From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH v2] drm/i915: Shrink the GEM kmem_caches upon idling Date: Wed, 17 Jan 2018 10:18:38 +0000 Message-ID: <273a91ad-678e-747e-e1e7-b573193e51f6@linux.intel.com> References: <20180116130519.16255-1-chris@chris-wilson.co.uk> <4ce412fe-13d0-b06b-4e4d-7fe14bbb7ef4@linux.intel.com> <151611611787.21947.7115673200318591861@mail.alporthouse.com> <3977d197-2692-26b8-34b3-235be6920c2b@linux.intel.com> <151612417096.21947.6343384174670555034@mail.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 317636E3DB for ; Wed, 17 Jan 2018 10:18:42 +0000 (UTC) In-Reply-To: <151612417096.21947.6343384174670555034@mail.alporthouse.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: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDE2LzAxLzIwMTggMTc6MzYsIENocmlzIFdpbHNvbiB3cm90ZToKPiBRdW90aW5nIFR2cnRr byBVcnN1bGluICgyMDE4LTAxLTE2IDE3OjI1OjI1KQo+Pgo+PiBPbiAxNi8wMS8yMDE4IDE1OjIx LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4+PiBRdW90aW5nIFR2cnRrbyBVcnN1bGluICgyMDE4LTAx LTE2IDE1OjEyOjQzKQo+Pj4+Cj4+Pj4gT24gMTYvMDEvMjAxOCAxMzowNSwgQ2hyaXMgV2lsc29u IHdyb3RlOgo+Pj4+PiBXaGVuIHdlIGZpbmFsbHkgZGVjaWRlIHRoZSBncHUgaXMgaWRsZSwgdGhh dCBpcyBhIGdvb2QgdGltZSB0byBzaHJpbmsKPj4+Pj4gb3VyIGttZW1fY2FjaGVzLgo+Pj4+Pgo+ Pj4+PiB2MjogQ29tbWVudCB1cG9uIHRoZSByYW5kb20gc3ByaW5rbGluZyBvZiByY3VfYmFycmll cigpIGluc2lkZSB0aGUgaWRsZQo+Pj4+PiB3b3JrZXIuCj4+Pj4+Cj4+Pj4+IFNpZ25lZC1vZmYt Ynk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+Pj4+PiBDYzogVHZy dGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGxpbnV4LmludGVsLmNvbT4KPj4+Pj4gLS0tCj4+ Pj4+ICAgICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIHwgMzAgKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrCj4+Pj4+ICAgICAxIGZpbGUgY2hhbmdlZCwgMzAgaW5zZXJ0aW9u cygrKQo+Pj4+Pgo+Pj4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9n ZW0uYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPj4+Pj4gaW5kZXggMzM1NzMx YzkzYjRhLi42MWIxM2ZkZmFhNzEgMTAwNjQ0Cj4+Pj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZ2VtLmMKPj4+Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0u Ywo+Pj4+PiBAQCAtNDcxNiw2ICs0NzE2LDIxIEBAIGk5MTVfZ2VtX3JldGlyZV93b3JrX2hhbmRs ZXIoc3RydWN0IHdvcmtfc3RydWN0ICp3b3JrKQo+Pj4+PiAgICAgICAgIH0KPj4+Pj4gICAgIH0K Pj4+Pj4gICAgIAo+Pj4+PiArc3RhdGljIHZvaWQgc2hyaW5rX2NhY2hlcyhzdHJ1Y3QgZHJtX2k5 MTVfcHJpdmF0ZSAqaTkxNSkKPj4+Pj4gK3sKPj4+Pj4gKyAgICAgLyoKPj4+Pj4gKyAgICAgICog a21lbV9jYWNoZV9zaHJpbmsoKSBkaXNjYXJkcyBlbXB0eSBzbGFicyBhbmQgcmVvcmRlcnMgcGFy dGlhbGx5Cj4+Pj4+ICsgICAgICAqIGZpbGxlZCBzbGFicyB0byBwcmlvcml0aXNlIGFsbG9jYXRp bmcgZnJvbSB0aGUgbW9zdGx5IGZ1bGwgc2xhYnMsCj4+Pj4+ICsgICAgICAqIHdpdGggdGhlIGFp bSBvZiByZWR1Y2luZyBmcmFnbWVudGF0aW9uLgo+Pj4+PiArICAgICAgKi8KPj4+Pj4gKyAgICAg a21lbV9jYWNoZV9zaHJpbmsoaTkxNS0+cHJpb3JpdGllcyk7Cj4+Pj4+ICsgICAgIGttZW1fY2Fj aGVfc2hyaW5rKGk5MTUtPmRlcGVuZGVuY2llcyk7Cj4+Pj4+ICsgICAgIGttZW1fY2FjaGVfc2hy aW5rKGk5MTUtPnJlcXVlc3RzKTsKPj4+Pj4gKyAgICAga21lbV9jYWNoZV9zaHJpbmsoaTkxNS0+ bHV0cyk7Cj4+Pj4+ICsgICAgIGttZW1fY2FjaGVfc2hyaW5rKGk5MTUtPnZtYXMpOwo+Pj4+PiAr ICAgICBrbWVtX2NhY2hlX3NocmluayhpOTE1LT5vYmplY3RzKTsKPj4+Pj4gK30KPj4+Pj4gKwo+ Pj4+PiAgICAgc3RhdGljIGlubGluZSBib29sCj4+Pj4+ICAgICBuZXdfcmVxdWVzdHNfc2luY2Vf bGFzdF9yZXRpcmUoY29uc3Qgc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUpCj4+Pj4+ICAg ICB7Cj4+Pj4+IEBAIC00ODAzLDYgKzQ4MTgsMjEgQEAgaTkxNV9nZW1faWRsZV93b3JrX2hhbmRs ZXIoc3RydWN0IHdvcmtfc3RydWN0ICp3b3JrKQo+Pj4+PiAgICAgICAgICAgICAgICAgR0VNX0JV R19PTighZGV2X3ByaXYtPmd0LmF3YWtlKTsKPj4+Pj4gICAgICAgICAgICAgICAgIGk5MTVfcXVl dWVfaGFuZ2NoZWNrKGRldl9wcml2KTsKPj4+Pj4gICAgICAgICB9Cj4+Pj4+ICsKPj4+Pj4gKyAg ICAgLyoKPj4+Pj4gKyAgICAgICogV2UgdXNlIG1hZ2ljYWwgVFlQRVNBRkVfQllfUkNVIGttZW1f Y2FjaGVzIHdob3NlIHBhZ2VzIGFyZSBub3QKPj4+Pj4gKyAgICAgICogcmV0dXJuZWQgdG8gdGhl IHN5c3RlbSBpbWVkaWF0ZWx5IGJ1dCBvbmx5IGFmdGVyIGFuIFJDVSBncmFjZQo+Pj4+PiArICAg ICAgKiBwZXJpb2QuIFdlIHdhbnQgdG8gZW5jb3VyYWdlIHN1Y2ggcGFnZXMgdG8gYmUgcmV0dXJu ZWQgYW5kIHNvCj4+Pj4+ICsgICAgICAqIGluY29ycG9yYXRlIGEgUkNVIGJhcnJpZXIgaGVyZSB0 byBwcm92aWRlIHNvbWUgcmF0ZSBsaW1pdGluZwo+Pj4+PiArICAgICAgKiBvZiB0aGUgZHJpdmVy IGFuZCBmbHVzaCB0aGUgb2xkIHBhZ2VzIGJlZm9yZSB3ZSBmcmVlIGEgbmV3IGJhdGNoCj4+Pj4+ ICsgICAgICAqIGZyb20gdGhlIG5leHQgcm91bmQgb2Ygc2hyaW5raW5nLgo+Pj4+PiArICAgICAg Ki8KPj4+Pj4gKyAgICAgcmN1X2JhcnJpZXIoKTsKPj4+Pgo+Pj4+IFNob3VsZCB0aGlzIGdvIGlu dG8gdGhlIGNvbmRpdGlvbmFsIGJlbG93PyBJIGRvbid0IHRoaW5rIGl0IG1ha2VzIGEKPj4+PiBk aWZmZXJlbmNlIGVmZmVjdGl2ZWx5LCBidXQgbWF5IGJlIG1vcmUgbG9naWNhbC4KPj4+Cj4+PiBN eSB0aGlua2luZyB3YXMgdG8gaGF2ZSB0aGUgY2hlY2sgYWZ0ZXIgdGhlIHNsZWVwIGFzIHRoZSBz dGF0ZSBpcwo+Pj4gc3ViamVjdCB0byBjaGFuZ2UuIEknbSBub3QgY29uY2VybmVkIGFib3V0IHRo ZSByYW5kb20gdW5uZWNlc3NhcnkgcGF1c2VzCj4+PiBvbiB0aGlzIHdxLCBzaW5jZSBpdCBpcyBz dWJqZWN0IHRvIHN0cnVjdF9tdXRleCBkZWxheXMsIHNvIHdhcyBxdWl0ZQo+Pgo+PiBUaGUgZGVs YXkgZG9lc24ndCB3b3JyeSBtZSwgYnV0IGp1c3QgdGhhdCBpdCBpcyByYW5kb20gLSBuZWl0aGVy IHRoZQo+PiBhcHBlYXJhbmNlIG9mIG5ldyByZXF1ZXN0cywgb3IgY29tcGxldGlvbiBvZiBleGlz dGluZyBvbmVzLCBoYXMgbm90aGluZwo+PiB0byBkbyB3aXRoIG9uZSBSQ1UgZ3JhY2UgcGVyaW9k Lgo+Pgo+Pj4gaGFwcHkgdG8gdGhpbmsgb2YgdGhpcyBhcyBiZWluZyAid2Ugc2hhbGwgb25seSBk byBvbmUgaWRsZSBwYXNzIHBlciBSQ1UKPj4+IGdyYWNlIHBlcmlvZCIuCj4+Cj4+IElkbGUgd29y a2VyIGlzIHByb2JhYmx5IHNldmVyYWwgb3JkZXJzIG9mIG1hZ25pdHVkZSBsZXNzIGZyZXF1ZW50 IHRoYW4KPj4gUkNVIGdyYWNlIHBlcmlvZHMgc28gSSBkb24ndCB0aGluayB0aGF0IGNhbiBiZSBh IGNvbmNlcm4uCj4+Cj4+IEhtLi4KPj4KPj4+Pj4gKwo+Pj4+PiArICAgICBpZiAoIW5ld19yZXF1 ZXN0c19zaW5jZV9sYXN0X3JldGlyZShkZXZfcHJpdikpIHsKPj4+Pj4gKyAgICAgICAgICAgICBf X2k5MTVfZ2VtX2ZyZWVfd29yaygmZGV2X3ByaXYtPm1tLmZyZWVfd29yayk7Cj4+Cj4+IC4uLiB5 b3Ugd291bGRuJ3Qgd2FudCB0byBwdWxsIHRoaXMgdXAgdW5kZXIgdGhlIHN0cnVjdCBtdXRleCBz ZWN0aW9uPyBJdAo+PiB3b3VsZCBuZWVkIGEgZGlmZmVyZW50IGZsYXZvdXIgb2YgYSBmdW5jdGlv biB0byBiZSBjYWxsZWQsIGFuZCBzb21lCj4+IHJlZmFjdG9yaW5nIG9mIHRoZSBleGlzdGluZyBv bmVzLgo+IAo+ICJTb21lIi4gSSBkb24ndCB0aGluayB0aGF0IGltcHJvdmVzIGFueXRoaW5nPwo+ IAo+IFRoZSBzdGF0ZW1lbnQgb2YgaW50ZW50IHRvIG1lIGlzIHRoYXQgd2Ugb25seSB0aHJvdyBh d2F5IHRoZSBjYWNoZXMgYW5kCj4gZXhjZXNzIG1lbW9yeSBpZiBhbmQgb25seSBpZiB3ZSBhcmUg aWRsZS4gVGhlIHByZXN1bXB0aW9uIGlzIHRoYXQgdW5kZXIKPiBhY3RpdmUgY29uZGl0aW9ucyB0 aG9zZSBjYWNoZXMgYXJlIGltcG9ydGFudCwgYnV0IGlmIHdlIGFyZSBhYm91dCB0bwo+IHNsZWVw IGZvciBsb25nIHBlcmlvZHMgb2YgdGltZSwgd2Ugc2hvdWxkIGJlIHByb2FjdGl2ZSBpbiByZWxl YXNpbmcKPiByZXNvdXJjZXMuCj4gCj4gSSBjYW4gaGVhciB5b3UgYWJvdXQgdG8gYXNrIGlmIHdl IGNvdWxkIGFkZCBhIHRpbWVyIGFuZCB3YWtlIHVwIGluIDEwcyB0bwo+IHByb3ZlIHdlIHdlcmUg aWRsZSEKCk5vLCBwb2ludGxlc3Mgc2luY2UgdGhpcyBwcm9wb3NhbCBhbHJlYWR5IHJ1bnMgb3V0 c2lkZSB0aGlzIGd1YXJhbnRlZSwgCmFuZCBhbnl3YXksIHRoaXMgd2FzIG9yIHRoZSBvdGhlciB0 aGVyZSBpcyBwb3RlbnRpYWwgdG8gZGlzcnVwdCB0aGUgbmV4dCAKY2xpZW50LgoKSG93IGFib3V0 IHN0aWNraW5nIGluIGEgYnJlYWsgb24gbmV3X3JlcXVlc3Rfc2luY2VfbGFzdF9yZXRpcmUoKSBp bnRvIApfX2k5MTVfZ2VtX2ZyZWVfd29yaygpPyBXb3VsZCB0aGF0IGRlZmVhdCB0aGUgYmFja2xv ZyBjbGVhbmluZz8gTWF5YmUgCmNvbmRpdGlvbmFsIG9ubHkgd2hlbiBjYWxsZWQgZnJvbSB0aGUg aWRsZSBoYW5kbGVyPwoKUmVnYXJkcywKClR2cnRrbwpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9pbnRlbC1nZngK