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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5AC57C433EF for ; Thu, 10 Mar 2022 12:12:10 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4KDnxN5kRWz3bWw for ; Thu, 10 Mar 2022 23:12:08 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=YPXOwpjR; dkim-atps=neutral Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (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 4KDnwh0Rshz2yxW for ; Thu, 10 Mar 2022 23:11:32 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=YPXOwpjR; dkim-atps=neutral Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4KDnwg3sqFz4xLV; Thu, 10 Mar 2022 23:11:31 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1646914291; bh=GBRd8YJKb3OnktFjwi8q5B6pu5AWUowYszeQTm5tAYw=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=YPXOwpjRlM4rb5MbPSJhGPsmZOiU8kdmAiyO6dSeZTZginhacKfCH+QdjGUYNHKVr abQIIKqrzKH3j69DrFDgoYnUprXzvYWc3UcM+Vl2+MuuNFC1ruKFEYlYAT1CAZvPWH n8rAKTHmq7erX4GNIilSh4m5H0OiFOtvKi4K57B/goiVTw1H4VFrZhQk7XgvxJPE4a YhIa+kC0GFZYJrDicih7mr5npkBu2IRTrGeOJC37j1cEh7eAsos6pnsSOK83nj9K2A eFfkj3z1paD3oOBWKIxspmOOaVtTehVxe0ieWVEroYXo7kEkRmL1GJWrsKhTW8QBG9 J82+Q0Eg8JYRg== From: Michael Ellerman To: Christophe Leroy , Kajol Jain Subject: Re: [PATCH 16/20] selftest/powerpc/pmu/: Add selftest for mmcr1 pmcxsel/unit/cache fields In-Reply-To: <4c7785cf-3b92-c273-35ea-fc95131fac46@csgroup.eu> References: <20220127072012.662451-1-kjain@linux.ibm.com> <20220127072012.662451-17-kjain@linux.ibm.com> <4c7785cf-3b92-c273-35ea-fc95131fac46@csgroup.eu> Date: Thu, 10 Mar 2022 23:11:30 +1100 Message-ID: <87czium2h9.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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: "linuxppc-dev@lists.ozlabs.org" , "atrajeev@linux.vnet.ibm.com" , "maddy@linux.vnet.ibm.com" , "rnsastry@linux.ibm.com" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Christophe Leroy writes: > Le 27/01/2022 =C3=A0 08:20, Kajol Jain a =C3=A9crit=C2=A0: >> From: Athira Rajeev >>=20 >> The testcase uses event code "0x1340000001c040" to verify >> the settings for different fields in Monitor Mode Control >> Register 1 (MMCR1). The fields include PMCxSEL, PMCXCOMB >> PMCxUNIT, cache. Checks if these fields are translated >> correctly via perf interface to MMCR1 >>=20 >> Signed-off-by: Athira Rajeev > > I see the series has been accepted but this patch has been left over. > > Any reason ? Yeah it's flakey. It counts cache loads but the workload it runs doesn't necessarily cause any, so it sometimes fails. I've reported that privately to Kajol. cheers