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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: network performance drop heavily in xen 4.0 release
a quick diff between the two (attached file is full diff -u output) $ grep '^+' xenperf.diff +++ config-2.6.31.13-high performance 2010-04-24 12:07:04.000000000 -0400 +# Fri Apr 16 13:26:59 2010 +# CONFIG_XEN_DEBUG_FS is not set +# CONFIG_X86_CPU_DEBUG is not set +# CONFIG_PM_DEBUG is not set +# CONFIG_CPU_FREQ_DEBUG is not set +# CONFIG_CAN_DEBUG_DEVICES is not set +# CONFIG_CFG80211_DEBUGFS is not set +CONFIG_BLK_DEV_LOOP=m +# CONFIG_SCSI_DEBUG is not set +CONFIG_ATA_PIIX=m +# CONFIG_DM_DEBUG is not set +# CONFIG_LIBERTAS_DEBUG is not set +# CONFIG_ATH5K_DEBUG is not set +# CONFIG_IWLWIFI_DEBUG is not set +# CONFIG_B43_DEBUG is not set +# CONFIG_B43LEGACY_DEBUG is not set +# CONFIG_RT2X00_LIB_DEBUGFS is not set +# CONFIG_SND_DEBUG is not set +# CONFIG_HID_DEBUG is not set +# CONFIG_USB_SERIAL_DEBUG is not set +# CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set +CONFIG_XEN_DEV_EVTCHN=y +# CONFIG_JBD2_DEBUG is not set +# CONFIG_DLM_DEBUG is not set +# CONFIG_DEBUG_KERNEL is not set +# CONFIG_SLUB_DEBUG_ON is not set +# CONFIG_DYNAMIC_DEBUG is not set +# CONFIG_DMA_API_DEBUG is not set +# CONFIG_KEYS_DEBUG_PROC_KEYS is not set listmail wrote: Or nevermind... :) The *config-2.6.31-13xen <http://lists.xensource.com/archives/html/xen-devel/2010-04/binpV1aVlN6Wc.bin> you originally posted was the one *with* the performance issue. I was surprised to not see any debug differences.*listmail wrote:Do you mind attaching the config for 2.6.18.8 ? I believe we should be comparing that with "config-2.6.31.13-high performance"Ronaldo C. A. Chaves wrote:I compared the config-2.6.31-13xen* *with the config-2.6.31.13-high performance.2010/4/24 yingbin wang <yingbin.wangyb@xxxxxxxxx <mailto:yingbin.wangyb@xxxxxxxxx>> $ diff -u config-2.6.31-13xen config-2.6.31.13-high\ performance --- config-2.6.31-13xen 2010-04-24 12:06:08.000000000 -0400 +++ config-2.6.31.13-high performance 2010-04-24 12:07:04.000000000 -0400 @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.31.13 -# Fri Apr 9 01:50:40 2010 +# Fri Apr 16 13:26:59 2010 # CONFIG_64BIT=y # CONFIG_X86_32 is not set @@ -241,7 +241,7 @@ CONFIG_XEN_TIME_VSYSCALL=y CONFIG_XEN_MAX_DOMAIN_MEMORY=32 CONFIG_XEN_SAVE_RESTORE=y -CONFIG_XEN_DEBUG_FS=y +# CONFIG_XEN_DEBUG_FS is not set CONFIG_XEN_DOM0=y CONFIG_XEN_PRIVILEGED_GUEST=y CONFIG_XEN_DOM0_PCI=y @@ -253,7 +253,6 @@ # CONFIG_PARAVIRT_SPINLOCKS is not set CONFIG_PARAVIRT_CLOCK=y CONFIG_PARAVIRT_CLOCK_VSYSCALL=y -# CONFIG_PARAVIRT_DEBUG is not set # CONFIG_MEMTEST is not set # CONFIG_M386 is not set # CONFIG_M486 is not set @@ -306,7 +305,6 @@ CONFIG_SWIOTLB=y CONFIG_IOMMU_HELPER=y CONFIG_IOMMU_API=y -# CONFIG_MAXSMP is not set CONFIG_NR_CPUS=512 CONFIG_SCHED_SMT=y CONFIG_SCHED_MC=y @@ -330,7 +328,7 @@ CONFIG_MICROCODE_OLD_INTERFACE=y CONFIG_X86_MSR=y CONFIG_X86_CPUID=y -CONFIG_X86_CPU_DEBUG=m +# CONFIG_X86_CPU_DEBUG is not set CONFIG_ARCH_PHYS_ADDR_T_64BIT=y CONFIG_DIRECT_GBPAGES=y CONFIG_NUMA=y @@ -401,15 +399,10 @@ # CONFIG_ARCH_HIBERNATION_HEADER=y CONFIG_PM=y -CONFIG_PM_DEBUG=y -# CONFIG_PM_VERBOSE is not set -CONFIG_CAN_PM_TRACE=y -CONFIG_PM_TRACE=y -CONFIG_PM_TRACE_RTC=y +# CONFIG_PM_DEBUG is not set CONFIG_PM_SLEEP_SMP=y CONFIG_PM_SLEEP=y CONFIG_SUSPEND=y -CONFIG_PM_TEST_SUSPEND=y CONFIG_SUSPEND_FREEZER=y CONFIG_HIBERNATION_NVS=y CONFIG_HIBERNATION=y @@ -443,7 +436,7 @@ # CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_TABLE=m -CONFIG_CPU_FREQ_DEBUG=y +# CONFIG_CPU_FREQ_DEBUG is not set CONFIG_CPU_FREQ_STAT=m CONFIG_CPU_FREQ_STAT_DETAILS=y # CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set @@ -502,7 +495,6 @@ CONFIG_ARCH_SUPPORTS_MSI=y CONFIG_PCI_MSI=y CONFIG_PCI_LEGACY=y -# CONFIG_PCI_DEBUG is not set CONFIG_PCI_STUB=y CONFIG_HT_IRQ=y CONFIG_PCI_IOV=y @@ -857,12 +849,6 @@ # CONFIG_IP_DCCP_CCID3_DEBUG is not set CONFIG_IP_DCCP_CCID3_RTO=100 CONFIG_IP_DCCP_TFRC_LIB=y - -# -# DCCP Kernel Hacking -# -# CONFIG_IP_DCCP_DEBUG is not set -CONFIG_NET_DCCPPROBE=m CONFIG_IP_SCTP=m # CONFIG_SCTP_DBG_MSG is not set # CONFIG_SCTP_DBG_OBJCNT is not set @@ -1010,7 +996,7 @@ CONFIG_CAN_SJA1000_PLATFORM=m CONFIG_CAN_EMS_PCI=m CONFIG_CAN_KVASER_PCI=m -CONFIG_CAN_DEBUG_DEVICES=y +# CONFIG_CAN_DEBUG_DEVICES is not set CONFIG_IRDA=m # @@ -1100,7 +1086,7 @@ CONFIG_WIRELESS=y CONFIG_CFG80211=m # CONFIG_CFG80211_REG_DEBUG is not set -CONFIG_CFG80211_DEBUGFS=y +# CONFIG_CFG80211_DEBUGFS is not set # CONFIG_WIRELESS_OLD_REGULATORY is not set CONFIG_WIRELESS_EXT=y CONFIG_WIRELESS_EXT_SYSFS=y @@ -1146,8 +1132,6 @@ CONFIG_FW_LOADER=y # CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_EXTRA_FIRMWARE="" -# CONFIG_DEBUG_DRIVER is not set -CONFIG_DEBUG_DEVRES=y CONFIG_SYS_HYPERVISOR=y CONFIG_CONNECTOR=y CONFIG_PROC_EVENTS=y @@ -1328,7 +1312,7 @@ CONFIG_BLK_DEV_DAC960=m CONFIG_BLK_DEV_UMEM=m # CONFIG_BLK_DEV_COW_COMMON is not set -CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_CRYPTOLOOP=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_OSD=m @@ -1480,7 +1464,7 @@ # CONFIG_SCSI_LPFC_DEBUG_FS is not set CONFIG_SCSI_DC395x=m CONFIG_SCSI_DC390T=m -CONFIG_SCSI_DEBUG=m +# CONFIG_SCSI_DEBUG is not set CONFIG_SCSI_SRP=m CONFIG_SCSI_LOWLEVEL_PCMCIA=y # CONFIG_PCMCIA_FDOMAIN is not set @@ -1503,7 +1487,7 @@ CONFIG_SATA_SIL24=m CONFIG_ATA_SFF=y CONFIG_SATA_SVW=m -CONFIG_ATA_PIIX=y +CONFIG_ATA_PIIX=m CONFIG_SATA_MV=m CONFIG_SATA_NV=m CONFIG_PDC_ADMA=m @@ -1570,7 +1554,7 @@ CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m CONFIG_BLK_DEV_DM=y -CONFIG_DM_DEBUG=y +# CONFIG_DM_DEBUG is not set CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=y CONFIG_DM_MIRROR=y @@ -1789,7 +1773,7 @@ CONFIG_LIBERTAS_USB=m CONFIG_LIBERTAS_CS=m CONFIG_LIBERTAS_SDIO=m -CONFIG_LIBERTAS_DEBUG=y +# CONFIG_LIBERTAS_DEBUG is not set CONFIG_LIBERTAS_THINFIRM=m CONFIG_LIBERTAS_THINFIRM_USB=m CONFIG_AIRO=m @@ -1814,7 +1798,7 @@ CONFIG_P54_LEDS=y CONFIG_ATH_COMMON=m CONFIG_ATH5K=m -CONFIG_ATH5K_DEBUG=y +# CONFIG_ATH5K_DEBUG is not set CONFIG_ATH9K=m # CONFIG_ATH9K_DEBUG is not set CONFIG_AR9170_USB=m @@ -1833,8 +1817,7 @@ CONFIG_IWLWIFI=m CONFIG_IWLWIFI_LEDS=y CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT=y -CONFIG_IWLWIFI_DEBUG=y -CONFIG_IWLWIFI_DEBUGFS=y +# CONFIG_IWLWIFI_DEBUG is not set CONFIG_IWLAGN=m CONFIG_IWL4965=y CONFIG_IWL5000=y @@ -1853,14 +1836,13 @@ CONFIG_B43_PIO=y CONFIG_B43_LEDS=y CONFIG_B43_HWRNG=y -CONFIG_B43_DEBUG=y -# CONFIG_B43_FORCE_PIO is not set +# CONFIG_B43_DEBUG is not set CONFIG_B43LEGACY=m CONFIG_B43LEGACY_PCI_AUTOSELECT=y CONFIG_B43LEGACY_PCICORE_AUTOSELECT=y CONFIG_B43LEGACY_LEDS=y CONFIG_B43LEGACY_HWRNG=y -CONFIG_B43LEGACY_DEBUG=y +# CONFIG_B43LEGACY_DEBUG is not set CONFIG_B43LEGACY_DMA=y CONFIG_B43LEGACY_PIO=y CONFIG_B43LEGACY_DMA_AND_PIO_MODE=y @@ -1883,7 +1865,7 @@ CONFIG_RT2X00_LIB_CRYPTO=y CONFIG_RT2X00_LIB_RFKILL=y CONFIG_RT2X00_LIB_LEDS=y -CONFIG_RT2X00_LIB_DEBUGFS=y +# CONFIG_RT2X00_LIB_DEBUGFS is not set # CONFIG_RT2X00_DEBUG is not set CONFIG_HERMES=m CONFIG_HERMES_CACHE_FW_ON_INIT=y @@ -2308,7 +2290,6 @@ # CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y -CONFIG_CONSOLE_POLL=y CONFIG_SERIAL_JSM=m CONFIG_UNIX98_PTYS=y CONFIG_DEVPTS_MULTIPLE_INSTANCES=y @@ -3141,9 +3122,7 @@ # CONFIG_SND_SUPPORT_OLD_API is not set CONFIG_SND_VERBOSE_PROCFS=y CONFIG_SND_VERBOSE_PRINTK=y -CONFIG_SND_DEBUG=y -# CONFIG_SND_DEBUG_VERBOSE is not set -CONFIG_SND_PCM_XRUN_DEBUG=y +# CONFIG_SND_DEBUG is not set CONFIG_SND_VMASTER=y CONFIG_SND_RAWMIDI_SEQ=m CONFIG_SND_OPL3_LIB_SEQ=m @@ -3271,7 +3250,7 @@ CONFIG_AC97_BUS=m CONFIG_HID_SUPPORT=y CONFIG_HID=y -CONFIG_HID_DEBUG=y +# CONFIG_HID_DEBUG is not set CONFIG_HIDRAW=y # @@ -3450,7 +3429,7 @@ CONFIG_USB_SERIAL_OPTION=m CONFIG_USB_SERIAL_OMNINET=m CONFIG_USB_SERIAL_OPTICON=m -CONFIG_USB_SERIAL_DEBUG=m +# CONFIG_USB_SERIAL_DEBUG is not set # # USB Miscellaneous drivers @@ -3579,7 +3558,7 @@ CONFIG_INFINIBAND_IPOIB=m CONFIG_INFINIBAND_IPOIB_CM=y CONFIG_INFINIBAND_IPOIB_DEBUG=y -CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y +# CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set CONFIG_INFINIBAND_SRP=m CONFIG_INFINIBAND_ISER=m CONFIG_EDAC=y @@ -3689,7 +3668,7 @@ # CONFIG_XEN_BALLOON=y CONFIG_XEN_SCRUB_PAGES=y -CONFIG_XEN_DEV_EVTCHN=m +CONFIG_XEN_DEV_EVTCHN=y CONFIG_XEN_BACKEND=y CONFIG_XEN_BLKDEV_BACKEND=y CONFIG_XEN_BLKDEV_TAP=m @@ -3813,7 +3792,7 @@ CONFIG_JBD=y # CONFIG_JBD_DEBUG is not set CONFIG_JBD2=y -CONFIG_JBD2_DEBUG=y +# CONFIG_JBD2_DEBUG is not set CONFIG_FS_MBCACHE=y CONFIG_REISERFS_FS=m # CONFIG_REISERFS_CHECK is not set @@ -4063,7 +4042,7 @@ CONFIG_NLS_KOI8_U=m CONFIG_NLS_UTF8=m CONFIG_DLM=m -CONFIG_DLM_DEBUG=y +# CONFIG_DLM_DEBUG is not set # # Kernel hacking @@ -4077,67 +4056,19 @@ CONFIG_UNUSED_SYMBOLS=y CONFIG_DEBUG_FS=y CONFIG_HEADERS_CHECK=y -CONFIG_DEBUG_KERNEL=y -CONFIG_DEBUG_SHIRQ=y -CONFIG_DETECT_SOFTLOCKUP=y -# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set -CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 -CONFIG_DETECT_HUNG_TASK=y -# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set -CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 +# CONFIG_DEBUG_KERNEL is not set CONFIG_SCHED_DEBUG=y CONFIG_SCHEDSTATS=y -CONFIG_TIMER_STATS=y -CONFIG_DEBUG_OBJECTS=y -# CONFIG_DEBUG_OBJECTS_SELFTEST is not set -CONFIG_DEBUG_OBJECTS_FREE=y -CONFIG_DEBUG_OBJECTS_TIMERS=y -CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1 -CONFIG_SLUB_DEBUG_ON=y +# CONFIG_SLUB_DEBUG_ON is not set # CONFIG_SLUB_STATS is not set -# CONFIG_DEBUG_KMEMLEAK is not set -CONFIG_DEBUG_RT_MUTEXES=y -CONFIG_DEBUG_PI_LIST=y -# CONFIG_RT_MUTEX_TESTER is not set -CONFIG_DEBUG_SPINLOCK=y -CONFIG_DEBUG_MUTEXES=y -CONFIG_DEBUG_LOCK_ALLOC=y -CONFIG_PROVE_LOCKING=y -CONFIG_LOCKDEP=y -CONFIG_LOCK_STAT=y -# CONFIG_DEBUG_LOCKDEP is not set -CONFIG_TRACE_IRQFLAGS=y -CONFIG_DEBUG_SPINLOCK_SLEEP=y -# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set CONFIG_STACKTRACE=y -# CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y -CONFIG_DEBUG_INFO=y -CONFIG_DEBUG_VM=y -# CONFIG_DEBUG_VIRTUAL is not set -CONFIG_DEBUG_WRITECOUNT=y CONFIG_DEBUG_MEMORY_INIT=y -CONFIG_DEBUG_LIST=y -CONFIG_DEBUG_SG=y -CONFIG_DEBUG_NOTIFIERS=y CONFIG_ARCH_WANT_FRAME_POINTERS=y CONFIG_FRAME_POINTER=y -CONFIG_BOOT_PRINTK_DELAY=y -# CONFIG_RCU_TORTURE_TEST is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set -# CONFIG_KPROBES_SANITY_TEST is not set -# CONFIG_BACKTRACE_SELF_TEST is not set -# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set -# CONFIG_LKDTM is not set -CONFIG_FAULT_INJECTION=y -CONFIG_FAILSLAB=y -CONFIG_FAIL_PAGE_ALLOC=y -CONFIG_FAIL_MAKE_REQUEST=y -# CONFIG_FAIL_IO_TIMEOUT is not set -CONFIG_FAULT_INJECTION_DEBUG_FS=y CONFIG_LATENCYTOP=y CONFIG_SYSCTL_SYSCALL_CHECK=y -# CONFIG_DEBUG_PAGEALLOC is not set CONFIG_USER_STACKTRACE_SUPPORT=y CONFIG_NOP_TRACER=y CONFIG_HAVE_FTRACE_NMI_ENTER=y @@ -4182,27 +4113,15 @@ CONFIG_PROVIDE_OHCI1394_DMA_INIT=y # CONFIG_FIREWIRE_OHCI_REMOTE_DMA is not set CONFIG_BUILD_DOCSRC=y -CONFIG_DYNAMIC_DEBUG=y -CONFIG_DMA_API_DEBUG=y +# CONFIG_DYNAMIC_DEBUG is not set +# CONFIG_DMA_API_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y -CONFIG_KGDB=y -CONFIG_KGDB_SERIAL_CONSOLE=y -CONFIG_KGDB_TESTS=y -# CONFIG_KGDB_TESTS_ON_BOOT is not set CONFIG_HAVE_ARCH_KMEMCHECK=y CONFIG_STRICT_DEVMEM=y # CONFIG_X86_VERBOSE_BOOTUP is not set CONFIG_EARLY_PRINTK=y CONFIG_EARLY_PRINTK_DBGP=y -CONFIG_DEBUG_STACKOVERFLOW=y -CONFIG_DEBUG_STACK_USAGE=y -# CONFIG_DEBUG_PER_CPU_MAPS is not set -CONFIG_X86_PTDUMP=y -CONFIG_DEBUG_RODATA=y -CONFIG_DEBUG_RODATA_TEST=y -CONFIG_DEBUG_NX_TEST=m -# CONFIG_IOMMU_DEBUG is not set # CONFIG_IOMMU_STRESS is not set CONFIG_HAVE_MMIOTRACE_SUPPORT=y CONFIG_IO_DELAY_TYPE_0X80=0 @@ -4214,15 +4133,13 @@ # CONFIG_IO_DELAY_UDELAY is not set # CONFIG_IO_DELAY_NONE is not set CONFIG_DEFAULT_IO_DELAY_TYPE=0 -CONFIG_DEBUG_BOOT_PARAMS=y -# CONFIG_CPA_DEBUG is not set CONFIG_OPTIMIZE_INLINING=y # # Security options # CONFIG_KEYS=y -CONFIG_KEYS_DEBUG_PROC_KEYS=y +# CONFIG_KEYS_DEBUG_PROC_KEYS is not set CONFIG_SECURITY=y CONFIG_SECURITYFS=y CONFIG_SECURITY_NETWORK=y _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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