From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754115AbaGUJIL (ORCPT ); Mon, 21 Jul 2014 05:08:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43928 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753965AbaGUJIJ (ORCPT ); Mon, 21 Jul 2014 05:08:09 -0400 Date: Mon, 21 Jul 2014 11:07:55 +0200 From: Jiri Olsa To: Namhyung Kim Cc: Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Paul Mackerras , Namhyung Kim , LKML Subject: Re: [PATCHSET 0/6] perf tools: Honor column width setting Message-ID: <20140721090755.GA8865@krava.redhat.com> References: <1404883694-5342-1-git-send-email-namhyung@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1404883694-5342-1-git-send-email-namhyung@kernel.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 09, 2014 at 02:28:08PM +0900, Namhyung Kim wrote: > Hello, > > This patchset is to control perf report/top output column width by > -w/--column-widths option so that it can fit into the terminal size. > The -w option is there for perf report but it ignored by recent output > field changed due to some reason. This patchset fixes it and supports > perf top also. > > This is sometimes useful if your terminal is small and there's some > C++ applications which have amazingly long symbol names. Without this > patchset user might not see those symbols on TUI, since it maps > left/right arrow keys to other functions. > > The -w option sets column width starting from the first column > (overhead or optional overhead_children column unless -F option is > given). It doesn't make sense to limit those overhead columns so it's > not a hard-limit for them. But it *is* a hard-limit for other columns > such as comm, dso, symbol, and so on. One can use 0 not to > limit/force a width for those columns. hi, I've got broken TUI output for "perf report --group" Samples: 17 of event 'anon group { cycles, instructions }', Event count (approx.): 9145256 56.44% 31.59% ls libc-2.17.so [.] __strcoll_l 39.94% 0.00% ls ld-2.17.so [.] _dl_new_object 3.48% 0.00% ls [kernel.kallsyms] [k] setup_arg_pages 0.14% 0.33% ls [kernel.kallsyms] [k] native_write_msr_safe 0.00% 30.17% ls [kernel.kallsyms] [k] security_inode_permission 0.00% 29.78% ls ls [.] indent 0.00% 8.12% ls [kernel.kallsyms] [k] __slab_alloc I have 'show-headers' set to false in ~/.perfconfig and the output got fixed after displaying headers by pressing 'H' jirka