From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f50.google.com (mail-pa0-f50.google.com [209.85.220.50]) by kanga.kvack.org (Postfix) with ESMTP id 815856B0038 for ; Wed, 7 Oct 2015 12:06:56 -0400 (EDT) Received: by padhy16 with SMTP id hy16so25378323pad.1 for ; Wed, 07 Oct 2015 09:06:56 -0700 (PDT) Received: from mga14.intel.com (mga14.intel.com. [192.55.52.115]) by mx.google.com with ESMTP id qp7si58800410pbc.93.2015.10.07.09.06.55 for ; Wed, 07 Oct 2015 09:06:55 -0700 (PDT) Date: Wed, 7 Oct 2015 09:06:52 -0700 From: Andi Kleen Subject: Re: [MM PATCH V4.1 5/6] slub: support for bulk free with SLUB freelists Message-ID: <20151007160652.GK26924@tassilo.jf.intel.com> References: <560ABE86.9050508@gmail.com> <20150930114255.13505.2618.stgit@canyon> <20151001151015.c59a1360c7720a257f655578@linux-foundation.org> <20151002114118.75aae2f9@redhat.com> <20151002154039.69f82bdc@redhat.com> <20151002145044.781c911ea98e3ea74ae5cf3b@linux-foundation.org> <20151005212639.35932b6c@redhat.com> <20151005212045.GG26924@tassilo.jf.intel.com> <20151006010703.09e2f0ff@redhat.com> <20151007143120.7068416d@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151007143120.7068416d@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Jesper Dangaard Brouer Cc: linux-mm@kvack.org, netdev@vger.kernel.org, Arnaldo Carvalho de Melo > My specific CPU (i7-4790K @ 4.00GHz) unfortunately seems to have > limited "Frontend" support. E.g. > > # perf record -g -a -e stalled-cycles-frontend > Error: > The stalled-cycles-frontend event is not supported. > > And AFAIK icache misses are part of "frontend". Ignore stalled-cycles-frontend. It is very unreliable and has never worked right. toplev gives you much more reliable output. -Andi -- ak@linux.intel.com -- Speaking for myself only -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org