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xen-devel
RE: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid bi
To: |
"Tian, Kevin" <kevin.tian@xxxxxxxxx>, 'Keir Fraser' <keir.fraser@xxxxxxxxxxxxx>, "Wei, Gang" <gang.wei@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
Subject: |
RE: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus |
From: |
"Tian, Kevin" <kevin.tian@xxxxxxxxx> |
Date: |
Fri, 5 Dec 2008 18:05:40 +0800 |
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Fri, 05 Dec 2008 02:06:30 -0800 |
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[Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus |
>From: Tian, Kevin
>Sent: Friday, December 05, 2008 6:00 PM
>
>Then if we agree always aligning TSC to absolute platform timer
>counter, it doesn't make difference to use cpu_khz or local tsc_scale
>since both are using scale factor calculated within a small period
>to represent the underlying crystal frequency.
>
Let me hold back above words. As you said, cpu_khz has lower accuracy
by cutting down lowest bits.
Thanks,
Kevin
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- [Xen-devel] [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Wei, Gang
- [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Keir Fraser
- [Xen-devel] RE: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Wei, Gang
- RE: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Tian, Kevin
- RE: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus,
Tian, Kevin <=
- Re: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Keir Fraser
- RE: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Tian, Kevin
- Re: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Keir Fraser
- RE: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Wei, Gang
- Re: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Keir Fraser
- RE: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Wei, Gang
- Re: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Keir Fraser
- RE: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Wei, Gang
- Re: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Keir Fraser
- RE: [Xen-devel] Re: [PATCH] CPUIDLE: revise tsc-save/restore to avoid big tsc skew between cpus, Wei, Gang
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