[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] Fix xm vcpu-pin command
Hi, When I tested xm vcpu-pin command, I encountered the following strange problem. I encountered it on x86, but I didn't encounter it on ia64. On x86: # xm vcpu-list Name ID VCPU CPU State Time(s) CPU Affinity Domain-0 0 0 0 -b- 31.3 any cpu Domain-0 0 1 1 r-- 30.1 any cpu # xm vcpu-pin Domain-0 0 64 # xm vcpu-list Name ID VCPU CPU State Time(s) CPU Affinity Domain-0 0 0 0 -b- 31.5 0 Domain-0 0 1 1 r-- 31.1 any cpu # xm vcpu-pin Domain-0 0 65 # xm vcpu-list Name ID VCPU CPU State Time(s) CPU Affinity Domain-0 0 0 1 -b- 32.0 1 Domain-0 0 1 0 r-- 31.6 any cpu On ia64: # xm vcpu-list Name ID VCPU CPU State Time(s) CPU Affinity Domain-0 0 0 0 r-- 13.2 any cpu Domain-0 0 1 1 -b- 10.8 any cpu # xm vcpu-pin Domain-0 0 64 Error: Cannot pin vcpu: 0 to cpu: [64] - (22, 'Invalid argument') Usage: xm vcpu-pin <Domain> <VCPU|all> <CPUs|all> Set which CPUs a VCPU can use. # xm vcpu-list Name ID VCPU CPU State Time(s) CPU Affinity Domain-0 0 0 0 r-- 13.5 any cpu Domain-0 0 1 1 -b- 11.0 any cpu # xm vcpu-pin Domain-0 0 65 Error: Cannot pin vcpu: 0 to cpu: [65] - (22, 'Invalid argument') Usage: xm vcpu-pin <Domain> <VCPU|all> <CPUs|all> Set which CPUs a VCPU can use. # xm vcpu-list Name ID VCPU CPU State Time(s) CPU Affinity Domain-0 0 0 0 r-- 13.7 any cpu Domain-0 0 1 1 -b- 11.3 any cpu I could not understand why the problem occurs. But I would like to solve the problem, so I send an ad hoc patch. If you can solve the problem, I hope that the problem is solved by your patch. Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx> Best regards, Kan Attachment:
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