From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AFBE9C4332F for ; Thu, 14 Dec 2023 10:40:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=CBxFtfUZsGLI/CSXk8L4/kscBiZTndKKcBIeTRV7B8o=; b=vguK6Pj2xL5/un 1Z5iBLhnzIayofutO0I3w6O+85m5w02He8C51h9HDSrAor63ZxsX7DWkn9Ka4ez9VhWTRB+QFKOVS jfVvyhuGO9fKxSIL58JMKOg7sBB5TMJKBtMMsx6lBd5tt3TNZuTf685hhH3IULArdVc5I3pcGe0DM hd2Fgi3aXYWns1YN4Pp1AgNQDjldXMylxTo4QLaDrfvnQrQd130byot0wyTFyS/a/3jtcNQDmJSsb wc4WxAP8+xaCaYAPbDVPnIFs0pRF/Ieb7rrgD6tzyqSr+1AWKIULUg70vVPUdmMdBAiSdEhJhw2tv tUXT0XyfBxj1vkmZPpJg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rDj8a-00HVZJ-3D; Thu, 14 Dec 2023 10:40:16 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rDj8X-00HVWl-2E for linux-arm-kernel@lists.infradead.org; Thu, 14 Dec 2023 10:40:15 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B5180C15; Thu, 14 Dec 2023 02:40:52 -0800 (PST) Received: from [10.57.85.242] (unknown [10.57.85.242]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B810C3F738; Thu, 14 Dec 2023 02:40:02 -0800 (PST) Message-ID: Date: Thu, 14 Dec 2023 10:41:05 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] cpufreq: Add a cpufreq pressure feedback for the scheduler Content-Language: en-US To: "Rafael J. Wysocki" Cc: Vincent Guittot , Viresh Kumar , catalin.marinas@arm.com, will@kernel.org, sudeep.holla@arm.com, agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com, rui.zhang@intel.com, mhiramat@kernel.org, daniel.lezcano@linaro.org, amit.kachhap@gmail.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-trace-kernel@vger.kernel.org References: <20231212142730.998913-1-vincent.guittot@linaro.org> <20231212142730.998913-2-vincent.guittot@linaro.org> <20231214054307.axl33gagxacidjbn@vireshk-i7> <54f3b98c-1f7d-4205-9e3c-a4a19ad3d941@arm.com> From: Lukasz Luba In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231214_024013_785283_FC89413B X-CRM114-Status: GOOD ( 11.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CgpPbiAxMi8xNC8yMyAwOTo0MCwgUmFmYWVsIEouIFd5c29ja2kgd3JvdGU6Cj4gT24gVGh1LCBE ZWMgMTQsIDIwMjMgYXQgMTA6MDfigK9BTSBMdWthc3ogTHViYSA8bHVrYXN6Lmx1YmFAYXJtLmNv bT4gd3JvdGU6Cj4+Cj4+IE9uIDEyLzE0LzIzIDA3OjU3LCBWaW5jZW50IEd1aXR0b3Qgd3JvdGU6 Cj4+PiBPbiBUaHUsIDE0IERlYyAyMDIzIGF0IDA2OjQzLCBWaXJlc2ggS3VtYXIgPHZpcmVzaC5r dW1hckBsaW5hcm8ub3JnPiB3cm90ZToKPj4+Pgo+Pj4+IE9uIDEyLTEyLTIzLCAxNToyNywgVmlu Y2VudCBHdWl0dG90IHdyb3RlOgo+Pj4+PiBAQCAtMjYxOCw2ICsyNjYzLDkgQEAgc3RhdGljIGlu dCBjcHVmcmVxX3NldF9wb2xpY3koc3RydWN0IGNwdWZyZXFfcG9saWN5ICpwb2xpY3ksCj4+Pj4+ ICAgICAgICAgcG9saWN5LT5tYXggPSBfX3Jlc29sdmVfZnJlcShwb2xpY3ksIHBvbGljeS0+bWF4 LCBDUFVGUkVRX1JFTEFUSU9OX0gpOwo+Pj4+PiAgICAgICAgIHRyYWNlX2NwdV9mcmVxdWVuY3lf bGltaXRzKHBvbGljeSk7Cj4+Pj4+Cj4+Pj4+ICsgICAgIGNwdXMgPSBwb2xpY3ktPnJlbGF0ZWRf Y3B1czsKPj4+Pj4gKyAgICAgY3B1ZnJlcV91cGRhdGVfcHJlc3N1cmUoY3B1cywgcG9saWN5LT5t YXgpOwo+Pj4+PiArCj4+Pj4+ICAgICAgICAgcG9saWN5LT5jYWNoZWRfdGFyZ2V0X2ZyZXEgPSBV SU5UX01BWDsKPj4+Pgo+Pj4+IE9uZSBtb3JlIHF1ZXN0aW9uLCB3aHkgYXJlIHlvdSBkb2luZyB0 aGlzIGZyb20gY3B1ZnJlcV9zZXRfcG9saWN5ID8gSWYKPj4+PiBkdWUgdG8gY3B1ZnJlcSBjb29s aW5nIG9yIGZyb20gdXNlcnNwYWNlLCB3ZSBlbmQgdXAgbGltaXRpbmcgdGhlCj4+Pj4gbWF4aW11 bSBwb3NzaWJsZSBmcmVxdWVuY3ksIHdpbGwgdGhpcyByb3V0aW5lIGFsd2F5cyBnZXQgY2FsbGVk ID8KPj4+Cj4+PiBZZXMsIGFueSB1cGRhdGUgb2YgYSBGUkVRX1FPU19NQVggZW5kcyB1cCBjYWxs aW5nIGNwdWZyZXFfc2V0X3BvbGljeSgpCj4+PiB0byB1cGRhdGUgdGhlIHBvbGljeS0+bWF4Cj4+ Pgo+Pgo+PiBBZ3JlZSwgY3B1ZnJlcSBzeXNmcyBzY2FsaW5nX21heF9mcmVxIGlzIGFsc28gaW1w b3J0YW50IHRvIGhhbmRsZQo+PiBpbiB0aGlzIG5ldyBkZXNpZ24uIEN1cnJlbnRseSB3ZSBkb24n dCByZWZsZWN0IHRoYXQgYXMgcmVkdWNlZCBDUFUKPj4gY2FwYWNpdHkgaW4gdGhlIHNjaGVkdWxl ci4gVGhlcmUgd2FzIGRpc2N1c3Npb24gd2hlbiBJIHByb3Bvc2VkIHRvIGZlZWQKPj4gdGhhdCBD UFUgZnJlcXVlbmN5IHJlZHVjdGlvbiBpbnRvIHRoZXJtYWxfcHJlc3N1cmUgWzFdLgo+Pgo+PiBU aGUgc2FtZSBhcHBsaWVzIGZvciB0aGUgRFRQTSB3aGljaCBpcyBtaXNzaW5nIGN1cnJlbnRseSB0 aGUgcHJvcGVyCj4+IGltcGFjdCB0byB0aGUgQ1BVIHJlZHVjZWQgY2FwYWNpdHkgaW4gdGhlIHNj aGVkdWxlci4KPj4KPj4gSU1ITyBhbnkgbGltaXQgc2V0IGludG8gRlJFUV9RT1NfTUFYIHNob3Vs ZCBiZSB2aXNpYmxlIGluIHRoaXMKPj4gbmV3IGRlc2lnbiBvZiBjYXBhY2l0eSByZWR1Y3Rpb24g c2lnbmFsaW5nLgo+Pgo+PiBbMV0gaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvbGttbC8yMDIyMDkz MDA5NDgyMS4zMTY2NS0yLWx1a2Fzei5sdWJhQGFybS5jb20vCj4gCj4gQWN0dWFsbHksIGZyZXFf cW9zX3JlYWRfdmFsdWUoJnBvbGljeS0+Y29uc3RyYWludHMsIEZSRVFfUU9TX01BWCkgd2lsbAo+ IHJldHVybiB0aGUgcmVxdWlzaXRlIGxpbWl0LgoKWWVzLCBidXQgd2UgbmVlZCB0byB0cmFuc2xh dGUgdGhhdCBpbmZvcm1hdGlvbiBmcm9tIGZyZXEgZG9tYWluCmludG8gY2FwYWNpdHkgZG9tYWlu IGFuZCBwbHVtYiBpaSBpbnRvIHNjaGVkdWxlciBhcyBzdG9sZW4gQ1BVIGNhcGFjaXR5LgpJZGVh bGx5LCB3L28gYW55ICdzbW9vdGhpbmcnIGJ1dCBqdXN0IGluc3RhbnQgdmFsdWUuClRoYXQncyB0 aGUgaG9wZSBvZiB0aGlzIHBhdGNoIHNldCByZS1kZXNpZ24uCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlz dApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJh ZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==