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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 D8CAAC43441 for ; Tue, 27 Nov 2018 06:57:01 +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 29494208E4 for ; Tue, 27 Nov 2018 06:57:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 29494208E4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-s.fr 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 433vj66B0vzDqdt for ; Tue, 27 Nov 2018 17:56:58 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=c-s.fr (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@c-s.fr; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 433vfk3Zd1zDqcm for ; Tue, 27 Nov 2018 17:54:51 +1100 (AEDT) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 433vfb67zfz9vGl5; Tue, 27 Nov 2018 07:54:47 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id f6cNm9b6MNnj; Tue, 27 Nov 2018 07:54:47 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 433vfb5TdPz9vGl0; Tue, 27 Nov 2018 07:54:47 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id CA2A88B7D7; Tue, 27 Nov 2018 07:54:41 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id ZYMO7kbOHQVE; Tue, 27 Nov 2018 07:54:41 +0100 (CET) Received: from PO15451 (unknown [192.168.232.3]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 8DEAE8B7CF; Tue, 27 Nov 2018 07:54:40 +0100 (CET) Subject: Re: [PATCH RESEND] powerpc/perf: Update perf_regs structure to include SIER To: Madhavan Srinivasan , mpe@ellerman.id.au, acme@kernel.org References: <1543255448-27552-1-git-send-email-maddy@linux.vnet.ibm.com> From: Christophe LEROY Message-ID: <20d4dbad-3b93-37dd-2278-74356bec3393@c-s.fr> Date: Tue, 27 Nov 2018 07:54:40 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 MIME-Version: 1.0 In-Reply-To: <1543255448-27552-1-git-send-email-maddy@linux.vnet.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit 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: Alexander Shishkin , linuxppc-dev@lists.ozlabs.org, Ravi Bangoria , Anju T Sudhakar , Namhyung Kim , Jiri Olsa Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Le 26/11/2018 à 19:04, Madhavan Srinivasan a écrit : > On each sample, Sample Instruction Event Register (SIER) content > is saved in pt_regs. SIER does not have a entry as-is in the pt_regs > but instead, SIER content is saved in the "dar" register of pt_regs. > > Patch adds another entry to the perf_regs structure to include the "SIER" > printing which internally maps to the "dar" of pt_regs. > > Cc: Jiri Olsa > Cc: Namhyung Kim > Cc: Alexander Shishkin > Cc: Anju T Sudhakar > Cc: Ravi Bangoria > Tested-by: Ravi Bangoria > Signed-off-by: Madhavan Srinivasan > --- I see this patch is already in patchwork https://patchwork.ozlabs.org/patch/941908/ and I can't spot any difference between the two. Please say here (under the ---) the reason for resending. Christophe > arch/powerpc/include/uapi/asm/perf_regs.h | 1 + > arch/powerpc/perf/perf_regs.c | 1 + > tools/arch/powerpc/include/uapi/asm/perf_regs.h | 1 + > tools/perf/arch/powerpc/include/perf_regs.h | 3 ++- > tools/perf/arch/powerpc/util/perf_regs.c | 1 + > 5 files changed, 6 insertions(+), 1 deletion(-) > > diff --git a/arch/powerpc/include/uapi/asm/perf_regs.h b/arch/powerpc/include/uapi/asm/perf_regs.h > index 9e52c86ccbd3..ff91192407d1 100644 > --- a/arch/powerpc/include/uapi/asm/perf_regs.h > +++ b/arch/powerpc/include/uapi/asm/perf_regs.h > @@ -46,6 +46,7 @@ enum perf_event_powerpc_regs { > PERF_REG_POWERPC_TRAP, > PERF_REG_POWERPC_DAR, > PERF_REG_POWERPC_DSISR, > + PERF_REG_POWERPC_SIER, > PERF_REG_POWERPC_MAX, > }; > #endif /* _UAPI_ASM_POWERPC_PERF_REGS_H */ > diff --git a/arch/powerpc/perf/perf_regs.c b/arch/powerpc/perf/perf_regs.c > index 09ceea6175ba..c262aea22ad9 100644 > --- a/arch/powerpc/perf/perf_regs.c > +++ b/arch/powerpc/perf/perf_regs.c > @@ -69,6 +69,7 @@ static unsigned int pt_regs_offset[PERF_REG_POWERPC_MAX] = { > PT_REGS_OFFSET(PERF_REG_POWERPC_TRAP, trap), > PT_REGS_OFFSET(PERF_REG_POWERPC_DAR, dar), > PT_REGS_OFFSET(PERF_REG_POWERPC_DSISR, dsisr), > + PT_REGS_OFFSET(PERF_REG_POWERPC_SIER, dar), > }; > > u64 perf_reg_value(struct pt_regs *regs, int idx) > diff --git a/tools/arch/powerpc/include/uapi/asm/perf_regs.h b/tools/arch/powerpc/include/uapi/asm/perf_regs.h > index 9e52c86ccbd3..ff91192407d1 100644 > --- a/tools/arch/powerpc/include/uapi/asm/perf_regs.h > +++ b/tools/arch/powerpc/include/uapi/asm/perf_regs.h > @@ -46,6 +46,7 @@ enum perf_event_powerpc_regs { > PERF_REG_POWERPC_TRAP, > PERF_REG_POWERPC_DAR, > PERF_REG_POWERPC_DSISR, > + PERF_REG_POWERPC_SIER, > PERF_REG_POWERPC_MAX, > }; > #endif /* _UAPI_ASM_POWERPC_PERF_REGS_H */ > diff --git a/tools/perf/arch/powerpc/include/perf_regs.h b/tools/perf/arch/powerpc/include/perf_regs.h > index 00e37b106913..1076393e6f43 100644 > --- a/tools/perf/arch/powerpc/include/perf_regs.h > +++ b/tools/perf/arch/powerpc/include/perf_regs.h > @@ -62,7 +62,8 @@ static const char *reg_names[] = { > [PERF_REG_POWERPC_SOFTE] = "softe", > [PERF_REG_POWERPC_TRAP] = "trap", > [PERF_REG_POWERPC_DAR] = "dar", > - [PERF_REG_POWERPC_DSISR] = "dsisr" > + [PERF_REG_POWERPC_DSISR] = "dsisr", > + [PERF_REG_POWERPC_SIER] = "sier" > }; > > static inline const char *perf_reg_name(int id) > diff --git a/tools/perf/arch/powerpc/util/perf_regs.c b/tools/perf/arch/powerpc/util/perf_regs.c > index ec50939b0418..07fcd977d93e 100644 > --- a/tools/perf/arch/powerpc/util/perf_regs.c > +++ b/tools/perf/arch/powerpc/util/perf_regs.c > @@ -52,6 +52,7 @@ const struct sample_reg sample_reg_masks[] = { > SMPL_REG(trap, PERF_REG_POWERPC_TRAP), > SMPL_REG(dar, PERF_REG_POWERPC_DAR), > SMPL_REG(dsisr, PERF_REG_POWERPC_DSISR), > + SMPL_REG(sier, PERF_REG_POWERPC_SIER), > SMPL_REG_END > }; > >