From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH 3/3] drm/i915: Prefer random replacement before eviction search Date: Wed, 11 Jan 2017 09:47:41 +0200 Message-ID: <1484120861.3011.14.camel@linux.intel.com> References: <20170110215555.18705-1-chris@chris-wilson.co.uk> <20170110215555.18705-3-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7CC406E3E2 for ; Wed, 11 Jan 2017 07:47:50 +0000 (UTC) In-Reply-To: <20170110215555.18705-3-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gdGksIDIwMTctMDEtMTAgYXQgMjE6NTUgKzAwMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiBQ ZXJmb3JtaW5nIGFuIGV2aWN0aW9uIHNlYXJjaCBjYW4gYmUgdmVyeSwgdmVyeSBzbG93IGVzcGVj aWFsbHkgZm9yIGEKPiByYW5nZSByZXN0cmljdGVkIHJlcGxhY2VtZW50LiBGb3IgZXhhbXBsZSwg YSB3b3JrbG9hZCBsaWtlCj4gZ2VtX2NvbmN1cnJlbnRfYmxpdCB3aWxsIHBvcHVsYXRlIHRoZSBl bnRpcmUgR1RUIGFuZCB0aGVuIGNhdXNlIGFwZXJ0dXJlCj4gdGhyYXNoaW5nLiBTaW5jZSB0aGUg R1RUIGlzIGEgbWl4IG9mIGFjdGl2ZSBhbmQgaW5hY3RpdmUgdGlueSBvYmplY3RzLAo+IHdlIGhh dmUgdG8gc2VhcmNoIHRocm91Z2ggYWxtb3N0IDQwMGsgb2JqZWN0cyBiZWZvcmUgZmluZGluZyBh bnl0aGluZwo+IGluc2lkZSB0aGUgbWFwcGFibGUgcmVnaW9uLCBhbmQgYXMgdGhpcyBzZWFyY2gg aXMgcmVxdWlyZWQgYmVmb3JlIGV2ZXJ5Cj4gb3BlcmF0aW9uIHBlcmZvcm1hbmNlIGZhbGxzIG9m ZiBhIGNsaWZmLgo+IAo+IEluc3RlYWQgb2YgcGVyZm9ybWluZyB0aGUgZnVsbCBzZWFyY2gsIHdl IGRvIGEgdHJpYWwgcmVwbGFjZW1lbnQgb2YgdGhlCj4gbm9kZSBhdCBhIHJhbmRvbSBsb2NhdGlv biBmaXR0aW5nIHRoZSBzcGVjaWZpZWQgcmVzdHJpY3Rpb25zLiBXZSBsb3NlCj4gdGhlIHN0cmlj dCBMUlUgcHJvcGVydHkgb2YgdGhlIEdUVCBpbiBleGNoYW5nZSBmb3IgYXZvaWRpbmcgdGhlIHNs b3cKPiBzZWFyY2ggKHNldmVyYWwgb3JkZXJzIG9mIHJ1bnRpbWUgaW1wcm92ZW1lbnQgZm9yIGdl bV9jb25jdXJyZW50X2JsaXQKPiA0S2lCLWdsb2JhbC1ndHQsIGUuZy4gZnJvbSA1MDAwcyB0byAy MHMpLiBUaGUgbG9zcyBvZiBMUlUgcmVwbGFjZW1lbnQgaXMKPiAobGF0ZXIpIG1pdGlnYXRlZCBm aXJzdGx5IGJ5IG9ubHkgZG9pbmcgcmVwbGFjZW1lbnQgaWYgd2UgZmluZCBubwo+IGZyZWVzcGFj ZSBhbmQgc2Vjb25kbHkgYnkgZXhlY2J1ZiBkb2luZyBhIFBJTl9OT05CTE9DSyBzZWFyY2ggZmly c3QgYmVmb3JlCj4gaXQgc3RhcnRzIHRocmFzaGluZyAoaS5lLiB0aGUgcmFuZG9tIHJlcGxhY2Vt ZW50IHdpbGwgb25seSBvY2N1ciBmcm9tIHRoZQo+IGFscmVhZHkgaW5hY3RpdmUgc2V0IG9mIG9i amVjdHMpLgo+IAo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2ls c29uLmNvLnVrPgo+IENjOiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29t Pgo+IENjOiBKb29uYXMgTGFodGluZW4gPGpvb25hcy5sYWh0aW5lbkBsaW51eC5pbnRlbC5jb20+ Cgo8U05JUD4KCj4gK3N0YXRpYyB1NjQgcmFuZG9tX29mZnNldCh1NjQgc3RhcnQsIHU2NCBlbmQs IHU2NCBsZW4sIHU2NCBhbGlnbikKPiArewoKVGhlIHVzdWFsIEdFTV9CVUdfT04gZGFuY2UgdG8g bWFrZSBzdXJlIHRoZSBpbnB1dHMgbWFrZSBzb21lIHNlbnNlLiBPcgphcmUgeW91IHJlbHlpbmcg b24gdGhlIHVwcGVyIGxldmVsIGNhbGxlcnM/Cgo+ICsJdTY0IHJhbmdlLCBhZGRyOwo+ICsKPiAr CWlmIChhbGlnbiA9PSAwKQo+ICsJCWFsaWduID0gSTkxNV9HVFRfTUlOX0FMSUdOTUVOVDsKPiAr Cj4gKwlyYW5nZSA9IHJvdW5kX2Rvd24oZW5kIC0gbGVuLCBhbGlnbikgLSByb3VuZF91cChzdGFy dCwgYWxpZ24pOwoKRm9yIGV4YW1wbGUgdGhpcyBtYXkgY2F1c2UgYW4gb2RkIHJlc3VsdC4KCj4g QEAgLTM2MjksNiArMzY1NSwxNiBAQCBpbnQgaTkxNV9nZW1fZ3R0X2luc2VydChzdHJ1Y3QgaTkx NV9hZGRyZXNzX3NwYWNlICp2bSwKPiDCoAlpZiAoZXJyICE9IC1FTk9TUEMpCj4gwqAJCXJldHVy biBlcnI7Cj4gwqAKPiArCS8qIE5vIGZyZWUgc3BhY2UsIHBpY2sgYSBzbG90IGF0IHJhbmRvbSAq Lwo+ICsJZXJyID0gaTkxNV9nZW1fZ3R0X3Jlc2VydmUodm0sIG5vZGUsCj4gKwkJCQnCoMKgwqBz aXplLAo+ICsJCQkJwqDCoMKgcmFuZG9tX29mZnNldChzdGFydCwgZW5kLCBzaXplLCBhbGlnbm1l bnQpLAoKSSdkIHB1bGwgdGhpcyB0byBhIGxpbmUgYWJvdmUganVzdCB0byBtYWtlIGl0IG1vcmUg aHVtYW5lIHRvIHJlYWQuCgo+ICsJCQkJwqDCoMKgY29sb3IsCj4gKwkJCQnCoMKgwqBmbGFncyk7 Cj4gKwlpZiAoZXJyICE9IC1FTk9TUEMpCj4gKwkJcmV0dXJuIGVycjsKPiArCj4gKwkvKiBSYW5k b21seSBzZWxlY3RlZCBwbGFjZW1lbnQgaXMgcGlubmVkLCBkbyBhIHNlYXJjaCAqLwo+IMKgCWVy ciA9IGk5MTVfZ2VtX2V2aWN0X3NvbWV0aGluZyh2bSwgc2l6ZSwgYWxpZ25tZW50LCBjb2xvciwK PiDCoAkJCQnCoMKgwqDCoMKgwqDCoHN0YXJ0LCBlbmQsIGZsYWdzKTsKPiDCoAlpZiAoZXJyKQoK SSdtIGJpdCB1bnN1cmUgd2h5IGl0IHdvdWxkIG1ha2Ugc3VjaCBhIGJpZyBkaWZmZXJlbmNlLCBi dXQgaWYgeW91J3ZlCmJlZW4gcnVubmluZyB0aGUgbnVtYmVycy4gQ29kZSBpdHNlbGYgaXMgYWxs IGdvb2QsIHNvIHRoaXMgaXM7CgpSZXZpZXdlZC1ieTogSm9vbmFzIExhaHRpbmVuIDxqb29uYXMu bGFodGluZW5AbGludXguaW50ZWwuY29tPgoKUmVnYXJkcywgSm9vbmFzCi0tIApKb29uYXMgTGFo dGluZW4KT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIKSW50ZWwgQ29ycG9yYXRpb24KX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1h aWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==