From patchwork Thu Apr 21 12:19:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Dumazet X-Patchwork-Id: 613088 X-Patchwork-Delegate: shemminger@vyatta.com Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3qrHqM0mPpz9sf9 for ; Thu, 21 Apr 2016 22:19:11 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=ggvJLgVC; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752287AbcDUMTI (ORCPT ); Thu, 21 Apr 2016 08:19:08 -0400 Received: from mail-pa0-f50.google.com ([209.85.220.50]:36160 "EHLO mail-pa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751840AbcDUMTH (ORCPT ); Thu, 21 Apr 2016 08:19:07 -0400 Received: by mail-pa0-f50.google.com with SMTP id er2so28753942pad.3 for ; Thu, 21 Apr 2016 05:19:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:subject:from:to:cc:date:mime-version :content-transfer-encoding; bh=2wHm/t9ka0AdQ1DO9cU/2NR4tp0D1lytP0AG8fxzadY=; b=ggvJLgVCo4Yu6beX9EsCUkS3vsJRBovayr6u/N1FLNJcT1MOjynADJfhIwryProeRU 8qakBgNtlT/mDscRFOCptEiN7v19/foODqXy3RLmXacXloAXpMILu7eSJAvISbN8IS1w 2a9kKLiV9474yihbraBUaAxH7k32ft/9nWo+1/jhbVVF4qz/HqT+qRG7GH7+abYo28Q3 +GAqpWrixvcgK+7k03yK7eutoFmB1ZlhC89zob6cY+mWA0cu0nqlNeZQSQMmPBAt+CFZ HaynCf9Qg+1PkLo2fRN7oKIWlcXzmqdiyBXpUydO/Y302cGcy65Q7h5B5VH9qAe7vj12 rI3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:subject:from:to:cc:date:mime-version :content-transfer-encoding; bh=2wHm/t9ka0AdQ1DO9cU/2NR4tp0D1lytP0AG8fxzadY=; b=UELg2vmK37bWAbC1ed6f/hBxgC2WgU+EK4qeC9a6TL/GisznXoThX/XIiAhPVczSKs V2gZWSZJ9mIShXCY4yhsFiDoOEptIzd40B6gkB7IdLcXh+SW1gEJ7vYApFEqiYJ6Ft43 ce62vPL54iR3jdKIjPnkrePGKqg+CXE/egIHk5HYPzuE9z95M9GjGqEoC8msiZ0NjSSb TlHpYc2KEdQyD0PHwKY2xBfT8GenhyCkrn68iqhf6q8PnXGUZ4s92ElB1Qo0SAYc4KMw +ut3w8C9x1pZhyejIKQfaDAaz5DyrsLfNjG0F4HLlmgWktvEKPOLjQ6owAfih+T5bxtN mg2A== X-Gm-Message-State: AOPr4FUz1emjJHq2m9B7c9NgxjQ75F8Sdnq1lPoBCHFjcMxsrok75DMPkk1ZUsRG6YzjKw== X-Received: by 10.66.72.198 with SMTP id f6mr20473466pav.60.1461241146160; Thu, 21 Apr 2016 05:19:06 -0700 (PDT) Received: from [172.19.249.145] ([172.19.249.145]) by smtp.googlemail.com with ESMTPSA id kh2sm1911982pad.9.2016.04.21.05.19.04 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 21 Apr 2016 05:19:05 -0700 (PDT) Message-ID: <1461241144.7627.6.camel@edumazet-glaptop3.roam.corp.google.com> Subject: [PATCH iproute2] ss: add SK_MEMINFO_DROPS display From: Eric Dumazet To: Stephen Hemminger Cc: netdev Date: Thu, 21 Apr 2016 05:19:04 -0700 X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eric Dumazet SK_MEMINFO_DROPS is added in linux-4.7 for TCP, UDP and SCTP skmem will display the socket drop count using d prefix as in : $ ss -tm src :22 | more State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 52 10.246.7.151:ssh 172.20.10.101:50759 skmem:(r0,rb8388608,t0,tb8388608,f1792,w2304,o0,bl0,d0) Signed-off-by: Eric Dumazet --- include/linux/sock_diag.h | 1 + misc/ss.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h index dafcb89..901231e 100644 --- a/include/linux/sock_diag.h +++ b/include/linux/sock_diag.h @@ -20,6 +20,7 @@ enum { SK_MEMINFO_WMEM_QUEUED, SK_MEMINFO_OPTMEM, SK_MEMINFO_BACKLOG, + SK_MEMINFO_DROPS, SK_MEMINFO_VARS, }; diff --git a/misc/ss.c b/misc/ss.c index deefc96..3258584 100644 --- a/misc/ss.c +++ b/misc/ss.c @@ -1905,6 +1905,10 @@ static void print_skmeminfo(struct rtattr *tb[], int attrtype) (SK_MEMINFO_BACKLOG + 1) * sizeof(__u32)) printf(",bl%u", skmeminfo[SK_MEMINFO_BACKLOG]); + if (RTA_PAYLOAD(tb[attrtype]) >= + (SK_MEMINFO_DROPS + 1) * sizeof(__u32)) + printf(",d%u", skmeminfo[SK_MEMINFO_DROPS]); + printf(")"); }