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authorDavid Howells2018-03-30 21:05:28 +0100
committerDavid Howells2018-03-30 21:05:28 +0100
commit09d2bf595db4b4075ea721acd61e180d6bb18f88 (patch)
treedff2ce99c0c128f7065f7526a286f5f964c3edd7 /include/trace
parentd3be4d244330f7ef53242d8dc1b7f77d105e767f (diff)
rxrpc: Add a tracepoint to track rxrpc_local refcounting
Add a tracepoint to track reference counting on the rxrpc_local struct. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/rxrpc.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index 2ea788f6f95d..0410dfeb79c6 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -42,6 +42,14 @@ enum rxrpc_skb_trace {
rxrpc_skb_tx_seen,
};
+enum rxrpc_local_trace {
+ rxrpc_local_got,
+ rxrpc_local_new,
+ rxrpc_local_processing,
+ rxrpc_local_put,
+ rxrpc_local_queued,
+};
+
enum rxrpc_conn_trace {
rxrpc_conn_got,
rxrpc_conn_new_client,
@@ -215,6 +223,13 @@ enum rxrpc_congest_change {
EM(rxrpc_skb_tx_rotated, "Tx ROT") \
E_(rxrpc_skb_tx_seen, "Tx SEE")
+#define rxrpc_local_traces \
+ EM(rxrpc_local_got, "GOT") \
+ EM(rxrpc_local_new, "NEW") \
+ EM(rxrpc_local_processing, "PRO") \
+ EM(rxrpc_local_put, "PUT") \
+ E_(rxrpc_local_queued, "QUE")
+
#define rxrpc_conn_traces \
EM(rxrpc_conn_got, "GOT") \
EM(rxrpc_conn_new_client, "NWc") \
@@ -416,6 +431,7 @@ enum rxrpc_congest_change {
#define E_(a, b) TRACE_DEFINE_ENUM(a);
rxrpc_skb_traces;
+rxrpc_local_traces;
rxrpc_conn_traces;
rxrpc_client_traces;
rxrpc_call_traces;
@@ -439,6 +455,33 @@ rxrpc_congest_changes;
#define EM(a, b) { a, b },
#define E_(a, b) { a, b }
+TRACE_EVENT(rxrpc_local,
+ TP_PROTO(struct rxrpc_local *local, enum rxrpc_local_trace op,
+ int usage, const void *where),
+
+ TP_ARGS(local, op, usage, where),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, local )
+ __field(int, op )
+ __field(int, usage )
+ __field(const void *, where )
+ ),
+
+ TP_fast_assign(
+ __entry->local = local->debug_id;
+ __entry->op = op;
+ __entry->usage = usage;
+ __entry->where = where;
+ ),
+
+ TP_printk("L=%08x %s u=%d sp=%pSR",
+ __entry->local,
+ __print_symbolic(__entry->op, rxrpc_local_traces),
+ __entry->usage,
+ __entry->where)
+ );
+
TRACE_EVENT(rxrpc_conn,
TP_PROTO(struct rxrpc_connection *conn, enum rxrpc_conn_trace op,
int usage, const void *where),