From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 83E636E0C0 for ; Thu, 1 Feb 2018 16:37:32 +0000 (UTC) References: <20180201124746.10641-1-tvrtko.ursulin@linux.intel.com> <20180201124746.10641-3-tvrtko.ursulin@linux.intel.com> <151748996080.28099.16509574972271124101@mail.alporthouse.com> From: Tvrtko Ursulin Message-ID: <133ce780-d3ee-d46b-dfde-c26a87bc58c8@linux.intel.com> Date: Thu, 1 Feb 2018 16:37:29 +0000 MIME-Version: 1.0 In-Reply-To: <151748996080.28099.16509574972271124101@mail.alporthouse.com> Content-Language: en-GB Subject: Re: [igt-dev] [PATCH i-g-t 2/3] tests/perf_pmu: More busy measurement tightening List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" To: Chris Wilson , Tvrtko Ursulin , igt-dev@lists.freedesktop.org Cc: Tvrtko Ursulin List-ID: Ck9uIDAxLzAyLzIwMTggMTI6NTksIENocmlzIFdpbHNvbiB3cm90ZToKPiBRdW90aW5nIFR2cnRr byBVcnN1bGluICgyMDE4LTAyLTAxIDEyOjQ3OjQ1KQo+PiBGcm9tOiBUdnJ0a28gVXJzdWxpbiA8 dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgo+Pgo+PiBXaGVyZSB3ZSB1c2UgbWVhc3VyZWQgc2xl ZXBzLCB0YWtlIFBNVSBzYW1wbGVzIGltbWVkaWF0ZWx5IGJlZm9yZSBhbmQKPj4gYWZ0ZXIgYW5k IGxvb2sgYXQgdGhlaXIgZGVsdGEgaW4gb3JkZXIgdG8gbWluaW1pemUgdGhlIGVmZmVjdCBvZiBh bnkKPj4gdGVzdCBzZXR1cCBkZWxheXMuCj4gCj4gVGhlIHN5c3RlbSBhbmQgcG11IHdlcmUgbWVh bnQgdG8gYmUgaWRsZSBhdCB0aGUgc3RhcnQgb2YgdGhlIHRlc3QsCj4gcmlnaHQ/IFNvIHZhbCBz aG91bGQgYWx3YXlzIGJlIHplcm8/CgpZZXMsIGJ1dCB0aGVyZSBpcyBhIHRpbWUgZGVsYXkgYmV0 d2VlbiBzdGFydGluZyB0aGUgY291bnRlcnMgYW5kIAphcHBseWluZyBidXN5bmVzcy4gRm9yIGlu c3RhbmNlLCBidXN5LWNoZWNrLWFsbCwgY3VycmVudCB2ZXJzaW9uOgoKCS4uLiBwbXUgb3BlbiBz b21ld2hlcmUgYmVmb3JlIC4uLgoKICAJc3BpbiA9IGlndF9zcGluX2JhdGNoX25ldyhnZW1fZmQs IDAsIGUycmluZyhnZW1fZmQsIGUpLCAwKTsKICAJc2xlcHQgPSBtZWFzdXJlZF91c2xlZXAoYmF0 Y2hfZHVyYXRpb25fbnMgLyAxMDAwKTsKCXBtdV9yZWFkX211bHRpKGZkWzBdLCBudW1fZW5naW5l cywgdmFsKTsKCkluIHRoaXMgY2FzZSB0aGUgc2xlcHQgdmFsdWUgdnMgdGhlIHJlYWQgYnVzeW5l c3Mgd2lsbCBtaXNzIGEgdGlueSBiaXQgCmJldHdlZW4gaWd0X3NwaW5fYmF0Y2hfbmV3IHRvIG1l YXN1cmVkX3VzbGVlcC4gUHJvYmFibHkgbWluaW1hbCBpbmRlZWQsIApidXQgSSB0aG91Z2h0IGp1 c3QgZm9yIGV4dHJhIHNhZmV0eSB0byB0YWtlIGV4cGxpY2l0IGluaXRpYWwgcmVhZCBqdXN0IApi ZWZvcmUgdGhlIHNsZWVwLCBzbzoKCiAgCXNwaW4gPSBpZ3Rfc3Bpbl9iYXRjaF9uZXcoZ2VtX2Zk LCAwLCBlMnJpbmcoZ2VtX2ZkLCBlKSwgMCk7CglwbXVfcmVhZF9tdWx0aShmZFswXSwgbnVtX2Vu Z2luZXMsIHR2YWxbMF0pOwogIAlzbGVwdCA9IG1lYXN1cmVkX3VzbGVlcChiYXRjaF9kdXJhdGlv bl9ucyAvIDEwMDApOwoJcG11X3JlYWRfbXVsdGkoZmRbMF0sIG51bV9lbmdpbmVzLCB0dmFsWzFd KTsKCk1vcmUgaW1wb3J0YW50bHksIGl0IGlzIGEgcG90ZW50aWFsbHkgbGFyZ2VyIHRpbWUgZGVs dGEgaW4gdGVzdHMgd2hpY2ggCm9wZW4gbXVsdGlwbGUgY291bnRlcnMgYWZ0ZXIgc3RhcnRpbmcg dGhlIHNwaW5uZXIuIExpa2UgCm1vc3RfYnVzeV9jaGVja19hbGwgZm9yIGluc3RhbmNlOgoKCS4u LiBzdGFydCBzcGluIGJhdGNoLi4uCgogIAlmb3IgKGkgPSAwOyBpIDwgbnVtX2VuZ2luZXM7IGkr KykKICAJCWZkW2ldID0gb3Blbl9ncm91cCh2YWxbaV0sIGZkWzBdKTsKCiAgCXNsZXB0ID0gbWVh c3VyZWRfdXNsZWVwKGJhdGNoX2R1cmF0aW9uX25zIC8gMTAwMCk7CglwbXVfcmVhZF9tdWx0aShm ZFswXSwgbnVtX2VuZ2luZXMsIHZhbCk7CgpTbyB0aGUgY291bnRlciB2YWx1ZSByZWxhdGl2ZSB0 byBzbGVwdCB2YWx1ZSB3aWxsIGluY2x1ZGUgdGltZSBzcGVudCAKb3BlbmluZyBudW1fZW5naW5l cyBldmVudC4gT25jZSBhZ2FpbiBjaGFuZ2UgdG8gdGFrZSBhbiBleHBsaWNpdCBpbml0aWFsIAp2 YWx1ZSBqdXN0IGJlZm9yZSB0aGUgc2xlZXAgbG9va2VkIHJlYXNvbmFibGUgdG8gbWUuCgpSZWdh cmRzLAoKVHZydGtvCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmlndC1kZXYgbWFpbGluZyBsaXN0CmlndC1kZXZAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaWd0LWRldgo=