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=-8.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS 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 AC2C9C43387 for ; Sat, 22 Dec 2018 10:08:47 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2FB9B21A47 for ; Sat, 22 Dec 2018 10:08:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2FB9B21A47 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 43MLms2RRFzDqSp for ; Sat, 22 Dec 2018 21:08:45 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 43MLSX1rTnzDqXB for ; Sat, 22 Dec 2018 20:54:36 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 43MLSW6nspz9sMQ; Sat, 22 Dec 2018 20:54:35 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 17cfccc91545682513541924245abb876d296063 X-Patchwork-Hint: ignore In-Reply-To: <1544347095-19428-1-git-send-email-maddy@linux.vnet.ibm.com> To: Madhavan Srinivasan From: Michael Ellerman Subject: Re: powerpc/perf: Fix thersholding counter data for unknown type Message-Id: <43MLSW6nspz9sMQ@ozlabs.org> Date: Sat, 22 Dec 2018 20:54:35 +1100 (AEDT) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Madhavan Srinivasan , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Sun, 2018-12-09 at 09:18:15 UTC, Madhavan Srinivasan wrote: > MMCRA[34:36] and MMCRA[38:44] expose the thresholding counter value. > Thresholding counter can be used to count latency cycles such as > load miss to reload. But threshold counter value is not relevant > when the sampled instruction type is unknown or reserved. Patch to > fix the thersholding counter value to zero when sampled instruction > type is unknown or reserved. > > Fixes: 170a315f41c6('powerpc/perf: Support to export MMCRA[TEC*] field to userspace') > Signed-off-by: Madhavan Srinivasan Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/17cfccc91545682513541924245abb cheers