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/* AFS tracepoints
*
* Copyright (C) 2016 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM afs
#if !defined(_TRACE_AFS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_AFS_H
#include <linux/tracepoint.h>
/*
* Define enums for tracing information.
*/
#ifndef __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
#define __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
enum afs_call_trace {
afs_call_trace_alloc,
afs_call_trace_free,
afs_call_trace_put,
afs_call_trace_wake,
afs_call_trace_work,
};
#endif /* end __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY */
/*
* Declare tracing information enums and their string mappings for display.
*/
#define afs_call_traces \
EM(afs_call_trace_alloc, "ALLOC") \
EM(afs_call_trace_free, "FREE ") \
EM(afs_call_trace_put, "PUT ") \
EM(afs_call_trace_wake, "WAKE ") \
E_(afs_call_trace_work, "WORK ")
/*
* Export enum symbols via userspace.
*/
#undef EM
#undef E_
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define E_(a, b) TRACE_DEFINE_ENUM(a);
afs_call_traces;
/*
* Now redefine the EM() and E_() macros to map the enums to the strings that
* will be printed in the output.
*/
#undef EM
#undef E_
#define EM(a, b) { a, b },
#define E_(a, b) { a, b }
TRACE_EVENT(afs_recv_data,
TP_PROTO(struct afs_call *call, unsigned count, unsigned offset,
bool want_more, int ret),
TP_ARGS(call, count, offset, want_more, ret),
TP_STRUCT__entry(
__field(struct rxrpc_call *, rxcall )
__field(struct afs_call *, call )
__field(enum afs_call_state, state )
__field(unsigned int, count )
__field(unsigned int, offset )
__field(unsigned short, unmarshall )
__field(bool, want_more )
__field(int, ret )
),
TP_fast_assign(
__entry->rxcall = call->rxcall;
__entry->call = call;
__entry->state = call->state;
__entry->unmarshall = call->unmarshall;
__entry->count = count;
__entry->offset = offset;
__entry->want_more = want_more;
__entry->ret = ret;
),
TP_printk("c=%p ac=%p s=%u u=%u %u/%u wm=%u ret=%d",
__entry->rxcall,
__entry->call,
__entry->state, __entry->unmarshall,
__entry->offset, __entry->count,
__entry->want_more, __entry->ret)
);
TRACE_EVENT(afs_notify_call,
TP_PROTO(struct rxrpc_call *rxcall, struct afs_call *call),
TP_ARGS(rxcall, call),
TP_STRUCT__entry(
__field(struct rxrpc_call *, rxcall )
__field(struct afs_call *, call )
__field(enum afs_call_state, state )
__field(unsigned short, unmarshall )
),
TP_fast_assign(
__entry->rxcall = rxcall;
__entry->call = call;
__entry->state = call->state;
__entry->unmarshall = call->unmarshall;
),
TP_printk("c=%p ac=%p s=%u u=%u",
__entry->rxcall,
__entry->call,
__entry->state, __entry->unmarshall)
);
TRACE_EVENT(afs_cb_call,
TP_PROTO(struct afs_call *call),
TP_ARGS(call),
TP_STRUCT__entry(
__field(struct rxrpc_call *, rxcall )
__field(struct afs_call *, call )
__field(const char *, name )
__field(u32, op )
),
TP_fast_assign(
__entry->rxcall = call->rxcall;
__entry->call = call;
__entry->name = call->type->name;
__entry->op = call->operation_ID;
),
TP_printk("c=%p ac=%p %s o=%u",
__entry->rxcall,
__entry->call,
__entry->name,
__entry->op)
);
TRACE_EVENT(afs_call,
TP_PROTO(struct afs_call *call, enum afs_call_trace op,
int usage, int outstanding, const void *where),
TP_ARGS(call, op, usage, outstanding, where),
TP_STRUCT__entry(
__field(struct afs_call *, call )
__field(int, op )
__field(int, usage )
__field(int, outstanding )
__field(const void *, where )
),
TP_fast_assign(
__entry->call = call;
__entry->op = op;
__entry->usage = usage;
__entry->outstanding = outstanding;
__entry->where = where;
),
TP_printk("c=%p %s u=%d o=%d sp=%pSR",
__entry->call,
__print_symbolic(__entry->op, afs_call_traces),
__entry->usage,
__entry->outstanding,
__entry->where)
);
#endif /* _TRACE_AFS_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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