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xen-devel
[Xen-devel] Re: Performance overhead of paravirt_ops on native identifie
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To: |
"Xin, Xiaohui" <xiaohui.xin@xxxxxxxxx> |
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Subject: |
[Xen-devel] Re: Performance overhead of paravirt_ops on native identified |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Thu, 21 May 2009 21:27:38 -0700 |
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Cc: |
Nick Piggin <npiggin@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Chuck Ebbert <cebbert@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, "Li, Xin" <xin.li@xxxxxxxxx>, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx> |
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Thu, 21 May 2009 21:28:05 -0700 |
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Xin, Xiaohui wrote:
> Remember we have done one experiment with "jump", the result shows seems the
> overhead is even more than the call.
>
I don't think you had mentioned that. You're saying that a
call->jmp->ret is slower than call->call->ret->ret?
J
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- Re: [Xen-devel] Performance overhead of paravirt_ops on nativeidentified, (continued)
Re: [Xen-devel] Performance overhead of paravirt_ops on nativeidentified, Peter Zijlstra
[Xen-devel] [tip:x86/urgent] x86: Fix performance regression caused by paravirt_ops on native kernels, tip-bot for Jeremy Fitzhardinge
[Xen-devel] Re: Performance overhead of paravirt_ops on native identified, Chuck Ebbert
- [Xen-devel] Re: Performance overhead of paravirt_ops on native identified, Jeremy Fitzhardinge
- [Xen-devel] Re: Performance overhead of paravirt_ops on native identified, H. Peter Anvin
- [Xen-devel] RE: Performance overhead of paravirt_ops on native identified, Xin, Xiaohui
- [Xen-devel] Re: Performance overhead of paravirt_ops on native identified, H. Peter Anvin
- [Xen-devel] Re: Performance overhead of paravirt_ops on native identified,
Jeremy Fitzhardinge <=
- [Xen-devel] RE: Performance overhead of paravirt_ops on native identified, Xin, Xiaohui
- [Xen-devel] Re: Performance overhead of paravirt_ops on native identified, H. Peter Anvin
- [Xen-devel] Re: Performance overhead of paravirt_ops on native identified, Jeremy Fitzhardinge
- [Xen-devel] Re: Performance overhead of paravirt_ops on native identified, H. Peter Anvin
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