linux/fs/fuse/fuse_trace.h

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM …

#if !defined(_TRACE_FUSE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_FUSE_H

#include <linux/tracepoint.h>

#define OPCODES …

/*
 * This will turn the above table into TRACE_DEFINE_ENUM() for each of the
 * entries.
 */
#undef EM
#undef EMe
#define EM(a, b) …
#define EMe(a, b) …

OPCODES

/* Now we redfine it with the table that __print_symbolic needs. */
#undef EM
#undef EMe
#define EM(a, b) …
#define EMe(a, b) …

TRACE_EVENT(fuse_request_send,
	TP_PROTO(const struct fuse_req *req),

	TP_ARGS(req),

	TP_STRUCT__entry(
		__field(dev_t,			connection)
		__field(uint64_t,		unique)
		__field(enum fuse_opcode,	opcode)
		__field(uint32_t,		len)
	),

	TP_fast_assign(
		__entry->connection	=	req->fm->fc->dev;
		__entry->unique		=	req->in.h.unique;
		__entry->opcode		=	req->in.h.opcode;
		__entry->len		=	req->in.h.len;
	),

	TP_printk("connection %u req %llu opcode %u (%s) len %u ",
		  __entry->connection, __entry->unique, __entry->opcode,
		  __print_symbolic(__entry->opcode, OPCODES), __entry->len)
);

TRACE_EVENT(fuse_request_end,
	TP_PROTO(const struct fuse_req *req),

	TP_ARGS(req),

	TP_STRUCT__entry(
		__field(dev_t,		connection)
		__field(uint64_t,	unique)
		__field(uint32_t,	len)
		__field(int32_t,	error)
	),

	TP_fast_assign(
		__entry->connection	=	req->fm->fc->dev;
		__entry->unique		=	req->in.h.unique;
		__entry->len		=	req->out.h.len;
		__entry->error		=	req->out.h.error;
	),

	TP_printk("connection %u req %llu len %u error %d", __entry->connection,
		  __entry->unique, __entry->len, __entry->error)
);

#endif /* _TRACE_FUSE_H */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH …
#define TRACE_INCLUDE_FILE …
#include <trace/define_trace.h>