From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754776AbaHAPUG (ORCPT ); Fri, 1 Aug 2014 11:20:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:11413 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754084AbaHAPUD (ORCPT ); Fri, 1 Aug 2014 11:20:03 -0400 Date: Fri, 1 Aug 2014 17:19:20 +0200 From: Jiri Olsa To: Peter Zijlstra Cc: Jiri Olsa , linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , Corey Ashford , Frederic Weisbecker , Mark Rutland , Paul Mackerras Subject: Re: [PATCH 1/3] perf: Do not allow to create kernel events without handler Message-ID: <20140801151920.GA1186@krava.brq.redhat.com> References: <1406896382-18404-1-git-send-email-jolsa@kernel.org> <1406896382-18404-2-git-send-email-jolsa@kernel.org> <20140801145637.GB9918@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140801145637.GB9918@twins.programming.kicks-ass.net> 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 Fri, Aug 01, 2014 at 04:56:37PM +0200, Peter Zijlstra wrote: > On Fri, Aug 01, 2014 at 02:33:00PM +0200, Jiri Olsa wrote: > > Force kernel events to specify the handler, because > > there's no use for kernel perf event without it. > > > > I think I found a reason; although there is currently no such user, the > simple counting events, they don't have overflow handlers at all. ah right.. ok jirka