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-rw-r--r--include/trace/events/9p.h225
1 files changed, 225 insertions, 0 deletions
diff --git a/include/trace/events/9p.h b/include/trace/events/9p.h
new file mode 100644
index 0000000000..cd104a1343
--- /dev/null
+++ b/include/trace/events/9p.h
@@ -0,0 +1,225 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM 9p
+
+#if !defined(_TRACE_9P_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_9P_H
+
+#include <linux/tracepoint.h>
+
+#define P9_MSG_T \
+ EM( P9_TLERROR, "P9_TLERROR" ) \
+ EM( P9_RLERROR, "P9_RLERROR" ) \
+ EM( P9_TSTATFS, "P9_TSTATFS" ) \
+ EM( P9_RSTATFS, "P9_RSTATFS" ) \
+ EM( P9_TLOPEN, "P9_TLOPEN" ) \
+ EM( P9_RLOPEN, "P9_RLOPEN" ) \
+ EM( P9_TLCREATE, "P9_TLCREATE" ) \
+ EM( P9_RLCREATE, "P9_RLCREATE" ) \
+ EM( P9_TSYMLINK, "P9_TSYMLINK" ) \
+ EM( P9_RSYMLINK, "P9_RSYMLINK" ) \
+ EM( P9_TMKNOD, "P9_TMKNOD" ) \
+ EM( P9_RMKNOD, "P9_RMKNOD" ) \
+ EM( P9_TRENAME, "P9_TRENAME" ) \
+ EM( P9_RRENAME, "P9_RRENAME" ) \
+ EM( P9_TREADLINK, "P9_TREADLINK" ) \
+ EM( P9_RREADLINK, "P9_RREADLINK" ) \
+ EM( P9_TGETATTR, "P9_TGETATTR" ) \
+ EM( P9_RGETATTR, "P9_RGETATTR" ) \
+ EM( P9_TSETATTR, "P9_TSETATTR" ) \
+ EM( P9_RSETATTR, "P9_RSETATTR" ) \
+ EM( P9_TXATTRWALK, "P9_TXATTRWALK" ) \
+ EM( P9_RXATTRWALK, "P9_RXATTRWALK" ) \
+ EM( P9_TXATTRCREATE, "P9_TXATTRCREATE" ) \
+ EM( P9_RXATTRCREATE, "P9_RXATTRCREATE" ) \
+ EM( P9_TREADDIR, "P9_TREADDIR" ) \
+ EM( P9_RREADDIR, "P9_RREADDIR" ) \
+ EM( P9_TFSYNC, "P9_TFSYNC" ) \
+ EM( P9_RFSYNC, "P9_RFSYNC" ) \
+ EM( P9_TLOCK, "P9_TLOCK" ) \
+ EM( P9_RLOCK, "P9_RLOCK" ) \
+ EM( P9_TGETLOCK, "P9_TGETLOCK" ) \
+ EM( P9_RGETLOCK, "P9_RGETLOCK" ) \
+ EM( P9_TLINK, "P9_TLINK" ) \
+ EM( P9_RLINK, "P9_RLINK" ) \
+ EM( P9_TMKDIR, "P9_TMKDIR" ) \
+ EM( P9_RMKDIR, "P9_RMKDIR" ) \
+ EM( P9_TRENAMEAT, "P9_TRENAMEAT" ) \
+ EM( P9_RRENAMEAT, "P9_RRENAMEAT" ) \
+ EM( P9_TUNLINKAT, "P9_TUNLINKAT" ) \
+ EM( P9_RUNLINKAT, "P9_RUNLINKAT" ) \
+ EM( P9_TVERSION, "P9_TVERSION" ) \
+ EM( P9_RVERSION, "P9_RVERSION" ) \
+ EM( P9_TAUTH, "P9_TAUTH" ) \
+ EM( P9_RAUTH, "P9_RAUTH" ) \
+ EM( P9_TATTACH, "P9_TATTACH" ) \
+ EM( P9_RATTACH, "P9_RATTACH" ) \
+ EM( P9_TERROR, "P9_TERROR" ) \
+ EM( P9_RERROR, "P9_RERROR" ) \
+ EM( P9_TFLUSH, "P9_TFLUSH" ) \
+ EM( P9_RFLUSH, "P9_RFLUSH" ) \
+ EM( P9_TWALK, "P9_TWALK" ) \
+ EM( P9_RWALK, "P9_RWALK" ) \
+ EM( P9_TOPEN, "P9_TOPEN" ) \
+ EM( P9_ROPEN, "P9_ROPEN" ) \
+ EM( P9_TCREATE, "P9_TCREATE" ) \
+ EM( P9_RCREATE, "P9_RCREATE" ) \
+ EM( P9_TREAD, "P9_TREAD" ) \
+ EM( P9_RREAD, "P9_RREAD" ) \
+ EM( P9_TWRITE, "P9_TWRITE" ) \
+ EM( P9_RWRITE, "P9_RWRITE" ) \
+ EM( P9_TCLUNK, "P9_TCLUNK" ) \
+ EM( P9_RCLUNK, "P9_RCLUNK" ) \
+ EM( P9_TREMOVE, "P9_TREMOVE" ) \
+ EM( P9_RREMOVE, "P9_RREMOVE" ) \
+ EM( P9_TSTAT, "P9_TSTAT" ) \
+ EM( P9_RSTAT, "P9_RSTAT" ) \
+ 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
+#define EM(a, b) TRACE_DEFINE_ENUM(a);
+#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
+ * that will be printed in the output.
+ */
+#undef EM
+#undef EMe
+#define EM(a, b) { a, b },
+#define EMe(a, b) { a, b }
+
+#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),
+
+ TP_ARGS(clnt, type, tag),
+
+ TP_STRUCT__entry(
+ __field( void *, clnt )
+ __field( __u8, type )
+ __field( __u32, tag )
+ ),
+
+ TP_fast_assign(
+ __entry->clnt = clnt;
+ __entry->type = type;
+ __entry->tag = tag;
+ ),
+
+ TP_printk("client %lu request %s tag %d",
+ (long)__entry->clnt, show_9p_op(__entry->type),
+ __entry->tag)
+ );
+
+TRACE_EVENT(9p_client_res,
+ TP_PROTO(struct p9_client *clnt, int8_t type, int tag, int err),
+
+ TP_ARGS(clnt, type, tag, err),
+
+ TP_STRUCT__entry(
+ __field( void *, clnt )
+ __field( __u8, type )
+ __field( __u32, tag )
+ __field( __u32, err )
+ ),
+
+ TP_fast_assign(
+ __entry->clnt = clnt;
+ __entry->type = type;
+ __entry->tag = tag;
+ __entry->err = err;
+ ),
+
+ TP_printk("client %lu response %s tag %d err %d",
+ (long)__entry->clnt, show_9p_op(__entry->type),
+ __entry->tag, __entry->err)
+);
+
+/* dump 32 bytes of protocol data */
+#define P9_PROTO_DUMP_SZ 32
+TRACE_EVENT(9p_protocol_dump,
+ TP_PROTO(struct p9_client *clnt, struct p9_fcall *pdu),
+
+ TP_ARGS(clnt, pdu),
+
+ TP_STRUCT__entry(
+ __field( void *, clnt )
+ __field( __u8, type )
+ __field( __u16, tag )
+ __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(__get_dynamic_array(line), pdu->sdata,
+ __get_dynamic_array_len(line));
+ ),
+ TP_printk("clnt %lu %s(tag = %d)\n%*ph\n",
+ (unsigned long)__entry->clnt, show_9p_op(__entry->type),
+ __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 */
+#include <trace/define_trace.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 07:11:08 +0000