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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 72438C35254 for ; Mon, 10 Feb 2020 04:43:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3100A20870 for ; Mon, 10 Feb 2020 04:43:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=netflix.com header.i=@netflix.com header.b="Or5PPChH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727008AbgBJEno (ORCPT ); Sun, 9 Feb 2020 23:43:44 -0500 Received: from mail-qk1-f196.google.com ([209.85.222.196]:41990 "EHLO mail-qk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726961AbgBJEno (ORCPT ); Sun, 9 Feb 2020 23:43:44 -0500 Received: by mail-qk1-f196.google.com with SMTP id q15so5287714qke.9 for ; Sun, 09 Feb 2020 20:43:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netflix.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=dfoBXSjIiP8bllXnjsNJlexmsGl/T8lS+3Z9r/hB9J4=; b=Or5PPChHnJb2WYfuYZQn5LcPcG+4S0oUa6CEBGa8uN7wSJTMgD83h8WvZ08To226Zh kmuWp343QTfT6s8FZjIMMAc/ejQoceVg7X/YPRp/Q1OBlL7gzQdPhk0BuX+5vFofG68j GDcd9EFzhMIZaY06JaFfNCL0zVKHbMPCK+oCA= 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; bh=dfoBXSjIiP8bllXnjsNJlexmsGl/T8lS+3Z9r/hB9J4=; b=R7qFRTwriDmRanjv4LEnks9BBVHF1/W6+7X86sXi7ob8rHNQ/Ql3DObgnb5H3jH7oR HwjBAC+iLZKWrlCwgaj7M7YL8n33l+MF8VfkEkaDfZ81JPokJ31yDrTOWxvGDrJSkhwS 8sCDfv8fseks0raTbNwXC5ZifbfsYVzHhe26ydkUkBwnbxiSKSZaDPbao+hkp/FgVwlQ 9bFw2lj5cTY7aQDQ01b63VMhXi/5ol8POAQxQTYN564/BUu+Mp99NgdNSVE52x4A34Dp HT7czFhc+MrcrZSFklouZRHfCh5u9yT9YiYP9nGAzK7nV8rz7w1LL4uvoJz7F8SWl+Ko t9sQ== X-Gm-Message-State: APjAAAWp4Eeq7mtTfk2t65biyOd50Sy5+0a4t0qgHSDqUUsL/aF+E4pq cVvfsncEQQJOL47P6gNTlzX7l2jyBZixySmpjLY6gg== X-Google-Smtp-Source: APXvYqw8dPSqQFU+D7xMcBArzOUhkZS2pJSS3gbAxOPmLzQy7t+t3RnKEOu+DRRxgzTC13CoGYNOrgikqc0vxnJJcH4= X-Received: by 2002:a05:620a:b0f:: with SMTP id t15mr8941217qkg.135.1581309823409; Sun, 09 Feb 2020 20:43:43 -0800 (PST) MIME-Version: 1.0 References: <8f6b8979fb64bedf5cb406ba29146c5fa2539267.1576575253.git.ethercflow@gmail.com> <7464919bd9c15f2496ca29dceb6a4048b3199774.1576629200.git.ethercflow@gmail.com> <51564b9e-35f0-3c73-1701-8e351f2482d7@iogearbox.net> <20200116085943.GA270346@krava> In-Reply-To: <20200116085943.GA270346@krava> From: Brendan Gregg Date: Sun, 9 Feb 2020 20:43:17 -0800 Message-ID: Subject: Re: [PATCH bpf-next v14 1/2] bpf: add new helper get_fd_path for mapping a file descriptor to a pathname To: Jiri Olsa Cc: Wenbo Zhang , Daniel Borkmann , bpf , Alexei Starovoitov , Yonghong Song , Andrii Nakryiko , Networking , Al Viro Content-Type: text/plain; charset="UTF-8" Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Thu, Jan 16, 2020 at 12:59 AM Jiri Olsa wrote: > > On Fri, Dec 20, 2019 at 11:35:08AM +0800, Wenbo Zhang wrote: > > > [ Wenbo, please keep also Al (added here) in the loop since he was providing > > > feedback on prior submissions as well wrt vfs bits. ] > > > > Get it, thank you! > > hi, > is this stuck on review? I'd like to see this merged ;-) Is this still waiting on someone? I'm writing some docs on analyzing file systems via syscall tracing and this will be a big improvement. Thanks, Brendan > > we have bpftrace change using it already.. from that side: > > Tested-by: Jiri Olsa > > thanks, > jirka > -- Brendan Gregg, Senior Performance Architect, Netflix