[lttng-dev] [PATCH lttng-modules 3/3] Fix: sunrpc instrumentation for 4.17

[Michael Jeanson]

See upstream commit:

  commit e671edb9428c8a61662aaf8c39f5edced7cc45c7
  Author: Chuck Lever <chuck.lever at oracle.com>
  Date:   Fri Mar 16 10:33:44 2018 -0400

    sunrpc: Simplify synopsis of some trace points

    Clean up: struct rpc_task carries a pointer to a struct rpc_clnt,
    and in fact task->tk_client is always what is passed into trace
    points that are already passing @task.

Signed-off-by: Michael Jeanson <mjeanson at efficios.com>
---
 instrumentation/events/lttng-module/rpc.h | 88 +++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)

diff --git a/instrumentation/events/lttng-module/rpc.h b/instrumentation/events/lttng-module/rpc.h
index 29e0cd7..4a76894 100644
--- a/instrumentation/events/lttng-module/rpc.h
+++ b/instrumentation/events/lttng-module/rpc.h
@@ -33,6 +33,93 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_status, rpc_bind_status,
 	TP_ARGS(task)
 )
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,17,0))
+LTTNG_TRACEPOINT_EVENT(rpc_connect_status,
+	TP_PROTO(const struct rpc_task *task),
+
+	TP_ARGS(task),
+
+	TP_FIELDS(
+		ctf_integer_hex(const struct rpc_task *, task, task)
+		ctf_integer_hex(const struct rpc_clnt *, clnt, task->tk_client)
+		ctf_integer(int, status, task->tk_status)
+	)
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_running,
+
+	TP_PROTO(const struct rpc_task *task, const void *action),
+
+	TP_ARGS(task, action),
+
+	TP_FIELDS(
+		ctf_integer_hex(const struct rpc_clnt *, clnt, task->tk_client)
+		ctf_integer_hex(const struct rpc_task *, task, task)
+		ctf_integer_hex(const void *, action, action)
+		ctf_integer(unsigned long, runstate, task->tk_runstate)
+		ctf_integer(int, status, task->tk_status)
+		ctf_integer(unsigned short, flags, task->tk_flags)
+	)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_running, rpc_task_begin,
+
+	TP_PROTO(const struct rpc_task *task, const void *action),
+
+	TP_ARGS(task, action)
+
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_running, rpc_task_run_action,
+
+	TP_PROTO(const struct rpc_task *task, const void *action),
+
+	TP_ARGS(task, action)
+
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_running, rpc_task_complete,
+
+	TP_PROTO(const struct rpc_task *task, const void *action),
+
+	TP_ARGS(task, action)
+
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_queued,
+
+	TP_PROTO(const struct rpc_task *task, const struct rpc_wait_queue *q),
+
+	TP_ARGS(task, q),
+
+	TP_FIELDS(
+		ctf_integer_hex(const struct rpc_clnt *, clnt, task->tk_client)
+		ctf_integer_hex(const struct rpc_task *, task, task)
+		ctf_integer(unsigned long, timeout, task->tk_timeout)
+		ctf_integer(unsigned long, runstate, task->tk_runstate)
+		ctf_integer(int, status, task->tk_status)
+		ctf_integer(unsigned short, flags, task->tk_flags)
+		ctf_string(q_name, rpc_qname(q))
+	)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_queued, rpc_task_sleep,
+
+	TP_PROTO(const struct rpc_task *task, const struct rpc_wait_queue *q),
+
+	TP_ARGS(task, q)
+
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_queued, rpc_task_wakeup,
+
+	TP_PROTO(const struct rpc_task *task, const struct rpc_wait_queue *q),
+
+	TP_ARGS(task, q)
+
+)
+
+#else
 LTTNG_TRACEPOINT_EVENT(rpc_connect_status,
 	TP_PROTO(struct rpc_task *task, int status),
 
@@ -117,6 +204,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_queued, rpc_task_wakeup,
 	TP_ARGS(clnt, task, q)
 
 )
+#endif
 
 #endif /* LTTNG_TRACE_RPC_H */
 
-- 
2.7.4