Re: 2.6.1 slower than 2.4, smp/scsi/sw-raid/reiserfs

[Philip Martin]

Nick Piggin <piggin@xxxxxxxxxxxxxxx> writes:

> OK now thats strange - you're definitely compiling the same kernel
> with the same .config and compiler?

It's definitely the same compiler (Debian's 2.95.4).  I think the 2.4
and 2.6 configs have to be different, but they are similar, these are
the differences

 < in 2.4
 > in 2.6

 < CONFIG_AUTOFS4_FS=y
 > CONFIG_BLK_DEV_CRYPTOLOOP=m
 > CONFIG_BLK_DEV_IDECD=m
 < CONFIG_BLK_DEV_IDE_MODES=y
 > CONFIG_CLEAN_COMPILE=y
 > CONFIG_CRC32=m
 > CONFIG_CRYPTO=y
 > CONFIG_DUMMY_CONSOLE=y
 > CONFIG_EPOLL=y
 > CONFIG_EXPORTFS=m
 > CONFIG_FB=y
 > CONFIG_FB_ATY=m
 > CONFIG_FB_ATY_CT=y
 < CONFIG_FILTER=y
 > CONFIG_FUTEX=y
 > CONFIG_GENERIC_ISA_DMA=y
 < CONFIG_HFSPLUS_FS=m
 > CONFIG_HW_CONSOLE=y
 > CONFIG_INPUT=y
 > CONFIG_INPUT_KEYBOARD=y
 > CONFIG_INPUT_MOUSE=y
 > CONFIG_INPUT_MOUSEDEV=y
 > CONFIG_INPUT_MOUSEDEV_PSAUX=y
 > CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
 > CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 > CONFIG_IOSCHED_AS=y
 > CONFIG_IOSCHED_DEADLINE=y
 > CONFIG_IOSCHED_NOOP=y
 > CONFIG_KALLSYMS=y
 < CONFIG_KCORE_ELF=y
 > CONFIG_KEYBOARD_ATKBD=y
 < CONFIG_LOG_BUF_SHIFT=0
 > CONFIG_LOG_BUF_SHIFT=15
 > CONFIG_MII=m
 > CONFIG_MMU=y
 > CONFIG_MOUSE_SERIAL=y
 > CONFIG_OBSOLETE_MODPARM=y
 > CONFIG_PC=y
 > CONFIG_PREEMPT=y
 > CONFIG_PROC_KCORE=y
 > CONFIG_SCSI_PROC_FS=y
 < CONFIG_SD_EXTRA_DEVS=40
 < CONFIG_SERIAL=y
 > CONFIG_SERIAL_8250=y
 > CONFIG_SERIAL_8250_NR_UARTS=4
 > CONFIG_SERIAL_CORE=y
 > CONFIG_SERIO=y
 > CONFIG_SERIO_I8042=y
 > CONFIG_SERIO_SERPORT=y
 > CONFIG_SOUND_GAMEPORT=y
 < CONFIG_SR_EXTRA_DEVS=2
 > CONFIG_STANDALONE=y
 > CONFIG_SWAP=y
 > CONFIG_X86_BIOS_REBOOT=y
 > CONFIG_X86_EXTRA_IRQS=y
 < CONFIG_X86_F00F_WORKS_OK=y
 > CONFIG_X86_FIND_SMP_CONFIG=y
 < CONFIG_X86_HAS_TSC=y
 > CONFIG_X86_HT=y
 > CONFIG_X86_INTEL_USERCOPY=y
 > CONFIG_X86_MPPARSE=y
 > CONFIG_X86_PC=y
 < CONFIG_X86_PGE=y
 > CONFIG_X86_SMP=y
 > CONFIG_X86_TRAMPOLINE=y



-- 
Philip Martin
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