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=-19.7 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,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED, USER_AGENT_SANE_1 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 AA264C433E1 for ; Mon, 22 Mar 2021 02:30:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7C67B61955 for ; Mon, 22 Mar 2021 02:30:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229614AbhCVCaY (ORCPT ); Sun, 21 Mar 2021 22:30:24 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:54376 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229771AbhCVCaL (ORCPT ); Sun, 21 Mar 2021 22:30:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1616380210; 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=hoEYKz92BqX9jpNF9MEfaXcPPJlotEKVc+uq+UT/kmw=; b=U/pAGye1pr04JHXeRPlfbwYNWk8zdqBESJ7Wd+/E4TfJvzW7tQ0T59iucLWE6q/7cUrgJg VmjnHVxsvVWSeNJknUD2jMZqwzv+UzW0Uc8j3Ish/aY+cKpxU8Kc9XDxPfTnnlCeEn9IJW Yq026skP3QYM3O88E5B0lEj0L0wJ+0A= 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-75-Z8QVsd8QNEKy-P0lZf9S7w-1; Sun, 21 Mar 2021 22:30:06 -0400 X-MC-Unique: Z8QVsd8QNEKy-P0lZf9S7w-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 52C6A1007474; Mon, 22 Mar 2021 02:30:05 +0000 (UTC) Received: from [10.72.12.53] (ovpn-12-53.pek2.redhat.com [10.72.12.53]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 683291C4; Mon, 22 Mar 2021 02:30:03 +0000 (UTC) Subject: Re: [PATCH] ceph: send opened files/pinned caps/opened inodes metrics to MDS daemon To: jlayton@kernel.org Cc: pdonnell@redhat.com, ceph-devel@vger.kernel.org, Ilya Dryomov References: <20201126034743.1151342-1-xiubli@redhat.com> From: Xiubo Li Message-ID: Date: Mon, 22 Mar 2021 10:30:00 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20201126034743.1151342-1-xiubli@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Hi Jeff, Ping. The MDS side patch[1] have been merged. [1] https://github.com/ceph/ceph/pull/37945 Thanks On 2020/11/26 11:47, xiubli@redhat.com wrote: > From: Xiubo Li > > For the old ceph version, if it received this metric message containing > the send opened files/pinned caps/opened inodes metric info, it will > just ignore them. > > URL: https://tracker.ceph.com/issues/46866 > Signed-off-by: Xiubo Li > --- > fs/ceph/metric.c | 38 +++++++++++++++++++++++++++++++++++++- > fs/ceph/metric.h | 44 +++++++++++++++++++++++++++++++++++++++++++- > 2 files changed, 80 insertions(+), 2 deletions(-) > > diff --git a/fs/ceph/metric.c b/fs/ceph/metric.c > index 5ec94bd4c1de..306bd599d940 100644 > --- a/fs/ceph/metric.c > +++ b/fs/ceph/metric.c > @@ -17,6 +17,9 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc, > struct ceph_metric_write_latency *write; > struct ceph_metric_metadata_latency *meta; > struct ceph_metric_dlease *dlease; > + struct ceph_opened_files *files; > + struct ceph_pinned_icaps *icaps; > + struct ceph_opened_inodes *inodes; > struct ceph_client_metric *m = &mdsc->metric; > u64 nr_caps = atomic64_read(&m->total_caps); > struct ceph_msg *msg; > @@ -26,7 +29,8 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc, > s32 len; > > len = sizeof(*head) + sizeof(*cap) + sizeof(*read) + sizeof(*write) > - + sizeof(*meta) + sizeof(*dlease); > + + sizeof(*meta) + sizeof(*dlease) + sizeof(files) + sizeof(icaps) > + + sizeof(inodes); > > msg = ceph_msg_new(CEPH_MSG_CLIENT_METRICS, len, GFP_NOFS, true); > if (!msg) { > @@ -95,6 +99,38 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc, > dlease->total = cpu_to_le64(atomic64_read(&m->total_dentries)); > items++; > > + sum = percpu_counter_sum(&m->total_inodes); > + > + /* encode the opened files metric */ > + files = (struct ceph_opened_files *)(dlease + 1); > + files->type = cpu_to_le32(CLIENT_METRIC_TYPE_OPENED_FILES); > + files->ver = 1; > + files->compat = 1; > + files->data_len = cpu_to_le32(sizeof(*files) - 10); > + files->opened_files = cpu_to_le64(atomic64_read(&m->opened_files)); > + files->total = cpu_to_le64(sum); > + items++; > + > + /* encode the pinned icaps metric */ > + icaps = (struct ceph_pinned_icaps *)(files + 1); > + icaps->type = cpu_to_le32(CLIENT_METRIC_TYPE_PINNED_ICAPS); > + icaps->ver = 1; > + icaps->compat = 1; > + icaps->data_len = cpu_to_le32(sizeof(*icaps) - 10); > + icaps->pinned_icaps = cpu_to_le64(nr_caps); > + icaps->total = cpu_to_le64(sum); > + items++; > + > + /* encode the opened inodes metric */ > + inodes = (struct ceph_opened_inodes *)(icaps + 1); > + inodes->type = cpu_to_le32(CLIENT_METRIC_TYPE_OPENED_INODES); > + inodes->ver = 1; > + inodes->compat = 1; > + inodes->data_len = cpu_to_le32(sizeof(*inodes) - 10); > + inodes->opened_inodes = cpu_to_le64(percpu_counter_sum(&m->opened_inodes)); > + inodes->total = cpu_to_le64(sum); > + items++; > + > put_unaligned_le32(items, &head->num); > msg->front.iov_len = len; > msg->hdr.version = cpu_to_le16(1); > diff --git a/fs/ceph/metric.h b/fs/ceph/metric.h > index af6038ff39d4..4ceb462135d7 100644 > --- a/fs/ceph/metric.h > +++ b/fs/ceph/metric.h > @@ -14,8 +14,11 @@ enum ceph_metric_type { > CLIENT_METRIC_TYPE_WRITE_LATENCY, > CLIENT_METRIC_TYPE_METADATA_LATENCY, > CLIENT_METRIC_TYPE_DENTRY_LEASE, > + CLIENT_METRIC_TYPE_OPENED_FILES, > + CLIENT_METRIC_TYPE_PINNED_ICAPS, > + CLIENT_METRIC_TYPE_OPENED_INODES, > > - CLIENT_METRIC_TYPE_MAX = CLIENT_METRIC_TYPE_DENTRY_LEASE, > + CLIENT_METRIC_TYPE_MAX = CLIENT_METRIC_TYPE_OPENED_INODES, > }; > > /* > @@ -28,6 +31,9 @@ enum ceph_metric_type { > CLIENT_METRIC_TYPE_WRITE_LATENCY, \ > CLIENT_METRIC_TYPE_METADATA_LATENCY, \ > CLIENT_METRIC_TYPE_DENTRY_LEASE, \ > + CLIENT_METRIC_TYPE_OPENED_FILES, \ > + CLIENT_METRIC_TYPE_PINNED_ICAPS, \ > + CLIENT_METRIC_TYPE_OPENED_INODES, \ > \ > CLIENT_METRIC_TYPE_MAX, \ > } > @@ -94,6 +100,42 @@ struct ceph_metric_dlease { > __le64 total; > } __packed; > > +/* metric opened files header */ > +struct ceph_opened_files { > + __le32 type; /* ceph metric type */ > + > + __u8 ver; > + __u8 compat; > + > + __le32 data_len; /* length of sizeof(opened_files + total) */ > + __le64 opened_files; > + __le64 total; > +} __packed; > + > +/* metric pinned i_caps header */ > +struct ceph_pinned_icaps { > + __le32 type; /* ceph metric type */ > + > + __u8 ver; > + __u8 compat; > + > + __le32 data_len; /* length of sizeof(pinned_icaps + total) */ > + __le64 pinned_icaps; > + __le64 total; > +} __packed; > + > +/* metric opened inodes header */ > +struct ceph_opened_inodes { > + __le32 type; /* ceph metric type */ > + > + __u8 ver; > + __u8 compat; > + > + __le32 data_len; /* length of sizeof(opened_inodes + total) */ > + __le64 opened_inodes; > + __le64 total; > +} __packed; > + > struct ceph_metric_head { > __le32 num; /* the number of metrics that will be sent */ > } __packed;