Messages in this thread Patch in this message | | | From | KOSAKI Motohiro <> | Subject | [PATCH 1/5] add per-zone statistics to show_free_areas() | Date | Sun, 5 Jul 2009 18:23:35 +0900 (JST) |
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Subject: [PATCH] add per-zone statistics to show_free_areas()
Currently, show_free_area() mainly display system memory usage. but it doesn't display per-zone memory usage information.
However, if DMA zone OOM occur, Administrator definitely need to know per-zone memory usage information.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> --- mm/page_alloc.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
Index: b/mm/page_alloc.c =================================================================== --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2151,6 +2151,16 @@ void show_free_areas(void) " inactive_file:%lukB" " unevictable:%lukB" " present:%lukB" + " mlocked:%lukB" + " dirty:%lukB" + " writeback:%lukB" + " mapped:%lukB" + " slab_reclaimable:%lukB" + " slab_unreclaimable:%lukB" + " pagetables:%lukB" + " unstable:%lukB" + " bounce:%lukB" + " writeback_tmp:%lukB" " pages_scanned:%lu" " all_unreclaimable? %s" "\n", @@ -2165,6 +2175,16 @@ void show_free_areas(void) K(zone_page_state(zone, NR_INACTIVE_FILE)), K(zone_page_state(zone, NR_UNEVICTABLE)), K(zone->present_pages), + K(zone_page_state(zone, NR_MLOCK)), + K(zone_page_state(zone, NR_FILE_DIRTY)), + K(zone_page_state(zone, NR_WRITEBACK)), + K(zone_page_state(zone, NR_FILE_MAPPED)), + K(zone_page_state(zone, NR_SLAB_RECLAIMABLE)), + K(zone_page_state(zone, NR_SLAB_UNRECLAIMABLE)), + K(zone_page_state(zone, NR_PAGETABLE)), + K(zone_page_state(zone, NR_UNSTABLE_NFS)), + K(zone_page_state(zone, NR_BOUNCE)), + K(zone_page_state(zone, NR_WRITEBACK_TEMP)), zone->pages_scanned, (zone_is_all_unreclaimable(zone) ? "yes" : "no") );
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