All of lore.kernel.org
 help / color / mirror / Atom feed
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)) {

--

      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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.