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Thu, 23 Jan 2020 14:58:31 +0000 (UTC) Received: from EX13D20UWC001.ant.amazon.com (10.43.162.244) by EX13MTAUWC001.ant.amazon.com (10.43.162.135) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 23 Jan 2020 14:58:30 +0000 Received: from 38f9d3867b82.ant.amazon.com (10.43.160.29) by EX13D20UWC001.ant.amazon.com (10.43.162.244) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 23 Jan 2020 14:58:29 +0000 Subject: Re: [PATCH 2/2] kvm: Add ioctl for gathering debug counters To: Paolo Bonzini , , Milan Pandurov , CC: , References: <20200115134303.30668-1-milanpa@amazon.de> <18820df0-273a-9592-5018-c50a85a75205@amazon.de> <8584d6c2-323c-14e2-39c0-21a47a91bbda@amazon.com> <668ea6d3-06ae-4586-9818-cdea094419fe@redhat.com> <30358a22-084c-6b0b-ae67-acfb7e69ba8e@amazon.com> <7f206904-be2b-7901-1a88-37ed033b4de3@amazon.de> <7e6093f1-1d80-8278-c843-b4425ce098bf@redhat.com> <6f13c197-b242-90a5-3f53-b75aa8a0e5aa@amazon.de> <3d3d9374-a92b-0be0-1d6c-82b39fe7ef16@redhat.com> From: Alexander Graf Message-ID: <25821210-50c4-93f4-2daf-5b572f0bcf31@amazon.de> Date: Thu, 23 Jan 2020 15:58:27 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <3d3d9374-a92b-0be0-1d6c-82b39fe7ef16@redhat.com> Content-Language: en-US X-Originating-IP: [10.43.160.29] X-ClientProxiedBy: EX13D36UWA004.ant.amazon.com (10.43.160.175) To EX13D20UWC001.ant.amazon.com (10.43.162.244) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org CgpPbiAyMy4wMS4yMCAxNTo1MCwgUGFvbG8gQm9uemluaSB3cm90ZToKPiBPbiAyMy8wMS8yMCAx NTo0NSwgQWxleGFuZGVyIEdyYWYgd3JvdGU6Cj4+IEkgdGhpbmsgd2UncmUgaW4gYWdyZWVtZW50 IHRoZW4sIGp1c3QgbGVhbmluZyBvbnRvIHRoZSBvdGhlciBzaWRlIG9mIHRoZQo+PiBzYW1lIGZl bmNlLiBNeSB0YWtlIGlzIHRoYXQgaWYgSSBkb24ndCBrbm93IHdoZXRoZXIgYSBzdHJpbmcgaXMK Pj4gbmVjZXNzYXJ5LCBJJ2QgcmF0aGVyIG5vdCBoYXZlIGEgc3RyaW5nIDopLgo+IAo+IEFuZCBm b3IgbWUgaXQncyBpZiBJIGRvbid0IGtub3cgd2hldGhlciBhICNkZWZpbmUgaXMgbmVjZXNzYXJ5 LCBJJ2QKPiByYXRoZXIgbm90IGhhdmUgYSAjZGVmaW5lLiAgU28geWVhaCB3ZSBhZ3JlZSBvbiBl dmVyeXRoaW5nIGV4Y2VwdCB0aGUKPiB1c2Vyc3BhY2UgQVBJICh3aGljaCBpcyBubyBzbWFsbCB0 aGluZywgYnV0IGl0J3MgYSBzdGFydCkuCj4gCj4+IEkgZ3Vlc3MgYXMgbG9uZyBhcyB3ZSBkbyBn ZXQgc3RhdCBpbmZvcm1hdGlvbiBvdXQgcGVyLXZtIGFzIHdlbGwgYXMKPj4gcGVyLXZjcHUgdGhy b3VnaCB2bWZkIGFuZCB2Y3B1ZmQsIEknbSBoYXBweSBvdmVyYWxsLgo+Pgo+PiBTbyBob3cgc3Ry b25nbHkgZG8geW91IGZlZWwgYWJvdXQgdGhlIHN0cmluZyBiYXNlZCBhcHByb2FjaD8KPiAKPiBJ IGxpa2UgaXQsIG9mIGNvdXJzZS4KPiAKPj4gUFM6IFlvdSBjb3VsZCBidHcgZWFzaWx5IGFkZCBh ICJnaXZlIG1lIHRoZSBzdHJpbmcgZm9yIGEgT05FX1JFRyBpZCIKPj4gaW50ZXJmYWNlIGluIEtW TSB0byB0cmFuc2xhdGUgZnJvbSAweDEwMDQyIHRvICJpbnNuX2VtdWxhdGlvbl9mYWlsIiA6KS4K PiAKPiBUaGF0IGNvdWxkIGFjdHVhbGx5IGJlIHNvbWV3aGF0IHVzZWZ1bCBmb3IgVkNQVSByZWdp c3RlcnMgYXMgd2VsbCAoZ2l2ZQo+IG1lIHRoZSBzdHJpbmcgYW5kIHR5cGUsIGFuZCBhIGxpc3Qg b2YgdmFsaWQgT05FX1JFRyBpZHMpLiAgSWYgdGhhdCB3YXMKCllvdSBkb24ndCBuZWVkIHRoZSB0 eXBlIGV4cGxpY2l0bHksIGl0J3MgcGFydCBvZiB0aGUgT05FX1JFRyBpZGVudGlmaWVyIDopLgoK PiB0aGUgY2FzZSwgb2YgY291cnNlIGl0IHdvdWxkIGJlIGZpbmUgZm9yIG1lIHRvIHVzZSBPTkVf UkVHIG9uIGEgVk0uICBUaGUKPiBwYXJ0IHdoaWNoIEkgZG9uJ3QgbGlrZSBpcyBoYXZpbmcgdG8g bWFrZSBhbGwgT05FX1JFRyBwYXJ0IG9mIHRoZQo+IHVzZXJzcGFjZSBBQkkvQVBJLgoKV2UgZG9u J3QgaGF2ZSBhbGwgb2YgT05FX1JFRyBhcyBwYXJ0IG9mIHRoZSB1c2VyIHNwYWNlIEFCSSB0b2Rh eS4gT24gCkJvb2szUyBQUEMgeW91IGNhbiBub3QgYWNjZXNzIEJvb2tFIE9ORV9SRUcgdmFyaWFi bGVzIGZvciBvYnZpb3VzIApyZWFzb25zLiBOZWl0aGVyIGNhbiB5b3UgYWNjZXNzIEFSTSBPTkVf UkVHcy4gTm90IGltcGxlbWVudGluZyBhIE9ORV9SRUcgCmlzIHBlcmZlY3RseSBvay4KCkJ1dCBJ IGxpa2UgdGhlIGlkZWEgb2YgYSBPTkVfUkVHIHF1ZXJ5IGludGVyZmFjZSB0aGF0IGdpdmVzIHlv dSB0aGUgbGlzdCAKb2YgYXZhaWxhYmxlIHJlZ2lzdGVycyBhbmQgYSBzdHJpbmcgcmVwcmVzZW50 YXRpb24gb2YgdGhlbS4gSXQgd291bGQgCm1ha2UgcHJvZ3JhbW1pbmcga3ZtIGZyb20gUHl0aG9u IHNvIGVhc3khCgoKQWxleAoKCgpBbWF6b24gRGV2ZWxvcG1lbnQgQ2VudGVyIEdlcm1hbnkgR21i SApLcmF1c2Vuc3RyLiAzOAoxMDExNyBCZXJsaW4KR2VzY2hhZWZ0c2Z1ZWhydW5nOiBDaHJpc3Rp YW4gU2NobGFlZ2VyLCBKb25hdGhhbiBXZWlzcwpFaW5nZXRyYWdlbiBhbSBBbXRzZ2VyaWNodCBD aGFybG90dGVuYnVyZyB1bnRlciBIUkIgMTQ5MTczIEIKU2l0ejogQmVybGluClVzdC1JRDogREUg Mjg5IDIzNyA4NzkKCgo=