[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-bugs] [Bug 1784] New: Poor performance when do guest save/restore and migration with linux 3.1 dom0
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1784 Summary: Poor performance when do guest save/restore and migration with linux 3.1 dom0 Product: Xen Version: unstable Platform: x86-64 OS/Version: Linux Status: NEW Severity: normal Priority: P2 Component: HVM AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx ReportedBy: xudong.hao@xxxxxxxxx Environment: ------------ Service Arch (ia32/ia32e/IA64): ia32e Guest Arch (ia32/ia32e/IA64): ia32e Guest OS Type (Linux/Windows): RHEL6u1 Change Set: 23791 Dom0 commit: linux upstream 3.1.0-rc3 671ee7f0ce62e4b991b47fcf1c161c3f710dabbc Hardware: Westmere-EP Other: Bug detailed description: -------------------------- I create a rhel6u1 guest, then do the save/restore and migration, it takes quite a lot of time to finish the process. The network works well after the save/restore and migration. please see the performance comparison between linux pvops 2.6.32 and 3.1.0-rc3 as below. Data below is based on WSM-EP ============================================================== kernel version save restore migration ============================================================== vmlinux-2.6-xen 19s 14s 30s vmlinux-3.1.0-rc3+ 54s 26s 75s ============================================================== Reproduce steps: ---------------- 1. create a guest 2. do the save/restore or migration -- Configure bugmail: http://bugzilla.xensource.com/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. _______________________________________________ Xen-bugs mailing list Xen-bugs@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-bugs
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