similar to: [RFC] pvops domain0 Cx/Px info parser patch

Hello, The following patches are a solution to a problem we have encountered when using the Xen hypervisor: - Need Pxx/Cxx states to save on power consumption when using Xen (we do want those datacenters to consume less power!), - Also need to figure out the Turbo mode so that the scheduler can properly boost a core for CPU bound guests. In essence the Xen hypervisor requires that

Enable Px/Cx related CPUID/MSR bits for dom0 to get correct Px/Cx info. Signed-off-by: Wei Gang <gang.wei@intel.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

Hi, Is there any documentation on enabling hypervisor support for both C and P-state control? On xen-unstable and linux-2.6.18-xen.hg, if I enable cpuidle=1 on the xen command line and then run xenpm, I will get output for C-states (shown below) but it complains that "Xen cpufreq is not enabled!" cpu id : 0 total C-states : 2 idle time(ms) : 73264 C0

Hi, If we want to use ACPI power saving(Cx/Px), how do we use them? I tried to turn CONFIG_xxxx of cpufreq on with linux-2.6.18-xen.hg, but I couldn''t turn them on. Also xenpm said the following error. # xenpm get-cpuidle-states Xen cpuidle is not enabled! # xenpm get-cpufreq-states Xen cpufreq is not enabled! What should I do? If there are some good documents, please tell me. Best

it seems getting lost, and thus resend. Thanks, Kevin -----Original Message----- From: Tian, Kevin Sent: 2008年7月24日 8:39 To: ''Jan Beulich'' Cc: Liu, Jinsong; Keir Fraser; xen-devel@lists.xensource.com; mark.langsdorf@amd.com Subject: RE: [Xen-devel] cpufreq info propagation >From: Jan Beulich >Sent: 2008年7月23日 18:13 >> >>startup info is viable. But how

This changeset reverts two previous corrections, for reasons that escape me. First, the domain map is again being confined to NR_CPUS, which I had submitted a patch to fix recently (yes, I realize the code has a TODO in there, but those really get forgotten about far too often). Second, the platform hypercall was reverted back to require all information to be passed to Xen in one chunk, whereas

Now that I finally got around to update our sources, I had a closer look at those changes, and apart from stylistic issues on the Linux side (part of which I may have asked for, but the result was somewhat overdone so the code is hardly legible now - I''ve got a patch queued to streamline this a little) I find it rather odd (fragile) that the who-is-in-charge information gets propagated

My domain0 cannot go to Internet while domainU can ,anyone one know how to solve it? I post the information I get when typing "ifconfig -a,route -n ,brctl show." here is the link :http://pastebin.ca/1506798.Anyone who can help me? -- God more,self less. _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com

My domain0 cannot go to Internet while domainU can ,anyone one know how to solve it? I post the information I get when typing "ifconfig -a,route -n ,brctl show." here is the link :http://pastebin.ca/1506798.Anyone who can help me? -- God more,self less. _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com

Cpufreq: prevent negative px resident time, add spinlock to avoid race Due to NOW() value may drift between different cpus, we add protection to prevent negative px resident time. Due to both cpufreq logic and xenpm may race accessing cpufreq_statistic_data, we add spinlock to avoid race. Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com> _______________________________________________

Hi, Can someone interpret how HVM guest communicate with domain0, as i know, H VM can not use event channel directly, is the platform-pci offer a way to solve this? Please try to explain concretely, for example : 1.how does HVM send a event to domain0, how does domain0 catch this event, and assoicate it with a handler 2.the opposite direction, how does domain0 send event to HVM guest? Does it

These two patches are pulled from linux kernel upstream, to allow ACPICA corretly parse cpufreq info from some non-standard BIOS. We find current cpufreq in Xen does not work correctly in some machine, and these two patch fix this issue. commit 24058054d781934df526be114c612cf2b29cf4e7 Author: Bob Moore <robert.moore@intel.com> Date: Fri Feb 2 19:48:18 2007 +0300 ACPICA: Handle

Hi! I have a opteron machine running in 64bit mode. I would like to set up a Domain0 at 64bit and run 32bit domainU''s on top to use with other 32bit domains in regular x86 boxes for clustering.. Is this scenario possible, considering the use of Xen3 ? TIA -- Miguel Sousa Filipe _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com

Hola: Posteo este asunto en la lista porque me consta que los "padres" del paquete pxR (por el que les estoy enormemente agradecido) son asiduos de ella y nos aclaran a muchos novatos como yo un montón de dudas de R. Si prefieren que tratemos este asunto de forma menos "publica" no tienen mas que decirlo. Bueno al turrón (nunca mejor dicho)!!! Estoy montando una serie de

Xentop encounters error in pv-ops domain0, because the VBD path in sysfs changes to "/sys/devices" Also delete the macro in xenstat_netbsd.c, because it is not used. Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com> Best Regards, -- Dongxiao _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com

I have a problem with SATA disk. Once, i start up my system (1 domain0 and 2 domainU on the same machine), it is good. But, where some of them have high traffic and thus require high disk usage i get this error in dom0''s dmesg: ATA: abnormal status 0xD0 on port 0x9F7 ATA: abnormal status 0xD0 on port 0x9F7 ATA: abnormal status 0xD0 on port 0x9F7 ata1: command 0x35 timeout, stat 0xd0

Hi, I recently subscribed to xen-users asking about a powernow-k8 problem, but in the meantime I am not sure if the users-list was the right place for it. So I decided to repeat my question here ;-) My current config is attached. --- snip --- Hi, I recently installed Xen on my AMD64 for my first time and so far, everything seems to work pretty fine. :-) I tried to enable cpu frequency

Existing credit scheduler is not power aware. To achieve better power saving ability with negligible performance impact, following areas may be tweaked and listed here for comments first. Goal is not to silly save power with sacrifice of performance, e.g. we don''t want to prevent migration when there''re free cpus with some pending runqueues. But when free computing power is

Hello, I recently tried Xen 3.0.3-testing on my 2x Opteron-244 SMP machine. Everything works well exept one detail, which is not unimportant to me: the powernow-k8 driver fails to switch frequencies. A closer look on the powernow-k8 source reveals, that some MSR write operations seem to be without any effect. A rdmsr() before and after the wrmsr() call reveals that no real change on the register

Hi, i''m not sure if i understood the new acpi xen cpufreq driver - here''s the output when loading xen_acpi_processor module in linux 3.4: dom0 dmesg: [ 32.728151] xen-acpi-processor: (CX): Hypervisor error (-22) for ACPI CPU8 [ 32.728156] xen-acpi-processor: (CX): Hypervisor error (-22) for ACPI CPU9 [ 32.728160] xen-acpi-processor: (CX): Hypervisor error (-22) for