From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932461AbbCEKsp (ORCPT ); Thu, 5 Mar 2015 05:48:45 -0500 Received: from mail.skyhub.de ([78.46.96.112]:33568 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755130AbbCEKsn (ORCPT ); Thu, 5 Mar 2015 05:48:43 -0500 Date: Thu, 5 Mar 2015 11:47:28 +0100 From: Borislav Petkov To: Ingo Molnar Cc: Arnaldo Carvalho de Melo , Jiri Olsa , Peter Zijlstra , linux-kernel@vger.kernel.org Subject: Re: [PATCH] perf/tui: Change default selection background color to yellow Message-ID: <20150305104728.GF3915@pd.tnic> References: <20150305103213.GA23046@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20150305103213.GA23046@gmail.com> 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 Thu, Mar 05, 2015 at 11:32:13AM +0100, Ingo Molnar wrote: > > Boris reported that 'perf top' is unusable on his default 'black on > white' terminal, which uses (eye friendly) light-grey as a background > color. > > The reason is that the TUI cursor for the current selection line uses > HE_COLORSET_SELECTED, and that has a default background color of > 'lightgrey' - which is a common terminal background choice and thus > the colors conflict. > > Use yellow as the background color instead: that should be an uncommon > terminal background, yet it's still ergonomic on both black and > white/grey terminals. > > [ It would be a better solution to straight out detect color > collisions and resolve them reasonably by converting them to RGB and > calculating color space distances, but I was unable to find > proper documentation for SLtt_get_color_object() to recover the > current color scheme so I gave up ... Yellow works well enough. ] > > Reported-by: Borislav Petkov -and-tested-by: Boris Thanks. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --