From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH igt] lib/dummyload: Pad with a few nops so that we do not completely hog the system Date: Wed, 16 Aug 2017 17:45:54 +0300 Message-ID: <87ziazr2ot.fsf@gaia.fi.intel.com> References: <20170816133915.29342-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 62D5B6E4ED for ; Wed, 16 Aug 2017 14:47:16 +0000 (UTC) In-Reply-To: <20170816133915.29342-1-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 Cc: Tomi Sarvela , Daniel Vetter List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gUGFydCBv ZiB0aGUgYXR0cmFjdGlvbiBvZiB1c2luZyBhIHJlY3Vyc2l2ZSBiYXRjaCBpcyB0aGF0IGl0IGlz Cj4gaGFyZCBvbiB0aGUgc3lzdGVtIChleGVjdXRpbmcgdGhlICJmdW5jdGlvbiIgY2FsbCBpcyBh cHBhcmVudGx5Cj4gcXVpdGUgZXhwZW5zaXZlKS4gSG93ZXZlciwgdGhlIEdQVSBtYXkgaG9nIHRo ZSBlbnRpcmUgc3lzdGVtIGZvcgo+IGEgZmV3IG1pbnV0ZXMsIHByZXZlbnRpbmcgZXZlbiBOTUku IFF1aXRlIHdoeSB0aGlzIGlzIHNvIGlzIHVuY2xlYXIsCj4gYnV0IHByZXN1bWFibHkgaXQgcmVs YXRlcyB0byB0aGUgUE1fSU5UUk1TSyB3b3JrYXJvdW5kIG9uIGdlbjYvZ2VuNy4KPiBJZiB3ZSBn aXZlIHRoZSBzeXN0ZW0gYSBicmVhayBieSBoYXZpbmcgdGhlIEdQVSBleGVjdXRlIGEgZmV3IG5v cHMKPiBiZXR3ZWVuIGZ1bmN0aW9uIGNhbGxzLCB0aGF0IGFwcGVhcnMgZW5vdWdoIHRvIGtlZXAg U05CIG91dCBvZgo+IHRyb3VibGUuCj4KCkNhbiB3ZSB0cmlwIGludG8gdGhlIHNhbWUgcGl0IHdp dGggaWd0X2hhbmc/IEl0IGhhcyB0aWdodApyZWN1cnNlLiBBZGRpbmcgZmV3IG5vb3BzIG1ha2Vz IHRoZSBoYW5nY2hlY2sgc2FtcGxlcgp0byBoaXQgbW9yZSBzcGFyc2VseSBhbmQgc2xvdyB0aGUg dmVyZGljdCBvZiBoYW5nLgoKQnV0IHdlIGNhbiB0aGVuIGltcHJvdmUgdGhlIGhldXJpc3RpY3Mg OykKCi1NaWthCgoKCj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13 aWxzb24uY28udWs+Cj4gQ2M6IFRvbWkgU2FydmVsYSA8dG9taS5wLnNhcnZlbGFAaW50ZWwuY29t Pgo+IENjOiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVyQGludGVsLmNvbT4KPiAtLS0KPiAg bGliL2lndF9kdW1teWxvYWQuYyB8IDE4ICsrKysrKysrKysrKysrKystLQo+ICAxIGZpbGUgY2hh bmdlZCwgMTYgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQgYS9s aWIvaWd0X2R1bW15bG9hZC5jIGIvbGliL2lndF9kdW1teWxvYWQuYwo+IGluZGV4IDAwYzZhMDMw Li5jNmU1N2NmZiAxMDA2NDQKPiAtLS0gYS9saWIvaWd0X2R1bW15bG9hZC5jCj4gKysrIGIvbGli L2lndF9kdW1teWxvYWQuYwo+IEBAIC0xMDMsNyArMTAzLDcgQEAgc3RhdGljIHZvaWQgZW1pdF9y ZWN1cnNpdmVfYmF0Y2goaWd0X3NwaW5fdCAqc3BpbiwKPiAgCQkvKiBkdW1teSB3cml0ZSB0byBk ZXBlbmRlbmN5ICovCj4gIAkJb2JqW1NDUkFUQ0hdLmhhbmRsZSA9IGRlcDsKPiAgCQlmaWxsX3Jl bG9jKCZyZWxvY3Nbb2JqW0JBVENIXS5yZWxvY2F0aW9uX2NvdW50KytdLAo+IC0JCQkgICBkZXAs IDI1NiwKPiArCQkJICAgZGVwLCAxMDIwLAo+ICAJCQkgICBJOTE1X0dFTV9ET01BSU5fUkVOREVS LAo+ICAJCQkgICBJOTE1X0dFTV9ET01BSU5fUkVOREVSKTsKPiAgCQlleGVjYnVmLmJ1ZmZlcl9j b3VudCsrOwo+IEBAIC0xMTIsOSArMTEyLDIzIEBAIHN0YXRpYyB2b2lkIGVtaXRfcmVjdXJzaXZl X2JhdGNoKGlndF9zcGluX3QgKnNwaW4sCj4gIAlzcGluLT5iYXRjaCA9IGJhdGNoOwo+ICAJc3Bp bi0+aGFuZGxlID0gb2JqW0JBVENIXS5oYW5kbGU7Cj4gIAo+ICsJLyogUGFkIHdpdGggYSBmZXcg bm9wcyBzbyB0aGF0IHdlIGRvIG5vdCBjb21wbGV0ZWx5IGhvZyB0aGUgc3lzdGVtLgo+ICsJICoK PiArCSAqIFBhcnQgb2YgdGhlIGF0dHJhY3Rpb24gb2YgdXNpbmcgYSByZWN1cnNpdmUgYmF0Y2gg aXMgdGhhdCBpdCBpcwo+ICsJICogaGFyZCBvbiB0aGUgc3lzdGVtIChleGVjdXRpbmcgdGhlICJm dW5jdGlvbiIgY2FsbCBpcyBhcHBhcmVudGx5Cj4gKwkgKiBxdWl0ZSBleHBlbnNpdmUpLiBIb3dl dmVyLCB0aGUgR1BVIG1heSBob2cgdGhlIGVudGlyZSBzeXN0ZW0gZm9yCj4gKwkgKiBhIGZldyBt aW51dGVzLCBwcmV2ZW50aW5nIGV2ZW4gTk1JLiBRdWl0ZSB3aHkgdGhpcyBpcyBzbyBpcyB1bmNs ZWFyLAo+ICsJICogYnV0IHByZXN1bWFibHkgaXQgcmVsYXRlcyB0byB0aGUgUE1fSU5UUk1TSyB3 b3JrYXJvdW5kIG9uIGdlbjYvZ2VuNy4KPiArCSAqIElmIHdlIGdpdmUgdGhlIHN5c3RlbSBhIGJy ZWFrIGJ5IGhhdmluZyB0aGUgR1BVIGV4ZWN1dGUgYSBmZXcgbm9wcwo+ICsJICogYmV0d2VlbiBm dW5jdGlvbiBjYWxscywgdGhhdCBhcHBlYXJzIGVub3VnaCB0byBrZWVwIFNOQiBvdXQgb2YKPiAr CSAqIHRyb3VibGUuIFNlZSBodHRwczovLwo+ICsJICovCj4gKwliYXRjaCArPSAxMDAwOwo+ICsK PiAgCS8qIHJlY3Vyc2UgKi8KPiAgCWZpbGxfcmVsb2MoJnJlbG9jc1tvYmpbQkFUQ0hdLnJlbG9j YXRpb25fY291bnRdLAo+IC0JCSAgIG9ialtCQVRDSF0uaGFuZGxlLCAxLCBJOTE1X0dFTV9ET01B SU5fQ09NTUFORCwgMCk7Cj4gKwkJICAgb2JqW0JBVENIXS5oYW5kbGUsIChiYXRjaCAtIHNwaW4t PmJhdGNoKSArIDEsCj4gKwkJICAgSTkxNV9HRU1fRE9NQUlOX0NPTU1BTkQsIDApOwo+ICAJaWYg KGdlbiA+PSA4KSB7Cj4gIAkJKmJhdGNoKysgPSBNSV9CQVRDSF9CVUZGRVJfU1RBUlQgfCAxIDw8 IDggfCAxOwo+ICAJCSpiYXRjaCsrID0gMDsKPiAtLSAKPiAyLjE0LjEKPgo+IF9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcg bGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeApfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0Cklu dGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK