From: Lee Schermerhorn <lee.schermerhorn@hp.com>
To: linux-kernel@vger.kernel.org
Cc: Kosaki Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Eric Whitney <eric.whitney@hp.com>,
linux-mm@kvack.org, Nick Piggin <npiggin@suse.de>,
Rik van Riel <riel@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH 14/25] Noreclaim LRU Page Statistics
Date: Thu, 29 May 2008 15:50:43 -0400 [thread overview]
Message-ID: <20080529195043.27159.89057.sendpatchset@lts-notebook> (raw)
In-Reply-To: <20080529195030.27159.66161.sendpatchset@lts-notebook>
From: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Report non-reclaimable pages per zone and system wide.
Kosaki Motohiro added support for memory controller noreclaim
statistics.
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
drivers/base/node.c | 6 ++++++
fs/proc/proc_misc.c | 6 ++++++
mm/memcontrol.c | 6 ++++++
mm/page_alloc.c | 16 +++++++++++++++-
mm/vmstat.c | 3 +++
5 files changed, 36 insertions(+), 1 deletion(-)
Index: linux-2.6.26-rc2-mm1/mm/page_alloc.c
===================================================================
--- linux-2.6.26-rc2-mm1.orig/mm/page_alloc.c 2008-05-28 10:39:23.000000000 -0400
+++ linux-2.6.26-rc2-mm1/mm/page_alloc.c 2008-05-28 10:42:52.000000000 -0400
@@ -1918,12 +1918,20 @@ void show_free_areas(void)
}
printk("Active_anon:%lu active_file:%lu inactive_anon%lu\n"
- " inactive_file:%lu dirty:%lu writeback:%lu unstable:%lu\n"
+ " inactive_file:%lu"
+//TODO: check/adjust line lengths
+#ifdef CONFIG_NORECLAIM_LRU
+ " noreclaim:%lu"
+#endif
+ " dirty:%lu writeback:%lu unstable:%lu\n"
" free:%lu slab:%lu mapped:%lu pagetables:%lu bounce:%lu\n",
global_page_state(NR_ACTIVE_ANON),
global_page_state(NR_ACTIVE_FILE),
global_page_state(NR_INACTIVE_ANON),
global_page_state(NR_INACTIVE_FILE),
+#ifdef CONFIG_NORECLAIM_LRU
+ global_page_state(NR_NORECLAIM),
+#endif
global_page_state(NR_FILE_DIRTY),
global_page_state(NR_WRITEBACK),
global_page_state(NR_UNSTABLE_NFS),
@@ -1950,6 +1958,9 @@ void show_free_areas(void)
" inactive_anon:%lukB"
" active_file:%lukB"
" inactive_file:%lukB"
+#ifdef CONFIG_NORECLAIM_LRU
+ " noreclaim:%lukB"
+#endif
" present:%lukB"
" pages_scanned:%lu"
" all_unreclaimable? %s"
@@ -1963,6 +1974,9 @@ void show_free_areas(void)
K(zone_page_state(zone, NR_INACTIVE_ANON)),
K(zone_page_state(zone, NR_ACTIVE_FILE)),
K(zone_page_state(zone, NR_INACTIVE_FILE)),
+#ifdef CONFIG_NORECLAIM_LRU
+ K(zone_page_state(zone, NR_NORECLAIM)),
+#endif
K(zone->present_pages),
zone->pages_scanned,
(zone_is_all_unreclaimable(zone) ? "yes" : "no")
Index: linux-2.6.26-rc2-mm1/mm/vmstat.c
===================================================================
--- linux-2.6.26-rc2-mm1.orig/mm/vmstat.c 2008-05-28 10:37:46.000000000 -0400
+++ linux-2.6.26-rc2-mm1/mm/vmstat.c 2008-05-28 10:42:52.000000000 -0400
@@ -699,6 +699,9 @@ static const char * const vmstat_text[]
"nr_active_anon",
"nr_inactive_file",
"nr_active_file",
+#ifdef CONFIG_NORECLAIM_LRU
+ "nr_noreclaim",
+#endif
"nr_anon_pages",
"nr_mapped",
"nr_file_pages",
Index: linux-2.6.26-rc2-mm1/drivers/base/node.c
===================================================================
--- linux-2.6.26-rc2-mm1.orig/drivers/base/node.c 2008-05-28 10:37:46.000000000 -0400
+++ linux-2.6.26-rc2-mm1/drivers/base/node.c 2008-05-28 10:42:52.000000000 -0400
@@ -67,6 +67,9 @@ static ssize_t node_read_meminfo(struct
"Node %d Inactive(anon): %8lu kB\n"
"Node %d Active(file): %8lu kB\n"
"Node %d Inactive(file): %8lu kB\n"
+#ifdef CONFIG_NORECLAIM_LRU
+ "Node %d Noreclaim: %8lu kB\n"
+#endif
#ifdef CONFIG_HIGHMEM
"Node %d HighTotal: %8lu kB\n"
"Node %d HighFree: %8lu kB\n"
@@ -96,6 +99,9 @@ static ssize_t node_read_meminfo(struct
nid, node_page_state(nid, NR_INACTIVE_ANON),
nid, node_page_state(nid, NR_ACTIVE_FILE),
nid, node_page_state(nid, NR_INACTIVE_FILE),
+#ifdef CONFIG_NORECLAIM_LRU
+ nid, node_page_state(nid, NR_NORECLAIM),
+#endif
#ifdef CONFIG_HIGHMEM
nid, K(i.totalhigh),
nid, K(i.freehigh),
Index: linux-2.6.26-rc2-mm1/fs/proc/proc_misc.c
===================================================================
--- linux-2.6.26-rc2-mm1.orig/fs/proc/proc_misc.c 2008-05-28 10:37:46.000000000 -0400
+++ linux-2.6.26-rc2-mm1/fs/proc/proc_misc.c 2008-05-28 10:42:52.000000000 -0400
@@ -174,6 +174,9 @@ static int meminfo_read_proc(char *page,
"Inactive(anon): %8lu kB\n"
"Active(file): %8lu kB\n"
"Inactive(file): %8lu kB\n"
+#ifdef CONFIG_NORECLAIM_LRU
+ "Noreclaim: %8lu kB\n"
+#endif
#ifdef CONFIG_HIGHMEM
"HighTotal: %8lu kB\n"
"HighFree: %8lu kB\n"
@@ -209,6 +212,9 @@ static int meminfo_read_proc(char *page,
K(inactive_anon),
K(active_file),
K(inactive_file),
+#ifdef CONFIG_NORECLAIM_LRU
+ K(global_page_state(NR_NORECLAIM)),
+#endif
#ifdef CONFIG_HIGHMEM
K(i.totalhigh),
K(i.freehigh),
Index: linux-2.6.26-rc2-mm1/mm/memcontrol.c
===================================================================
--- linux-2.6.26-rc2-mm1.orig/mm/memcontrol.c 2008-05-28 10:43:06.000000000 -0400
+++ linux-2.6.26-rc2-mm1/mm/memcontrol.c 2008-05-28 10:43:23.000000000 -0400
@@ -905,6 +905,7 @@ static int mem_control_stat_show(struct
{
unsigned long active_anon, inactive_anon;
unsigned long active_file, inactive_file;
+ unsigned long noreclaim;
inactive_anon = mem_cgroup_get_all_zonestat(mem_cont,
LRU_INACTIVE_ANON);
@@ -914,10 +915,15 @@ static int mem_control_stat_show(struct
LRU_INACTIVE_FILE);
active_file = mem_cgroup_get_all_zonestat(mem_cont,
LRU_ACTIVE_FILE);
+ noreclaim = mem_cgroup_get_all_zonestat(mem_cont,
+ LRU_NORECLAIM);
+
cb->fill(cb, "active_anon", (active_anon) * PAGE_SIZE);
cb->fill(cb, "inactive_anon", (inactive_anon) * PAGE_SIZE);
cb->fill(cb, "active_file", (active_file) * PAGE_SIZE);
cb->fill(cb, "inactive_file", (inactive_file) * PAGE_SIZE);
+ cb->fill(cb, "noreclaim", noreclaim * PAGE_SIZE);
+
}
return 0;
}
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next prev parent reply other threads:[~2008-05-29 19:50 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-29 19:50 [PATCH 00/25] Vm Pageout Scalability Improvements (V8) - continued Lee Schermerhorn
2008-05-29 19:50 ` [PATCH 13/25] Noreclaim LRU Infrastructure Lee Schermerhorn
2008-05-29 19:50 ` Lee Schermerhorn [this message]
2008-05-29 19:50 ` [PATCH 15/25] Ramfs and Ram Disk pages are non-reclaimable Lee Schermerhorn
2008-05-29 19:50 ` [PATCH 16/25] SHM_LOCKED " Lee Schermerhorn, Lee Schermerhorn
2008-05-29 19:51 ` [PATCH 17/25] Mlocked Pages " Lee Schermerhorn
2008-05-29 19:51 ` [PATCH 18/25] Downgrade mmap sem while populating mlocked regions Lee Schermerhorn, Lee Schermerhorn
2008-05-29 19:51 ` [PATCH 19/25] Handle mlocked pages during map, remap, unmap Lee Schermerhorn
2008-05-29 19:51 ` [PATCH 20/25] Mlocked Pages statistics Lee Schermerhorn, Nick Piggin
2008-05-29 19:51 ` [PATCH 21/25] Cull non-reclaimable pages in fault path Lee Schermerhorn, Lee Schermerhorn
2008-05-29 19:51 ` [PATCH 22/25] Noreclaim and Mlocked pages vm events Lee Schermerhorn, Lee Schermerhorn
2008-05-29 19:51 ` [PATCH 23/25] Noreclaim LRU scan sysctl Lee Schermerhorn, Lee Schermerhorn
2008-05-29 19:51 ` [PATCH 24/25] Mlocked Pages: count attempts to free mlocked page Lee Schermerhorn
2008-05-29 19:51 ` [PATCH 25/25] Noreclaim LRU and Mlocked Pages Documentation Lee Schermerhorn
2008-05-29 20:16 ` [PATCH 00/25] Vm Pageout Scalability Improvements (V8) - continued Andrew Morton
2008-05-29 20:20 ` Rik van Riel
2008-05-30 1:56 ` MinChan Kim
2008-05-30 13:52 ` John Stoffel
2008-05-30 14:29 ` Rik van Riel
2008-05-30 14:36 ` John Stoffel
2008-05-30 15:27 ` Rik van Riel
2008-05-30 9:27 ` KOSAKI Motohiro
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