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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2025-06-12 18:26:48 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2025-06-15 22:11:55 -0400 |
| commit | 0f4dd2ce352d38c7ecf1b3821c908816eb6376a7 (patch) | |
| tree | 62a7ea9269f57c11417a61d9f5d726d68a428ca7 | |
| parent | e04c78d86a9699d136910cfc0bdcf01087e3267e (diff) | |
bcachefs: trace_extent_trim_atomic
Add a tracepoint for when we insert only part of an extent, due to too
many overwrites.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/extent_update.c | 13 | ||||
| -rw-r--r-- | fs/bcachefs/trace.h | 5 |
2 files changed, 17 insertions, 1 deletions
diff --git a/fs/bcachefs/extent_update.c b/fs/bcachefs/extent_update.c index b899ee75f5b9..e76e58a568bf 100644 --- a/fs/bcachefs/extent_update.c +++ b/fs/bcachefs/extent_update.c @@ -139,6 +139,17 @@ int bch2_extent_trim_atomic(struct btree_trans *trans, if (ret) return ret; - bch2_cut_back(end, k); + /* tracepoint */ + + if (bpos_lt(end, k->k.p)) { + if (trace_extent_trim_atomic_enabled()) { + CLASS(printbuf, buf)(); + bch2_bpos_to_text(&buf, end); + prt_newline(&buf); + bch2_bkey_val_to_text(&buf, trans->c, bkey_i_to_s_c(k)); + trace_extent_trim_atomic(trans->c, buf.buf); + } + bch2_cut_back(end, k); + } return 0; } diff --git a/fs/bcachefs/trace.h b/fs/bcachefs/trace.h index dc09532796af..41efebdd06ef 100644 --- a/fs/bcachefs/trace.h +++ b/fs/bcachefs/trace.h @@ -1490,6 +1490,11 @@ DEFINE_EVENT(fs_str, io_move_evacuate_bucket, TP_ARGS(c, str) ); +DEFINE_EVENT(fs_str, extent_trim_atomic, + TP_PROTO(struct bch_fs *c, const char *str), + TP_ARGS(c, str) +); + #ifdef CONFIG_BCACHEFS_PATH_TRACEPOINTS TRACE_EVENT(update_by_path, |