From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH] drm/i915/pmu: Do not assume fixed hrtimer period Date: Mon, 4 Jun 2018 16:01:26 +0100 Message-ID: <2547acb2-c7e0-b427-6ce8-ae1f4e8dbb2e@linux.intel.com> References: <20180604125239.5856-1-tvrtko.ursulin@linux.intel.com> <152811715261.7032.18163436727010567693@mail.alporthouse.com> <152811738922.7032.4810588326807036972@mail.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 792078908E for ; Mon, 4 Jun 2018 15:01:38 +0000 (UTC) In-Reply-To: <152811738922.7032.4810588326807036972@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 , Tvrtko Ursulin , Intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDA0LzA2LzIwMTggMTQ6MDMsIENocmlzIFdpbHNvbiB3cm90ZToKPiBRdW90aW5nIENocmlz IFdpbHNvbiAoMjAxOC0wNi0wNCAxMzo1OToxMikKPj4gUXVvdGluZyBUdnJ0a28gVXJzdWxpbiAo MjAxOC0wNi0wNCAxMzo1MjozOSkKPj4+IEZyb206IFR2cnRrbyBVcnN1bGluIDx0dnJ0a28udXJz dWxpbkBpbnRlbC5jb20+Cj4+Pgo+Pj4gQXMgQ2hyaXMgaGFzIGRpc2NvdmVyZWQgb24gaGlzIEl2 eWJyaWRnZSwgYW5kIGxhdGVyIGF1dG9tYXRlZCB0ZXN0IHJ1bnMKPj4+IGhhdmUgY29uZmlybWVk LCBvbiBtb3N0IG9mIG91ciBwbGF0Zm9ybXMgaHJ0aW1lciBmYWNlZCB3aXRoIGhlYXZ5IEdQVSBs b2FkCj4+PiBjYSBvY2Nhc2lvbmFsbHkgYmVjb21lIHN1ZmZpY2llbnRseSBpbXByZWNpc2UgdG8g YWZmZWN0IFBNVSBzYW1wbGluZwo+Pgo+PiBzL2NhL2Nhbi8KPj4KPj4+IGNhbGN1bGF0aW9ucy4K Pj4+Cj4+PiBUaGlzIG1lYW5zIHdlIGNhbm5vdCBhc3N1bWUgc2FtcGxpbmcgZnJlcXVlbmN5IGlz IHdoYXQgd2UgYXNrZWQgZm9yLCBidXQKPj4+IHdlIG5lZWQgdG8gbWVhc3VyZSB0aGUgaW50ZXJ2 YWwgb3Vyc2VsdmVzLgo+Pj4KPj4+IFRoaXMgcGF0Y2ggaXMgc2ltaWxhciB0byBDaHJpcycgb3Jp Z2luYWwgcHJvcG9zYWwgZm9yIHBlci1lbmdpbmUgY291bnRlcnMsCj4+PiBidXQgaW5zdGVhZCBv ZiBpbnRyb2R1Y2luZyBhIG5ldyBzZXQgdG8gd29yayBhcm91bmQgdGhlIHByb2JsZW0gd2l0aAo+ Pj4gZnJlcXVlbmN5IHNhbXBsaW5nLCBpdCBzd2FwcyBhcm91bmQgdGhlIHdheSBpbnRlcm5hbCBm cmVxdWVuY3kgYWNjb3VudGluZwo+Pj4gaXMgZG9uZS4gSW5zdGVhZCBvZiBhY2N1bXVsYXRpbmcg Y3VycmVudCBmcmVxdWVuY3kgYW5kIGRpdmlkaW5nIGJ5Cj4+PiBzYW1wbGluZyBmcmVxdWVuY3kg b24gcmVhZG91dCwgaXQgYWNjdW11bGF0ZXMgZnJlcXVlbmN5IHNjYWxlZCBieSBlYWNoCj4+PiBw ZXJpb2QuCj4+Cj4+IE15IHVsdGVyaW9yIG1vdGl2ZSBmYWlsZWQgdG8gd2luIGZhdm91ciA7KQo+ PiAgIAo+Pj4gVGVzdGNhc2U6IGlndC9wZXJmX3BtdS8qYnVzeSogIyBzbmIsIGl2YiwgaHN3Cj4+ PiBTaWduZWQtb2ZmLWJ5OiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29t Pgo+Pj4gU3VnZ2VzdGVkLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51 az4KPj4+IENjOiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPj4gUmV2 aWV3ZWQtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IAo+IEkg c2hvdWxkIHBvaW50IG91dCB0aGF0IGV2ZW4gd2l0aCB0aGlzIGZpeCAob3IgcmF0aGVyIG15IHBh dGNoKSwgd2UgY2FuCgpJIGRpZCBub3QgbWVhbiB0byBzdGVhbCBpdCwganVzdCB0aGF0IHlvdSBz ZWVtZWQgdmVyeSB1bmNvbXByb21pc2luZyBvbiAKdGhlIG5ldyBjb3VudGVycyBhcHByb2FjaC4g SWYgeW91IHByZWZlciB5b3UgY2FuIHJlc3BpbiB5b3VyIHBhdGNoIHdpdGggCnRoaXMgYXBwcm9h Y2ggZm9yIGZyZXF1ZW5jeSBjb3VudGVycywgaXQgaXMgZmluZSBieSBtZS4KCj4gc3RpbGwgc2Vl IGVycm9ycyBvZiAyNS0zMHVzLCBlbm91Z2ggdG8gZmFpbCB0aGUgdGVzdC4gSG93ZXZlciwgd2l0 aG91dAo+IHRoZSBmaXggb3VyIGVycm9ycyBjYW4gYmUgb3JkZXJzIG9mIG1hZ25pdHVkZSB3b3Jz ZSAoZS5nLiByZXBvcnRpbmcgODB1cwo+IGJ1c3kgaW5zdGVhZCBvZiA1MDB1cykuCgpZZWFoIEkg Z3Vlc3MgaWYgdGhlIHRpbWVyIGlzIGRlbGF5ZWQgaXQgaXMgZGVsYXllZCBhbmQgYWxsIHNhbXBs ZXMganVzdCAKd29uJ3QgYmUgdGhlcmUuIEkgZG9uJ3Qgc2VlIGEgd2F5IHRvIGZpeCB0aGF0IGVs ZWdhbnRseS4gRXZlbiBwcmFjdGljYWxseS4KClJlZ2FyZHMsCgpUdnJ0a28KX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==