From patchwork Fri Sep 17 15:05:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 12502411 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=-16.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 8C932C43217 for ; Fri, 17 Sep 2021 15:06:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7432A611C4 for ; Fri, 17 Sep 2021 15:06:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344029AbhIQPHd (ORCPT ); Fri, 17 Sep 2021 11:07:33 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:45074 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343701AbhIQPHP (ORCPT ); Fri, 17 Sep 2021 11:07:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1631891153; 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=FwDbetJXiQwNCIsFhQsMALO9y06WPS64GOk589yoZNg=; b=iE+qTMPjPZXAuv3TI40k5Ch/hdc3swquQc7+VmRgGupS6b/X60rLxTrNSZ8UOL65I2nApu oJloV7yss971uZtiLwuWqKrHpNNtkLLiiqGAKfny1hRxgEwLBkIs+0QoqzPSf+3DxlXtoL 8qMsJPlf/9y52ITcw2kSb1H52M9tZ54= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-158-8TDyJavcNA-biAksa832aA-1; Fri, 17 Sep 2021 11:05:52 -0400 X-MC-Unique: 8TDyJavcNA-biAksa832aA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EC4FA1808306; Fri, 17 Sep 2021 15:05:49 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.44]) by smtp.corp.redhat.com (Postfix) with ESMTP id E4D7D5C1C5; Fri, 17 Sep 2021 15:05:46 +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 v2 7/8] fscache: Remove stats that are no longer used From: David Howells To: Trond Myklebust , Anna Schumaker , Steve French , Dominique Martinet Cc: linux-cachefs@redhat.com, dhowells@redhat.com, Jeff Layton , Matthew Wilcox , Alexander Viro , Linus Torvalds , linux-cachefs@redhat.com, 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: Fri, 17 Sep 2021 16:05:46 +0100 Message-ID: <163189114616.2509237.9890995143218948138.stgit@warthog.procyon.org.uk> In-Reply-To: <163189104510.2509237.10805032055807259087.stgit@warthog.procyon.org.uk> References: <163189104510.2509237.10805032055807259087.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.23 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Remove stats counters that are no longer used and remove their display from /proc/fs/fscache/stats. Signed-off-by: David Howells cc: linux-cachefs@redhat.com Link: https://lore.kernel.org/r/163162776915.438332.16744135153328311006.stgit@warthog.procyon.org.uk/ # rfc --- fs/fscache/internal.h | 28 ---------------------- fs/fscache/stats.c | 63 +------------------------------------------------ 2 files changed, 1 insertion(+), 90 deletions(-) diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h index 5281fa1894cd..6eb3f51d7275 100644 --- a/fs/fscache/internal.h +++ b/fs/fscache/internal.h @@ -151,15 +151,6 @@ extern atomic_t fscache_n_attr_changed_nobufs; extern atomic_t fscache_n_attr_changed_nomem; extern atomic_t fscache_n_attr_changed_calls; -extern atomic_t fscache_n_allocs; -extern atomic_t fscache_n_allocs_ok; -extern atomic_t fscache_n_allocs_wait; -extern atomic_t fscache_n_allocs_nobufs; -extern atomic_t fscache_n_allocs_intr; -extern atomic_t fscache_n_allocs_object_dead; -extern atomic_t fscache_n_alloc_ops; -extern atomic_t fscache_n_alloc_op_waits; - extern atomic_t fscache_n_retrievals; extern atomic_t fscache_n_retrievals_ok; extern atomic_t fscache_n_retrievals_wait; @@ -178,22 +169,9 @@ extern atomic_t fscache_n_stores_nobufs; extern atomic_t fscache_n_stores_intr; extern atomic_t fscache_n_stores_oom; extern atomic_t fscache_n_store_ops; -extern atomic_t fscache_n_store_calls; -extern atomic_t fscache_n_store_pages; -extern atomic_t fscache_n_store_radix_deletes; -extern atomic_t fscache_n_store_pages_over_limit; extern atomic_t fscache_n_stores_object_dead; extern atomic_t fscache_n_store_op_waits; -extern atomic_t fscache_n_store_vmscan_not_storing; -extern atomic_t fscache_n_store_vmscan_gone; -extern atomic_t fscache_n_store_vmscan_busy; -extern atomic_t fscache_n_store_vmscan_cancelled; -extern atomic_t fscache_n_store_vmscan_wait; - -extern atomic_t fscache_n_marks; -extern atomic_t fscache_n_uncaches; - extern atomic_t fscache_n_acquires; extern atomic_t fscache_n_acquires_null; extern atomic_t fscache_n_acquires_no_cache; @@ -242,12 +220,6 @@ extern atomic_t fscache_n_cop_drop_object; extern atomic_t fscache_n_cop_put_object; extern atomic_t fscache_n_cop_sync_cache; extern atomic_t fscache_n_cop_attr_changed; -extern atomic_t fscache_n_cop_read_or_alloc_page; -extern atomic_t fscache_n_cop_read_or_alloc_pages; -extern atomic_t fscache_n_cop_allocate_page; -extern atomic_t fscache_n_cop_allocate_pages; -extern atomic_t fscache_n_cop_write_page; -extern atomic_t fscache_n_cop_uncache_page; extern atomic_t fscache_n_cache_no_space_reject; extern atomic_t fscache_n_cache_stale_objects; diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c index 4cefce5bf4cd..2449aa459140 100644 --- a/fs/fscache/stats.c +++ b/fs/fscache/stats.c @@ -30,15 +30,6 @@ atomic_t fscache_n_attr_changed_nobufs; atomic_t fscache_n_attr_changed_nomem; atomic_t fscache_n_attr_changed_calls; -atomic_t fscache_n_allocs; -atomic_t fscache_n_allocs_ok; -atomic_t fscache_n_allocs_wait; -atomic_t fscache_n_allocs_nobufs; -atomic_t fscache_n_allocs_intr; -atomic_t fscache_n_allocs_object_dead; -atomic_t fscache_n_alloc_ops; -atomic_t fscache_n_alloc_op_waits; - atomic_t fscache_n_retrievals; atomic_t fscache_n_retrievals_ok; atomic_t fscache_n_retrievals_wait; @@ -57,22 +48,9 @@ atomic_t fscache_n_stores_nobufs; atomic_t fscache_n_stores_intr; atomic_t fscache_n_stores_oom; atomic_t fscache_n_store_ops; -atomic_t fscache_n_store_calls; -atomic_t fscache_n_store_pages; -atomic_t fscache_n_store_radix_deletes; -atomic_t fscache_n_store_pages_over_limit; atomic_t fscache_n_stores_object_dead; atomic_t fscache_n_store_op_waits; -atomic_t fscache_n_store_vmscan_not_storing; -atomic_t fscache_n_store_vmscan_gone; -atomic_t fscache_n_store_vmscan_busy; -atomic_t fscache_n_store_vmscan_cancelled; -atomic_t fscache_n_store_vmscan_wait; - -atomic_t fscache_n_marks; -atomic_t fscache_n_uncaches; - atomic_t fscache_n_acquires; atomic_t fscache_n_acquires_null; atomic_t fscache_n_acquires_no_cache; @@ -121,12 +99,6 @@ atomic_t fscache_n_cop_drop_object; atomic_t fscache_n_cop_put_object; atomic_t fscache_n_cop_sync_cache; atomic_t fscache_n_cop_attr_changed; -atomic_t fscache_n_cop_read_or_alloc_page; -atomic_t fscache_n_cop_read_or_alloc_pages; -atomic_t fscache_n_cop_allocate_page; -atomic_t fscache_n_cop_allocate_pages; -atomic_t fscache_n_cop_write_page; -atomic_t fscache_n_cop_uncache_page; atomic_t fscache_n_cache_no_space_reject; atomic_t fscache_n_cache_stale_objects; @@ -156,10 +128,6 @@ int fscache_stats_show(struct seq_file *m, void *v) atomic_read(&fscache_n_checkaux_update), atomic_read(&fscache_n_checkaux_obsolete)); - seq_printf(m, "Pages : mrk=%u unc=%u\n", - atomic_read(&fscache_n_marks), - atomic_read(&fscache_n_uncaches)); - seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u" " oom=%u\n", atomic_read(&fscache_n_acquires), @@ -198,17 +166,6 @@ int fscache_stats_show(struct seq_file *m, void *v) atomic_read(&fscache_n_attr_changed_nomem), atomic_read(&fscache_n_attr_changed_calls)); - seq_printf(m, "Allocs : n=%u ok=%u wt=%u nbf=%u int=%u\n", - atomic_read(&fscache_n_allocs), - atomic_read(&fscache_n_allocs_ok), - atomic_read(&fscache_n_allocs_wait), - atomic_read(&fscache_n_allocs_nobufs), - atomic_read(&fscache_n_allocs_intr)); - seq_printf(m, "Allocs : ops=%u owt=%u abt=%u\n", - atomic_read(&fscache_n_alloc_ops), - atomic_read(&fscache_n_alloc_op_waits), - atomic_read(&fscache_n_allocs_object_dead)); - seq_printf(m, "Retrvls: n=%u ok=%u wt=%u nod=%u nbf=%u" " int=%u oom=%u\n", atomic_read(&fscache_n_retrievals), @@ -230,22 +187,11 @@ int fscache_stats_show(struct seq_file *m, void *v) atomic_read(&fscache_n_stores_nobufs), atomic_read(&fscache_n_stores_intr), atomic_read(&fscache_n_stores_oom)); - seq_printf(m, "Stores : ops=%u owt=%u run=%u pgs=%u rxd=%u olm=%u abt=%u\n", + seq_printf(m, "Stores : ops=%u owt=%u abt=%u\n", atomic_read(&fscache_n_store_ops), atomic_read(&fscache_n_store_op_waits), - atomic_read(&fscache_n_store_calls), - atomic_read(&fscache_n_store_pages), - atomic_read(&fscache_n_store_radix_deletes), - atomic_read(&fscache_n_store_pages_over_limit), atomic_read(&fscache_n_stores_object_dead)); - seq_printf(m, "VmScan : nos=%u gon=%u bsy=%u can=%u wt=%u\n", - atomic_read(&fscache_n_store_vmscan_not_storing), - atomic_read(&fscache_n_store_vmscan_gone), - atomic_read(&fscache_n_store_vmscan_busy), - atomic_read(&fscache_n_store_vmscan_cancelled), - atomic_read(&fscache_n_store_vmscan_wait)); - seq_printf(m, "Ops : pend=%u run=%u enq=%u can=%u rej=%u\n", atomic_read(&fscache_n_op_pend), atomic_read(&fscache_n_op_run), @@ -270,13 +216,6 @@ int fscache_stats_show(struct seq_file *m, void *v) atomic_read(&fscache_n_cop_put_object), atomic_read(&fscache_n_cop_attr_changed), atomic_read(&fscache_n_cop_sync_cache)); - seq_printf(m, "CacheOp: rap=%d ras=%d alp=%d als=%d wrp=%d ucp=%d\n", - atomic_read(&fscache_n_cop_read_or_alloc_page), - atomic_read(&fscache_n_cop_read_or_alloc_pages), - atomic_read(&fscache_n_cop_allocate_page), - atomic_read(&fscache_n_cop_allocate_pages), - atomic_read(&fscache_n_cop_write_page), - atomic_read(&fscache_n_cop_uncache_page)); seq_printf(m, "CacheEv: nsp=%d stl=%d rtr=%d cul=%d\n", atomic_read(&fscache_n_cache_no_space_reject), atomic_read(&fscache_n_cache_stale_objects),