From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [CI 2/9] drm/i915/pmu: Expose a PMU interface for perf queries Date: Fri, 1 Dec 2017 09:51:16 +0000 Message-ID: <09a0f854-620d-e2cf-f40b-7219599a5172@linux.intel.com> References: <20171121181852.16128-1-tvrtko.ursulin@linux.intel.com> <20171121181852.16128-2-tvrtko.ursulin@linux.intel.com> <20171201010142.2t5ejy2knrdowabj@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id E49526E0A8 for ; Fri, 1 Dec 2017 09:51:20 +0000 (UTC) In-Reply-To: <20171201010142.2t5ejy2knrdowabj@intel.com> Content-Language: en-GB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Rodrigo Vivi , Tvrtko Ursulin Cc: Intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDAxLzEyLzIwMTcgMDE6MDEsIFJvZHJpZ28gVml2aSB3cm90ZToKPiBPbiBUdWUsIE5vdiAy MSwgMjAxNyBhdCAwNjoxODo0NVBNICswMDAwLCBUdnJ0a28gVXJzdWxpbiB3cm90ZToKPj4gRnJv bTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KPj4KPj4gRnJvbTog Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4+IEZyb206IFR2cnRrbyBV cnN1bGluIDx0dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+Cj4+IEZyb206IERtaXRyeSBSb2dvemhr aW4gPGRtaXRyeS52LnJvZ296aGtpbkBpbnRlbC5jb20+Cj4+Cj4+IFRoZSBmaXJzdCBnb2FsIGlz IHRvIGJlIGFibGUgdG8gbWVhc3VyZSBHUFUgKGFuZCBpbnZpZHVhbCByaW5nKSBidXN5bmVzcwo+ PiB3aXRob3V0IGhhdmluZyB0byBwb2xsIHJlZ2lzdGVycyBmcm9tIHVzZXJzcGFjZS4gKFdoaWNo IG5vdCBvbmx5IGluY3Vycwo+PiBob2xkaW5nIHRoZSBmb3JjZXdha2UgbG9jayBpbmRlZmluaXRl bHksIHBlcnR1cmJpbmcgdGhlIHN5c3RlbSwgYnV0IGFsc28KPj4gcnVucyB0aGUgcmlzayBvZiBo YW5naW5nIHRoZSBtYWNoaW5lLikgQXMgYW4gYWx0ZXJuYXRpdmUgd2UgY2FuIHVzZSB0aGUKPj4g cGVyZiBldmVudCBjb3VudGVyIGludGVyZmFjZSB0byBzYW1wbGUgdGhlIHJpbmcgcmVnaXN0ZXJz IHBlcmlvZGljYWxseQo+PiBhbmQgc2VuZCB0aG9zZSByZXN1bHRzIHRvIHVzZXJzcGFjZS4KPj4K Pj4gRnVuY3Rpb25hbGl0eSB3ZSBhcmUgZXhwb3J0aW5nIHRvIHVzZXJzcGFjZSBpcyB2aWEgdGhl IGV4aXN0aW5nIHBlcmYgUE1VCj4+IEFQSSBhbmQgY2FuIGJlIGV4ZXJjaXNlZCB2aWEgdGhlIGV4 aXN0aW5nIHRvb2xzLiBGb3IgZXhhbXBsZToKPj4KPj4gICAgcGVyZiBzdGF0IC1hIC1lIGk5MTUv cmNzMC1idXN5LyAtSSAxMDAwCj4+Cj4+IFdpbGwgcHJpbnQgdGhlIHJlbmRlciBlbmdpbmUgYnVz eW5uZXMgb25jZSBwZXIgc2Vjb25kLiBBbGwgdGhlIHBlcmZvcm1hbmNlCj4+IGNvdW50ZXJzIGNh biBiZSBlbnVtZXJhdGVkIChwZXJmIGxpc3QpIGFuZCBoYXZlIHRoZWlyIHVuaXQgb2YgbWVhc3Vy ZQo+PiBjb3JyZWN0bHkgcmVwb3J0ZWQgaW4gc3lzZnMuCgpbc25pcF0KCj4+ICtzdGF0aWMgaW50 IGk5MTVfcG11X2V2ZW50X2luaXQoc3RydWN0IHBlcmZfZXZlbnQgKmV2ZW50KQo+PiArewo+PiAr CXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1ID0KPj4gKwkJY29udGFpbmVyX29mKGV2ZW50 LT5wbXUsIHR5cGVvZigqaTkxNSksIHBtdS5iYXNlKTsKPj4gKwlpbnQgY3B1LCByZXQ7Cj4+ICsK Pj4gKwlpZiAoZXZlbnQtPmF0dHIudHlwZSAhPSBldmVudC0+cG11LT50eXBlKQo+PiArCQlyZXR1 cm4gLUVOT0VOVDsKPj4gKwo+PiArCS8qIHVuc3VwcG9ydGVkIG1vZGVzIGFuZCBmaWx0ZXJzICov Cj4+ICsJaWYgKGV2ZW50LT5hdHRyLnNhbXBsZV9wZXJpb2QpIC8qIG5vIHNhbXBsaW5nICovCj4+ ICsJCXJldHVybiAtRUlOVkFMOwo+PiArCj4+ICsJaWYgKGhhc19icmFuY2hfc3RhY2soZXZlbnQp KQo+PiArCQlyZXR1cm4gLUVPUE5PVFNVUFA7Cj4+ICsKPj4gKwlpZiAoZXZlbnQtPmNwdSA8IDAp Cj4+ICsJCXJldHVybiAtRUlOVkFMOwo+PiArCj4+ICsJY3B1ID0gY3B1bWFza19hbnlfYW5kKCZp OTE1X3BtdV9jcHVtYXNrLAo+PiArCQkJICAgICAgdG9wb2xvZ3lfc2libGluZ19jcHVtYXNrKGV2 ZW50LT5jcHUpKTsKPj4gKwlpZiAoY3B1ID49IG5yX2NwdV9pZHMpCj4+ICsJCXJldHVybiAtRU5P REVWOwo+PiArCj4+ICsJaWYgKGlzX2VuZ2luZV9ldmVudChldmVudCkpIHsKPj4gKwkJcmV0ID0g ZW5naW5lX2V2ZW50X2luaXQoZXZlbnQpOwo+PiArCX0gZWxzZSB7Cj4+ICsJCXJldCA9IDA7Cj4+ ICsJCXN3aXRjaCAoZXZlbnQtPmF0dHIuY29uZmlnKSB7Cj4+ICsJCWNhc2UgSTkxNV9QTVVfQUNU VUFMX0ZSRVFVRU5DWToKPj4gKwkJCWlmIChJU19WQUxMRVlWSUVXKGk5MTUpIHx8IElTX0NIRVJS WVZJRVcoaTkxNSkpCj4+ICsJCQkJIC8qIFJlcXVpcmVzIGEgbXV0ZXggZm9yIHNhbXBsaW5nISAq Lwo+PiArCQkJCXJldCA9IC1FTk9ERVY7Cj4gCj4gRHVtbXkgcmFuZG9tIHF1ZXN0aW9uLi4uCj4g SXMgdGhlIG1pc3NpbmcgYnJlYWsgaGVyZSBpbnRlbnRpb25hbD8KPiBvbiBQTVVfQUNUVUFMX0ZS RVEgd2Ugc2hvdWxkIHJldHVybiAtRU5PREVWIHRvIGdlbiA8IDYgfHwgdmx2IHx8IGNodiA/CgpJ IGFtIG5vdCBleHBlcnQgb24gcHJlLUdlbjYsIGJ1dCBBRkFJQ1MgeWVzLCBub25lIG9mIHRoZSBm cmVxdWVuY3kgY29kZSAKcGF0aHMgc2VlbSB0byBiZSBhY3RpdmUgb24gdGhvc2UgcGxhdGZvcm1z LiBXYXMgdGhlcmUgc29tZSBhbHRlcm5hdGl2ZSAKd2F5IG9mIG1hbmFnaW5nIGZyZXF1ZW5jaWVz IGJhY2sgdGhlbiwgd2hpY2ggd291bGQgbWFrZSBzb21lIHJlcG9ydGluZyAKc3RpbGwgcG9zc2li bGU/IEkgY2FuJ3Qgc3BvdCBhbnl0aGluZyAtIENocmlzPwoKUmVnYXJkcywKClR2cnRrbwpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFp bGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK