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Add tracing of srch compact struct communication

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Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2023-11-08 15:36:45 -08:00
parent bf21699ad7
commit 1dbe408539
2 changed files with 78 additions and 0 deletions
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75
kmod/src/scoutfs_trace.h
View File

@@ -2799,6 +2799,81 @@ TRACE_EVENT(scoutfs_omap_should_delete,
SCSB_TRACE_ARGS, __entry->ino, __entry->nlink, __entry->ret)
);
#define SSCF_FMT "[bo %llu bs %llu es %llu]"
#define SSCF_FIELDS(pref) \
__field(__u64, pref##_blkno) \
__field(__u64, pref##_blocks) \
__field(__u64, pref##_entries)
#define SSCF_ASSIGN(pref, sfl) \
__entry->pref##_blkno = le64_to_cpu((sfl)->ref.blkno); \
__entry->pref##_blocks = le64_to_cpu((sfl)->blocks); \
__entry->pref##_entries = le64_to_cpu((sfl)->entries);
#define SSCF_ENTRY_ARGS(pref) \
__entry->pref##_blkno, \
__entry->pref##_blocks, \
__entry->pref##_entries
DECLARE_EVENT_CLASS(scoutfs_srch_compact_class,
TP_PROTO(struct super_block *sb, struct scoutfs_srch_compact *sc),
TP_ARGS(sb, sc),
TP_STRUCT__entry(
SCSB_TRACE_FIELDS
__field(__u64, id)
__field(__u8, nr)
__field(__u8, flags)
SSCF_FIELDS(out)
__field(__u64, in0_blk)
__field(__u64, in0_pos)
SSCF_FIELDS(in0)
__field(__u64, in1_blk)
__field(__u64, in1_pos)
SSCF_FIELDS(in1)
__field(__u64, in2_blk)
__field(__u64, in2_pos)
SSCF_FIELDS(in2)
__field(__u64, in3_blk)
__field(__u64, in3_pos)
SSCF_FIELDS(in3)
),
TP_fast_assign(
SCSB_TRACE_ASSIGN(sb);
__entry->id = le64_to_cpu(sc->id);
__entry->nr = sc->nr;
__entry->flags = sc->flags;
SSCF_ASSIGN(out, &sc->out)
__entry->in0_blk = le64_to_cpu(sc->in[0].blk);
__entry->in0_pos = le64_to_cpu(sc->in[0].pos);
SSCF_ASSIGN(in0, &sc->in[0].sfl)
__entry->in1_blk = le64_to_cpu(sc->in[0].blk);
__entry->in1_pos = le64_to_cpu(sc->in[0].pos);
SSCF_ASSIGN(in1, &sc->in[1].sfl)
__entry->in2_blk = le64_to_cpu(sc->in[0].blk);
__entry->in2_pos = le64_to_cpu(sc->in[0].pos);
SSCF_ASSIGN(in2, &sc->in[2].sfl)
__entry->in3_blk = le64_to_cpu(sc->in[0].blk);
__entry->in3_pos = le64_to_cpu(sc->in[0].pos);
SSCF_ASSIGN(in3, &sc->in[3].sfl)
),
TP_printk(SCSBF" id %llu nr %u flags 0x%x out "SSCF_FMT" in0 b %llu p %llu "SSCF_FMT" in1 b %llu p %llu "SSCF_FMT" in2 b %llu p %llu "SSCF_FMT" in3 b %llu p %llu "SSCF_FMT,
SCSB_TRACE_ARGS, __entry->id, __entry->nr, __entry->flags, SSCF_ENTRY_ARGS(out),
__entry->in0_blk, __entry->in0_pos, SSCF_ENTRY_ARGS(in0),
__entry->in1_blk, __entry->in1_pos, SSCF_ENTRY_ARGS(in1),
__entry->in2_blk, __entry->in2_pos, SSCF_ENTRY_ARGS(in2),
__entry->in3_blk, __entry->in3_pos, SSCF_ENTRY_ARGS(in3))
);
DEFINE_EVENT(scoutfs_srch_compact_class, scoutfs_srch_compact_client_send,
TP_PROTO(struct super_block *sb, struct scoutfs_srch_compact *sc),
TP_ARGS(sb, sc)
);
DEFINE_EVENT(scoutfs_srch_compact_class, scoutfs_srch_compact_client_recv,
TP_PROTO(struct super_block *sb, struct scoutfs_srch_compact *sc),
TP_ARGS(sb, sc)
);
#endif /* _TRACE_SCOUTFS_H */
/* This part must be outside protection */

3
kmod/src/srch.c
View File

@@ -2262,6 +2262,8 @@ static void scoutfs_srch_compact_worker(struct work_struct *work)
scoutfs_block_writer_init(sb, &wri);
ret = scoutfs_client_srch_get_compact(sb, sc);
if (ret >= 0)
trace_scoutfs_srch_compact_client_recv(sb, sc);
if (ret < 0 || sc->nr == 0)
goto out;
@@ -2290,6 +2292,7 @@ commit:
sc->meta_freed = alloc.freed;
sc->flags |= ret < 0 ? SCOUTFS_SRCH_COMPACT_FLAG_ERROR : 0;
trace_scoutfs_srch_compact_client_send(sb, sc);
err = scoutfs_client_srch_commit_compact(sb, sc);
if (err < 0 && ret == 0)
ret = err;