From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751677AbaJAPbP (ORCPT ); Wed, 1 Oct 2014 11:31:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:54436 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751283AbaJAPbO (ORCPT ); Wed, 1 Oct 2014 11:31:14 -0400 Date: Wed, 1 Oct 2014 16:39:58 +0100 From: Alexander Gordeev To: Tejun Heo Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: [PATCH RESEND v3 5/6] AHCI: Optimize single IRQ interrupt processing Message-ID: <20141001153958.GF8971@agordeev.usersys.redhat.com> References: <20140923205710.GB17332@mtj.dyndns.org> <20140924104213.GA2695@agordeev.usersys.redhat.com> <20140924130444.GA16555@htj.dyndns.org> <20140924140844.GB2695@agordeev.usersys.redhat.com> <20140924143913.GH16555@htj.dyndns.org> <20141001153114.GE8971@agordeev.usersys.redhat.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="C7zPtVaVf+AK4Oqc" Content-Disposition: inline In-Reply-To: <20141001153114.GE8971@agordeev.usersys.redhat.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 --C7zPtVaVf+AK4Oqc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Oct 01, 2014 at 04:31:14PM +0100, Alexander Gordeev wrote: > I am attaching excerpts from some new perf tests I have done (this Attaching :) -- Regards, Alexander Gordeev agordeev@redhat.com --C7zPtVaVf+AK4Oqc Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="perf.hist.0-3.16.0.txt" 0.04% dd [kernel.kallsyms] [k] ata_std_qc_defer 0.04% dd [kernel.kallsyms] [k] ata_scsi_rw_xlat 0.03% dd [kernel.kallsyms] [k] ata_scsi_queuecmd 0.03% dd [kernel.kallsyms] [k] __ata_scsi_find_dev 0.02% dd [kernel.kallsyms] [k] ata_scsi_translate 0.02% dd [kernel.kallsyms] [k] ata_qc_new_init 0.02% dd [kernel.kallsyms] [k] ata_scsi_qc_complete 0.02% dd [kernel.kallsyms] [k] ata_build_rw_tf 0.01% dd [kernel.kallsyms] [k] ata_qc_issue 0.01% dd [kernel.kallsyms] [k] ata_sg_init 0.00% dd [kernel.kallsyms] [k] ata_tf_to_fis 0.00% dd [kernel.kallsyms] [k] ata_qc_complete_multiple 0.00% dd [kernel.kallsyms] [k] __ata_qc_complete 0.00% dd [kernel.kallsyms] [k] ata_qc_complete 0.00% dd [kernel.kallsyms] [k] ata_scsi_find_dev 0.00% dd [kernel.kallsyms] [k] ata_qc_free 0.04% dd [kernel.kallsyms] [k] ahci_interrupt 0.02% dd [kernel.kallsyms] [k] ahci_qc_issue 0.02% dd [kernel.kallsyms] [k] ahci_qc_prep 0.02% dd [kernel.kallsyms] [k] ahci_scr_read 0.01% dd [kernel.kallsyms] [k] ahci_handle_port_interrupt 0.01% dd [kernel.kallsyms] [k] ahci_pmp_qc_defer 0.00% dd [kernel.kallsyms] [k] ahci_scr_write --C7zPtVaVf+AK4Oqc Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="perf.hist.0-3.16.0.opt-intr.txt" 0.04% dd [kernel.kallsyms] [k] ata_scsi_queuecmd 0.03% dd [kernel.kallsyms] [k] ata_scsi_rw_xlat 0.03% dd [kernel.kallsyms] [k] ata_scsi_translate 0.03% dd [kernel.kallsyms] [k] ata_qc_new_init 0.02% dd [kernel.kallsyms] [k] ata_build_rw_tf 0.02% dd [kernel.kallsyms] [k] ata_qc_issue 0.01% dd [kernel.kallsyms] [k] ata_sg_init 0.01% dd [kernel.kallsyms] [k] ata_std_qc_defer 0.01% dd [kernel.kallsyms] [k] ata_tf_to_fis 0.00% dd [kernel.kallsyms] [k] ata_scsi_find_dev 0.00% dd [kernel.kallsyms] [k] __ata_scsi_find_dev 0.02% dd [kernel.kallsyms] [k] ahci_qc_prep 0.02% dd [kernel.kallsyms] [k] ahci_qc_issue 0.01% dd [kernel.kallsyms] [k] ahci_pmp_qc_defer --C7zPtVaVf+AK4Oqc--