From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Dunlap Subject: Re: [PATCH v5 for Xen 4.7 1/4] xen: enable per-VCPU parameter settings for RTDS scheduler Date: Wed, 2 Mar 2016 14:06:02 +0000 Message-ID: <56D6F34A.4030908@citrix.com> References: <1454626244-5511-1-git-send-email-lichong659@gmail.com> <1454626244-5511-2-git-send-email-lichong659@gmail.com> <1455041856.3148.103.camel@citrix.com> <56D6FA8602000078000D8567@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <56D6FA8602000078000D8567@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich , Chong Li Cc: Chong Li , Sisu Xi , George Dunlap , Dario Faggioli , xen-devel , Meng Xu , Dagaen Golomb List-Id: xen-devel@lists.xenproject.org T24gMDIvMDMvMTYgMTM6MzYsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDAxLjAzLjE2IGF0 IDE4OjU4LCA8bGljaG9uZzY1OUBnbWFpbC5jb20+IHdyb3RlOgo+PiBPbiBUdWUsIEZlYiA5LCAy MDE2IGF0IDEyOjE3IFBNLCBEYXJpbyBGYWdnaW9saQo+PiA8ZGFyaW8uZmFnZ2lvbGlAY2l0cml4 LmNvbT4gd3JvdGU6Cj4+PiBPbiBUaHUsIDIwMTYtMDItMDQgYXQgMTY6NTAgLTA2MDAsIENob25n IExpIHdyb3RlOgo+Pj4+IC0tLSBhL3hlbi9jb21tb24vc2NoZWRfcnQuYwo+Pj4+ICsrKyBiL3hl bi9jb21tb24vc2NoZWRfcnQuYwo+Pgo+Pj4KPj4+PiArICAgICAgICBmb3IgKCBpbmRleCA9IG9w LT51LnYudmNwdV9pbmRleDsgaW5kZXggPCBvcC0+dS52Lm5yX3ZjcHVzOwo+Pj4+IGluZGV4Kysg KQo+Pj4+ICsgICAgICAgIHsKPj4+PiArICAgICAgICAgICAgc3Bpbl9sb2NrX2lycXNhdmUoJnBy di0+bG9jaywgZmxhZ3MpOwo+Pj4+ICsgICAgICAgICAgICBpZiAoIGNvcHlfZnJvbV9ndWVzdF9v ZmZzZXQoJmxvY2FsX3NjaGVkLAo+Pj4+ICsgICAgICAgICAgICAgICAgICAgICAgICAgIG9wLT51 LnYudmNwdXMsIGluZGV4LCAxKSApCj4+Pj4gKyAgICAgICAgICAgIHsKPj4+PiArICAgICAgICAg ICAgICAgIHJjID0gLUVGQVVMVDsKPj4+PiArICAgICAgICAgICAgICAgIHNwaW5fdW5sb2NrX2ly cXJlc3RvcmUoJnBydi0+bG9jaywgZmxhZ3MpOwo+Pj4+ICsgICAgICAgICAgICAgICAgYnJlYWs7 Cj4+Pj4gKyAgICAgICAgICAgIH0KPj4+PiArICAgICAgICAgICAgaWYgKCBsb2NhbF9zY2hlZC52 Y3B1aWQgPj0gZC0+bWF4X3ZjcHVzIHx8Cj4+Pj4gKyAgICAgICAgICAgICAgICAgICAgICAgICAg ZC0+dmNwdVtsb2NhbF9zY2hlZC52Y3B1aWRdID09IE5VTEwgKQo+Pj4+ICsgICAgICAgICAgICB7 Cj4+Pj4gKyAgICAgICAgICAgICAgICByYyA9IC1FSU5WQUw7Cj4+Pj4gKyAgICAgICAgICAgICAg ICBzcGluX3VubG9ja19pcnFyZXN0b3JlKCZwcnYtPmxvY2ssIGZsYWdzKTsKPj4+PiArICAgICAg ICAgICAgICAgIGJyZWFrOwo+Pj4+ICsgICAgICAgICAgICB9Cj4+Pj4gKyAgICAgICAgICAgIHN2 YyA9IHJ0X3ZjcHUoZC0+dmNwdVtsb2NhbF9zY2hlZC52Y3B1aWRdKTsKPj4+PiArICAgICAgICAg ICAgcGVyaW9kID0gTUlDUk9TRUNTKGxvY2FsX3NjaGVkLnMucnRkcy5wZXJpb2QpOwo+Pj4+ICsg ICAgICAgICAgICBidWRnZXQgPSBNSUNST1NFQ1MobG9jYWxfc2NoZWQucy5ydGRzLmJ1ZGdldCk7 Cj4+Pj4gKyAgICAgICAgICAgIGlmICggcGVyaW9kID4gUlREU19NQVhfUEVSSU9EIHx8IGJ1ZGdl dCA8Cj4+Pj4gUlREU19NSU5fQlVER0VUIHx8Cj4+Pj4gKyAgICAgICAgICAgICAgICAgICAgICAg ICAgYnVkZ2V0ID4gcGVyaW9kICkKPj4+Pgo+Pj4gSXNuJ3QgY2hlY2tpbmcgYWdhaW5zdCBSVERT X01JTl9QRVJJT0QgbWlzc2luZz8KPj4KPj4gQmVjYXVzZSBSVERTX01JTl9QRVJJT0Q9PVJURFNf TUlOX0JVREdFVCwgYnkgY2hlY2tpbmcgYnVkZ2V0IDwKPj4gUlREU19NSU5fQlVER0VUIGFuZCBi dWRnZXQgPiBwZXJpb2QsIHRoZSBjaGVja2luZyBhZ2FpbnN0Cj4+IFJURFNfTUlOX1BFUklPRCBp cyBhbHJlYWR5IGNvdmVyZWQuCj4gCj4gSWYgeW91IG1ha2UgY29kZSBkZXBlbmRlbnQgdXBvbiBz dWNoIHZhbHVlIG1hdGNoZXMsIHRoZQo+IGRlcGVuZGVuY3kgc2hvdWxkIGJlIGRvY3VtZW50ZWQg YW5kIGVuZm9yY2VkIHRvIGJlCj4gbm90aWNlZCBpZiBicm9rZW4gYnkgYSBCVUlMRF9CVUdfT04o KS4KClRvIGV4cGFuZCB1cG9uIHRoaXM6CgpDb2RlIGNoYW5nZXMuICBBdCB0aGUgbW9tZW50IFJU RFNfTUlOX1BFUklPRCA9PSBSVERTX01JTl9CVURHRVQsIGJ1dCB0aGUKdmVyeSBmYWN0IHRoYXQg eW91IGhhdmUgdHdvIGRpZmZlcmVudCBtYWNyb3MgaW1wbGllcyB0byBhbnlvbmUgY29taW5nCmFs b25nIGxhdGVyIHRoYXQgeW91IGNhbiBjaGFuZ2Ugb25lLiAgSWYgc29tZW9uZSBkb2VzIGNoYW5n ZSBvbmUgYnV0IG5vdAp0aGUgb3RoZXIsIHRoZW4gdGhhdCB3aWxsIGNyZWF0ZSBhIGJ1ZyBpbiB0 aGUgcHJvZ3JhbSB3aGljaCB3aWxsIGJlIHZlcnkKZGlmZmljdWx0IHRvIGRldGVjdC4gIEl0IGlz IGxpa2VseSBub3QgdG8gYmUgbm90aWNlZCBkdXJpbmcgcGF0Y2ggcmV2aWV3CihzaW5jZSBpdCBw cm9iYWJseSB3b24ndCBjaGFuZ2UgdGhlIGNvZGUgeW91J3JlIG5vdyBpbnRyb2R1Y2luZyksIGFu ZCBpdAptYXkgbm90IGV2ZW4gYmUgbm90aWNlZCBpbiBmb2xsb3ctdXAgdGVzdGluZyBmb3Igc29t ZSB0aW1lLgoKQWZ0ZXIgeW91J3ZlIGJlZW4gYml0dGVuIHNldmVyYWwgdGltZXMgYnkgdGhpcyBz b3J0IG9mIGJ1ZywgeW91IGxlYXJuIHRvCmJlIHBhcmFub2lkIGFib3V0IHRoaXMgc29ydCBvZiB0 aGluZyAod2hpY2ggaXMgd2h5IERhcmlvIG5vdGljZWQgaXQpLgoKVHdvIHdheXMgdG8gcHJvY2Vl ZDoKCjEuIERvbid0IGFzc3VtZSBSVERTX01JTl9QRVJJT0QgPT0gUlREU19NSU5fQlVER0VUIGhl cmUsIGFuZCBhZGQgdGhlCmV4dHJhIGNoZWNrIERhcmlvIG1lbnRpb25lZC4KCjIuIEFzc3VtZSBS VERTX01JTl9QRVJJT0QgPT0gUlREU19NSU5fQlVER0VULCBhbmQgYWRkIHNvbWV0aGluZyB0byB0 aGUKY29kZSB3aGljaCB3aWxsIGJyZWFrIHRoZSBidWlsZCBpZiB0aGlzIGlzIGV2ZXIgZmFsc2Ug KGFzIEphbiBzdWdnZXN0ZWQpLgoKIC1HZW9yZ2UKCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBs aXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=