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 X-Spam-Level: X-Spam-Status: No, score=-7.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45638C43381 for ; Tue, 12 Mar 2019 10:20:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0D54E214AE for ; Tue, 12 Mar 2019 10:20:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tMgydsOx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725887AbfCLKUG (ORCPT ); Tue, 12 Mar 2019 06:20:06 -0400 Received: from mail-ed1-f65.google.com ([209.85.208.65]:41429 "EHLO mail-ed1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725873AbfCLKUG (ORCPT ); Tue, 12 Mar 2019 06:20:06 -0400 Received: by mail-ed1-f65.google.com with SMTP id n14so1769948edv.8 for ; Tue, 12 Mar 2019 03:20:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id; bh=cmKohhwZqsfvWQsQ+IpmurLKhYBb2DoyWUh58xUFBuY=; b=tMgydsOxYrRj2PKRM8/Ee7CKQJhrgqCp+N97KdRaq1HIeB6COEJQegRrv8Qu65564p pfq3xYt4nfWQq/DLwENuV+Dl3VNeiVP2YrjFAou+L79Dwzf0HnHi7aNzzMWWMnRLpoyK mOIpqpVTASBrsH12evIEN4k+C5E2iUJ1EsDHLUamL2KNcEpaUEX03q+h0vQRlaanVe+C TISXYY1dj+03pHTEHyzICdXF8dgCkvT6qCehjIQJOEqFlwnnG83e9pZmFnCHMiSiuzAW 3aDX74m+LwjtSd1a8Y33rENNi8Mg9zagvM/tfmLT80VWYEQ1vSZgjFhaQgWV/qEublsL cZqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id; bh=cmKohhwZqsfvWQsQ+IpmurLKhYBb2DoyWUh58xUFBuY=; b=T/7/YDeraTxj8MgLPd47SO0XBeOzCbLEpZGp6yZruvSEywNxih0HbMI9wBTnii3z/x DQhJ45qydtvr1mtW2r19OvHNMyXHsiTekp9LO4rRcwqq32KJ8bGVXGwQe/6USUYRYz0+ zksWMqrTBljVk+VTTHFGdhJZ1YMGJ4Xw4JWUZWIqYhCGvxJaSUZZQcqpGGpKJMI2Xfcl +N9s+hDHocsJ9drPBSzXcg8ynhcxsJGXAr/43/a8vjgML/SLIehQ7CxMmqqwKkmPBF9i yQy1DwV6teEp56sLtKoJdkTy+drcVHcCLknv/ih7hzFk0g88W+rVWOzXBnVbitPF4vv5 vpIA== X-Gm-Message-State: APjAAAV3PB19flJd6yY9PqxS2TfLoD8AoVlanyCxSbmhjOFXDwGCAAie C+V+S//t7ruR+PrukvyWGlb8aBBY X-Google-Smtp-Source: APXvYqzgB5PccfNmK162EDK4/n4H1uGEtXD8B499k/AUzlK/c01MhYI/Vtzl0MCiDPXIzL2sM9Le5A== X-Received: by 2002:a17:906:6c93:: with SMTP id s19mr25291309ejr.155.1552386004276; Tue, 12 Mar 2019 03:20:04 -0700 (PDT) Received: from jwang-pc.pb.local ([2001:1438:4010:254c:1e6f:65ff:fed4:d10]) by smtp.gmail.com with ESMTPSA id q12sm408698edd.12.2019.03.12.03.20.03 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Mar 2019 03:20:03 -0700 (PDT) From: Jack Wang To: gregkh@linuxfoundation.org, stable@vger.kernel.org Subject: [RFC stable-4.14 00/11] PSI feature for 4.14 Date: Tue, 12 Mar 2019 11:19:51 +0100 Message-Id: <20190312102002.31737-1-jinpuwang@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi Folks, This is a backport for PSI feature from: http://git.cmpxchg.org/cgit.cgi/linux-psi.git/log/?h=psi-4.17 The patches are included since 4.20. We're run LTP tests and stress test with these patches on 4.14.93, no problem found. I send them out for review, also maybe there are other guys are intereseted. I kept the conflict note in commit message, so it's easier to review. Regards, Jack Johannes Weiner (10): mm: workingset: don't drop refault information prematurely mm: workingset: tell cache transitions from workingset thrashing delayacct: track delays from thrashing cache pages sched: loadavg: consolidate LOAD_INT, LOAD_FRAC, CALC_LOAD sched: loadavg: make calc_load_n() public sched: sched.h: make rq locking and clock functions available in stats.h sched: introduce this_rq_lock_irq() psi: pressure stall information for CPU, memory, and IO psi: cgroup support psi: make disabling/enabling easier for vendor kernels Olof Johansson (1): kernel/sched/psi.c: simplify cgroup_move_task() Documentation/accounting/psi.txt | 73 ++ .../admin-guide/kernel-parameters.txt | 4 + Documentation/cgroup-v2.txt | 17 + .../platforms/cell/cpufreq_spudemand.c | 2 +- arch/powerpc/platforms/cell/spufs/sched.c | 9 +- arch/s390/appldata/appldata_os.c | 4 - drivers/cpuidle/governors/menu.c | 4 - fs/proc/loadavg.c | 3 - include/linux/cgroup-defs.h | 4 + include/linux/cgroup.h | 15 + include/linux/delayacct.h | 23 + include/linux/mmzone.h | 1 + include/linux/page-flags.h | 5 +- include/linux/psi.h | 54 ++ include/linux/psi_types.h | 92 +++ include/linux/sched.h | 10 + include/linux/sched/loadavg.h | 24 +- include/linux/swap.h | 2 +- include/trace/events/mmflags.h | 1 + include/uapi/linux/taskstats.h | 6 +- init/Kconfig | 28 + kernel/cgroup/cgroup.c | 44 +- kernel/debug/kdb/kdb_main.c | 7 +- kernel/delayacct.c | 15 + kernel/fork.c | 4 + kernel/sched/Makefile | 1 + kernel/sched/core.c | 16 +- kernel/sched/loadavg.c | 139 ++-- kernel/sched/psi.c | 772 ++++++++++++++++++ kernel/sched/sched.h | 175 ++-- kernel/sched/stats.h | 86 ++ mm/compaction.c | 5 + mm/filemap.c | 27 +- mm/huge_memory.c | 1 + mm/migrate.c | 2 + mm/page_alloc.c | 9 + mm/swap_state.c | 1 + mm/vmscan.c | 12 + mm/vmstat.c | 1 + mm/workingset.c | 117 ++- tools/accounting/getdelays.c | 8 +- 41 files changed, 1580 insertions(+), 243 deletions(-) create mode 100644 Documentation/accounting/psi.txt create mode 100644 include/linux/psi.h create mode 100644 include/linux/psi_types.h create mode 100644 kernel/sched/psi.c -- 2.17.1