diff options
Diffstat (limited to 'include/trace/events/9p.h')
| -rw-r--r-- | include/trace/events/9p.h | 59 |
1 files changed, 55 insertions, 4 deletions
diff --git a/include/trace/events/9p.h b/include/trace/events/9p.h index 78c5608a1648..cd104a1343e2 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), @@ -154,20 +178,47 @@ TRACE_EVENT(9p_protocol_dump, __field( void *, clnt ) __field( __u8, type ) __field( __u16, tag ) - __array( unsigned char, line, P9_PROTO_DUMP_SZ ) + __dynamic_array(unsigned char, line, + min_t(size_t, pdu->capacity, P9_PROTO_DUMP_SZ)) ), TP_fast_assign( __entry->clnt = clnt; __entry->type = pdu->id; __entry->tag = pdu->tag; - memcpy(__entry->line, pdu->sdata, P9_PROTO_DUMP_SZ); + memcpy(__get_dynamic_array(line), pdu->sdata, + __get_dynamic_array_len(line)); ), - TP_printk("clnt %lu %s(tag = %d)\n%.3x: %16ph\n%.3x: %16ph\n", + TP_printk("clnt %lu %s(tag = %d)\n%*ph\n", (unsigned long)__entry->clnt, show_9p_op(__entry->type), - __entry->tag, 0, __entry->line, 16, __entry->line + 16) + __entry->tag, __get_dynamic_array_len(line), + __get_dynamic_array(line)) ); + +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 */ |