From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: perf top shows [unknown] Date: Sat, 05 Jan 2013 22:54:58 -0800 Message-ID: References: <20130105085225.cfe28f3dad43a2148885c2f4@lavabit.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from plane.gmane.org ([80.91.229.3]:32959 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750854Ab3AFGzW (ORCPT ); Sun, 6 Jan 2013 01:55:22 -0500 Received: from public by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Trk8m-00050N-F7 for linux-perf-users@vger.kernel.org; Sun, 06 Jan 2013 07:55:28 +0100 In-Reply-To: <20130105085225.cfe28f3dad43a2148885c2f4@lavabit.com> (rh's message of "Sat, 5 Jan 2013 08:52:25 -0800") Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: rh Cc: public-linux-perf-users-u79uwXL29TY76Z2rM5mHXA@plane.gmane.org rh writes: > How to change things so that [unknown] becomes [something known]? > > When I run perf top > I see [unknown] in the 2nd column. Am I missing a build flag? > I specified vmlinux too. > > I can't find anything else about this, how would I go about discovering > what that [unknown] is about? I often see this when I run perf top as non root. Fix: run as root. -Andi -- ak@linux.intel.com -- Speaking for myself only