From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH v3 15/28] x86/cpu: Sysctl and common infrastructure for levelling context switching Date: Tue, 22 Mar 2016 10:16:35 -0600 Message-ID: <56F17DF302000078000DF4D0@prv-mh.provo.novell.com> References: <1458056124-8024-1-git-send-email-andrew.cooper3@citrix.com> <1458056124-8024-16-git-send-email-andrew.cooper3@citrix.com> <56F02E0802000078000DEF37@prv-mh.provo.novell.com> <56F16B80.9000908@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <56F16B80.9000908@citrix.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrew Cooper Cc: Xen-devel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDIyLjAzLjE2IGF0IDE2OjU3LCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gT24gMjEvMDMvMTYgMTY6MjMsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+PiBPbiAxNS4w My4xNiBhdCAxNjozNSwgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4gLS0t IGEveGVuL2FyY2gveDg2L2NwdS9jb21tb24uYwo+Pj4gKysrIGIveGVuL2FyY2gveDg2L2NwdS9j b21tb24uYwo+Pj4gQEAgLTM2LDYgKzM2LDEyIEBAIGludGVnZXJfcGFyYW0oImNwdWlkX21hc2tf ZXh0X2VjeCIsIAo+Pj4gb3B0X2NwdWlkX21hc2tfZXh0X2VjeCk7Cj4+PiAgdW5zaWduZWQgaW50 IG9wdF9jcHVpZF9tYXNrX2V4dF9lZHggPSB+MHU7Cj4+PiAgaW50ZWdlcl9wYXJhbSgiY3B1aWRf bWFza19leHRfZWR4Iiwgb3B0X2NwdWlkX21hc2tfZXh0X2VkeCk7Cj4+PiAgCj4+PiArdW5zaWdu ZWQgaW50IF9faW5pdGRhdGEgZXhwZWN0ZWRfbGV2ZWxsaW5nX2NhcDsKPj4gRXNwZWNpYWxseSBm b3IgYW4gX19pbml0ZGF0YSBpdGVtIHRvIGJlIG5vbi1zdGF0aWMsIGl0cyB1c2Uocykgc2hvdWxk Cj4+IGJlIHZpc2libGUgaW4gYSBwYXRjaCBhZGRpbmcgc3VjaCBhIHZhcmlhYmxlLgo+IAo+IEZy b20gdGhlIGNvbW1pdCBtZXNzYWdlOgo+PiBUaGlzIGludGVyZmFjZSB3aWxsIGN1cnJlbnRseSBy ZXBvcnQgbm8gY2FwYWJpbGl0aWVzLiAgVGhpcyBjaGFuZ2UgaXMKPj4gc2NhZmZvbGRpbmcgZm9y IGZ1dHVyZSBwYXRjaGVzLCB3aGljaCB3aWxsIGludHJvZHVjZSBkZXRlY3Rpb24gYW5kIHN3aXRj aGluZwo+PiBsb2dpYywgYWZ0ZXIgd2hpY2ggdGhlIGludGVyZmFjZSB3aWxsIHJlcG9ydCBoYXJk d2FyZSBjYXBhYmlsaXRpZXMgCj4gY29ycmVjdGx5Lgo+IAo+IFRoaXMgaXMgc3BlY2lmaWNhbGx5 IHRvIHJlZHVjZSB0aGUgY29tcGxleGl0eSBvZiB0aGUgZm9sbG93aW5nIHBhdGNoZXMuIAo+IEhv dyBtdWNoIG1vcmUgY2xlYXJseSBkbyB5b3Ugd2FudCB0aGlzIHN0YXRpbmc/CgpUaGUgcHJvYmxl bSBpc24ndCB0aGF0IHRoaXMgd2Fzbid0IHN0YXRlZCwgYnV0IHRoYXQgKGFzIHNhaWQpIG5hbWVs eQpmb3IgX19pbml0ZGF0YSBvYmplY3RzLCB3aGljaCBwdXQgcmVzdHJpY3Rpb25zIG9uIHdoZXJl IHVzZSBvZiB0aGVtCmlzIHZhbGlkLCBpbnRyb2R1Y2luZyB0aGVtIGluIG9uZSBwYXRjaCBhbmQg YWRkaW5nIHVzZXMgb25seSBsYXRlciBpcwpkaWZmaWN1bHQgdG8gcmV2aWV3LiBRdWl0ZSBhIGJp dCBtb3JlIGRpZmZpY3VsdCB0aGFuIGlmIHN1Y2ggdmFyaWFibGVzCmdvdCBhZGRlZCBvbmx5IG9u Y2UgbmVlZGVkICh3aGljaCAiYmxvYXRzIiB0aGUgYWZmZWN0ZWQgcGF0Y2ggYnkKanVzdCBhIGhh bmRmdWwgb2YgbGluZXMgYXQgbW9zdCkuCgpCdXQgYW55d2F5LCBJJ3ZlIGdvdCB0aHJvdWdoIGl0 LCBhbmQgSSdtIG5vdCBpbnNpc3Rpbmcgb24gdGhpcyBuZWVkaW5nCnRvIGNoYW5nZS4gSSBtZXJl bHkgd2FudGVkIHRvIHBvaW50IG91dCB0aGF0IHdoaWxlIHRoZXJlIGFyZSBjYXNlcwp3aGVyZSBp dCdzIHJlYXNvbmFibGUgdG8gYWRkIHVudXNlZCBvYmplY3RzIG9yIGZ1bmN0aW9ucyB0byBtYWtl CmxhdGVyIHN0dWZmIGVhc2llciB0byByZXZpZXcsIEkgZG9uJ3QgdGhpbmsgdGhpcyBpcyBzdWNo IGEgY2FzZSAoYXQgbGVhc3QKbm90IGFzIGZhciBhcyB0aGUgdmFyaWFibGVzIGhlcmUgYXJlIGNv bmNlcm5lZCkuCgpKYW4KCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0 dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=