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From: "Jan Beulich" <JBeulich@suse.com>
To: "Thimo E." <abc@digithi.de>, Yang Z Zhang <yang.z.zhang@intel.com>
Cc: Keir Fraser <keir@xen.org>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Eddie Dong <eddie.dong@intel.com>,
	Xen-develList <xen-devel@lists.xen.org>,
	Jun Nakajima <jun.nakajima@intel.com>,
	Xiantao Zhang <xiantao.zhang@intel.com>
Subject: Re: cpuidle and un-eoid interrupts at the local apic
Date: Mon, 12 Aug 2013 09:57:54 +0100	[thread overview]
Message-ID: <5208BFB202000078000EB0B8@nat28.tlf.novell.com> (raw)
In-Reply-To: <A9667DDFB95DB7438FA9D7D576C3D87E0A8E11A4@SHSMSX104.ccr.corp.intel.com>

>>> On 12.08.13 at 10:49, "Zhang, Yang Z" <yang.z.zhang@intel.com> wrote:
> 5.       Both of the log show when the issue occured, most of the other 
> interrupts which owned by dom0 were in IRQ_MOVE_PENDING status. Is it a 
> coincidence? Or it happened only on the special condition like heavy of IRQ 
> migration?Perhaps you can disable irq balance in dom0 and pin the IRQ 
> manually.

Since guest IRQs' affinities track the vCPU's placement on pCPU-s,
suppressing IRQ movement would not only require IRQ balancing
to be suppressed in the respective domain, but also that the vCPU
be bound to a single pCPU.

Jan

  reply	other threads:[~2013-08-12  8:57 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-31 20:32 cpuidle and un-eoid interrupts at the local apic Andrew Cooper
2013-06-03 14:30 ` Jan Beulich
2013-07-31  8:30 ` Thimo E.
2013-07-31  9:47   ` Andrew Cooper
2013-08-02 22:50     ` Thimo E.
2013-08-02 23:32       ` Andrew Cooper
2013-08-05 12:45         ` Jan Beulich
2013-08-05 14:51           ` Andrew Cooper
2013-08-09 21:27             ` Thimo E.
2013-08-09 21:40               ` Andrew Cooper
2013-08-09 21:44                 ` Andrew Cooper
2013-08-11 17:46                   ` Thimo E.
2013-08-12  6:02                     ` Zhang, Yang Z
2013-08-12  8:49                     ` Zhang, Yang Z
2013-08-12  8:57                       ` Jan Beulich [this message]
2013-08-12 11:52                       ` Thimo E
2013-08-12 12:04                         ` Andrew Cooper
2013-08-19 15:14                           ` Thimo E.
2013-08-20  5:43                             ` Thimo Eichstädt
2013-08-20  8:40                               ` Jan Beulich
2013-08-20  8:50                                 ` Zhang, Yang Z
2013-08-23  7:22                                   ` Thimo Eichstädt
2013-08-23  7:30                                     ` Zhang, Yang Z
2013-08-27  1:03                                     ` Zhang, Yang Z
2013-09-04 18:32                                       ` Thimo E.
2013-09-04 18:55                                         ` Andrew Cooper
2013-09-04 19:56                                           ` Thimo E.
2013-09-04 20:54                                             ` Andrew Cooper
2013-09-05  1:45                                               ` Zhang, Yang Z
2013-09-05  7:20                                                 ` Thimo E.
2013-09-05  1:15                                         ` Zhang, Yang Z
2013-09-17  2:09                                         ` Zhang, Yang Z
2013-09-17  7:39                                           ` Thimo E.
2013-09-17  7:43                                             ` Zhang, Yang Z
2013-09-17 21:04                                               ` Thimo E.
2013-09-18  1:18                                                 ` Zhang, Xiantao
2013-09-18 17:24                                                   ` Thimo E.
2013-09-18 12:06                                                 ` Andrew Cooper
2013-08-12 13:54                       ` Thimo E
2013-08-12 14:06                         ` Andrew Cooper
2013-08-13  1:43                           ` Zhang, Yang Z
2013-08-13  6:39                             ` Thimo E.
2013-08-13 11:39                         ` Wu, Feng
2013-08-13 12:46                           ` Andrew Cooper
2013-08-12  9:10                     ` Andrew Cooper
2013-08-12  5:50                 ` Zhang, Yang Z
2013-08-12  8:20               ` Jan Beulich
2013-08-12  9:28                 ` Andrew Cooper
2013-08-12 10:05                   ` Jan Beulich
2013-08-12 10:27                     ` Andrew Cooper
2013-08-14  2:53                       ` Zhang, Yang Z
2013-08-14  7:51                         ` Thimo E.
2013-08-14  9:52                         ` Andrew Cooper
2013-09-07 13:27                           ` Thimo E.
2013-09-07 17:02                             ` Andrew Cooper
2013-09-07 23:37                               ` Thimo E.
2013-09-08  9:53                                 ` Andrew Cooper
2013-09-08 10:24                                   ` Thimo E.
2013-09-09 13:16                                     ` Andrew Cooper
2013-09-09 14:48                                       ` Thimo Eichstädt
2013-09-09 15:12                                         ` Andrew Cooper
2013-09-09  7:59                               ` Jan Beulich
2013-09-09 12:53                                 ` Andrew Cooper

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