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[2620:137:e000::1:20]) by mx.google.com with ESMTP id f4-20020a170906138400b0093151c078f0si28475911ejc.467.2023.03.30.05.50.49; Thu, 30 Mar 2023 05:51:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=gnMmJKT0; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231317AbjC3Mpv (ORCPT + 99 others); Thu, 30 Mar 2023 08:45:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229975AbjC3Mpt (ORCPT ); Thu, 30 Mar 2023 08:45:49 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 482BEA6 for ; Thu, 30 Mar 2023 05:45:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=uPhhIx08GhlnIjlGJ2MfiHnblN0h8M7s/nzawY2c5sk=; b=gnMmJKT0gJdl4tLaXnNpUkQI8x awuT+GcRgMg+cRklfwzYDtIUs870w44BmaX5H+QyiP7IcsKCqXw/3aV3buoEW01QAJsS/QsIK8ZG1 XYUuEZFKfMLyEwch+zJ7jwnyI8OJbXqDT171CoIlvzCToVIkilDe28vxGGkFUjeAbZOBE19BBZil7 HNUjOf4pzZuA3U+SOscobwuBOG8x8Tx3Zj27vH+2izsr+vHkCHz9Y7Nvg7nsSDiDcHZXb176Cm8ji D1G8quBqYbBDbbLOOAj/A0RoqOpb4ZqxfnXaOZZxM9rvUdiMv5agMjpo5LgPyx/6KsMeFQ/Fsi5io 0Qx2H/3Q==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1phrev-00APZp-0b; Thu, 30 Mar 2023 12:45:41 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id C372C300230; Thu, 30 Mar 2023 14:45:39 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 8C7A5203E4DD6; Thu, 30 Mar 2023 14:45:39 +0200 (CEST) Date: Thu, 30 Mar 2023 14:45:39 +0200 From: Peter Zijlstra To: Domenico Cerasuolo Cc: linux-kernel@vger.kernel.org, surenb@google.com, brauner@kernel.org, chris@chrisdown.name, hannes@cmpxchg.org Subject: Re: [PATCH v6 0/4] sched/psi: Allow unprivileged PSI polling Message-ID: <20230330124539.GB124812@hirez.programming.kicks-ass.net> References: <20230330105418.77061-1-cerasuolodomenico@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230330105418.77061-1-cerasuolodomenico@gmail.com> X-Spam-Status: No, score=-2.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 30, 2023 at 12:54:14PM +0200, Domenico Cerasuolo wrote: > Domenico Cerasuolo (4): > sched/psi: rearrange polling code in preparation > sched/psi: rename existing poll members in preparation > sched/psi: extract update_triggers side effect > sched/psi: allow unprivileged polling of N*2s period > > Documentation/accounting/psi.rst | 4 + > include/linux/psi.h | 2 +- > include/linux/psi_types.h | 43 +-- > kernel/cgroup/cgroup.c | 2 +- > kernel/sched/psi.c | 473 +++++++++++++++++-------------- > 5 files changed, 289 insertions(+), 235 deletions(-) Thanks, I'll go queue this for tip/sched/core, and barring any robot noise I'll push it out somewhere in the next few days.