lkml.org 
[lkml]   [2015]   [Jan]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[f2fs-dev][PATCH] f2fs: fix wrong memory footprint statistics in debugfs
Date
Our value of memory footprint statistics showed in debugfs is not calculated
correctly. Fix it in this patch.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
---
fs/f2fs/debug.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index dd7835b..6aeaf46 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -125,7 +125,7 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
int i;

if (si->base_mem)
- goto get_cache;
+ goto get_dynamic_cache;

si->base_mem = sizeof(struct f2fs_sb_info) + sbi->sb->s_blocksize;
si->base_mem += 2 * sizeof(struct f2fs_inode_info);
@@ -161,13 +161,18 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
si->base_mem += sizeof(struct f2fs_nm_info);
si->base_mem += __bitmap_size(sbi, NAT_BITMAP);

+get_dynamic_cache:
/* build gc */
- si->base_mem += sizeof(struct f2fs_gc_kthread);
+ if (sbi->gc_thread)
+ si->base_mem += sizeof(struct f2fs_gc_kthread);
+
+ /* build merge flush thread */
+ if (SM_I(sbi)->cmd_control_info)
+ si->base_mem += sizeof(struct flush_cmd_control);

-get_cache:
/* free nids */
- si->cache_mem = NM_I(sbi)->fcnt;
- si->cache_mem += NM_I(sbi)->nat_cnt;
+ si->cache_mem = NM_I(sbi)->fcnt * sizeof(struct free_nid);
+ si->cache_mem += NM_I(sbi)->nat_cnt * sizeof(struct nat_entry);
npages = NODE_MAPPING(sbi)->nrpages;
si->cache_mem += npages << PAGE_CACHE_SHIFT;
npages = META_MAPPING(sbi)->nrpages;
--
2.2.1



\
 
 \ /
  Last update: 2015-01-06 10:01    [W:1.036 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site