diff options
| author | Daeho Jeong <daehojeong@google.com> | 2021-07-09 22:53:57 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2021-07-13 16:09:55 -0700 |
| commit | 07c6b5933ebf58b6132aea9f3e72a62486882bfb (patch) | |
| tree | 4984e5c30b95c1fbe4916874677f4ba063e08c6b /fs/f2fs/debug.c | |
| parent | e73f0f0ee7541171d89f2e2491130c7771ba58d3 (diff) | |
f2fs: add sysfs nodes to get GC info for each GC mode
Added gc_reclaimed_segments and gc_segment_mode sysfs nodes.
1) "gc_reclaimed_segments" shows how many segments have been
reclaimed by GC during a specific GC mode.
2) "gc_segment_mode" is used to control for which gc mode
the "gc_reclaimed_segments" node shows.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/debug.c')
| -rw-r--r-- | fs/f2fs/debug.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 833325038ef3..53ed1e9191f0 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -450,6 +450,15 @@ static int stat_show(struct seq_file *s, void *v) si->data_segs, si->bg_data_segs); seq_printf(s, " - node segments : %d (%d)\n", si->node_segs, si->bg_node_segs); + seq_printf(s, " - Reclaimed segs : Normal (%d), Idle CB (%d), " + "Idle Greedy (%d), Idle AT (%d), " + "Urgent High (%d), Urgent Low (%d)\n", + si->sbi->gc_reclaimed_segs[GC_NORMAL], + si->sbi->gc_reclaimed_segs[GC_IDLE_CB], + si->sbi->gc_reclaimed_segs[GC_IDLE_GREEDY], + si->sbi->gc_reclaimed_segs[GC_IDLE_AT], + si->sbi->gc_reclaimed_segs[GC_URGENT_HIGH], + si->sbi->gc_reclaimed_segs[GC_URGENT_LOW]); seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks, si->bg_data_blks + si->bg_node_blks); seq_printf(s, " - data blocks : %d (%d)\n", si->data_blks, |