very common kernel modules slow down the boot process

Harald Hoyer harald at redhat.com
Wed Apr 2 06:13:04 UTC 2008


39 seconds: vanilla fedora kernel --without debug

38 seconds:
-dm_mirror
-dm_mod
-dm_multipath
-dm_snapshot
-dm_zero


34 seconds:
-dm_mirror
-dm_mod
-dm_multipath
-dm_snapshot
-dm_zero
-libata
-pata_acpi
-scsi_mod
-ata_generic
-ata_piix


36 seconds:
-libata
-pata_acpi
-scsi_mod
-sd_mod
-sg

3 seconds for 5 modules we need in 90% of all cases is not bad.

+1 for a kernel builtin of:
-libata
-pata_acpi
-scsi_mod
-sd_mod
-sg




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