diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-03 16:42:33 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-05 23:24:20 -0500 |
| commit | c72e4d7a30670b59dcf32fb79b2c814a09171912 (patch) | |
| tree | 82604fceee268f0348f1ad603d8fec05a1a6fe10 /fs/bcachefs | |
| parent | b819f30855a67a82fab9e93828e672f266f20992 (diff) | |
bcachefs: add time_stats for btree_node_read_done()
Seeing weird latency issues in the btree node read path - add one
bch2_btree_node_read_done().
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs')
| -rw-r--r-- | fs/bcachefs/bcachefs.h | 1 | ||||
| -rw-r--r-- | fs/bcachefs/btree_io.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h index c7ed097e41a7..dac383e37181 100644 --- a/fs/bcachefs/bcachefs.h +++ b/fs/bcachefs/bcachefs.h @@ -425,6 +425,7 @@ BCH_DEBUG_PARAMS_DEBUG() x(btree_node_merge) \ x(btree_node_sort) \ x(btree_node_read) \ + x(btree_node_read_done) \ x(btree_interior_update_foreground) \ x(btree_interior_update_total) \ x(btree_gc) \ diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c index 38d27cae49ea..cf5089cc358e 100644 --- a/fs/bcachefs/btree_io.c +++ b/fs/bcachefs/btree_io.c @@ -942,6 +942,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca, unsigned ptr_written = btree_ptr_sectors_written(&b->key); struct printbuf buf = PRINTBUF; int ret = 0, retry_read = 0, write = READ; + u64 start_time = local_clock(); b->version_ondisk = U16_MAX; /* We might get called multiple times on read retry: */ @@ -1209,6 +1210,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca, out: mempool_free(iter, &c->fill_iter); printbuf_exit(&buf); + bch2_time_stats_update(&c->times[BCH_TIME_btree_node_read_done], start_time); return retry_read; fsck_err: if (ret == -BCH_ERR_btree_node_read_err_want_retry || |