From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-f197.google.com (mail-pg1-f197.google.com [209.85.215.197]) by kanga.kvack.org (Postfix) with ESMTP id 0DFBC6B0010 for ; Thu, 18 Oct 2018 22:07:13 -0400 (EDT) Received: by mail-pg1-f197.google.com with SMTP id 127-v6so2559777pgb.7 for ; Thu, 18 Oct 2018 19:07:13 -0700 (PDT) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id s5-v6si22827928pgm.448.2018.10.18.19.07.11 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 18 Oct 2018 19:07:12 -0700 (PDT) Date: Thu, 18 Oct 2018 19:07:10 -0700 From: Andrew Morton Subject: Re: [PATCH 0/9] psi: pressure stall information for CPU, memory, and IO v4 Message-Id: <20181018190710.fcea1c5f9c3b0c15d37ee762@linux-foundation.org> In-Reply-To: <20180828172258.3185-1-hannes@cmpxchg.org> References: <20180828172258.3185-1-hannes@cmpxchg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: Ingo Molnar , Peter Zijlstra , Linus Torvalds , Tejun Heo , Suren Baghdasaryan , Daniel Drake , Vinayak Menon , Christopher Lameter , Peter Enderborg , Shakeel Butt , Mike Galbraith , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com On Tue, 28 Aug 2018 13:22:49 -0400 Johannes Weiner wrote: > This version 4 of the PSI series incorporates feedback from Peter and > fixes two races in the lockless aggregator that Suren found in his > testing and which caused the sample calculation to sometimes underflow > and record bogusly large samples; details at the bottom of this email. We've had very little in the way of review activity for the PSI patchset. According to the changelog tags, anyway.