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  14. Oct 05, 2010
    • Miguel Di Ciurcio Filho's avatar
      kvm: Introduce support for -mem-path · 4f958b0b
      Miguel Di Ciurcio Filho authored
      
      Using hugepages, KVM instances can get a good performance boost. To
      activate that, we need to pass the -mem-path argument to KVM along with
      the mount point of the hugetlbfs file system on the node.
      
      For the sake of memory availability computation, we use the -mem-prealloc
      argument when enabling hugepages, so KVM will reserve all hugepages it
      needs when it starts. This avoids allocating an instance on a node that
      will not have enough pages in case other instance needs more than what
      is available after it boots.
      
      Signed-off-by: default avatarMiguel Di Ciurcio Filho <miguel.filho@gmail.com>
      Reviewed-by: default avatarGuido Trotter <ultrotter@google.com>
      4f958b0b
  15. Sep 30, 2010
  16. Sep 20, 2010
  17. Sep 16, 2010
  18. Sep 14, 2010
  19. Aug 27, 2010
  20. Aug 24, 2010
    • Michael Hanselmann's avatar
      Add simple lock monitor · 19b9ba9a
      Michael Hanselmann authored
      
      This patch adds an initial implementation of a lock monitor, accessible
      for the user through “gnt-debug locks”. It currently shows all resource
      locks: BGL, nodes and instances. Config and job queue locks could be
      shown too, but wouldn't be of much help.  The current owner(s) and mode
      are also shown.
      
      Showing pending acquires will require further changes on the SharedLock
      internals and is not yet implemented.
      
      Example output:
      $ gnt-debug locks -o name,mode,owner
      Name            Mode      Owner
      BGL/BGL         shared    JobQueue19/Job147
      instances/inst1 exclusive JobQueue19/Job147
      instances/inst2 -         -
      instances/inst3 -         -
      instances/inst4 -         -
      nodes/node1     exclusive JobQueue19/Job147
      nodes/node2     exclusive JobQueue19/Job147
      
      Signed-off-by: default avatarMichael Hanselmann <hansmi@google.com>
      Reviewed-by: default avatarGuido Trotter <ultrotter@google.com>
      Reviewed-by: default avatarIustin Pop <iustin@google.com>
      19b9ba9a
  21. Aug 23, 2010
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