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[Xen-API] cross-domain RRD


  • To: "xen-api@xxxxxxxxxxxxx" <xen-api@xxxxxxxxxxxxx>
  • From: Dave Scott <Dave.Scott@xxxxxxxxxxxxx>
  • Date: Fri, 9 Nov 2012 10:06:54 +0000
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Delivery-date: Fri, 09 Nov 2012 10:07:22 +0000
  • List-id: User and development list for XCP and XAPI <xen-api.lists.xen.org>
  • Thread-index: Ac2+YcYlf6MO6y+vQ3mocAa7HOvvJw==
  • Thread-topic: cross-domain RRD

Hi,

Is someone working on cross-domain RRDs for gathering performance stats from 
driver domains? They might be interested in the following improvement in ocaml 
4:

http://caml.inria.fr/mantis/print_bug_page.php?bug_id=5543

In 3.12.1 you can't use the bigarray/mmap functionality on a shared memory 
page, because the library contains a call to lstat(). This has now been removed 
so it works as expected. As well as System V shared memory, this should work 
for memory mapped via gntdev.

Cheers,
Dave



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