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Wysocki" Subject: Re: [RFC 0/3] Introduce cpufreq minimum load QoS Thread-Topic: [RFC 0/3] Introduce cpufreq minimum load QoS Thread-Index: AQHWGi06wBgeAQBseECYOK/U7Qvw76iQJdAAgAACCYCAAAQ3AIABBseAgAAT0wCAAE7QgA== Date: Thu, 30 Apr 2020 13:46:00 +0000 Message-ID: References: <20200424114058.21199-1-benjamin.gaignard@st.com> <7657495.QyJl4BcWH5@kreacher> <30cdecf9-703a-eb2b-7c2b-f1e21c805add@st.com> <70e743cf-b88e-346a-5114-939b8724c83d@arm.com> <6b5cde14-58b3-045d-9413-223e66b87bf0@st.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.50] Content-ID: <38939A4E8611F444B3EC426000050A86@st.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-04-30_08:2020-04-30, 2020-04-30 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200430_064614_983519_D148081B X-CRM114-Status: GOOD ( 23.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "len.brown@intel.com" , Alexandre TORGUE , "linux-pm@vger.kernel.org" , "viresh.kumar@linaro.org" , "pavel@ucw.cz" , "Rafael J. Wysocki" , "linux-kernel@vger.kernel.org" , "linux-stm32@st-md-mailman.stormreply.com" , Patrick Bellasi , "mcoquelin.stm32@gmail.com" , Hugues FRUCHET , "mchehab@kernel.org" , Valentin Schneider , "linux-arm-kernel@lists.infradead.org" , "linux-media@vger.kernel.org" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DQoNCk9uIDQvMzAvMjAgMTE6MDMgQU0sIFJhZmFlbCBKLiBXeXNvY2tpIHdyb3RlOg0KPiBPbiBU aHUsIEFwciAzMCwgMjAyMCBhdCA5OjUzIEFNIEJlbmphbWluIEdBSUdOQVJEDQo+IDxiZW5qYW1p bi5nYWlnbmFyZEBzdC5jb20+IHdyb3RlOg0KPj4NCj4+DQo+PiBPbiA0LzI5LzIwIDY6MTIgUE0s IFZhbGVudGluIFNjaG5laWRlciB3cm90ZToNCj4+PiBPbiAyOS8wNC8yMDIwIDE2OjU3LCBCZW5q YW1pbiBHQUlHTkFSRCB3cm90ZToNCj4+Pj4gT24gNC8yOS8yMCA1OjUwIFBNLCBSYWZhZWwgSi4g V3lzb2NraSB3cm90ZToNCj4+Pj4+IE9uIEZyaWRheSwgQXByaWwgMjQsIDIwMjAgMTo0MDo1NSBQ TSBDRVNUIEJlbmphbWluIEdhaWduYXJkIHdyb3RlOg0KPj4+Pj4+IFdoZW4gc3RhcnQgc3RyZWFt aW5nIGZyb20gdGhlIHNlbnNvciB0aGUgQ1BVIGxvYWQgY291bGQgcmVtYWluIHZlcnkgbG93DQo+ Pj4+Pj4gYmVjYXVzZSBhbG1vc3QgYWxsIHRoZSBjYXB0dXJlIHBpcGVsaW5lIGlzIGRvbmUgaW4g aGFyZHdhcmUgKGkuZS4gd2l0aG91dA0KPj4+Pj4+IHVzaW5nIHRoZSBDUFUpIGFuZCBsZXQgYmVs aWV2ZSB0byBjcHVmcmVxIGdvdmVybm9yIHRoYXQgaXQgY291bGQgdXNlIGxvd2VyDQo+Pj4+Pj4g ZnJlcXVlbmNpZXMuIElmIHRoZSBnb3Zlcm5vciBkZWNpZGVzIHRvIHVzZSBhIHRvbyBsb3cgZnJl cXVlbmN5IHRoYXQNCj4+Pj4+PiBiZWNvbWVzIGEgcHJvYmxlbSB3aGVuIHdlIG5lZWQgdG8gYWNr bm93bGVkZ2UgdGhlIGludGVycnVwdCBkdXJpbmcgdGhlDQo+Pj4+Pj4gYmxhbmtpbmcgdGltZS4N Cj4+Pj4+PiBUaGUgZGVsYXkgdG8gYWNrIHRoZSBpbnRlcnJ1cHQgYW5kIHBlcmZvcm0gYWxsIHRo ZSBvdGhlciBhY3Rpb25zIGJlZm9yZQ0KPj4+Pj4+IHRoZSBuZXh0IGZyYW1lIGlzIHZlcnkgc2hv cnQgYW5kIGRvZXNuJ3QgYWxsb3cgdG8gdGhlIGNwdWZyZXEgZ292ZXJub3IgdG8NCj4+Pj4+PiBw cm92aWRlIHRoZSByZXF1aXJlZCBidXJzdCBvZiBwb3dlci4gVGhhdCBsZWQgdG8gZHJvcCB0aGUg aGFsZiBvZiB0aGUgZnJhbWVzLg0KPj4+Pj4+DQo+Pj4+Pj4gVG8gYXZvaWQgdGhpcyBwcm9ibGVt LCBEQ01JIGRyaXZlciBpbmZvcm1zIHRoZSBjcHVmcmVxIGdvdmVybm9ycyBieSBhZGRpbmcNCj4+ Pj4+PiBhIGNwdWZyZXEgbWluaW11bSBsb2FkIFFvUyByZXNxdWVzdC4NCj4+Pj4+IFRoaXMgc2Vl bXMgdG8gYmUgYWRkcmVzc2luZyBhIHVzZSBjYXNlIHRoYXQgY2FuIGJlIGFkZHJlc3NlZCB3aXRo IHRoZSBoZWxwIG9mDQo+Pj4+PiB1dGlsaXphdGlvbiBjbGFtcHMgd2l0aCBsZXNzIHBvd2VyIG92 ZXJoZWFkLg0KPj4+PiBEbyBtZWFuIGNsYW1waW5nIHRoZSBwb2xpY3kgZnJlcXVlbmNpZXMgPyBJ IG1heSBoYXZlIG1pc3MgdGhlIEFQSSB0byBkbw0KPj4+PiB0aGF0Li4uDQo+Pj4gSUlVQyBSYWZh ZWwgaXMgcmVmZXJyaW5nIHRvIHVjbGFtcCwgaS5lLiBzY2hlZHVsZXIgdXRpbGl6YXRpb24gY2xh bXBpbmcsIHNlZToNCj4+Pg0KPj4+ICAgICBodHRwczovL3d3dy5rZXJuZWwub3JnL2RvYy9odG1s L2xhdGVzdC9hZG1pbi1ndWlkZS9jZ3JvdXAtdjIuaHRtbCNjcHUNCj4+Pg0KPj4+IFRoZSBhYm92 ZSBkZXNjcmliZXMgdGhlIGNncm91cCBpbnRlcmZhY2UsIG5vdGUgdGhhdCB5b3UgY2FuIGFsc28g c2V0IGNsYW1wcw0KPj4+IHBlciB0YXNrICh2aWEgc2NoZWRfc2V0YXR0cigpKS4NCj4+Pg0KPj4+ IE9uZSB0aGluZyB0aGF0IGNvbWVzIHRvIG1pbmQgaG93ZXZlciBpcyB0aGF0IHNjaGVkdXRpbCBv bmx5ICJzZWVzIiB0aGUgY2xhbXBzDQo+Pj4gb2YgcnVubmFibGUgdGFza3MsIGFuZCBmcm9tIHJl YWRpbmcgeW91ciBjaGFuZ2Vsb2cgeW91IG1heSBub3QgaGF2ZSBtb21lbnRzDQo+Pj4gd2l0aG91 dCBhbnkgKGkuZS4gZ2VhcnMgYXJlIGdyaW5kaW5nIGluIEhXKS4gWW91J2QgaGF2ZSB0byB0cnkg Ym9vc3RpbmcNCj4+PiAoc2V0dGluZyBhIGhpZ2ggdWNsYW1wLm1pbikgd2hhdGV2ZXIgdGFza3Mg eW91IGhhdmUgb24gdGhlIHNvZnR3YXJlIHNpZGUgYW5kDQo+Pj4gc2VlIGhvdyBpdCBhbGwgYmVo YXZlcy4NCj4+IFJlbHlpbmcgb24gdXNlcmxhbmQgc2lkZSBtZWFucyB0aGF0IHZhcmlvdXMgYXBw bGljYXRpb25zIG5lZWQgdG8gYmUgYXdhcmUNCj4+IG9mIHRoaXMgc3BlY2lmaWMgaGFyZHdhcmUg Y2FzZSBhbmQgZml4IGl0LiBJIHdhcyBob3BpbmcgdG8gZmluZCBhDQo+PiBzb2x1dGlvbiBpbiBz aWRlIHRoZSBrZXJuZWwNCj4+IHRvIG5vdCBpbXBhY3QgdGhlIHNvZnR3YXJlIHNpZGUuDQo+IFRo YXQncyBub3Qgd2hhdCBJIG1lYW50Lg0KPg0KPiBJIHN1cHBvc2UgdGhhdCB0aGUgaW50ZXJydXB0 IHByb2Nlc3NpbmcgaW4gcXVlc3Rpb24gdGFrZXMgcGxhY2UgaW4NCj4gcHJvY2VzcyBjb250ZXh0 IGFuZCBzbyB5b3UgbWF5IHNldCB0aGUgbG93ZXIgY2xhbXAgb24gdGhlIHV0aWxpemF0aW9uDQo+ IG9mIHRoZSB0YXNrIGNhcnJ5aW5nIHRoYXQgb3V0Lg0KSSBoYXZlIHRyeSB0byBhZGQgdGhpcyBj b2RlIHdoZW4gc3RhcnRpbmcgc3RyZWFtaW5nIChiZWZvcmUgdGhlIGZpcnN0IA0KaW50ZXJydXB0 KSB0aGUgZnJhbWVzIGZyb20gdGhlIHNlbnNvcjoNCmNvbnN0IHN0cnVjdCBzY2hlZF9hdHRyIHNj aGVkX2F0dHIgPSB7DQogwqDCoMKgIMKgwqDCoCAuc2NoZWRfdXRpbF9taW4gPSAxMDAwMCwgLyog MTAwJSBvZiB1c2FnZSAqLw0KIMKgwqDCoCDCoMKgwqAgLnNjaGVkX2ZsYWdzID0gU0NIRURfRkxB R19VVElMX0NMQU1QX01JTiwNCiDCoMKgwqAgfTsNCg0Kc2NoZWRfc2V0YXR0cihjdXJyZW50LCAm c2NoZWRfYXR0cik7DQoNCkkgZG9uJ3Qgc2VlIGFueSBiZW5lZmljZXMgbWF5YmUgdGhlcmUgaXMg c29tZSBjb25maWd1cmF0aW9uIGZsYWdzIHRvIHNldC4NCg0KSG93IGNoYW5naW5nIHNjaGVkX3V0 aWxfbWluIGNvdWxkIGltcGFjdCBjcHVmcmVxIG9uZGVtYW5kIGdvdmVybm9yID8NCkRvZXMgaXQg Y2hhbmdlIHRoZSB2YWx1ZSByZXR1cm5lZCB3aGVuIHRoZSBnb3Zlcm5vciBjaGVjayB0aGUgaWRs ZSB0aW1lID8NCg0KPg0KPiBBbHRlcm5hdGl2ZWx5LCB0aGF0IHRhc2sgbWF5IGJlIGEgZGVhZGxp bmUgb25lLg0KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K bGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZy YWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGlu dXgtYXJtLWtlcm5lbAo=