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nfs: new tracepoint in match_stateid operation

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Add new tracepoints in the NFSv4 match_stateid minorversion op that show
the info in both stateids.

Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20250618-nfs-tracepoints-v2-4-540c9fb48da2@kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Jeff Layton 2025-06-18 09:19:15 -04:00 committed by Trond Myklebust
parent 5dd03d14b3
commit b0b7cdc994
2 changed files with 61 additions and 0 deletions
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4
fs/nfs/nfs4proc.c
View File

@ -10692,6 +10692,8 @@ nfs41_free_lock_state(struct nfs_server *server, struct nfs4_lock_state *lsp)
static bool nfs41_match_stateid(const nfs4_stateid *s1,
const nfs4_stateid *s2)
{
trace_nfs41_match_stateid(s1, s2);
if (s1->type != s2->type)
return false;
@ -10709,6 +10711,8 @@ static bool nfs41_match_stateid(const nfs4_stateid *s1,
static bool nfs4_match_stateid(const nfs4_stateid *s1,
const nfs4_stateid *s2)
{
trace_nfs4_match_stateid(s1, s2);
return nfs4_stateid_match(s1, s2);
}

57
fs/nfs/nfs4trace.h
View File

@ -1524,6 +1524,63 @@ DECLARE_EVENT_CLASS(nfs4_inode_stateid_callback_event,
DEFINE_NFS4_INODE_STATEID_CALLBACK_EVENT(nfs4_cb_recall);
DEFINE_NFS4_INODE_STATEID_CALLBACK_EVENT(nfs4_cb_layoutrecall_file);
#define show_stateid_type(type) \
__print_symbolic(type, \
{ NFS4_INVALID_STATEID_TYPE, "INVALID" }, \
{ NFS4_SPECIAL_STATEID_TYPE, "SPECIAL" }, \
{ NFS4_OPEN_STATEID_TYPE, "OPEN" }, \
{ NFS4_LOCK_STATEID_TYPE, "LOCK" }, \
{ NFS4_DELEGATION_STATEID_TYPE, "DELEGATION" }, \
{ NFS4_LAYOUT_STATEID_TYPE, "LAYOUT" }, \
{ NFS4_PNFS_DS_STATEID_TYPE, "PNFS_DS" }, \
{ NFS4_REVOKED_STATEID_TYPE, "REVOKED" }, \
{ NFS4_FREED_STATEID_TYPE, "FREED" })
DECLARE_EVENT_CLASS(nfs4_match_stateid_event,
TP_PROTO(
const nfs4_stateid *s1,
const nfs4_stateid *s2
),
TP_ARGS(s1, s2),
TP_STRUCT__entry(
__field(int, s1_seq)
__field(int, s2_seq)
__field(u32, s1_hash)
__field(u32, s2_hash)
__field(int, s1_type)
__field(int, s2_type)
),
TP_fast_assign(
__entry->s1_seq = s1->seqid;
__entry->s1_hash = nfs_stateid_hash(s1);
__entry->s1_type = s1->type;
__entry->s2_seq = s2->seqid;
__entry->s2_hash = nfs_stateid_hash(s2);
__entry->s2_type = s2->type;
),
TP_printk(
"s1=%s:%x:%u s2=%s:%x:%u",
show_stateid_type(__entry->s1_type),
__entry->s1_hash, __entry->s1_seq,
show_stateid_type(__entry->s2_type),
__entry->s2_hash, __entry->s2_seq
)
);
#define DEFINE_NFS4_MATCH_STATEID_EVENT(name) \
DEFINE_EVENT(nfs4_match_stateid_event, name, \
TP_PROTO( \
const nfs4_stateid *s1, \
const nfs4_stateid *s2 \
), \
TP_ARGS(s1, s2))
DEFINE_NFS4_MATCH_STATEID_EVENT(nfs41_match_stateid);
DEFINE_NFS4_MATCH_STATEID_EVENT(nfs4_match_stateid);
DECLARE_EVENT_CLASS(nfs4_idmap_event,
TP_PROTO(
const char *name,