From: Wu Fengguang <wfg@mail.ustc.edu.cn>
To: linux-kernel@vger.kernel.org
Cc: Andrew Morton <akpm@osdl.org>,
Christoph Lameter <christoph@lameter.com>,
Rik van Riel <riel@redhat.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Wu Fengguang <wfg@mail.ustc.edu.cn>
Subject: [PATCH 16/16] mm: kswapd reclaim debug trace
Date: Wed, 07 Dec 2005 18:48:11 +0800 [thread overview]
Message-ID: <20051207105256.874507000@localhost.localdomain> (raw)
In-Reply-To: 20051207104755.177435000@localhost.localdomain
[-- Attachment #1: mm-kswapd-reclaim-debug-trace.patch --]
[-- Type: text/plain, Size: 752 bytes --]
Debug trace for kswapd reclaim.
Signed-off-by: Wu Fengguang <wfg@mail.ustc.edu.cn>
---
mm/vmscan.c | 11 +++++++++++
1 files changed, 11 insertions(+)
--- linux.orig/mm/vmscan.c
+++ linux/mm/vmscan.c
@@ -1450,6 +1450,17 @@ loop_again:
if (nr_pages) /* software suspend */
goto scan_swspd;
+ if (debug_page_reclaim)
+ printk(KERN_DEBUG "zone %d%d watermark %d%d age %lu prio %d\n",
+ zone_idx(prev_zone),
+ zone_idx(zone),
+ zone_watermark_ok(zone, order,
+ zone->pages_high, 0, 0),
+ zone_watermark_ok(zone, order,
+ zone->pages_high,
+ pgdat->nr_zones - 1, 0),
+ zone->page_age, priority);
+
if (zone_watermark_ok(zone, order,
zone->pages_high,
pgdat->nr_zones - 1, 0)) {
--
prev parent reply other threads:[~2005-12-07 10:27 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-07 10:47 [PATCH 00/16] Balancing the scan rate of major caches V3 Wu Fengguang
2005-12-07 10:47 ` [PATCH 01/16] mm: restore sc.nr_to_reclaim Wu Fengguang
2005-12-07 10:47 ` [PATCH 02/16] mm: simplify kswapd reclaim code Wu Fengguang
2005-12-07 10:47 ` [PATCH 03/16] mm: supporting variables and functions for balanced zone aging Wu Fengguang
2005-12-11 22:36 ` Marcelo Tosatti
2005-12-12 2:53 ` Wu Fengguang
2005-12-07 10:47 ` [PATCH 04/16] mm: balance zone aging in direct reclaim path Wu Fengguang
2005-12-07 10:48 ` [PATCH 05/16] mm: balance zone aging in kswapd " Wu Fengguang
2005-12-07 10:58 ` Wu Fengguang
2005-12-07 13:32 ` Wu Fengguang
2005-12-07 10:48 ` [PATCH 06/16] mm: balance slab aging Wu Fengguang
2005-12-07 11:08 ` Wu Fengguang
2005-12-07 11:34 ` Nick Piggin
2005-12-07 12:59 ` Wu Fengguang
2005-12-07 10:48 ` [PATCH 07/16] mm: balance active/inactive list scan rates Wu Fengguang
2005-12-07 10:48 ` [PATCH 08/16] mm: fine grained scan priority Wu Fengguang
2005-12-07 10:48 ` [PATCH 09/16] mm: remove unnecessary variable and loop Wu Fengguang
2006-01-05 19:21 ` Marcelo Tosatti
2006-01-06 8:58 ` Wu Fengguang
2005-12-07 10:48 ` [PATCH 10/16] mm: remove swap_cluster_max from scan_control Wu Fengguang
2005-12-07 10:48 ` [PATCH 11/16] mm: let sc.nr_scanned/sc.nr_reclaimed accumulate Wu Fengguang
2005-12-07 10:48 ` [PATCH 12/16] mm: fold sc.may_writepage and sc.may_swap into sc.flags Wu Fengguang
2005-12-07 10:36 ` Nick Piggin
2005-12-07 11:11 ` Wu Fengguang
2005-12-07 11:12 ` Nick Piggin
2005-12-07 13:01 ` Wu Fengguang
2005-12-07 11:15 ` Wu Fengguang
2005-12-07 17:02 ` Martin Hicks
2005-12-07 23:15 ` Andrew Morton
2005-12-07 10:48 ` [PATCH 13/16] mm: fix minor scan count bugs Wu Fengguang
2005-12-07 10:32 ` Nick Piggin
2005-12-07 11:02 ` Wu Fengguang
2005-12-07 10:48 ` [PATCH 14/16] mm: zone aging rounds accounting Wu Fengguang
2005-12-07 10:48 ` [PATCH 15/16] mm: add page reclaim debug traces Wu Fengguang
2005-12-07 10:48 ` Wu Fengguang [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20051207105256.874507000@localhost.localdomain \
--to=wfg@mail.ustc.edu.cn \
--cc=a.p.zijlstra@chello.nl \
--cc=akpm@osdl.org \
--cc=christoph@lameter.com \
--cc=linux-kernel@vger.kernel.org \
--cc=riel@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox