From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sagar Arun Kamble Subject: Re: [RFC 1/4] drm/i915/perf: Add support to correlate GPU timestamp with system time Date: Wed, 15 Nov 2017 22:11:44 +0530 Message-ID: References: <1510748034-14034-1-git-send-email-sagar.a.kamble@intel.com> <1510748034-14034-2-git-send-email-sagar.a.kamble@intel.com> <151074872901.26264.3145709294590477412@mail.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 308BF6E18B for ; Wed, 15 Nov 2017 16:41:49 +0000 (UTC) In-Reply-To: <151074872901.26264.3145709294590477412@mail.alporthouse.com> Content-Language: en-US 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: Sourab Gupta , Matthew Auld List-Id: intel-gfx@lists.freedesktop.org CgpPbiAxMS8xNS8yMDE3IDU6NTUgUE0sIENocmlzIFdpbHNvbiB3cm90ZToKPiBRdW90aW5nIFNh Z2FyIEFydW4gS2FtYmxlICgyMDE3LTExLTE1IDEyOjEzOjUxKQo+PiAgICNpbmNsdWRlIDxkcm0v ZHJtUC5oPgo+PiAgICNpbmNsdWRlIDxkcm0vaW50ZWwtZ3R0Lmg+Cj4+IEBAIC0yMTQ5LDYgKzIx NTAsMTQgQEAgc3RydWN0IGk5MTVfcGVyZl9zdHJlYW0gewo+PiAgICAgICAgICAgKiBAb2FfY29u ZmlnOiBUaGUgT0EgY29uZmlndXJhdGlvbiB1c2VkIGJ5IHRoZSBzdHJlYW0uCj4+ICAgICAgICAg ICAqLwo+PiAgICAgICAgICBzdHJ1Y3QgaTkxNV9vYV9jb25maWcgKm9hX2NvbmZpZzsKPj4gKwo+ PiArICAgICAgIC8qKgo+PiArICAgICAgICAqIFN5c3RlbSB0aW1lIGNvcnJlbGF0aW9uIHZhcmlh Ymxlcy4KPj4gKyAgICAgICAgKi8KPj4gKyAgICAgICBzdHJ1Y3QgY3ljbGVjb3VudGVyIGNjOwo+ PiArICAgICAgIHNwaW5sb2NrX3Qgc3lzdGltZV9sb2NrOwo+PiArICAgICAgIHN0cnVjdCB0aW1l c3BlYzY0IHN0YXJ0X3N5c3RpbWU7Cj4+ICsgICAgICAgc3RydWN0IHRpbWVjb3VudGVyIHRjOwo+ IFRoaXMgcGF0dGVybiBpcyByZXBlYXRlZCBhIGxvdCBieSBzdHJ1Y3QgdGltZWNvdW50ZXIgdXNl cnMuIChJJ20gc3RpbGwKPiB0cnlpbmcgdG8gdW5kZXJzdGFuZCB3aHkgdGhlIGNvbW1vbiBjYXNl IGlzIG5vdCBjYXRlcmVkIGZvciBieSBhCj4gY29udmVuaWVuY2UgdGltZWNvdW50ZXIgYXBpLikK WWVzLiBMb29rcyBnb29kIGNhc2UgdG8gY2hhbmdlIHRoZSBjeWNsZWNvdW50ZXIqIG1lbWJlciBp biB0aW1lY291bnRlciAKdG8gY3ljbGVjb3VudGVyLgpBbmQgdGhlbiB3ZSBjYW4gYXZvaWQgc2Vw YXJhdGUgY3ljbGVjb3VudGVyLgo+Cj4+ICAgfTsKPj4gICAKPj4gICAvKioKPj4gZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcGVyZi5jIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV9wZXJmLmMKPj4gaW5kZXggMDBiZTAxNS4uNzJkZGMzNCAxMDA2NDQKPj4gLS0tIGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9wZXJmLmMKPj4gKysrIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9wZXJmLmMKPj4gQEAgLTE5Miw2ICsxOTIsNyBAQAo+PiAgICAqLwo+PiAgIAo+ PiAgICNpbmNsdWRlIDxsaW51eC9hbm9uX2lub2Rlcy5oPgo+PiArI2luY2x1ZGUgPGxpbnV4L2Ns b2Nrc291cmNlLmg+Cj4+ICAgI2luY2x1ZGUgPGxpbnV4L3NpemVzLmg+Cj4+ICAgI2luY2x1ZGUg PGxpbnV4L3V1aWQuaD4KPj4gICAKPj4gQEAgLTIzOTEsNiArMjM5Miw1NiBAQCBzdGF0aWMgdW5z aWduZWQgaW50IGk5MTVfcGVyZl9wb2xsKHN0cnVjdCBmaWxlICpmaWxlLCBwb2xsX3RhYmxlICp3 YWl0KQo+PiAgIH0KPj4gICAKPj4gICAvKioKPj4gKyAqIGk5MTVfY3ljbGVjb3VudGVyX3JlYWQg LSByZWFkIHJhdyBjeWNsZS90aW1lc3RhbXAgY291bnRlcgo+PiArICogQGNjOiBjeWNsZWNvdW50 ZXIgc3RydWN0dXJlCj4+ICsgKi8KPj4gK3N0YXRpYyB1NjQgaTkxNV9jeWNsZWNvdW50ZXJfcmVh ZChjb25zdCBzdHJ1Y3QgY3ljbGVjb3VudGVyICpjYykKPj4gK3sKPj4gKyAgICAgICBzdHJ1Y3Qg aTkxNV9wZXJmX3N0cmVhbSAqc3RyZWFtID0gY29udGFpbmVyX29mKGNjLCB0eXBlb2YoKnN0cmVh bSksIGNjKTsKPj4gKyAgICAgICBzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSBz dHJlYW0tPmRldl9wcml2Owo+PiArICAgICAgIHU2NCB0c19jb3VudDsKPj4gKwo+PiArICAgICAg IGludGVsX3J1bnRpbWVfcG1fZ2V0KGRldl9wcml2KTsKPj4gKyAgICAgICB0c19jb3VudCA9IEk5 MTVfUkVBRDY0XzJ4MzIoR0VONF9USU1FU1RBTVAsCj4+ICsgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgIEdFTjdfVElNRVNUQU1QX1VEVyk7Cj4+ICsgICAgICAgaW50ZWxfcnVudGlt ZV9wbV9wdXQoZGV2X3ByaXYpOwo+PiArCj4+ICsgICAgICAgcmV0dXJuIHRzX2NvdW50Owo+PiAr fQo+PiArCj4+ICtzdGF0aWMgdm9pZCBpOTE1X3BlcmZfaW5pdF9jeWNsZWNvdW50ZXIoc3RydWN0 IGk5MTVfcGVyZl9zdHJlYW0gKnN0cmVhbSkKPj4gK3sKPj4gKyAgICAgICBzdHJ1Y3QgZHJtX2k5 MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSBzdHJlYW0tPmRldl9wcml2Owo+PiArICAgICAgIGludCBj c190c19mcmVxID0gZGV2X3ByaXYtPnBlcmYub2EudGltZXN0YW1wX2ZyZXF1ZW5jeTsKPj4gKyAg ICAgICBzdHJ1Y3QgY3ljbGVjb3VudGVyICpjYyA9ICZzdHJlYW0tPmNjOwo+PiArICAgICAgIHUz MiBtYXhzZWM7Cj4+ICsKPj4gKyAgICAgICBjYy0+cmVhZCA9IGk5MTVfY3ljbGVjb3VudGVyX3Jl YWQ7Cj4+ICsgICAgICAgY2MtPm1hc2sgPSBDWUNMRUNPVU5URVJfTUFTSyhDU19USU1FU1RBTVBf V0lEVEgoZGV2X3ByaXYpKTsKPj4gKyAgICAgICBtYXhzZWMgPSBjYy0+bWFzayAvIGNzX3RzX2Zy ZXE7Cj4+ICsKPj4gKyAgICAgICBjbG9ja3NfY2FsY19tdWx0X3NoaWZ0KCZjYy0+bXVsdCwgJmNj LT5zaGlmdCwgY3NfdHNfZnJlcSwKPj4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIE5T RUNfUEVSX1NFQywgbWF4c2VjKTsKPj4gK30KPj4gKwo+PiArc3RhdGljIHZvaWQgaTkxNV9wZXJm X2luaXRfdGltZWNvdW50ZXIoc3RydWN0IGk5MTVfcGVyZl9zdHJlYW0gKnN0cmVhbSkKPj4gK3sK Pj4gKyNkZWZpbmUgU1lTVElNRV9TVEFSVF9PRkZTRVQgICAzNTAwMDAgLyogQ291bnRlciByZWFk IHRha2VzIGFib3V0IDM1MHVzICovCj4+ICsgICAgICAgdW5zaWduZWQgbG9uZyBmbGFnczsKPj4g KyAgICAgICB1NjQgbnM7Cj4+ICsKPj4gKyAgICAgICBpOTE1X3BlcmZfaW5pdF9jeWNsZWNvdW50 ZXIoc3RyZWFtKTsKPj4gKyAgICAgICBzcGluX2xvY2tfaW5pdCgmc3RyZWFtLT5zeXN0aW1lX2xv Y2spOwo+PiArCj4+ICsgICAgICAgZ2V0bnN0aW1lb2ZkYXk2NCgmc3RyZWFtLT5zdGFydF9zeXN0 aW1lKTsKPj4gKyAgICAgICBucyA9IHRpbWVzcGVjNjRfdG9fbnMoJnN0cmVhbS0+c3RhcnRfc3lz dGltZSkgKyBTWVNUSU1FX1NUQVJUX09GRlNFVDsKPiBVc2Uga3RpbWUgZGlyZWN0bHkuIE9yIGVs c2UgQXJuZCB3aWxsIGJlIGJhY2sgd2l0aCBhIHBhdGNoIHRvIGZpeCBpdC4KPiAoQWxsIG5vbi1r dGltZSBpbnRlcmZhY2VzIGFyZSBlZmZlY3RpdmVseSBkZXByZWNhdGVkOyBvYnNvbGV0ZSBmb3IK PiBkcml2ZXJzLikKT2suIFdpbGwgdXBkYXRlLgo+Cj4+ICsgICAgICAgc3Bpbl9sb2NrX2lycXNh dmUoJnN0cmVhbS0+c3lzdGltZV9sb2NrLCBmbGFncyk7Cj4+ICsgICAgICAgdGltZWNvdW50ZXJf aW5pdCgmc3RyZWFtLT50YywgJnN0cmVhbS0+Y2MsIG5zKTsKPj4gKyAgICAgICBzcGluX3VubG9j a19pcnFyZXN0b3JlKCZzdHJlYW0tPnN5c3RpbWVfbG9jaywgZmxhZ3MpOwo+PiArfQo+PiArCj4+ ICsvKioKPj4gICAgKiBpOTE1X3BlcmZfZW5hYmxlX2xvY2tlZCAtIGhhbmRsZSBgSTkxNV9QRVJG X0lPQ1RMX0VOQUJMRWAgaW9jdGwKPj4gICAgKiBAc3RyZWFtOiBBIGRpc2FibGVkIGk5MTUgcGVy ZiBzdHJlYW0KPj4gICAgKgo+PiBAQCAtMjQwOCw2ICsyNDU5LDggQEAgc3RhdGljIHZvaWQgaTkx NV9wZXJmX2VuYWJsZV9sb2NrZWQoc3RydWN0IGk5MTVfcGVyZl9zdHJlYW0gKnN0cmVhbSkKPj4g ICAgICAgICAgLyogQWxsb3cgc3RyZWFtLT5vcHMtPmVuYWJsZSgpIHRvIHJlZmVyIHRvIHRoaXMg Ki8KPj4gICAgICAgICAgc3RyZWFtLT5lbmFibGVkID0gdHJ1ZTsKPj4gICAKPj4gKyAgICAgICBp OTE1X3BlcmZfaW5pdF90aW1lY291bnRlcihzdHJlYW0pOwo+PiArCj4+ICAgICAgICAgIGlmIChz dHJlYW0tPm9wcy0+ZW5hYmxlKQo+PiAgICAgICAgICAgICAgICAgIHN0cmVhbS0+b3BzLT5lbmFi bGUoc3RyZWFtKTsKPj4gICB9Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p OTE1X3JlZy5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZWcuaAo+PiBpbmRleCBjZmRm NGY4Li5lN2U2OTY2IDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3Jl Zy5oCj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVnLmgKPj4gQEAgLTg4ODIs NiArODg4MiwxMiBAQCBlbnVtIHNrbF9wb3dlcl9nYXRlIHsKPj4gICAKPj4gICAvKiBHZW40KyBU aW1lc3RhbXAgYW5kIFBpcGUgRnJhbWUgdGltZSBzdGFtcCByZWdpc3RlcnMgKi8KPj4gICAjZGVm aW5lIEdFTjRfVElNRVNUQU1QICAgICAgICAgX01NSU8oMHgyMzU4KQo+PiArI2RlZmluZSBHRU43 X1RJTUVTVEFNUF9VRFcgICAgIF9NTUlPKDB4MjM1QykKPj4gKyNkZWZpbmUgUFJFX0dFTjdfVElN RVNUQU1QX1dJRFRIICAgICAgIDMyCj4+ICsjZGVmaW5lIEdFTjdfVElNRVNUQU1QX1dJRFRIICAg ICAgICAgICAzNgo+PiArI2RlZmluZSBDU19USU1FU1RBTVBfV0lEVEgoZGV2X3ByaXYpIFwKPj4g KyAgICAgICAoSU5URUxfR0VOKGRldl9wcml2KSA8IDcgPyBQUkVfR0VON19USU1FU1RBTVBfV0lE VEggOiBcCj4+ICsgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgR0VON19USU1FU1RB TVBfV0lEVEgpCj4gcy9QUkVfR0VONy9HRU40LyB3b3VsZCBiZSBjb25zaXN0ZW50Lgo+IElmIHlv dSByZWFsbHkgd2FudCB0byBhZGQgc3VwcG9ydCBmb3IgZWFybGllciwgSTlYWF8uClllcy4KPgo+ IE9rLiBJIGNhbiBhY2NlcHQgdGhlIGp1c3RpZmljYXRpb24sIGFuZCB3ZSBhcmUgbm90IHRoZSBv bmx5IG9uZXMgd2hvIGRvCj4gdGhlIGN5Y2xlY291bnRlciAtPiB0aW1lY291bnRlciBjb3JyZWN0 aW9uIGxpa2UgdGhpcy4KPiAtQ2hyaXMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2ludGVsLWdmeAo=