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f2fs: show extent tree, node stat info in debugfs
This patch add and show stat info of total memory footprint for extent tree,node in debugfs. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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@ -35,6 +35,8 @@ static void update_general_status(struct f2fs_sb_info *sbi)
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/* validation check of the segment numbers */
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si->hit_ext = sbi->read_hit_ext;
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si->total_ext = sbi->total_hit_ext;
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si->ext_tree = sbi->total_ext_tree;
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si->ext_node = atomic_read(&sbi->total_ext_node);
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si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES);
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si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS);
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si->ndirty_dirs = sbi->n_dirty_dirs;
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@ -185,6 +187,9 @@ get_cache:
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si->cache_mem += sbi->n_dirty_dirs * sizeof(struct inode_entry);
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for (i = 0; i <= UPDATE_INO; i++)
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si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry);
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si->cache_mem += sbi->total_ext_tree * sizeof(struct extent_tree);
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si->cache_mem += atomic_read(&sbi->total_ext_node) *
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sizeof(struct extent_node);
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si->page_mem = 0;
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npages = NODE_MAPPING(sbi)->nrpages;
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@ -267,6 +272,8 @@ static int stat_show(struct seq_file *s, void *v)
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seq_printf(s, " - node blocks : %d\n", si->node_blks);
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seq_printf(s, "\nExtent Hit Ratio: %d / %d\n",
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si->hit_ext, si->total_ext);
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seq_printf(s, "\nExtent Tree Count: %d\n", si->ext_tree);
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seq_printf(s, "\nExtent Node Count: %d\n", si->ext_node);
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seq_puts(s, "\nBalancing F2FS Async:\n");
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seq_printf(s, " - inmem: %4d, wb: %4d\n",
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si->inmem_pages, si->wb_pages);
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@ -1607,7 +1607,7 @@ struct f2fs_stat_info {
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struct f2fs_sb_info *sbi;
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int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
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int main_area_segs, main_area_sections, main_area_zones;
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int hit_ext, total_ext;
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int hit_ext, total_ext, ext_tree, ext_node;
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int ndirty_node, ndirty_dent, ndirty_dirs, ndirty_meta;
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int nats, dirty_nats, sits, dirty_sits, fnids;
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int total_count, utilization;
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