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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 4D61EC433E1 for ; Thu, 13 Aug 2020 12:14:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2100420791 for ; Thu, 13 Aug 2020 12:14:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="GHwpL9zF"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="oNP2h9Dq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726567AbgHMMNz (ORCPT ); Thu, 13 Aug 2020 08:13:55 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:58318 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726053AbgHMMNy (ORCPT ); Thu, 13 Aug 2020 08:13:54 -0400 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1597320831; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=tQYvkqXE5EdBVdiO0ISKqxb3rBUgEsMwquDtXOKueGI=; b=GHwpL9zFdxYNR/AGJIiDNIbyE8avRxZkeurRafXu2kWcZkSqLM90dTdOxJJxJsZ8GR0CSh QoKjOqhN6WHbJaSDaH5yyjtJ9ZfvPyw6tmQ3RX5JhqhCAFnqPn7SEchjI6hQW953o9jYAA masmnprKB/aNpB0oS6rBOBL3CfjWLMeJC3pGHvVULsfuRYm0SPa8kj5oWZQ8D9vYvOUaco 0qnERYUF7ST3RB9mO2M73iGWMW4cD4j3VDWcCHbrHgsgN9Dhzyltf/Iisawi1PX7HJUjNA 98yuKdJ0qNCIEtkD9pyhXp66DvdL7NGOpQNajKWsKtCbhsTU1/g+I3XPnDZBug== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1597320831; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=tQYvkqXE5EdBVdiO0ISKqxb3rBUgEsMwquDtXOKueGI=; b=oNP2h9DqtdR+YQ2kEQK018T5aZHXQYYJHc4PVSs8iIXRffNBf4hwBEkf5zMpCzVqlkqAtK 61E86EtGA/GAg/DA== To: Paolo Bonzini , Jonathan Adams , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: netdev@vger.kernel.org, kvm@vger.kernel.org, Greg KH , Jim Mattson , David Rientjes Subject: Re: [RFC PATCH 6/7] core/metricfs: expose x86-specific irq information through metricfs In-Reply-To: <2500b04e-a890-2621-2f19-be08dfe2e862@redhat.com> References: <20200807212916.2883031-1-jwadams@google.com> <20200807212916.2883031-7-jwadams@google.com> <87mu2yluso.fsf@nanos.tec.linutronix.de> <2500b04e-a890-2621-2f19-be08dfe2e862@redhat.com> Date: Thu, 13 Aug 2020 14:13:50 +0200 Message-ID: <87a6yylp4x.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Paolo Bonzini writes: > On 13/08/20 12:11, Thomas Gleixner wrote: >>> Add metricfs support for displaying percpu irq counters for x86. >>> The top directory is /sys/kernel/debug/metricfs/irq_x86. >>> Then there is a subdirectory for each x86-specific irq counter. >>> For example: >>> >>> cat /sys/kernel/debug/metricfs/irq_x86/TLB/values >> What is 'TLB'? I'm not aware of any vector which is named TLB. > > There's a "TLB" entry in /proc/interrupts. It's TLB shootdowns and not TLB. Thanks, tglx