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 49749A04F2; Mon, 8 Jun 2020 13:04:08 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A40992BE1; Mon, 8 Jun 2020 13:04:07 +0200 (CEST) Received: from mail-io1-f45.google.com (mail-io1-f45.google.com [209.85.166.45]) by dpdk.org (Postfix) with ESMTP id 440DBDE0 for ; Mon, 8 Jun 2020 13:04:06 +0200 (CEST) Received: by mail-io1-f45.google.com with SMTP id r2so18124758ioo.4 for ; Mon, 08 Jun 2020 04:04:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=nv2Lp1iRP8IAHaaRJqmP6J5nn5xYJFW1I1ChR9tAJVk=; b=VRMhHG6JD4pe1qeY1Itq1xVX29ZtvEKyWr46Ba7wDeKr+ME9siph2KJvwGt/oqu5mw jhliRmNLQY2FW9fcD4SPFFcO4rhoflAhvioUHAB718NgsuxmmfGtZfT6CuDfwhdMkuE0 Gi/Cf/GV8WY+ZHXehrjp8CA6aic+hLWO1LfdaokDgbZDPzhJkUWFvCo1gsDVQcyBteAE xgZ5IV++gh+NAhwv3tEQL+fLm31DsAG0oS6qeMZXssPUa92nytDqhyj7SlRncd6fmxrV Rfls3ZZ51VxHLxXYOPYDUMIIX4W9E8XXl2Qu1LInKbZBWfhYiMJDrO3njBzGD7GyZPG4 rXmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=nv2Lp1iRP8IAHaaRJqmP6J5nn5xYJFW1I1ChR9tAJVk=; b=tVlsmX8/3fxtk47fKBBgw11lI6FtBuhJyGGgMFxD4i8bgh8Tj+pHqlj3RFx09pciwB fNEeEqc+iXiemsmQnRYsEPy+BCQrPirfUoIbUKaQC3tXZCR7uDxrvplBx0G2X5EM7OFF PTsWygv5GOIi5OdK4uOLb4n9woWuyuETHGcRGwmnN+/ByNj2QpP7FZjD2TSym5BZODW3 CLXPRInESF51j+iSWisx6oqmkTUXmPfudB2kI94fCohuviQoLCDQpDkx+FBxcd9kyK87 k7xc+VLr/BEeqGh7XmJou0qElK7q4w6NBiIrLauXZDLDnByevYsXHaWseXEBQRYaylln xe+Q== X-Gm-Message-State: AOAM532fYtbrXuLv7jXdejA8iBl97iRix/WCe2UpLk1zCjivRGoR0Q8F 9yRyae8LAYeSYs1sDRY9oCCV37QemW2wT8aBUZxwun4F X-Google-Smtp-Source: ABdhPJwn7V1qwBAj85sTAyNWplpwhIdVJCpaVbAzfVjQJCPp1OCw+HkFvcerr/q5+i2MNKDnQNiL+F7PkK6iIAdQt6Q= X-Received: by 2002:a6b:39d7:: with SMTP id g206mr21513484ioa.31.1591614245201; Mon, 08 Jun 2020 04:04:05 -0700 (PDT) MIME-Version: 1.0 From: Francesco Date: Mon, 8 Jun 2020 13:03:53 +0200 Message-ID: To: dev@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-dev] very high VIRT memory usage 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" Hi all, I upgraded an old DPDK-based app which was using DPDK 17.11 to latest DPDK 20.05 and I noticed that if I look at "top" I see that the VIRT memory taken by my application is now 256.1GB while before it was <1GB. I've seen this same behavior with also "testpmd" example... is this a known issue with latest DPDK versions? Can I tweak some setting to have VIRT memory usage more or less similar to RSS ? I forgot to add I'm working on Linux, Centos7 Thanks, Francesco Montorsi