fff72429c2
Improve the call tracking tracepoint by showing more differentiation
between some of the put and get events, including:
(1) Getting and putting refs for the socket call user ID tree.
(2) Getting and putting refs for queueing and failing to queue the call
processor work item.
Note that these aren't necessarily used in this patch, but will be taken
advantage of in future patches.
An enum is added for the event subtype numbers rather than coding them
directly as decimal numbers and a table of 3-letter strings is provided
rather than a sequence of ?: operators.
Signed-off-by: David Howells <dhowells@redhat.com>
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/* AF_RXRPC 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 rxrpc
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#if !defined(_TRACE_RXRPC_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_RXRPC_H
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#include <linux/tracepoint.h>
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TRACE_EVENT(rxrpc_call,
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TP_PROTO(struct rxrpc_call *call, enum rxrpc_call_trace op,
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int usage, int nskb,
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const void *where, const void *aux),
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TP_ARGS(call, op, usage, nskb, where, aux),
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TP_STRUCT__entry(
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__field(struct rxrpc_call *, call )
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__field(int, op )
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__field(int, usage )
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__field(int, nskb )
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__field(const void *, where )
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__field(const void *, aux )
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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->nskb = nskb;
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__entry->where = where;
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__entry->aux = aux;
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),
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TP_printk("c=%p %s u=%d s=%d p=%pSR a=%p",
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__entry->call,
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rxrpc_call_traces[__entry->op],
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__entry->usage,
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__entry->nskb,
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__entry->where,
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__entry->aux)
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);
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TRACE_EVENT(rxrpc_skb,
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TP_PROTO(struct sk_buff *skb, int op, int usage, int mod_count,
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const void *where),
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TP_ARGS(skb, op, usage, mod_count, where),
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TP_STRUCT__entry(
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__field(struct sk_buff *, skb )
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__field(int, op )
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__field(int, usage )
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__field(int, mod_count )
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__field(const void *, where )
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),
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TP_fast_assign(
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__entry->skb = skb;
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__entry->op = op;
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__entry->usage = usage;
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__entry->mod_count = mod_count;
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__entry->where = where;
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),
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TP_printk("s=%p %s u=%d m=%d p=%pSR",
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__entry->skb,
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(__entry->op == 0 ? "NEW" :
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__entry->op == 1 ? "SEE" :
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__entry->op == 2 ? "GET" :
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__entry->op == 3 ? "FRE" :
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"PUR"),
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__entry->usage,
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__entry->mod_count,
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__entry->where)
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);
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#endif /* _TRACE_RXRPC_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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