From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vincent Guittot Subject: Re: [PATCH v5 3/3] PM/runtime:Replace jiffies based accounting with ktime based accounting Date: Fri, 18 Jan 2019 11:42:15 +0100 Message-ID: <20190118104215.GA13168@linaro.org> References: <1545388436-7489-1-git-send-email-vincent.guittot@linaro.org> <1545388436-7489-4-git-send-email-vincent.guittot@linaro.org> <20190117221628.GA21979@roeck-us.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20190117221628.GA21979@roeck-us.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Guenter Roeck Cc: ulf.hansson@linaro.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org, airlied@linux.ie, intel-gfx@lists.freedesktop.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, thara.gopinath@linaro.org, rodrigo.vivi@intel.com List-Id: linux-pm@vger.kernel.org SGkgR3VlbnRlciwKCkxlIFRodXJzZGF5IDE3IEphbiAyMDE5IMOgIDE0OjE2OjI4ICgtMDgwMCks IEd1ZW50ZXIgUm9lY2sgYSDDqWNyaXQgOgo+IE9uIEZyaSwgRGVjIDIxLCAyMDE4IGF0IDExOjMz OjU2QU0gKzAxMDAsIFZpbmNlbnQgR3VpdHRvdCB3cm90ZToKPiA+IEZyb206IFRoYXJhIEdvcGlu YXRoIDx0aGFyYS5nb3BpbmF0aEBsaW5hcm8ub3JnPgo+ID4gCj4gPiBUaGlzIHBhdGNoIHJlcGxh Y2VzIGppZmZpZXMgYmFzZWQgYWNjb3VudGluZyBmb3IgcnVudGltZV9hY3RpdmVfdGltZQo+ID4g YW5kIHJ1bnRpbWVfc3VzcGVuZGVkX3RpbWUgd2l0aCBrdGltZSBiYXNlIGFjY291bnRpbmcuIFRo aXMgbWFrZXMgdGhlCj4gPiBydW50aW1lIGRlYnVnIGNvdW50ZXJzIGlubGluZSB3aXRoIGdlbnBk IGFuZCBvdGhlciBwbSBzdWJzeXRlbXMgd2hpY2gKPiA+IHVzZXMga3RpbWUgYmFzZWQgYWNjb3Vu dGluZy4KPiA+IAo+ID4gdGltZWtlZXBpbmcgaXMgaW5pdGlhbGl6ZWQgYmVmb3JlIHBtX3J1bnRp bWVfaW5pdCgpIHNvIGt0aW1lX2dldCgpIHdpbGwKPiA+IGJlIHJlYWR5IGJlZm9yZSBmaXJzdCBj YWxsLiBJbiBmYWN0LCB0aW1la2VlcGluZ19pbml0KCkgaXMgY2FsbGVkIGVhcmx5Cj4gPiBpbiBz dGFydF9rZXJuZWwoKSB3aGljaCBpcyB3YXkgYmVmb3JlIGRyaXZlcl9pbml0KCkgKGFuZCB0aGF0 J3Mgd2hlbgo+ID4gZGV2aWNlcyBjYW4gc3RhcnQgdG8gYmUgaW5pdGlhbGl6ZWQpIGNhbGxlZCBm cm9tIHJlc3RfaW5pdCgpIHZpYQo+ID4ga2VybmVsX2luaXRfZnJlZWFibGUoKSBhbmQgZG9fYmFz aWNfc2V0dXAoKS4KPiA+IAo+IFRoaXMgaXMgbm90IChhbHdheXMpIGNvcnJlY3QuIE15IHFlbXUg ImNvbGxpZSIgYm9vdCB0ZXN0IGZhaWxzIHdpdGggdGhpcwo+IHBhdGNoIGFwcGxpZWQuIFJldmVy dGluZyB0aGUgcGF0Y2ggZml4ZXMgdGhlIHByb2JsZW0uIEJpc2VjdCBsb2cgYXR0YWNoZWQuCj4g CgpDYW4geW91IHRyeSB0aGUgcGF0Y2ggYmVsb3cgPwprdGltZV9nZXRfbW9ub19mYXN0X25zKCkg aGFzIHRoZSBhZHZhbnRhZ2Ugb2YgYmVpbmcgaW5pdCB3aXRoIGR1bW15IGNsb2NrIHNvCml0IGNh biBiZSB1c2VkIGF0IGVhcmx5X2luaXQuCgotLS0KIGRyaXZlcnMvYmFzZS9wb3dlci9ydW50aW1l LmMgfCA0ICsrLS0KIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25z KC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9iYXNlL3Bvd2VyL3J1bnRpbWUuYyBiL2RyaXZlcnMv YmFzZS9wb3dlci9ydW50aW1lLmMKaW5kZXggYWUxYzcyOC4uMTE4YzdmNiAxMDA2NDQKLS0tIGEv ZHJpdmVycy9iYXNlL3Bvd2VyL3J1bnRpbWUuYworKysgYi9kcml2ZXJzL2Jhc2UvcG93ZXIvcnVu dGltZS5jCkBAIC02Niw3ICs2Niw3IEBAIHN0YXRpYyBpbnQgcnBtX3N1c3BlbmQoc3RydWN0IGRl dmljZSAqZGV2LCBpbnQgcnBtZmxhZ3MpOwogICovCiB2b2lkIHVwZGF0ZV9wbV9ydW50aW1lX2Fj Y291bnRpbmcoc3RydWN0IGRldmljZSAqZGV2KQogewotCXU2NCBub3cgPSBrdGltZV90b19ucyhr dGltZV9nZXQoKSk7CisJdTY0IG5vdyA9IGt0aW1lX2dldF9tb25vX2Zhc3RfbnMoKTsKIAl1NjQg ZGVsdGE7CiAKIAlkZWx0YSA9IG5vdyAtIGRldi0+cG93ZXIuYWNjb3VudGluZ190aW1lc3RhbXA7 CkBAIC0xNTA3LDcgKzE1MDcsNyBAQCB2b2lkIHBtX3J1bnRpbWVfaW5pdChzdHJ1Y3QgZGV2aWNl ICpkZXYpCiAJZGV2LT5wb3dlci5yZXF1ZXN0X3BlbmRpbmcgPSBmYWxzZTsKIAlkZXYtPnBvd2Vy LnJlcXVlc3QgPSBSUE1fUkVRX05PTkU7CiAJZGV2LT5wb3dlci5kZWZlcnJlZF9yZXN1bWUgPSBm YWxzZTsKLQlkZXYtPnBvd2VyLmFjY291bnRpbmdfdGltZXN0YW1wID0ga3RpbWVfdG9fbnMoa3Rp bWVfZ2V0KCkpOworCWRldi0+cG93ZXIuYWNjb3VudGluZ190aW1lc3RhbXAgPSBrdGltZV9nZXRf bW9ub19mYXN0X25zKCk7CiAJSU5JVF9XT1JLKCZkZXYtPnBvd2VyLndvcmssIHBtX3J1bnRpbWVf d29yayk7CiAKIAlkZXYtPnBvd2VyLnRpbWVyX2V4cGlyZXMgPSAwOwotLSAKMi43LjQKCgo+IFdp dGggc29tZSBhZGRlZCBkZWJ1Z2dpbmc6Cj4gCj4gLi4uCj4gSVJRUzogMTYsIG5yX2lycXM6IDY1 LCBwcmVhbGxvY2F0ZWQgaXJxczogNjUKPiBpcnE6IENhbm5vdCBhbGxvY2F0ZSBpcnFfZGVzY3Mg QCBJUlExLCBhc3N1bWluZyBwcmUtYWxsb2NhdGVkCj4gZ3BpbyBncGlvY2hpcDA6ICMjIyMjIyMj IyMjIyMjIyBwbV9ydW50aW1lX2luaXQoKSAjIyMjIyMjIyMjIyMKPiBpcnE6IENhbm5vdCBhbGxv Y2F0ZSBpcnFfZGVzY3MgQCBJUlEzMywgYXNzdW1pbmcgcHJlLWFsbG9jYXRlZAo+ICMjIyMjIyMj IyMjIyMjIHRpbWVrZWVwaW5nX2luaXQoKSAjIyMjIyMjIyMjIyMjIyMjIyMjIwo+IHNjaGVkX2Ns b2NrOiAzMiBiaXRzIGF0IDM2ODZrSHosIHJlc29sdXRpb24gMjcxbnMsIHdyYXBzIGV2ZXJ5IDU4 MjU0MjIyMjIwMG5zXk0KPiAuLi4KPiAKPiBUaGlzIGlzIHdpdGg6Cj4gCj4gdm9pZCBwbV9ydW50 aW1lX2luaXQoc3RydWN0IGRldmljZSAqZGV2KQo+IHsKPiArICAgICAgIGRldl9pbmZvKGRldiwg IiMjIyMjIyMjIyMjIyMjIyBwbV9ydW50aW1lX2luaXQoKSAjIyMjIyMjIyMjIyNcbiIpOwo+ICsK PiAuLi4KPiBAQCAtMTUyNiw2ICsxNTI2LDggQEAgdm9pZCBfX2luaXQgdGltZWtlZXBpbmdfaW5p dCh2b2lkKQo+IAlzdHJ1Y3QgY2xvY2tzb3VyY2UgKmNsb2NrOwo+IAl1bnNpZ25lZCBsb25nIGZs YWdzOwo+IAkJIAo+ICsgICAgICAgcHJfaW5mbygiIyMjIyMjIyMjIyMjIyMgdGltZWtlZXBpbmdf aW5pdCgpICMjIyMjIyMjIyMjIyMjIyMjIyMjXG4iKTsKPiArCj4gCj4gR3VlbnRlcgo+IAo+IC0t LQo+ICMgYmFkOiBbYTM3ZDUwY2EzYjgzN2MxOWEyOTdmMzQ5MzY1ZDExYTIwYzEwODdkMF0gQWRk IGxpbnV4LW5leHQgc3BlY2lmaWMgZmlsZXMgZm9yIDIwMTkwMTE3Cj4gIyBnb29kOiBbMWM3ZmM1 Y2JjMzM5ODBhY2QxM2Q2NjhmMWM4ZjAzMTNkNmFlOWZkOF0gTGludXggNS4wLXJjMgo+IGdpdCBi aXNlY3Qgc3RhcnQgJ0hFQUQnICd2NS4wLXJjMicKPiAjIGJhZDogWzRlZGI4MTdkMjlmZGYxOWZi NWQ1Mjc4NGJiM2MyOWM0MGUwMGY1ODZdIE1lcmdlIHJlbW90ZS10cmFja2luZyBicmFuY2ggJ3Bt L2xpbnV4LW5leHQnCj4gZ2l0IGJpc2VjdCBiYWQgNGVkYjgxN2QyOWZkZjE5ZmI1ZDUyNzg0YmIz YzI5YzQwZTAwZjU4Ngo+ICMgZ29vZDogWzZkOTU4ODY3MjBkMzA2YTE5MTRhN2M5YThhZWIwYmNi YzdhZWYwMThdIE1lcmdlIHJlbW90ZS10cmFja2luZyBicmFuY2ggJ29tYXAvZm9yLW5leHQnCj4g Z2l0IGJpc2VjdCBnb29kIDZkOTU4ODY3MjBkMzA2YTE5MTRhN2M5YThhZWIwYmNiYzdhZWYwMTgK PiAjIGdvb2Q6IFs5NzViNWNkZDc0NDMwYmM4YTA0ZjgzMmQ2NWE0N2NkYjk1YjczZmVjXSBNZXJn ZSByZW1vdGUtdHJhY2tpbmcgYnJhbmNoICdmdXNlL2Zvci1uZXh0Jwo+IGdpdCBiaXNlY3QgZ29v ZCA5NzViNWNkZDc0NDMwYmM4YTA0ZjgzMmQ2NWE0N2NkYjk1YjczZmVjCj4gIyBnb29kOiBbMTEy Mzg2ZDIxODlmYzU0Yjk3OWMzYThiZjY0YjI5MDhkZjkxZTEyM10gTWVyZ2UgcmVtb3RlLXRyYWNr aW5nIGJyYW5jaCAnaTJjL2kyYy9mb3ItbmV4dCcKPiBnaXQgYmlzZWN0IGdvb2QgMTEyMzg2ZDIx ODlmYzU0Yjk3OWMzYThiZjY0YjI5MDhkZjkxZTEyMwo+ICMgZ29vZDogWzM5NDNmMDU5ODIzYjZl MTU4ODQzODdmMzE2MThiODQ4MjZlOTI0YjNdIG1lZGlhOiBjb2RhOiBBZGQgY29udHJvbCBmb3Ig aC4yNjQgY2hyb21hIHFwIGluZGV4IG9mZnNldAo+IGdpdCBiaXNlY3QgZ29vZCAzOTQzZjA1OTgy M2I2ZTE1ODg0Mzg3ZjMxNjE4Yjg0ODI2ZTkyNGIzCj4gIyBnb29kOiBbNDQ5NzBiYmJiYjUwNzll ZTEwMDg3NWIwNmU0NWRiNWQ2ZTkxYTE2ZV0gTWVyZ2UgcmVtb3RlLXRyYWNraW5nIGJyYW5jaCAn djRsLWR2Yi9tYXN0ZXInCj4gZ2l0IGJpc2VjdCBnb29kIDQ0OTcwYmJiYmI1MDc5ZWUxMDA4NzVi MDZlNDVkYjVkNmU5MWExNmUKPiAjIGJhZDogWzU5OTE3MGMyYjg2MGFjYTMzNjQ1NzRmODMzYmI5 Y2M4MDFjOTY2OGRdIE1lcmdlIGJyYW5jaCAncG0tY29yZScgaW50byBsaW51eC1uZXh0Cj4gZ2l0 IGJpc2VjdCBiYWQgNTk5MTcwYzJiODYwYWNhMzM2NDU3NGY4MzNiYjljYzgwMWM5NjY4ZAo+ICMg Z29vZDogWzM0N2Q1NzA5MTljYTlhM2EzNjUzY2U5Y2JiNzM5OWM3YzBiYTgyNDhdIE1lcmdlIGJy YW5jaCAnYWNwaS1wY2knIGludG8gbGludXgtbmV4dAo+IGdpdCBiaXNlY3QgZ29vZCAzNDdkNTcw OTE5Y2E5YTNhMzY1M2NlOWNiYjczOTljN2MwYmE4MjQ4Cj4gIyBnb29kOiBbZTBhOWZkZTg2YmEx YmMyNmRkNzU0YzczM2IzMmU3MGNkOGYxYzE4N10gTWVyZ2UgYnJhbmNoZXMgJ2FjcGktdGFibGVz JyBhbmQgJ2FjcGktYXBlaScgaW50byBsaW51eC1uZXh0Cj4gZ2l0IGJpc2VjdCBnb29kIGUwYTlm ZGU4NmJhMWJjMjZkZDc1NGM3MzNiMzJlNzBjZDhmMWMxODcKPiAjIGdvb2Q6IFszYjRlZDJlMmVi NTU4Mzc3NGExZWQ0YWE0NTk2YTVhM2M1NWYyNTY3XSBkcm0vaTkxNTogTW92ZSBvbiB0aGUgbmV3 IHBtIHJ1bnRpbWUgaW50ZXJmYWNlCj4gZ2l0IGJpc2VjdCBnb29kIDNiNGVkMmUyZWI1NTgzNzc0 YTFlZDRhYTQ1OTZhNWEzYzU1ZjI1NjcKPiAjIGJhZDogW2M3NWMzMDM5MzNhNjhjNTQ3ZjMzNTJk MWQ3MDg4NDNmOTQ0OWQzZjRdIFBNOiBjbG9ja19vcHM6IGZpeCBtaXNzaW5nIGNsa19wcmVwYXJl KCkgcmV0dXJuIHZhbHVlIGNoZWNrCj4gZ2l0IGJpc2VjdCBiYWQgYzc1YzMwMzkzM2E2OGM1NDdm MzM1MmQxZDcwODg0M2Y5NDQ5ZDNmNAo+ICMgYmFkOiBbMzk4MmFiOWNlNDMzZWZjNzJjYTMxZWI5 ZGRjODVkOTM1NTk2NjQ0NF0gUE0tcnVudGltZTogUmVwbGFjZSBqaWZmaWVzIGJhc2VkIGFjY291 bnRpbmcgd2l0aCBrdGltZS1iYXNlZCBhY2NvdW50aW5nCj4gZ2l0IGJpc2VjdCBiYWQgMzk4MmFi OWNlNDMzZWZjNzJjYTMxZWI5ZGRjODVkOTM1NTk2NjQ0NAo+ICMgZmlyc3QgYmFkIGNvbW1pdDog WzM5ODJhYjljZTQzM2VmYzcyY2EzMWViOWRkYzg1ZDkzNTU5NjY0NDRdIFBNLXJ1bnRpbWU6IFJl cGxhY2UgamlmZmllcyBiYXNlZCBhY2NvdW50aW5nIHdpdGgga3RpbWUtYmFzZWQgYWNjb3VudGlu ZwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2 ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK