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bcachefs: io_move_evacuate_bucket tracepoint, counter

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2025-05-27 21:54:22 -04:00
parent 060ff4b794
commit c7897b5055
3 changed files with 24 additions and 0 deletions
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18
fs/bcachefs/move.c
View file

@ -95,6 +95,19 @@ trace_io_move_pred2(struct bch_fs *c, struct bkey_s_c k,
printbuf_exit(&buf);
}
static noinline void
trace_io_move_evacuate_bucket2(struct bch_fs *c, struct bpos bucket, int gen)
{
struct printbuf buf = PRINTBUF;
prt_printf(&buf, "bucket: ");
bch2_bpos_to_text(&buf, bucket);
prt_printf(&buf, " gen: %i\n", gen);
trace_io_move_evacuate_bucket(c, buf.buf);
printbuf_exit(&buf);
}
struct moving_io {
struct list_head read_list;
struct list_head io_list;
@ -1059,8 +1072,13 @@ int bch2_evacuate_bucket(struct moving_context *ctxt,
struct bpos bucket, int gen,
struct data_update_opts data_opts)
{
struct bch_fs *c = ctxt->trans->c;
struct evacuate_bucket_arg arg = { bucket, gen, data_opts, };
count_event(c, io_move_evacuate_bucket);
if (trace_io_move_evacuate_bucket_enabled())
trace_io_move_evacuate_bucket2(c, bucket, gen);
return __bch2_move_data_phys(ctxt, bucket_in_flight,
bucket.inode,
bucket.offset,

1
fs/bcachefs/sb-counters_format.h
View file

@ -26,6 +26,7 @@ enum counters_flags {
x(io_move_write_fail, 82, TYPE_COUNTER) \
x(io_move_start_fail, 39, TYPE_COUNTER) \
x(io_move_created_rebalance, 83, TYPE_COUNTER) \
x(io_move_evacuate_bucket, 84, TYPE_COUNTER) \
x(bucket_invalidate, 3, TYPE_COUNTER) \
x(bucket_discard, 4, TYPE_COUNTER) \
x(bucket_discard_fast, 79, TYPE_COUNTER) \

5
fs/bcachefs/trace.h
View file

@ -1441,6 +1441,11 @@ DEFINE_EVENT(fs_str, io_move_created_rebalance,
TP_ARGS(c, str)
);
DEFINE_EVENT(fs_str, io_move_evacuate_bucket,
TP_PROTO(struct bch_fs *c, const char *str),
TP_ARGS(c, str)
);
TRACE_EVENT(error_downcast,
TP_PROTO(int bch_err, int std_err, unsigned long ip),
TP_ARGS(bch_err, std_err, ip),