From patchwork Thu Dec 7 11:05:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Weimer X-Patchwork-Id: 56473 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id EF85B385DC07 for ; Thu, 7 Dec 2023 11:05:30 +0000 (GMT) X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 8D3CF3858C30 for ; Thu, 7 Dec 2023 11:05:18 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 8D3CF3858C30 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 8D3CF3858C30 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1701947119; cv=none; b=whxnDO5rEAgObVjB8gE71ziOEgY8NkBMNy+EWQLyDCz3cjocPK6kiAz/ZUyrlOS1/SwpQyfq4bDO6TbdsiVhdSlZVKS3Wn/DSjmjMtY6Tla8PSUgjo/uJutwMUTEWQ473TDuM9KrdjDOWwQmybOe8f9QF4/FlYL5noRSAAySrOo= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1701947119; c=relaxed/simple; bh=6SQl2lntTqy8x5wxLwDz2+782qvVtWAtrRotdqNCO4I=; h=DKIM-Signature:From:To:Subject:Message-ID:Date:MIME-Version; b=bAycAgWdIB7MK2HnrrK+F2dmpmzsGvSIJTTLonhTs5ghpBf2ZgXFOhl4Na9TkRXozHj3q8nEITJLSqkKVjChz7j6jks+ZDQavjcUX+chW0746ay0QWQs1eg46lDley01nIdU1rQD3Qc4LdvOIYbW70l5h4Cwzz9bxadFNUkRrds= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1701947118; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type; bh=OCoz8Dm/TWAVdfWoDNnS/hpFNBspGtmDZZLD4n43srg=; b=MSrWYigVKkKFxI+WHVBlA+H90tjwHTHjG+pystzyct5sfo3NYRiHj9bPKcT1ikHehjLLR3 4FMjxtQX+iR2uYK7Tsfvt2vRuFsQHqqs9hAuUP6eBj+9dEWPuwt3wc8+UOnKohqAJyuRD7 QwSd0IgeBnn1lwxpiR9mhVDTmSSLJbc= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-613-oBbbCwEEO0iSJqk3FFafJQ-1; Thu, 07 Dec 2023 06:05:16 -0500 X-MC-Unique: oBbbCwEEO0iSJqk3FFafJQ-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B4FC0185A780 for ; Thu, 7 Dec 2023 11:05:16 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.131]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 49E7C492BE6 for ; Thu, 7 Dec 2023 11:05:16 +0000 (UTC) From: Florian Weimer To: libc-alpha@sourceware.org Subject: [PATCH v2 0/2] Generic x86-64 CPU diagnostics dumper Message-ID: X-From-Line: 93a0eb152dea367f27e69253b337cfa739fa84ae Mon Sep 17 00:00:00 2001 Date: Thu, 07 Dec 2023 12:05:14 +0100 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org This is an unchanged repost after a rebase. I hope to get this integrated so that I can work on further CPU compatibility diagnostics. The intent behind those is to give distributions better built-in tools to diagnose compatibility issues after they incorporate CPU-specific optimizations. Thanks, Florian Florian Weimer (2): elf: Wire up _dl_diagnostics_cpu_kernel x86: Add generic CPUID data dumper to ld.so --list-diagnostics elf/Makefile | 1 + elf/dl-diagnostics-cpu-kernel.c | 24 + elf/dl-diagnostics.c | 1 + elf/dl-diagnostics.h | 4 + manual/dynlink.texi | 86 +++- .../linux/x86/dl-diagnostics-cpu-kernel.c | 457 ++++++++++++++++++ 6 files changed, 572 insertions(+), 1 deletion(-) create mode 100644 elf/dl-diagnostics-cpu-kernel.c create mode 100644 sysdeps/unix/sysv/linux/x86/dl-diagnostics-cpu-kernel.c base-commit: 958478889c6a7a12b35b857b9788b7ad8706a01e