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sysfs-devices-cache_disable

sysfs-devices-cache_disable 874 B
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  1. What:      /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X
    2. 

  2. Date:      August 2008
    3. 

  3. KernelVersion:	2.6.27
    4. 

  4. Contact:	mark.langsdorf@amd.com
    5. 

  5. Description:	These files exist in every cpu's cache index directories.
    6. 

  6. 		There are currently 2 cache_disable_# files in each
    7. 

  7. 		directory.  Reading from these files on a supported
    8. 

  8. 		processor will return that cache disable index value
    9. 

  9. 		for that processor and node.  Writing to one of these
    10. 

  10. 		files will cause the specificed cache index to be disabled.
    11. 

  11. 

  12. 		Currently, only AMD Family 10h Processors support cache index
    13. 

  13. 		disable, and only for their L3 caches.  See the BIOS and
    14. 

  14. 		Kernel Developer's Guide at
    15. 

  15. 		http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/31116-Public-GH-BKDG_3.20_2-4-09.pdf
    16. 

  16. 		for formatting information and other details on the
    17. 

  17. 		cache index disable.
    18. 

  18. Users:    joachim.deguara@amd.com
    19.