From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 675AF3C1F; Mon, 9 Feb 2026 00:46:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770597980; cv=none; b=LH6TqsJR6rkMWZacNQqYsHiPCPDpwz7qblrHJyCPt+VDEKNXD4sqoLiI25HpSh8LFtYCOCcxF91oV4zaOfvIfWdAtF1CJxnmgHit0lo+Qf+1k9YbJP5tciGBdsxZVJSj1nLfAMavPFiwqjtJPfNmrREurHmr9JSIiWOqKwp60mQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770597980; c=relaxed/simple; bh=WiDvGdY9/hMNal5D7v3aKwx1iH+Txlyos/k45ceIkMs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=DHBMIUXHKNQrCWixghPJoVtHPgn4XbIhtwxvuX0PhOWdeZCcYTIFpv76WpfHqUqJfZbO6GjgjS7faiAYdMnTjkADkZnQ5HEOx1monEjiIGHj9nvuBJtYcyy8mCHZ7h+KQ1elZXmMNgVQCIRanmnkFj94/1SnJHmE9uzFYb+Y4Xg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=FQJ1CUpG; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="FQJ1CUpG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770597980; x=1802133980; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=WiDvGdY9/hMNal5D7v3aKwx1iH+Txlyos/k45ceIkMs=; b=FQJ1CUpGUGSQCRmY5Je2eStNom/D/pk76XiE3x6eAKGh6jGMzUlRsCxH cKNeUqzVXNo2H6gQVsPqiE3Y913lz0MAG4rid9qfJTucB4N5IU0QrH953 pk+hVaZcsbGxAGnqxME2z0m8oEvrtyuaNkrlmteietNzlAguIiPinBasL 6Myhu5YTeyXP3ovIjIWWhkG+cKq17AKe0EwAAG4NirHd4aDatO12lttUV Q/xO1EpdlPWfiHJbH6T1l1JE19m89b53dy7YbQPgQhlYTa1xvbTihgxCe D25fMktDKN4Y2QuBa9t5xg7gkMgj9vFb05OTh56Qpb42bOP2/3bgHWqWB g==; X-CSE-ConnectionGUID: Xlga/HaKRkCUB/sR8HzH7A== X-CSE-MsgGUID: WrkIHC2mSl6z+fv00e0pOA== X-IronPort-AV: E=McAfee;i="6800,10657,11695"; a="71773835" X-IronPort-AV: E=Sophos;i="6.21,281,1763452800"; d="scan'208";a="71773835" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2026 16:46:20 -0800 X-CSE-ConnectionGUID: JaHt4qN4Tm2qb/1Ezcgd0Q== X-CSE-MsgGUID: h53wmeBVTmqur7ngxWel6w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,281,1763452800"; d="scan'208";a="242064508" Received: from dapengmi-mobl1.ccr.corp.intel.com (HELO [10.124.240.14]) ([10.124.240.14]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2026 16:46:13 -0800 Message-ID: Date: Mon, 9 Feb 2026 08:46:11 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Patch v3 0/4] Perf tools: perf-regs bug fix and optimization To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , Ingo Molnar , Namhyung Kim , Ian Rogers , Adrian Hunter , Alexander Shishkin , John Garry , Will Deacon , James Clark , Mike Leach , Guo Ren , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Zide Chen , Falcon Thomas , Dapeng Mi , Xudong Hao References: <20260203024356.444942-1-dapeng1.mi@linux.intel.com> Content-Language: en-US From: "Mi, Dapeng" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 2/6/2026 11:17 PM, Arnaldo Carvalho de Melo wrote: > On Tue, Feb 03, 2026 at 10:43:52AM +0800, Dapeng Mi wrote: >> Changes: >> v2 -> v3: >> * Fix the abort issue for "-I" or "--user-regs" options. (Patch 1/4) >> * Address Ian's comments. > Fixed up somme fuzz with powerpc, x86, riscv and s390 Build files wrt > removing perf_regs.o Thanks.  > > Thanks, applied to perf-tools-next, > > - Arnaldo > >> v1 -> v2: >> * Fixing "PERF_REG_EXTENDED_MASK" redefinition building error by >> changing the "asm/perf_regs.h" header path to relative UAPI path. >> (Patch 1/3) >> * Spliting xxx_reg_mask() and xxx_sdt_arg_parse_op() conversion into 2 >> patches. >> >> This patch-set remove the below three architecture specific __weak >> functions and converted them into the general architecture specific >> functions which are dispatched base on "em_machine". >> >> uint64_t arch__intr_reg_mask(void); >> uint64_t arch__user_reg_mask(void); >> int arch_sdt_arg_parse_op(char *old_op, char **new_op); >> >> The advantage of this conversion is that these architectural functions >> can be called even for a different architecture with host instead of >> only called on the host architecture. >> >> Although the converted functions shown below can be called on any >> architecture, currently they are still only called for the host >> architecture (EM_HOST). >> >> int perf_sdt_arg_parse_op(uint16_t e_machine, char *old_op, char **new_op); >> uint64_t perf_intr_reg_mask(uint16_t e_machine); >> uint64_t perf_user_reg_mask(uint16_t e_machine); >> >> Tests: >> * This patch-set is only tested on x86 platforms. No issues are found >> for both intr-regs and user-regs options. >> * Tests on other architectures are welcomed and appreciated. >> >> History: >> v1: https://lore.kernel.org/all/20260123090938.2222960-1-dapeng1.mi@linux.intel.com/ >> v2: https://lore.kernel.org/all/20260127070259.2720468-1-dapeng1.mi@linux.intel.com/ >> >> Dapeng Mi (4): >> perf regs: Fix abort for "-I" or "--user-regs" options >> perf arch: Update arch headers to use relative UAPI paths >> perf regs: Remove __weak attributive arch__xxx_reg_mask() functions >> perf regs: Remove __weak attributive arch_sdt_arg_parse_op() function >> >> tools/perf/arch/arm/include/perf_regs.h | 2 +- >> tools/perf/arch/arm/util/Build | 2 - >> tools/perf/arch/arm/util/perf_regs.c | 13 - >> tools/perf/arch/arm64/include/perf_regs.h | 2 +- >> tools/perf/arch/arm64/util/Build | 1 - >> tools/perf/arch/arm64/util/perf_regs.c | 141 --------- >> tools/perf/arch/csky/Build | 1 - >> tools/perf/arch/csky/include/perf_regs.h | 2 +- >> tools/perf/arch/csky/util/Build | 1 - >> tools/perf/arch/csky/util/perf_regs.c | 13 - >> tools/perf/arch/loongarch/include/perf_regs.h | 2 +- >> tools/perf/arch/loongarch/util/Build | 1 - >> tools/perf/arch/loongarch/util/perf_regs.c | 13 - >> tools/perf/arch/mips/include/perf_regs.h | 2 +- >> tools/perf/arch/mips/util/Build | 1 - >> tools/perf/arch/mips/util/perf_regs.c | 13 - >> tools/perf/arch/powerpc/include/perf_regs.h | 2 +- >> tools/perf/arch/powerpc/util/Build | 1 - >> tools/perf/arch/powerpc/util/perf_regs.c | 172 ----------- >> tools/perf/arch/riscv/include/perf_regs.h | 9 +- >> tools/perf/arch/riscv/util/Build | 1 - >> tools/perf/arch/riscv/util/perf_regs.c | 13 - >> tools/perf/arch/s390/include/perf_regs.h | 2 +- >> tools/perf/arch/s390/util/Build | 1 - >> tools/perf/arch/s390/util/perf_regs.c | 13 - >> tools/perf/arch/x86/include/perf_regs.h | 2 +- >> tools/perf/arch/x86/util/Build | 1 - >> tools/perf/arch/x86/util/perf_regs.c | 283 ------------------ >> tools/perf/util/evsel.c | 4 +- >> tools/perf/util/parse-regs-options.c | 13 +- >> .../util/perf-regs-arch/perf_regs_aarch64.c | 139 ++++++++- >> .../perf/util/perf-regs-arch/perf_regs_arm.c | 7 +- >> .../perf/util/perf-regs-arch/perf_regs_csky.c | 7 +- >> .../util/perf-regs-arch/perf_regs_loongarch.c | 7 +- >> .../perf/util/perf-regs-arch/perf_regs_mips.c | 7 +- >> .../util/perf-regs-arch/perf_regs_powerpc.c | 183 ++++++++++- >> .../util/perf-regs-arch/perf_regs_riscv.c | 7 +- >> .../perf/util/perf-regs-arch/perf_regs_s390.c | 7 +- >> .../perf/util/perf-regs-arch/perf_regs_x86.c | 281 ++++++++++++++++- >> tools/perf/util/perf_regs.c | 109 ++++++- >> tools/perf/util/perf_regs.h | 27 +- >> tools/perf/util/probe-file.c | 3 +- >> 42 files changed, 787 insertions(+), 724 deletions(-) >> delete mode 100644 tools/perf/arch/arm/util/perf_regs.c >> delete mode 100644 tools/perf/arch/arm64/util/perf_regs.c >> delete mode 100644 tools/perf/arch/csky/Build >> delete mode 100644 tools/perf/arch/csky/util/Build >> delete mode 100644 tools/perf/arch/csky/util/perf_regs.c >> delete mode 100644 tools/perf/arch/loongarch/util/perf_regs.c >> delete mode 100644 tools/perf/arch/mips/util/perf_regs.c >> delete mode 100644 tools/perf/arch/powerpc/util/perf_regs.c >> delete mode 100644 tools/perf/arch/riscv/util/perf_regs.c >> delete mode 100644 tools/perf/arch/s390/util/perf_regs.c >> delete mode 100644 tools/perf/arch/x86/util/perf_regs.c >> >> -- >> 2.34.1 >>