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rxrpc: Trace rxrpc_call usage

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Add a trace event for debuging rxrpc_call struct usage.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2016-08-30 09:49:29 +01:00
parent f5c17aaeb2
commit e34d4234b0
12 changed files with 144 additions and 35 deletions
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39
include/trace/events/rxrpc.h
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@@ -16,6 +16,45 @@
#include <linux/tracepoint.h>
TRACE_EVENT(rxrpc_call,
TP_PROTO(struct rxrpc_call *call, int op, int usage, int nskb,
const void *where, const void *aux),
TP_ARGS(call, op, usage, nskb, where, aux),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(int, op )
__field(int, usage )
__field(int, nskb )
__field(const void *, where )
__field(const void *, aux )
),
TP_fast_assign(
__entry->call = call;
__entry->op = op;
__entry->usage = usage;
__entry->nskb = nskb;
__entry->where = where;
__entry->aux = aux;
),
TP_printk("c=%p %s u=%d s=%d p=%pSR a=%p",
__entry->call,
(__entry->op == 0 ? "NWc" :
__entry->op == 1 ? "NWs" :
__entry->op == 2 ? "SEE" :
__entry->op == 3 ? "GET" :
__entry->op == 4 ? "Gsb" :
__entry->op == 5 ? "PUT" :
"Psb"),
__entry->usage,
__entry->nskb,
__entry->where,
__entry->aux)
);
TRACE_EVENT(rxrpc_skb,
TP_PROTO(struct sk_buff *skb, int op, int usage, int mod_count,
const void *where),