From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id ADA0AA0561; Mon, 20 Apr 2020 17:58:48 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 70D931D54E; Mon, 20 Apr 2020 17:58:48 +0200 (CEST) Received: from mail-pl1-f194.google.com (mail-pl1-f194.google.com [209.85.214.194]) by dpdk.org (Postfix) with ESMTP id 62D061C2EB for ; Mon, 20 Apr 2020 11:41:06 +0200 (CEST) Received: by mail-pl1-f194.google.com with SMTP id g2so3756547plo.3 for ; Mon, 20 Apr 2020 02:41:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=1+6LWnG0/eLtGPSIv4K1cs0hrbJZUoCGeElSeFf7RJU=; b=HJYPjHCkVAV7k2VF/3cW1pFZLy3Ts6ZHdwO3NCuhLCxB2AIAm2SfhjhB9kUlFY2bJk a4eKb89MGe8FO92x9MuQ26i9SD0WH62b9py/r4yypf4lDAmGfTaaxmLFT1eQxiiYCY+B 60v6E3tCMsRpnOyOcf+9Kz+bFwuYJFaUJtiLNG+eELCaaMOqr7ZrikmxOEp4R41GNQAT zt9qgLPVAgG+pVct4dycEZLZT9KNOJ01Zk/g3g9PctHIMW5EDXyHfE70V24V8W8tUbFF k+vVp/dtezPtPqUdgSgRw+ljlbS7YzsN5m+RLdZT8X3oVe/DjthqSz9oBJ4Hgbc96yjS JpoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=1+6LWnG0/eLtGPSIv4K1cs0hrbJZUoCGeElSeFf7RJU=; b=XVeT1yPp0nwamLQoDXpk50SWhMeVhNm6LHBkiMC65eKOgy2efJWG72g5GSFPjpthkH 887sNXLuVYfchBDyRa8EqlU6Kli28x0mYFup/twvM2OenWre1FZXprHdRs5fAMCIDyS/ LN57NCuPyDEjXMrk1QtMCn5H42mqLaYWcWPGBt1tD9NNJXHW+zkQD0Luin8N5guP3uQJ ET9zkvHnRMShPi8b8U5iEz+Nwv+3IlPlegktntEB1wSuSGNE3kvG5xqEIUtu837SDH81 2uRVpDjgkPCXlk5fn/kgFFharBigLQmE5+dJthmHzxNxYxlZweLOjuEryWqgG9+k1Zzz pBxQ== X-Gm-Message-State: AGi0PuZZRmeNx9cM6P6cEXIBy86JNeIPtw+PhsG9Vke2dzaJ8NIRV4Su fYVoS5ETWrJcFsBhFrWReaI/xXl7t31EMiiaRTXllUcXzcx6uA== X-Google-Smtp-Source: APiQypKSxXPzloreSKtcBt46O+YO+IEDbw/N2BO+OJtRhBH8zjpSNlV3tx21TuxBozWBNPZoCL0+awrJ6FuJn/ipNVU= X-Received: by 2002:a17:90b:3443:: with SMTP id lj3mr20532561pjb.38.1587375665511; Mon, 20 Apr 2020 02:41:05 -0700 (PDT) MIME-Version: 1.0 References: <20200420070508.645533-1-fengli@smartx.com> In-Reply-To: From: Feng Li Date: Mon, 20 Apr 2020 17:40:37 +0800 Message-ID: To: David Marchand Cc: Li Feng , Anatoly Burakov , Kyle Zhang , dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Mailman-Approved-At: Mon, 20 Apr 2020 17:58:46 +0200 Subject: Re: [dpdk-dev] [PATCH] eal: add madvise to avoid dump memory X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Thank you, Marchand, I have just tested your patch, and it doesn't work. The core dump file is still very very large, the same to virtual memory siz= e. David Marchand =E4=BA=8E2020=E5=B9=B44=E6=9C=88= 20=E6=97=A5=E5=91=A8=E4=B8=80 =E4=B8=8B=E5=8D=883:13=E5=86=99=E9=81=93=EF= =BC=9A > > On Mon, Apr 20, 2020 at 9:10 AM Li Feng wrote: > > Li Feng =E4=BA=8E2020=E5=B9=B44=E6=9C=8820=E6=97=A5= =E5=91=A8=E4=B8=80 =E4=B8=8B=E5=8D=883:04=E5=86=99=E9=81=93=EF=BC=9A > > > > > > Avoid dump all mmapped memory to coredump file when crash. > > > Otherwise it will very large and it's hard to analyze with gdb. > > > > > > In my test, it will dump 128GiB memory to coredump file when integrat= ed > > > to spdk with default configuration. > > Can you test with current master which has this change? > https://git.dpdk.org/dpdk/commit?id=3D8a4baf06c17a806696fb10aba36fce74719= 83028 > > Thanks. > > -- > David Marchand >