From patchwork Wed Mar 2 14:06:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 12766145 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 28BFEC4332F for ; Wed, 2 Mar 2022 14:06:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242725AbiCBOHW (ORCPT ); Wed, 2 Mar 2022 09:07:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242695AbiCBOHQ (ORCPT ); Wed, 2 Mar 2022 09:07:16 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id BF99D8BF0A for ; Wed, 2 Mar 2022 06:06:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1646229976; 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=BCWbK4uFH9K7fuAuBHFd25TTDFh3BdAz3SlLnyLHdVs=; b=Sc/J8Su2koA3sm/G/76eYnv9O4fOD11XKXL2zFDKr4gpComRoy8j3rFDOvi9Z5qQBU9Ozw Z+LpVI+CBsKsntcDjoj744jiJr1CqFuCS6gp8RFES3tDNBJWt/tD+EFCdw+nsXHzwzIc7x AL8TQNCbuiCD2bBIq2Ezy5f+w2xbU1Y= 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-21-WoGyQAHBMOi4fkwkIMfQgg-1; Wed, 02 Mar 2022 09:06:13 -0500 X-MC-Unique: WoGyQAHBMOi4fkwkIMfQgg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 703CE19253CE; Wed, 2 Mar 2022 14:06:11 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.19]) by smtp.corp.redhat.com (Postfix) with ESMTP id 02B24781F1; Wed, 2 Mar 2022 14:06:07 +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 08/19] netfs: Adjust the netfs_rreq tracepoint slightly From: David Howells To: linux-cachefs@redhat.com Cc: dhowells@redhat.com, Anna Schumaker , Steve French , Dominique Martinet , Jeff Layton , David Wysochanski , Ilya Dryomov , Jeffle Xu , 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: Wed, 02 Mar 2022 14:06:07 +0000 Message-ID: <164622996715.3564931.4252319907990358129.stgit@warthog.procyon.org.uk> In-Reply-To: <164622970143.3564931.3656393397237724303.stgit@warthog.procyon.org.uk> References: <164622970143.3564931.3656393397237724303.stgit@warthog.procyon.org.uk> User-Agent: StGit/1.4 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Adjust the netfs_rreq tracepoint to include the origin of the request and to increase the size of the "what trace" output strings by a character so that "ENCRYPT" and "DECRYPT" will fit without abbreviation. Signed-off-by: David Howells cc: linux-cachefs@redhat.com --- fs/netfs/read_helper.c | 2 +- include/trace/events/netfs.h | 29 +++++++++++++++++++---------- 2 files changed, 20 insertions(+), 11 deletions(-) diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c index 68616635c5ac..5e0fdf9c9772 100644 --- a/fs/netfs/read_helper.c +++ b/fs/netfs/read_helper.c @@ -180,7 +180,7 @@ static void netfs_rreq_do_write_to_cache(struct netfs_io_request *rreq) struct iov_iter iter; int ret; - trace_netfs_rreq(rreq, netfs_rreq_trace_write); + trace_netfs_rreq(rreq, netfs_rreq_trace_copy); /* We don't want terminating writes trying to wake us up whilst we're * still going through the list. diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h index 2d0665b416bf..8330ae8fbc0a 100644 --- a/include/trace/events/netfs.h +++ b/include/trace/events/netfs.h @@ -21,14 +21,19 @@ EM(netfs_read_trace_readpage, "READPAGE ") \ E_(netfs_read_trace_write_begin, "WRITEBEGN") +#define netfs_rreq_origins \ + EM(NETFS_READAHEAD, "RA") \ + EM(NETFS_READPAGE, "RP") \ + E_(NETFS_READ_FOR_WRITE, "RW") + #define netfs_rreq_traces \ - EM(netfs_rreq_trace_assess, "ASSESS") \ - EM(netfs_rreq_trace_done, "DONE ") \ - EM(netfs_rreq_trace_free, "FREE ") \ - EM(netfs_rreq_trace_resubmit, "RESUBM") \ - EM(netfs_rreq_trace_unlock, "UNLOCK") \ - EM(netfs_rreq_trace_unmark, "UNMARK") \ - E_(netfs_rreq_trace_write, "WRITE ") + EM(netfs_rreq_trace_assess, "ASSESS ") \ + EM(netfs_rreq_trace_copy, "COPY ") \ + EM(netfs_rreq_trace_done, "DONE ") \ + EM(netfs_rreq_trace_free, "FREE ") \ + EM(netfs_rreq_trace_resubmit, "RESUBMT") \ + EM(netfs_rreq_trace_unlock, "UNLOCK ") \ + E_(netfs_rreq_trace_unmark, "UNMARK ") #define netfs_sreq_sources \ EM(NETFS_FILL_WITH_ZEROES, "ZERO") \ @@ -79,6 +84,7 @@ enum netfs_failure { netfs_failures } __mode(byte); #define E_(a, b) TRACE_DEFINE_ENUM(a); netfs_read_traces; +netfs_rreq_origins; netfs_rreq_traces; netfs_sreq_sources; netfs_sreq_traces; @@ -134,18 +140,21 @@ TRACE_EVENT(netfs_rreq, TP_STRUCT__entry( __field(unsigned int, rreq ) - __field(unsigned short, flags ) + __field(unsigned int, flags ) + __field(enum netfs_io_origin, origin ) __field(enum netfs_rreq_trace, what ) ), TP_fast_assign( __entry->rreq = rreq->debug_id; __entry->flags = rreq->flags; + __entry->origin = rreq->origin; __entry->what = what; ), - TP_printk("R=%08x %s f=%02x", + TP_printk("R=%08x %s %s f=%02x", __entry->rreq, + __print_symbolic(__entry->origin, netfs_rreq_origins), __print_symbolic(__entry->what, netfs_rreq_traces), __entry->flags) ); @@ -182,8 +191,8 @@ TRACE_EVENT(netfs_sreq, TP_printk("R=%08x[%u] %s %s f=%02x s=%llx %zx/%zx e=%d", __entry->rreq, __entry->index, - __print_symbolic(__entry->what, netfs_sreq_traces), __print_symbolic(__entry->source, netfs_sreq_sources), + __print_symbolic(__entry->what, netfs_sreq_traces), __entry->flags, __entry->start, __entry->transferred, __entry->len, __entry->error)