rawhide ext4/virtio FS performance hit (10x slower) ?

[Reindl Harald]

Am 12.05.2012 23:38, schrieb drago01:
>> I've just rerun the test with 3.4.0-0.rc6.git1.1.fc18.x86_64,
> 
> This one has debug options enabled; 3.4.0-0.rc6.git0.1 is the one
> without debug options.

how can someone find out if it is a debug-kernel?
even the satble ones seems to have a ton of debug options enabled
especially "CONFIG_DEBUG_KERNEL=y"

[root at srv-rhsoft:/boot]$ cat config-3.3.5-2.fc16.x86_64 | grep -i debug | grep "=y"
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_SLUB_DEBUG=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_XEN_DEBUG_FS=y
CONFIG_X86_DEBUGCTLMSR=y
CONFIG_PM_DEBUG=y
CONFIG_PM_ADVANCED_DEBUG=y
CONFIG_CFG80211_DEBUGFS=y
CONFIG_MAC80211_DEBUGFS=y
CONFIG_DEBUG_DEVRES=y
CONFIG_CB710_DEBUG_ASSUMPTIONS=y
CONFIG_IWMC3200TOP_DEBUGFS=y
CONFIG_DM_DEBUG=y
CONFIG_FIREWIRE_OHCI_DEBUG=y
CONFIG_MLX4_DEBUG=y
CONFIG_ATH5K_DEBUG=y
CONFIG_ATH9K_DEBUGFS=y
CONFIG_ATH6KL_DEBUG=y
CONFIG_IWLWIFI_DEBUG=y
CONFIG_IWLWIFI_DEBUGFS=y
CONFIG_IWLEGACY_DEBUG=y
CONFIG_IWLEGACY_DEBUGFS=y
CONFIG_RT2X00_LIB_DEBUGFS=y
CONFIG_SND_DEBUG=y
CONFIG_SND_PCM_XRUN_DEBUG=y
CONFIG_INFINIBAND_MTHCA_DEBUG=y
CONFIG_INFINIBAND_IPOIB_DEBUG=y
CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y
CONFIG_DRM_NOUVEAU_DEBUG=y
CONFIG_DLM_DEBUG=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_SHIRQ=y
CONFIG_SCHED_DEBUG=y
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_VM=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_DEBUG_LIST=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_RODATA=y
CONFIG_DEBUG_RODATA_TEST=y
CONFIG_DEBUG_SET_MODULE_RONX=y
CONFIG_DEBUG_BOOT_PARAMS=y
CONFIG_KEYS_DEBUG_PROC_KEYS=y

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