From patchwork Thu Dec 16 16:06:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 524591 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EDE5C43219 for ; Thu, 16 Dec 2021 16:06:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238855AbhLPQGl (ORCPT ); Thu, 16 Dec 2021 11:06:41 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:42525 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238877AbhLPQGe (ORCPT ); Thu, 16 Dec 2021 11:06:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639670793; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=XcNlqTvWaA2kAdU3CR6CK9SO3zOiD4w86XEg3OpL0NA=; b=S8swUpPmtos7LUVr5hCi2+wWesB2jKus8fhSh5Z6uEK15iliy/nuqBPsQcfhHbMDsrZy4X 9cSaWF6LJiGQQBpjEVyECB5If79EW4GeiCCNku/0/WYmbMb3wWXFtIkiWhPaG7qZg2baCO RUeYirHCCeIN6j7XG9bXBK53BOl34Ws= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-307-sCqcXiJgPBqJpvHT-yE46g-1; Thu, 16 Dec 2021 11:06:28 -0500 X-MC-Unique: sCqcXiJgPBqJpvHT-yE46g-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BF0D5802CB8; Thu, 16 Dec 2021 16:06:25 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.122]) by smtp.corp.redhat.com (Postfix) with ESMTP id 80067E14A; Thu, 16 Dec 2021 16:06:22 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH v3 04/68] netfs: Display the netfs inode number in the netfs_read tracepoint From: David Howells To: linux-cachefs@redhat.com Cc: dhowells@redhat.com, Trond Myklebust , Anna Schumaker , Steve French , Dominique Martinet , Jeff Layton , Matthew Wilcox , Alexander Viro , Omar Sandoval , JeffleXu , Linus Torvalds , linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Date: Thu, 16 Dec 2021 16:06:21 +0000 Message-ID: <163967078164.1823006.15286989199782861123.stgit@warthog.procyon.org.uk> In-Reply-To: <163967073889.1823006.12237147297060239168.stgit@warthog.procyon.org.uk> References: <163967073889.1823006.12237147297060239168.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.23 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Display the netfs inode number in the netfs_read tracepoint so that this can be used to correlate with the cachefiles_prep_read tracepoint. Signed-off-by: David Howells cc: linux-cachefs@redhat.com Link: https://lore.kernel.org/r/163819581097.215744.17476611915583897051.stgit@warthog.procyon.org.uk/ # v1 Link: https://lore.kernel.org/r/163906885903.143852.12229407815154182247.stgit@warthog.procyon.org.uk/ # v2 --- include/trace/events/netfs.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h index 4d470bffd9f1..e6f4ebbb4c69 100644 --- a/include/trace/events/netfs.h +++ b/include/trace/events/netfs.h @@ -135,6 +135,7 @@ TRACE_EVENT(netfs_read, __field(loff_t, start ) __field(size_t, len ) __field(enum netfs_read_trace, what ) + __field(unsigned int, netfs_inode ) ), TP_fast_assign( @@ -143,12 +144,14 @@ TRACE_EVENT(netfs_read, __entry->start = start; __entry->len = len; __entry->what = what; + __entry->netfs_inode = rreq->inode->i_ino; ), - TP_printk("R=%08x %s c=%08x s=%llx %zx", + TP_printk("R=%08x %s c=%08x ni=%x s=%llx %zx", __entry->rreq, __print_symbolic(__entry->what, netfs_read_traces), __entry->cookie, + __entry->netfs_inode, __entry->start, __entry->len) );