is a potential root device #options NFSCLIENT # Network Filesystem Client #options NFSSERVER # Network Filesystem Server #options NFS_ROOT # NFS usable as /, requires NFSCLIENT #options MSDOSFS # MSDOS Filesystem #options CD9660 # ISO 9660 Filesystem options PROCFS # Process filesystem (requires PSEUDOFS) options PSEUDOFS # Pseudo-filesystem framework #options GEOM_GPT # GUID Partition Tables. options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!] #options COMPAT_FREEBSD4 # Compatible with FreeBSD4 options SCSI_DELAY=2000 # Delay (in ms) before probing SCSI options KTRACE # ktrace(1) support #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 AHC_REG_PRETTY_PRINT # Print register bitfields in debug # output. Adds ~128k to driver. #options AHD_REG_PRETTY_PRINT # Print register bitfields in debug # output. Adds ~215k to driver. options ADAPTIVE_GIANT # Giant mutex is adaptive. options AHC_ALLOW_MEMIO # To make an SMP kernel, the next two lines are needed #options SMP # Symmetric MultiProcessor Kernel device apic # I/O APIC # ALTQ support options ALTQ options ALTQ_CBQ options ALTQ_RED options ALTQ_RIO options ALTQ_HFSC options ALTQ_CDNR options ALTQ_PRIQ # Polling settings options DEVICE_POLLING options HZ=1268 # Options for the VM subsystem # L2 cache size (in KB) can be specified in PQ_CACHESIZE options PQ_CACHESIZE=256 # color for 256k cache # Bus support. Do not remove isa, even if you have no isa slots device isa device pci # Floppy drives #device fdc # ATA and ATAPI devices #device ata #device atadisk # ATA disk drives #device ataraid # ATA RAID drives #device atapicd # ATAPI CDROM drives #device atapifd # ATAPI floppy drives #device atapist # ATAPI tape drives #options ATA_STATIC_ID # Static device numbering # SCSI Controllers #device ahb # EISA AHA1742 family #device ahc # AHA2940 and onboard AIC7xxx devices #device ahd # AHA39320/29320 and onboard AIC79xx devices #device amd # AMD 53C974 (Tekram DC-390(T)) #device isp # Qlogic family #device ispfw # Firmware for QLogic HBAs- normally a module #device mpt # LSI-Logic MPT-Fusion #device ncr # NCR/Symbios Logic #device sym # NCR/Symbios Logic (newer chipsets + those of `ncr') #device trm # Tekram DC395U/UW/F DC315U adapters #device adv # Advansys SCSI adapters #device adw # Advansys wide SCSI adapters #device aha # Adaptec 154x SCSI adapters #device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60. #device bt # Buslogic/Mylex MultiMaster SCSI adapters #device ncv # NCR 53C500 #device nsp # Workbit Ninja SCSI-3 #device stg # TMC 18C30/18C50 # SCSI peripherals #device scbus # SCSI bus (required for SCSI) #device ch # SCSI media changers #device da # Direct Access (disks) #device sa # Sequential Access (tape etc) #device cd # CD #device pass # Passthrough device (direct SCSI access) #device ses # SCSI Environmental Services (and SAF-TE) # RAID controllers interfaced to the SCSI subsystem #device amr # AMI MegaRAID #device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID #device ciss # Compaq Smart RAID 5* #device dpt # DPT Smartcache III, IV - See NOTES for options #device iir # Intel Integrated RAID #device ips # IBM (Adaptec) ServeRAID #device mly # Mylex AcceleRAID/eXtremeRAID #device twa # 3ware 9000 series PATA/SATA RAID # RAID controllers #device aac # Adaptec FSA RAID #device aacp # SCSI passthrough for aac (requires CAM) #device ida # Compaq Smart RAID #device mlx # Mylex DAC960 family #device pst # Promise Supertrak SX6000 #device twe # 3ware ATA RAID # atkbdc0 controls both the keyboard and the PS/2 mouse device atkbdc # AT keyboard controller device atkbd # AT keyboard device psm # PS/2 mouse device vga # VGA video card driver #device splash # Splash screen and screen saver support # syscons is the default console driver, resembling an SCO console device sc # Enable this for the pcvt (VT220 compatible) console driver #device vt #options XSERVER # support for X server on a vt console #options FAT_CURSOR # start with block cursor device agp # support several AGP chipsets # Floating point support - do not disable. device npx # Power management support (see NOTES for more options) #device apm # Add suspend/resume support for the i8254. device pmtimer # PCCARD (PCMCIA) support # PCMCIA and cardbus bridge support #device cbb # cardbus (yenta) bridge #device pccard # PC Card (16-bit) bus #device cardbus # CardBus (32-bit) bus # Serial (COM) ports device sio # 8250, 16[45]50 based serial ports # Parallel port #device ppc #device ppbus # Parallel port bus (required) #device lpt # Printer #device plip # TCP/IP over parallel #device ppi # Parallel port interface device #device vpo # Requires scbus and da # If you've got a "dumb" serial or parallel PCI card that is # supported by the puc(4) glue driver, uncomment the following # line to enable it (connects to the sio and/or ppc drivers): #device puc # PCI Ethernet NICs. #device de # DEC/Intel DC21x4x (``Tulip'') #device em # Intel PRO/1000 adapter Gigabit Ethernet Card #device ixgb # Intel PRO/10GbE Ethernet Card #device txp # 3Com 3cR990 (``Typhoon'') #device vx # 3Com 3c590, 3c595 (``Vortex'') # PCI Ethernet NICs that use the common MII bus controller code. # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! #device miibus # MII bus support #device bfe # Broadcom BCM440x 10/100 Ethernet #device bge # Broadcom BCM570xx Gigabit Ethernet #device dc # DEC/Intel 21143 and various workalikes #device fxp # Intel EtherExpress PRO/100B (82557, 82558) #device lge # Level 1 LXT1001 gigabit ethernet #device nge # NatSemi DP83820 gigabit ethernet #device pcn # AMD Am79C97x PCI 10/100 (precedence over 'lnc') #device re # RealTek 8139C+/8169/8169S/8110S #device rl # RealTek 8129/8139 #device sf # Adaptec AIC-6915 (``Starfire'') #device sis # Silicon Integrated Systems SiS 900/SiS 7016 #device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet #device ste # Sundance ST201 (D-Link DFE-550TX) #device ti # Alteon Networks Tigon I/II gigabit Ethernet #device tl # Texas Instruments ThunderLAN #device tx # SMC EtherPower II (83c170 ``EPIC'') #device vge # VIA VT612x gigabit ethernet #device vr # VIA Rhine, Rhine II #device wb # Winbond W89C840F #device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') # ISA Ethernet NICs. pccard NICs included. #device cs # Crystal Semiconductor CS89x0 NIC # 'device ed' requires 'device miibus' #device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards #device ex # Intel EtherExpress Pro/10 and Pro/10+ #device ep # Etherlink III based cards #device fe # Fujitsu MB8696x based cards #device ie # EtherExpress 8/16, 3C507, StarLAN 10 etc. #device lnc # NE2100, NE32-VL Lance Ethernet cards #device sn # SMC's 9000 series of Ethernet chips #device xe # Xircom pccard Ethernet # ISA devices that use the old ISA shims #device le # Wireless NIC cards #device wlan # 802.11 support #device an # Aironet 4500/4800 802.11 wireless NICs. #device awi # BayStack 660 and others #device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs. #device wl # Older non 802.11 Wavelan wireless NIC. # Pseudo devices. device loop # Network loopback #device mem # Memory and kernel memory devices #device io # I/O device #device random # Entropy device device ether # Ethernet support #device sl # Kernel SLIP #device ppp # Kernel PPP #device tun # Packet tunnel. device pty # Pseudo-ttys (telnet etc) #device md # Memory "disks" #device gif # IPv6 and IPv4 tunneling #device faith # IPv6-to-IPv4 relaying (translation) # The `bpf' device enables the Berkeley Packet Filter. # Be aware of the administrative consequences of enabling this! device bpf # Berkeley packet filter # USB support #device uhci # UHCI PCI->USB interface #device ohci # OHCI PCI->USB interface #device usb # USB Bus (required) #device udbp # USB Double Bulk Pipe devices #device ugen # Generic #device uhid # "Human Interface Devices" #device ukbd # Keyboard #device ulpt # Printer #device umass # Disks/Mass storage - Requires scbus and da #device ums # Mouse #device urio # Diamond Rio 500 MP3 player #device uscanner # Scanners # USB Ethernet, requires mii #device aue # ADMtek USB Ethernet #device axe # ASIX Electronics USB Ethernet #device cue # CATC USB Ethernet #device kue # Kawasaki LSI USB Ethernet #device rue # RealTek RTL8150 USB Ethernet # FireWire support #device firewire # FireWire bus code #device sbp # SCSI over FireWire (Requires scbus and da) #device fwe # Ethernet over FireWire (non-standard!) # /etc/libmap.conf # # candidate mapping # #libc_r.so.5 libpthread.so.2 # Everything uses 'libpthread' #libc_r.so libpthread.so libpthread.so.2 libthr.so.2 libpthread.so libthr.so libc_r.so.5 libthr.so.2 # Everything uses 'libthr' libc_r.so libthr.so [/usr/local/lib/linux-flashplugin6/libflashplayer.so] libpthread.so.0 pluginwrapper/flash6.so libdl.so.2 pluginwrapper/flash6.so libz.so.1 libz.so.2 libstdc++-libc6.2-2.so.3 libstdc++.so.4 libm.so.6 libm.so.2 libc.so.6 pluginwrapper/flash6.so www/apache20|22 is built with following flags www/apache22|WITH_CUSTOM_PROXY="proxy proxy_http" WITH_MPM=worker WITH_KQUEUE_SUPPORT=yes WITH_THREADS=yes WITH_BERKELEYDB=db42 WITH_KQUEUE_SUPPORT=yes WITH_SUEXEC=yes| >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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