Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763382AbXLMQUx (ORCPT ); Thu, 13 Dec 2007 11:20:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762802AbXLMQTH (ORCPT ); Thu, 13 Dec 2007 11:19:07 -0500 Received: from mx1.redhat.com ([66.187.233.31]:44898 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756371AbXLMQTF (ORCPT ); Thu, 13 Dec 2007 11:19:05 -0500 Message-ID: <47615B3C.6030404@redhat.com> Date: Thu, 13 Dec 2007 17:18:04 +0100 From: Jerome Marchand User-Agent: Thunderbird 1.5.0.9 (X11/20070105) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: axboe@kernel.dk Subject: [Patch 7/8] Enhanced partition statistics: procfs Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1853 Lines: 49 Reports enhanced partition statistics in /proc/diskstats. Signed-off-by: Jerome Marchand --- genhd.c | 27 +++++++++++++++++++++------ 1 file changed, 21 insertions(+), 6 deletions(-) diff -urNp -X linux-2.6/Documentation/dontdiff linux-2.6.orig/block/genhd.c linux-2.6/block/genhd.c --- linux-2.6.orig/block/genhd.c 2007-12-04 17:37:31.000000000 +0100 +++ linux-2.6/block/genhd.c 2007-12-05 13:52:55.000000000 +0100 @@ -655,12 +655,27 @@ static int diskstats_show(struct seq_fil for (n = 0; n < gp->minors - 1; n++) { struct hd_struct *hd = gp->part[n]; - if (hd && hd->nr_sects) - seq_printf(s, "%4d %4d %s %u %u %u %u\n", - gp->major, n + gp->first_minor + 1, - disk_name(gp, n + 1, buf), - hd->ios[0], hd->sectors[0], - hd->ios[1], hd->sectors[1]); + if (!hd || !hd->nr_sects) continue; + + preempt_disable(); + part_round_stats(hd); + preempt_enable(); + seq_printf(s, "%4d %4d %s %lu %lu %llu " + "%u %lu %lu %llu %u %u %u %u\n", + gp->major, n + gp->first_minor + 1, + disk_name(gp, n + 1, buf), + part_stat_read(hd, ios[0]), + part_stat_read(hd, merges[0]), + (unsigned long long)part_stat_read(hd, sectors[0]), + jiffies_to_msecs(part_stat_read(hd, ticks[0])), + part_stat_read(hd, ios[1]), + part_stat_read(hd, merges[1]), + (unsigned long long)part_stat_read(hd, sectors[1]), + jiffies_to_msecs(part_stat_read(hd, ticks[1])), + hd->in_flight, + jiffies_to_msecs(part_stat_read(hd, io_ticks)), + jiffies_to_msecs(part_stat_read(hd, time_in_queue)) + ); } return 0; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/