Rafael J. Wysocki wrote: > This message has been generated automatically as a part of a report > of recent regressions. > > The following bug entry is on the current list of known regressions > from 2.6.26. Please verify if it still should be listed and let me know > (either way). > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11308 > Subject : tbench regression on each kernel release from 2.6.22 -> 2.6.28 > Submitter : Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx> > Date : 2008-08-11 18:36 (33 days old) > References : http://marc.info/?l=linux-kernel&m=121847986119495&w=4 > > > tbench 2.6.27-rc6 2760 MB/sec 2.6.22 3235.47 MB/sec diff on the .config files for each (took .22 config and did a make oldconfig) --- /boot/config-2.6.22.1-4U4JUMP1.12 2008-01-22 08:06:38.000000000 -0600 +++ .config 2008-09-12 16:33:52.000000000 -0500 @@ -1,55 +1,89 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.22.1-4U4JUMP1.12 -# Mon Jan 21 16:05:52 2008 +# Linux kernel version: 2.6.27-rc6 +# Fri Sep 12 16:33:52 2008 # +# CONFIG_64BIT is not set CONFIG_X86_32=y +# CONFIG_X86_64 is not set +CONFIG_X86=y +CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig" +# CONFIG_GENERIC_LOCKBREAK is not set CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_CLOCKSOURCE_WATCHDOG=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_STACKTRACE_SUPPORT=y -CONFIG_SEMAPHORE_SLEEPERS=y -CONFIG_X86=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_FAST_CMPXCHG_LOCAL=y CONFIG_MMU=y CONFIG_ZONE_DMA=y -CONFIG_QUICKLIST=y CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y CONFIG_GENERIC_BUG=y CONFIG_GENERIC_HWEIGHT=y +# CONFIG_GENERIC_GPIO is not set CONFIG_ARCH_MAY_HAVE_PC_FDC=y -CONFIG_DMI=y +# CONFIG_RWSEM_GENERIC_SPINLOCK is not set +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +# CONFIG_GENERIC_TIME_VSYSCALL is not set +CONFIG_ARCH_HAS_CPU_RELAX=y +CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y +CONFIG_HAVE_SETUP_PER_CPU_AREA=y +# CONFIG_HAVE_CPUMASK_OF_CPU_MAP is not set +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +# CONFIG_ZONE_DMA32 is not set +CONFIG_ARCH_POPULATES_NODE_MAP=y +# CONFIG_AUDIT_ARCH is not set +CONFIG_ARCH_SUPPORTS_AOUT=y +CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_GENERIC_PENDING_IRQ=y +CONFIG_X86_SMP=y +CONFIG_X86_32_SMP=y +CONFIG_X86_HT=y +CONFIG_X86_BIOS_REBOOT=y +CONFIG_X86_TRAMPOLINE=y +CONFIG_KTIME_SCALAR=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # -# Code maturity level options +# General setup # CONFIG_EXPERIMENTAL=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 - -# -# General setup -# CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y -# CONFIG_IPC_NS is not set CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set -# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=18 -# CONFIG_CPUSETS is not set +# CONFIG_CGROUPS is not set +CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y +# CONFIG_GROUP_SCHED is not set CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y # CONFIG_RELAY is not set +CONFIG_NAMESPACES=y +# CONFIG_UTS_NS is not set +# CONFIG_IPC_NS is not set +# CONFIG_USER_NS is not set +# CONFIG_PID_NS is not set CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y @@ -64,6 +98,8 @@ CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y +CONFIG_PCSPKR_PLATFORM=y +CONFIG_COMPAT_BRK=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_ANON_INODES=y @@ -76,28 +112,40 @@ CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set +CONFIG_PROFILING=y +# CONFIG_MARKERS is not set +CONFIG_OPROFILE=y +CONFIG_HAVE_OPROFILE=y +CONFIG_KPROBES=y +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_KRETPROBES=y +CONFIG_HAVE_IOREMAP_PROT=y +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +# CONFIG_HAVE_ARCH_TRACEHOOK is not set +# CONFIG_HAVE_DMA_ATTRS is not set +CONFIG_USE_GENERIC_SMP_HELPERS=y +# CONFIG_HAVE_CLK is not set +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 - -# -# Loadable module support -# CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set -# CONFIG_KMOD is not set +CONFIG_KMOD=y CONFIG_STOP_MACHINE=y - -# -# Block layer -# CONFIG_BLOCK=y CONFIG_LBD=y # CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set # # IO Schedulers @@ -111,6 +159,7 @@ # CONFIG_DEFAULT_CFQ is not set # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" +CONFIG_CLASSIC_RCU=y # # Processor type and features @@ -118,17 +167,23 @@ CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_SMP=y +CONFIG_X86_FIND_SMP_CONFIG=y +CONFIG_X86_MPPARSE=y # CONFIG_X86_PC is not set # CONFIG_X86_ELAN is not set # CONFIG_X86_VOYAGER is not set +CONFIG_X86_GENERICARCH=y # CONFIG_X86_NUMAQ is not set # CONFIG_X86_SUMMIT is not set -# CONFIG_X86_BIGSMP is not set -# CONFIG_X86_VISWS is not set -CONFIG_X86_GENERICARCH=y # CONFIG_X86_ES7000 is not set -# CONFIG_PARAVIRT is not set +# CONFIG_X86_BIGSMP is not set +# CONFIG_X86_VSMP is not set +# CONFIG_X86_RDC321X is not set +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +# CONFIG_PARAVIRT_GUEST is not set +# CONFIG_MEMTEST is not set CONFIG_X86_CYCLONE_TIMER=y # CONFIG_M386 is not set # CONFIG_M486 is not set @@ -139,7 +194,6 @@ # CONFIG_MPENTIUMII is not set # CONFIG_MPENTIUMIII is not set # CONFIG_MPENTIUMM is not set -CONFIG_MCORE2=y # CONFIG_MPENTIUM4 is not set # CONFIG_MK6 is not set # CONFIG_MK7 is not set @@ -154,33 +208,34 @@ # CONFIG_MCYRIXIII is not set # CONFIG_MVIAC3_2 is not set # CONFIG_MVIAC7 is not set +# CONFIG_MPSC is not set +CONFIG_MCORE2=y +# CONFIG_GENERIC_CPU is not set CONFIG_X86_GENERIC=y +CONFIG_X86_CPU=y CONFIG_X86_CMPXCHG=y -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html