From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-6.0 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 0E0C77D2EF for ; Wed, 20 Mar 2019 21:01:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727637AbfCTVBS (ORCPT ); Wed, 20 Mar 2019 17:01:18 -0400 Received: from mail-yw1-f65.google.com ([209.85.161.65]:36818 "EHLO mail-yw1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727635AbfCTVBS (ORCPT ); Wed, 20 Mar 2019 17:01:18 -0400 Received: by mail-yw1-f65.google.com with SMTP id 189so3181947ywi.3 for ; Wed, 20 Mar 2019 14:01:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpxchg-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=Ac3c8BuwXRGufN3K90gjwkHmlf5WusrlHW6NBm1q4lU=; b=JEjXZibp3H4f5ucHf9/nYNdp/ytl0tGHWy0AKX8AmsOYBRlU8V7e7ASVsOt5LncbG1 gCS3JBKOn47BLQ8g8YjIgv5iVaKorzkc91V8QDkcVsYe9/uFey0bvFZJ40zD0zOsl8II nHTxk66AWJwMWj4oEKBm1cbfvp6BYEg7JuMVewxzaYlEdBuWcOECG93P/lHKqFr/4AtI Ay0134rkQc9XtvkOKQ5mUy2sa9+TvRSVaXpfbxTCCpsuq4KZKEtKZF+CElW2vAYDxjNZ iH6/4zmve2aF6+bRlPsYN4X24H06xqEBtv9npU1i8LLPi3xQMpqTA2LPRN+hWfZwilZn FBVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=Ac3c8BuwXRGufN3K90gjwkHmlf5WusrlHW6NBm1q4lU=; b=IaFOj2SAoBi35Y7OJdgr+udvn6Nx+L3oNGkRwTz5iTeiaVUm17caPxNiowTVf1o1TO Hg59mso9/A8bhn4HuckUZUpuqv4hC2YR3c/MC93jppI3ysmjRU4hsVvhT9LagIKwPCw7 pzdBFdqLMjVnX9C+jESMKPtLtYtk+H/QzdfAFOxI9WurARzP8HVpUpsagHZRx5G4wD1T UlI0gacfm4KqpLJuLTVKW7+e919LBKt7zYFxY2c0FMltG0iGCz6f8qBjFobnk1mfbymz wxZjy0V/ZuZBv+SuC5t2KvN9Dn5Kl4wd12Xqgy2WI7KQYz/tm6OLlA9Xu/vQpqyxJM3v yj7g== X-Gm-Message-State: APjAAAULDXkvQ8iuBeEqh+YbPkF2flHkkzkXkTEtFpYPR68iUhryqwAr 15oQxgEQNs9UhhpfuR/IvPVtdg== X-Google-Smtp-Source: APXvYqwtzykOHbzXPKJJWcXH+CWrw+RxKVwf2qkPOM6F/W9FMVFsz+4hKQS1ImujNybU7Y3XRpcA9g== X-Received: by 2002:a81:430a:: with SMTP id q10mr156204ywa.508.1553115677811; Wed, 20 Mar 2019 14:01:17 -0700 (PDT) Received: from localhost ([2620:10d:c091:200::2:b52c]) by smtp.gmail.com with ESMTPSA id 207sm1091449yws.38.2019.03.20.14.01.16 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 20 Mar 2019 14:01:17 -0700 (PDT) Date: Wed, 20 Mar 2019 17:01:15 -0400 From: Johannes Weiner To: Suren Baghdasaryan Cc: gregkh@linuxfoundation.org, tj@kernel.org, lizefan@huawei.com, axboe@kernel.dk, dennis@kernel.org, dennisszhou@gmail.com, mingo@redhat.com, peterz@infradead.org, akpm@linux-foundation.org, corbet@lwn.net, cgroups@vger.kernel.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH v6 5/7] psi: track changed states Message-ID: <20190320210115.GD19382@cmpxchg.org> References: <20190319235619.260832-1-surenb@google.com> <20190319235619.260832-6-surenb@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190319235619.260832-6-surenb@google.com> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Tue, Mar 19, 2019 at 04:56:17PM -0700, Suren Baghdasaryan wrote: > Introduce changed_states parameter into collect_percpu_times to track > the states changed since the last update. > > Signed-off-by: Suren Baghdasaryan Acked-by: Johannes Weiner This will be needed to detect whether polled states activated in the monitor patch.