From patchwork Sat Mar 11 15:17:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Xing X-Patchwork-Id: 13170887 X-Patchwork-Delegate: kuba@kernel.org 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 A726FC6FD1C for ; Sat, 11 Mar 2023 15:18:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230336AbjCKPSH (ORCPT ); Sat, 11 Mar 2023 10:18:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229791AbjCKPSF (ORCPT ); Sat, 11 Mar 2023 10:18:05 -0500 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C843C10A88; Sat, 11 Mar 2023 07:18:03 -0800 (PST) Received: by mail-pj1-x102f.google.com with SMTP id ce8-20020a17090aff0800b0023a61cff2c6so10090266pjb.0; Sat, 11 Mar 2023 07:18:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1678547883; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=vzL0lKQA7Qxou/xZXI6wkc7TkinivUbSS7RQX8UnPsM=; b=p6l8O63x+x3Q2LUDQ3HlrBHvQtlU5v4UezfcX7HxRInV8MkJ//yj01Fw9vrEDtNRBa lwG9sPxEZdfbqgXC4II3ri4yc83g2Yg4a6BAixUz3dlMrqdEFijhekqfZOOBbKGHhwye Xs5hQ8RTrRMfBux9kgpTUFBNO0w5JYfpLxptquaoMkFo37rkSD7yQBIWMZ0v/JSW6jWY VtCO4JuefR7yhA0+lBKsgVnoo/YfJ48/shsr3GedmOA/acC/SgSPRpP2YRLNcrP8/g6k NdhpSKlRfKoIGSgsFVEqIxem7giPHnpOh8OdcDd1GKObrf02FDXiOAfFSubAfW/fXMK0 qnxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678547883; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=vzL0lKQA7Qxou/xZXI6wkc7TkinivUbSS7RQX8UnPsM=; b=ZjyMeCoTECo9p6ofpbVZ2NvH8pDRI3loJ91n/epLtC8S85uzJqHYhktEAOBbqn//at X26oFL503qCty5twi3NKAg5R1AsEa/Op/XU7sG013r/OXwFTXnqIBM1b5Fm9CbOh5ACe lq1ti1Tqc7GmdBZnM4uIrww8dFxVlncnmsL8NrvnyBvFO5sa2UDt1uD3t09yBW29ZRT5 wJl4Ni6Vpo5x3sLT3jc+FOAqCElwiA1CYmZksTRZ4io3HhD4cNPBbM1lD1bn/XkdgAbV 7SLz9r+Mh7nk4AnLZlUVkpXZ5VQP8dNos0nb9pt8fueQE90+GvDrpzTUQfKZEAkap1Tn QZRA== X-Gm-Message-State: AO0yUKWDsughvy6rdOfRb8IQ6VrDp85hw5pv9GMb4nx8RSXTlyIsN/yj EWY1Gl5WcZU19ynicpOE8yk= X-Google-Smtp-Source: AK7set/KJWGZB1W8/CipRrS+KK/oKGcA4x7I2P/qKdRWMqJjvvL1fwfFfQf2bwm9TJQ9AjddMrG8vw== X-Received: by 2002:a17:902:ec84:b0:19c:c87b:4740 with SMTP id x4-20020a170902ec8400b0019cc87b4740mr33928704plg.34.1678547882857; Sat, 11 Mar 2023 07:18:02 -0800 (PST) Received: from KERNELXING-MB0.tencent.com ([114.253.32.213]) by smtp.gmail.com with ESMTPSA id o11-20020a170902d4cb00b00194caf3e975sm1670922plg.208.2023.03.11.07.18.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Mar 2023 07:18:02 -0800 (PST) From: Jason Xing To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kerneljasonxing@gmail.com, Jason Xing Subject: [PATCH net-next] net-sysfs: display two backlog queue len separately Date: Sat, 11 Mar 2023 23:17:56 +0800 Message-Id: <20230311151756.83302-1-kerneljasonxing@gmail.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Jason Xing Sometimes we need to know which one of backlog queue can be exactly long enough to cause some latency when debugging this part is needed. Thus, we can then separate the display of both. Signed-off-by: Jason Xing --- net/core/net-procfs.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c index 1ec23bf8b05c..97a304e1957a 100644 --- a/net/core/net-procfs.c +++ b/net/core/net-procfs.c @@ -115,10 +115,14 @@ static int dev_seq_show(struct seq_file *seq, void *v) return 0; } -static u32 softnet_backlog_len(struct softnet_data *sd) +static u32 softnet_input_pkt_queue_len(struct softnet_data *sd) { - return skb_queue_len_lockless(&sd->input_pkt_queue) + - skb_queue_len_lockless(&sd->process_queue); + return skb_queue_len_lockless(&sd->input_pkt_queue); +} + +static u32 softnet_process_queue_len(struct softnet_data *sd) +{ + return skb_queue_len_lockless(&sd->process_queue); } static struct softnet_data *softnet_get_online(loff_t *pos) @@ -169,12 +173,15 @@ static int softnet_seq_show(struct seq_file *seq, void *v) * mapping the data a specific CPU */ seq_printf(seq, - "%08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x\n", + "%08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x " + "%08x %08x\n", sd->processed, sd->dropped, sd->time_squeeze, 0, 0, 0, 0, 0, /* was fastroute */ 0, /* was cpu_collision */ sd->received_rps, flow_limit_count, - softnet_backlog_len(sd), (int)seq->index); + 0, /* was len of two backlog queues */ + (int)seq->index, + softnet_input_pkt_queue_len(sd), softnet_process_queue_len(sd)); return 0; }