From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mao Han Subject: [PATCH V5 0/3] riscv: Add perf callchain support Date: Fri, 23 Aug 2019 14:15:57 +0800 Message-ID: Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Mao Han List-Id: linux-arch.vger.kernel.org This patch set add perf callchain(FP/DWARF) support for RISC-V. It comes from the csky version callchain support with some slight modifications. The patchset base on Linux 5.3. Changes since v4: - Add missing PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET verified with extra CFLAGS(-Wall -Werror) Changes since v3: - Add more strict check for unwind_frame_kernel - update for kernel 5.3 Changes since v2: - fix inconsistent comment - force to build kernel with -fno-omit-frame-pointer if perf event is enabled Changes since v1: - simplify implementation and code convention Mao Han (3): riscv: Add perf callchain support riscv: Add support for perf registers sampling riscv: Add support for libdw arch/riscv/Kconfig | 2 + arch/riscv/Makefile | 3 + arch/riscv/include/uapi/asm/perf_regs.h | 42 ++++++++++ arch/riscv/kernel/Makefile | 4 +- arch/riscv/kernel/perf_callchain.c | 115 ++++++++++++++++++++++++++ arch/riscv/kernel/perf_regs.c | 44 ++++++++++ tools/arch/riscv/include/uapi/asm/perf_regs.h | 42 ++++++++++ tools/perf/Makefile.config | 6 +- tools/perf/arch/riscv/Build | 1 + tools/perf/arch/riscv/Makefile | 4 + tools/perf/arch/riscv/include/perf_regs.h | 96 +++++++++++++++++++++ tools/perf/arch/riscv/util/Build | 2 + tools/perf/arch/riscv/util/dwarf-regs.c | 72 ++++++++++++++++ tools/perf/arch/riscv/util/unwind-libdw.c | 57 +++++++++++++ 14 files changed, 488 insertions(+), 2 deletions(-) create mode 100644 arch/riscv/include/uapi/asm/perf_regs.h create mode 100644 arch/riscv/kernel/perf_callchain.c create mode 100644 arch/riscv/kernel/perf_regs.c create mode 100644 tools/arch/riscv/include/uapi/asm/perf_regs.h create mode 100644 tools/perf/arch/riscv/Build create mode 100644 tools/perf/arch/riscv/Makefile create mode 100644 tools/perf/arch/riscv/include/perf_regs.h create mode 100644 tools/perf/arch/riscv/util/Build create mode 100644 tools/perf/arch/riscv/util/dwarf-regs.c create mode 100644 tools/perf/arch/riscv/util/unwind-libdw.c -- 2.7.4 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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 539ABC3A5A2 for ; Fri, 23 Aug 2019 06:16:52 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 2832C233A0 for ; Fri, 23 Aug 2019 06:16:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="BCGF/V9w" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2832C233A0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-sky.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=AP15v+EUnt85X7yS/pU7d0BfAC3USytqpEFd41vO+nU=; b=BCG F/V9wrhdjWdvD8VITaE39OReVyb35ocEwVjuPQETLUSJ7Lru9jBC/exja8ZDekgpPPV3tSvx5PxVU Vj9S54JLqnlF2Il3RyNDu7UqbcOSynnTwwldEGGLZk+/yRRUuxqSvvMRBFfy3l9WLIkXI3QqeXV59 cKcUDVgNGotagfbQV3qttcNDiQPXmusL9mKh0J6w9pCaPxVjb+rlvsgeOupwmBksZpz9+TuDBu2PD EM8sKgyuIbPLrVAoK0Hg+cBBtU1X/3eKV7WQD+pz4D9X9kY7leAQD7R0v3Cr3fP/CfZzI2sv26HHL jLhaQnfXsliz0K0whKyj45UVv3CB+SA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i12sV-0007kZ-8C; Fri, 23 Aug 2019 06:16:51 +0000 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i12rr-0007D9-Br for linux-riscv@lists.infradead.org; Fri, 23 Aug 2019 06:16:14 +0000 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07521714|-1; CH=green; DM=CONTINUE|CONTINUE|true|0.525283-0.101757-0.37296; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03309; MF=han_mao@c-sky.com; NM=1; PH=DS; RN=4; RT=4; SR=0; TI=SMTPD_---.FGwcr64_1566540964; Received: from localhost(mailfrom:han_mao@c-sky.com fp:SMTPD_---.FGwcr64_1566540964) by smtp.aliyun-inc.com(10.147.41.158); Fri, 23 Aug 2019 14:16:04 +0800 From: Mao Han To: linux-riscv@lists.infradead.org Subject: [PATCH V5 0/3] riscv: Add perf callchain support Date: Fri, 23 Aug 2019 14:15:57 +0800 Message-Id: X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190822_231612_183377_04F2929E X-CRM114-Status: UNSURE ( 7.20 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Mao Han MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org This patch set add perf callchain(FP/DWARF) support for RISC-V. It comes from the csky version callchain support with some slight modifications. The patchset base on Linux 5.3. Changes since v4: - Add missing PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET verified with extra CFLAGS(-Wall -Werror) Changes since v3: - Add more strict check for unwind_frame_kernel - update for kernel 5.3 Changes since v2: - fix inconsistent comment - force to build kernel with -fno-omit-frame-pointer if perf event is enabled Changes since v1: - simplify implementation and code convention Mao Han (3): riscv: Add perf callchain support riscv: Add support for perf registers sampling riscv: Add support for libdw arch/riscv/Kconfig | 2 + arch/riscv/Makefile | 3 + arch/riscv/include/uapi/asm/perf_regs.h | 42 ++++++++++ arch/riscv/kernel/Makefile | 4 +- arch/riscv/kernel/perf_callchain.c | 115 ++++++++++++++++++++++++++ arch/riscv/kernel/perf_regs.c | 44 ++++++++++ tools/arch/riscv/include/uapi/asm/perf_regs.h | 42 ++++++++++ tools/perf/Makefile.config | 6 +- tools/perf/arch/riscv/Build | 1 + tools/perf/arch/riscv/Makefile | 4 + tools/perf/arch/riscv/include/perf_regs.h | 96 +++++++++++++++++++++ tools/perf/arch/riscv/util/Build | 2 + tools/perf/arch/riscv/util/dwarf-regs.c | 72 ++++++++++++++++ tools/perf/arch/riscv/util/unwind-libdw.c | 57 +++++++++++++ 14 files changed, 488 insertions(+), 2 deletions(-) create mode 100644 arch/riscv/include/uapi/asm/perf_regs.h create mode 100644 arch/riscv/kernel/perf_callchain.c create mode 100644 arch/riscv/kernel/perf_regs.c create mode 100644 tools/arch/riscv/include/uapi/asm/perf_regs.h create mode 100644 tools/perf/arch/riscv/Build create mode 100644 tools/perf/arch/riscv/Makefile create mode 100644 tools/perf/arch/riscv/include/perf_regs.h create mode 100644 tools/perf/arch/riscv/util/Build create mode 100644 tools/perf/arch/riscv/util/dwarf-regs.c create mode 100644 tools/perf/arch/riscv/util/unwind-libdw.c -- 2.7.4 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv