From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luiz Capitulino Subject: Re: [PATCH v2] sched/completion: convert completions to use simple wait queues Date: Mon, 16 May 2016 16:38:09 -0400 Message-ID: <20160516163809.7bac1d54@redhat.com> References: <1461848244-16469-1-git-send-email-wagi@monom.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, "Peter Zijlstra (Intel)" , Thomas Gleixner , Sebastian Andrzej Siewior , Daniel Wagner To: Daniel Wagner Return-path: Received: from mx1.redhat.com ([209.132.183.28]:49665 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753856AbcEPUiM (ORCPT ); Mon, 16 May 2016 16:38:12 -0400 In-Reply-To: Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Thu, 12 May 2016 16:08:34 +0200 Daniel Wagner wrote: > In short, I haven't figured out yet why the kernel builds get slightly slower. You're doing make -j 200, right? How many cores do you have? Couldn't it be that you're saturating your CPUs? You could try make -j, or some process creation benchmark. Although I don't know what's the best way to measure this.