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runtime: qemu: reduce boot time and memory footprint

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The linux kernel feature RANDOMIZE_BASE improved the security and at
the same time increased the memory footprint of a kata container,
this feature was enabled in kata-containers/packaging#1006.
In order to mitigate this increase in memory consumption, we can
boot container using the uncompressed kernel.

Reduce boot time by ~5%
Reduce KSM memory footprint by ~14%
Reduce noKSM memory footprint by ~27%

fixes #669

Signed-off-by: Julio Montes <julio.montes@intel.com>
This commit is contained in:
Julio Montes 2020-09-03 14:00:01 -05:00
parent 6e54767344
commit 0be02a8fd3
1 changed files with 1 additions and 0 deletions
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src/runtime/Makefile
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@ -239,6 +239,7 @@ ifneq (,$(QEMUCMD))
# qemu-specific options (all should be suffixed by "_QEMU") # qemu-specific options (all should be suffixed by "_QEMU")
DEFBLOCKSTORAGEDRIVER_QEMU := virtio-scsi DEFBLOCKSTORAGEDRIVER_QEMU := virtio-scsi
DEFNETWORKMODEL_QEMU := tcfilter DEFNETWORKMODEL_QEMU := tcfilter
KERNELTYPE = uncompressed
KERNELNAME = $(call MAKE_KERNEL_NAME,$(KERNELTYPE)) KERNELNAME = $(call MAKE_KERNEL_NAME,$(KERNELTYPE))
KERNELPATH = $(KERNELDIR)/$(KERNELNAME) KERNELPATH = $(KERNELDIR)/$(KERNELNAME)
endif endif