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-rw-r--r--include/trace/events/9p.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/trace/events/9p.h b/include/trace/events/9p.h
index 78c5608a1648..4dfa6d7f83ba 100644
--- a/include/trace/events/9p.h
+++ b/include/trace/events/9p.h
@@ -77,6 +77,13 @@
EM( P9_TWSTAT, "P9_TWSTAT" ) \
EMe(P9_RWSTAT, "P9_RWSTAT" )
+
+#define P9_FID_REFTYPE \
+ EM( P9_FID_REF_CREATE, "create " ) \
+ EM( P9_FID_REF_GET, "get " ) \
+ EM( P9_FID_REF_PUT, "put " ) \
+ EMe(P9_FID_REF_DESTROY, "destroy" )
+
/* Define EM() to export the enums to userspace via TRACE_DEFINE_ENUM() */
#undef EM
#undef EMe
@@ -84,6 +91,21 @@
#define EMe(a, b) TRACE_DEFINE_ENUM(a);
P9_MSG_T
+P9_FID_REFTYPE
+
+/* And also use EM/EMe to define helper enums -- once */
+#ifndef __9P_DECLARE_TRACE_ENUMS_ONLY_ONCE
+#define __9P_DECLARE_TRACE_ENUMS_ONLY_ONCE
+#undef EM
+#undef EMe
+#define EM(a, b) a,
+#define EMe(a, b) a
+
+enum p9_fid_reftype {
+ P9_FID_REFTYPE
+} __mode(byte);
+
+#endif
/*
* Now redefine the EM() and EMe() macros to map the enums to the strings
@@ -96,6 +118,8 @@ P9_MSG_T
#define show_9p_op(type) \
__print_symbolic(type, P9_MSG_T)
+#define show_9p_fid_reftype(type) \
+ __print_symbolic(type, P9_FID_REFTYPE)
TRACE_EVENT(9p_client_req,
TP_PROTO(struct p9_client *clnt, int8_t type, int tag),
@@ -168,6 +192,30 @@ TRACE_EVENT(9p_protocol_dump,
__entry->tag, 0, __entry->line, 16, __entry->line + 16)
);
+
+TRACE_EVENT(9p_fid_ref,
+ TP_PROTO(struct p9_fid *fid, __u8 type),
+
+ TP_ARGS(fid, type),
+
+ TP_STRUCT__entry(
+ __field( int, fid )
+ __field( int, refcount )
+ __field( __u8, type )
+ ),
+
+ TP_fast_assign(
+ __entry->fid = fid->fid;
+ __entry->refcount = refcount_read(&fid->count);
+ __entry->type = type;
+ ),
+
+ TP_printk("%s fid %d, refcount %d",
+ show_9p_fid_reftype(__entry->type),
+ __entry->fid, __entry->refcount)
+);
+
+
#endif /* _TRACE_9P_H */
/* This part must be outside protection */