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