From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 2/2] drm/i915: Shrink the GEM kmem_caches upon idling Date: Wed, 24 Jan 2018 10:37:48 +0000 Message-ID: <151679026801.13096.8927791500074479273@mail.alporthouse.com> References: <20180119152356.17025-1-chris@chris-wilson.co.uk> <20180119152356.17025-2-chris@chris-wilson.co.uk> <2c698a16-9160-a059-f8af-d3ef4fcd29c5@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 14C656E58C for ; Wed, 24 Jan 2018 10:37:52 +0000 (UTC) In-Reply-To: <2c698a16-9160-a059-f8af-d3ef4fcd29c5@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Tvrtko Ursulin , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org UXVvdGluZyBUdnJ0a28gVXJzdWxpbiAoMjAxOC0wMS0yNCAxMDozMjoxNikKPiAKPiBPbiAxOS8w MS8yMDE4IDE1OjIzLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gPiBXaGVuIHdlIGZpbmFsbHkgZGVj aWRlIHRoZSBncHUgaXMgaWRsZSwgdGhhdCBpcyBhIGdvb2QgdGltZSB0byBzaHJpbmsKPiA+IG91 ciBrbWVtX2NhY2hlcy4KPiA+IAo+ID4gdjM6IERlZmVyIHVudGlsIGFuIHJjdSBncmFjZSBwZXJp b2QgYWZ0ZXIgd2UgaWRsZS4KPiA+IAo+ID4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxj aHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4gPiBDYzogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51 cnN1bGluQGxpbnV4LmludGVsLmNvbT4KPiA+IC0tLQo+ID4gICBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2dlbS5jIHwgNjUgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysKPiA+ICAgMSBmaWxlIGNoYW5nZWQsIDY1IGluc2VydGlvbnMoKykKPiA+IAo+ID4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pOTE1X2dlbS5jCj4gPiBpbmRleCA3ZjA2ODRjY2M3MjQuLjZhOGZiY2FlODM1YiAxMDA2 NDQKPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiA+ICsrKyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiA+IEBAIC0zMzQxLDEyICszMzQxLDU5IEBA IG5ld19yZXF1ZXN0c19zaW5jZV9sYXN0X3JldGlyZShjb25zdCBzdHJ1Y3QgZHJtX2k5MTVfcHJp dmF0ZSAqaTkxNSkKPiA+ICAgICAgICAgICAgICAgd29ya19wZW5kaW5nKCZpOTE1LT5ndC5pZGxl X3dvcmsud29yaykpOwo+ID4gICB9Cj4gPiAgIAo+ID4gK3N0YXRpYyB2b2lkIHNocmlua19jYWNo ZXMoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUpCj4gPiArewo+ID4gKyAgICAgLyoKPiA+ ICsgICAgICAqIGttZW1fY2FjaGVfc2hyaW5rKCkgZGlzY2FyZHMgZW1wdHkgc2xhYnMgYW5kIHJl b3JkZXJzIHBhcnRpYWxseQo+ID4gKyAgICAgICogZmlsbGVkIHNsYWJzIHRvIHByaW9yaXRpc2Ug YWxsb2NhdGluZyBmcm9tIHRoZSBtb3N0bHkgZnVsbCBzbGFicywKPiA+ICsgICAgICAqIHdpdGgg dGhlIGFpbSBvZiByZWR1Y2luZyBmcmFnbWVudGF0aW9uLgo+ID4gKyAgICAgICovCj4gPiArICAg ICBrbWVtX2NhY2hlX3NocmluayhpOTE1LT5wcmlvcml0aWVzKTsKPiA+ICsgICAgIGttZW1fY2Fj aGVfc2hyaW5rKGk5MTUtPmRlcGVuZGVuY2llcyk7Cj4gPiArICAgICBrbWVtX2NhY2hlX3Nocmlu ayhpOTE1LT5yZXF1ZXN0cyk7Cj4gPiArICAgICBrbWVtX2NhY2hlX3NocmluayhpOTE1LT5sdXRz KTsKPiA+ICsgICAgIGttZW1fY2FjaGVfc2hyaW5rKGk5MTUtPnZtYXMpOwo+ID4gKyAgICAga21l bV9jYWNoZV9zaHJpbmsoaTkxNS0+b2JqZWN0cyk7Cj4gPiArfQo+ID4gKwo+ID4gK3N0cnVjdCBz bGVlcF9yY3Vfd29yayB7Cj4gPiArICAgICBzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNTsK PiA+ICsgICAgIHN0cnVjdCByY3VfaGVhZCByY3U7Cj4gPiArICAgICBzdHJ1Y3Qgd29ya19zdHJ1 Y3Qgd29yazsKPiA+ICsgICAgIHUzMiBlcG9jaDsKPiA+ICt9Owo+ID4gKwo+ID4gK3N0YXRpYyB2 b2lkIF9fc2xlZXBfd29yayhzdHJ1Y3Qgd29ya19zdHJ1Y3QgKndvcmspCj4gPiArewo+ID4gKyAg ICAgc3RydWN0IHNsZWVwX3JjdV93b3JrICpzID0gY29udGFpbmVyX29mKHdvcmssIHR5cGVvZigq cyksIHdvcmspOwo+ID4gKyAgICAgc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUgPSBzLT5p OTE1Owo+ID4gKyAgICAgdTMyIGVwb2NoID0gcy0+ZXBvY2g7Cj4gPiArCj4gPiArICAgICBrZnJl ZShzKTsKPiA+ICsgICAgIGlmIChlcG9jaCA9PSBSRUFEX09OQ0UoaTkxNS0+Z3QuZXBvY2gpKQo+ ID4gKyAgICAgICAgICAgICBzaHJpbmtfY2FjaGVzKGk5MTUpOwo+ID4gK30KPiA+ICsKPiA+ICtz dGF0aWMgdm9pZCBfX3NsZWVwX3JjdShzdHJ1Y3QgcmN1X2hlYWQgKnJjdSkKPiA+ICt7Cj4gPiAr ICAgICBzdHJ1Y3Qgc2xlZXBfcmN1X3dvcmsgKnMgPSBjb250YWluZXJfb2YocmN1LCB0eXBlb2Yo KnMpLCByY3UpOwo+ID4gKyAgICAgc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUgPSBzLT5p OTE1Owo+ID4gKwo+ID4gKyAgICAgaWYgKHMtPmVwb2NoID09IFJFQURfT05DRShpOTE1LT5ndC5l cG9jaCkpIHsKPiA+ICsgICAgICAgICAgICAgSU5JVF9XT1JLKCZzLT53b3JrLCBfX3NsZWVwX3dv cmspOwo+ID4gKyAgICAgICAgICAgICBxdWV1ZV93b3JrKGk5MTUtPndxLCAmcy0+d29yayk7Cj4g PiArICAgICB9IGVsc2Ugewo+ID4gKyAgICAgICAgICAgICBrZnJlZShzKTsKPiA+ICsgICAgIH0K PiA+ICt9Cj4gPiArCj4gPiAgIHN0YXRpYyB2b2lkCj4gPiAgIGk5MTVfZ2VtX2lkbGVfd29ya19o YW5kbGVyKHN0cnVjdCB3b3JrX3N0cnVjdCAqd29yaykKPiA+ICAgewo+ID4gICAgICAgc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0KPiA+ICAgICAgICAgICAgICAgY29udGFpbmVy X29mKHdvcmssIHR5cGVvZigqZGV2X3ByaXYpLCBndC5pZGxlX3dvcmsud29yayk7Cj4gPiAgICAg ICBib29sIHJlYXJtX2hhbmdjaGVjazsKPiA+ICsgICAgIHUzMiBlcG9jaCA9IDA7Cj4gPiAgICAg ICBrdGltZV90IGVuZDsKPiA+ICAgCj4gPiAgICAgICBpZiAoIVJFQURfT05DRShkZXZfcHJpdi0+ Z3QuYXdha2UpKQo+ID4gQEAgLTM0MDYsNiArMzQ1Myw3IEBAIGk5MTVfZ2VtX2lkbGVfd29ya19o YW5kbGVyKHN0cnVjdCB3b3JrX3N0cnVjdCAqd29yaykKPiA+ICAgICAgIEdFTV9CVUdfT04oIWRl dl9wcml2LT5ndC5hd2FrZSk7Cj4gPiAgICAgICBkZXZfcHJpdi0+Z3QuYXdha2UgPSBmYWxzZTsK PiA+ICAgICAgIHJlYXJtX2hhbmdjaGVjayA9IGZhbHNlOwo+ID4gKyAgICAgZXBvY2ggPSBkZXZf cHJpdi0+Z3QuZXBvY2g7Cj4gPiAgIAo+ID4gICAgICAgaWYgKElOVEVMX0dFTihkZXZfcHJpdikg Pj0gNikKPiA+ICAgICAgICAgICAgICAgZ2VuNl9ycHNfaWRsZShkZXZfcHJpdik7Cj4gPiBAQCAt MzQyMSw2ICszNDY5LDIzIEBAIGk5MTVfZ2VtX2lkbGVfd29ya19oYW5kbGVyKHN0cnVjdCB3b3Jr X3N0cnVjdCAqd29yaykKPiA+ICAgICAgICAgICAgICAgR0VNX0JVR19PTighZGV2X3ByaXYtPmd0 LmF3YWtlKTsKPiA+ICAgICAgICAgICAgICAgaTkxNV9xdWV1ZV9oYW5nY2hlY2soZGV2X3ByaXYp Owo+ID4gICAgICAgfQo+ID4gKwo+ID4gKyAgICAgLyoKPiA+ICsgICAgICAqIFdoZW4gd2UgYXJl IGlkbGUsIGl0IGlzIGFuIG9wcG9ydHVuZSB0aW1lIHRvIHJlYXAgb3VyIGNhY2hlcy4KPiA+ICsg ICAgICAqIEhvd2V2ZXIsIHdlIGhhdmUgbWFueSBvYmplY3RzIHRoYXQgdXRpbGlzZSBSQ1UgYW5k IHRoZSBvcmRlcmVkCj4gPiArICAgICAgKiBpOTE1LT53cSB0aGF0IHRoaXMgd29yayBpcyBleGVj dXRpbmcgb24uIFRvIHRyeSBhbmQgZmx1c2ggYW55Cj4gPiArICAgICAgKiBwZW5kaW5nIGZyZWVz IG5vdyB3ZSBhcmUgaWRsZSwgd2UgZmlyc3Qgd2FpdCBmb3IgYW4gUkNVIGdyYWNlCj4gPiArICAg ICAgKiBwZXJpb2QsIGFuZCB0aGVuIHF1ZXVlIGEgdGFzayAodGhhdCB3aWxsIHJ1biBsYXN0IG9u IHRoZSB3cSkgdG8KPiA+ICsgICAgICAqIHNocmluayBhbmQgcmUtb3B0aW1pemUgdGhlIGNhY2hl cy4KPiA+ICsgICAgICAqLwo+ID4gKyAgICAgaWYgKGVwb2NoID09IFJFQURfT05DRShkZXZfcHJp di0+Z3QuZXBvY2gpKSB7Cj4gCj4gVGhlb3JldGljYWxseSB0aGlzIGNhbiBiZSB0cnVlIG9uIGVw b2NoIHdyYXAtYXJvdW5kLCB3aGVuIHRyeWxvY2sgCj4gZmFpbGVkLiBJdCdzIG9uZSBpbiBmb3Vy IGJpbGxpb24gYnVzeSB0cmFuc2l0aW9ucyBidXQgaXQgY291bGQgYmUganVzdCAKPiB3b3J0aCBo YW5kbGluZyBpdCBleHBsaWNpdGx5LiBTaW1wbGVzdCBwcm9iYWJseSB0byBlbnN1cmUgZ3QuZXBv Y2ggaXMgCj4gbmV2ZXIgemVybyB3aGVuIGluY3JlbWVudGluZz8KCkkgd2FzIHdvcmtpbmcgb24g dGhlIHByaW5jaXBsZSB0aGF0IGEgdTMyIHdyYXBhcm91bmQgdGFrZXMgYXQgbGVhc3QKMTAwbXMg KiAyXjMyLCBvciBhYm91dCAzMjYgeWVhcnMuIDopCi1DaHJpcwpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVs LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK