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Update README.md for supported kernel
[lttng-modules.git] / instrumentation / events / lttng-module / rpc.h
diff --git a/instrumentation/events/lttng-module/rpc.h b/instrumentation/events/lttng-module/rpc.h
index fb131060c4fa571e77d7ac0bca192b8e211a7d96..8b15cfab6e2844561f57110312b5ed2ddb044b23 100644 (file)
--- a/instrumentation/events/lttng-module/rpc.h
+++ b/instrumentation/events/lttng-module/rpc.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0-only */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM rpc
 
@@ -9,128 +9,58 @@
 #include <linux/sunrpc/sched.h>
 #include <linux/sunrpc/clnt.h>
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0))
-LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_status,
+#ifndef ONCE_LTTNG_RPC_H
+#define ONCE_LTTNG_RPC_H
 
-       TP_PROTO(const struct rpc_task *task),
+static inline
+int lttng_get_clid(const struct rpc_task *task)
+{
+       struct rpc_clnt *tk_client;
 
-       TP_ARGS(task),
+       tk_client = task->tk_client;
+       if (!tk_client)
+               return -1;
+       /*
+        * The cl_clid field is always initialized to positive signed
+        * integers. Negative signed integer values are treated as
+        * errors.
+        */
+       return (int) tk_client->cl_clid;
+}
 
-       TP_FIELDS(
-               ctf_integer(unsigned int, task_id, task->tk_pid)
-               ctf_integer(unsigned int, client_id, task->tk_client->cl_clid)
-               ctf_integer(int, status, task->tk_status)
-       )
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_status, rpc_call_status,
-       TP_PROTO(const struct rpc_task *task),
+#endif /* ONCE_LTTNG_RPC_H */
 
-       TP_ARGS(task)
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_status, rpc_bind_status,
-       TP_PROTO(const struct rpc_task *task),
-
-       TP_ARGS(task)
-)
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
 LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_status,
 
-       TP_PROTO(struct rpc_task *task),
+       TP_PROTO(const struct rpc_task *task),
 
        TP_ARGS(task),
 
        TP_FIELDS(
                ctf_integer(unsigned int, task_id, task->tk_pid)
-               ctf_integer(unsigned int, client_id, task->tk_client->cl_clid)
+               ctf_integer(int, client_id, lttng_get_clid(task))
                ctf_integer(int, status, task->tk_status)
        )
 )
 
 LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_status, rpc_call_status,
-       TP_PROTO(struct rpc_task *task),
-
-       TP_ARGS(task)
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_status, rpc_bind_status,
-       TP_PROTO(struct rpc_task *task),
-
-       TP_ARGS(task)
-)
-#else
-LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_status,
-
-       TP_PROTO(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_INSTANCE(rpc_task_status, rpc_call_status,
-       TP_PROTO(struct rpc_task *task),
+       TP_PROTO(const struct rpc_task *task),
 
        TP_ARGS(task)
 )
 
 LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_status, rpc_bind_status,
-       TP_PROTO(struct rpc_task *task),
+       TP_PROTO(const struct rpc_task *task),
 
        TP_ARGS(task)
 )
-#endif
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0))
 LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_status, rpc_connect_status,
        TP_PROTO(const struct rpc_task *task),
 
        TP_ARGS(task)
 )
-#elif (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(unsigned int, task_id, task->tk_pid)
-               ctf_integer(unsigned int, client_id, task->tk_client->cl_clid)
-               ctf_integer(int, status, task->tk_status)
-       )
-)
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
-LTTNG_TRACEPOINT_EVENT(rpc_connect_status,
-       TP_PROTO(struct rpc_task *task, int status),
-
-       TP_ARGS(task, status),
-
-       TP_FIELDS(
-               ctf_integer(unsigned int, task_id, task->tk_pid)
-               ctf_integer(unsigned int, client_id, task->tk_client->cl_clid)
-               ctf_integer(int, status, status)
-       )
-)
-#else
-LTTNG_TRACEPOINT_EVENT(rpc_connect_status,
-       TP_PROTO(struct rpc_task *task, int status),
-
-       TP_ARGS(task, status),
-
-       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, status)
-       )
-)
-#endif
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,17,0))
 LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_running,
 
        TP_PROTO(const struct rpc_task *task, const void *action),
@@ -139,7 +69,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_running,
 
        TP_FIELDS(
                ctf_integer(unsigned int, task_id, task->tk_pid)
-               ctf_integer(unsigned int, client_id, task->tk_client ? task->tk_client->cl_clid : -1)
+               ctf_integer(int, client_id, lttng_get_clid(task))
                ctf_integer_hex(const void *, action, action)
                ctf_integer(unsigned long, runstate, task->tk_runstate)
                ctf_integer(int, status, task->tk_status)
@@ -176,7 +106,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_queued,
 
        TP_FIELDS(
                ctf_integer(unsigned int, task_id, task->tk_pid)
-               ctf_integer(unsigned int, client_id, task->tk_client->cl_clid)
+               ctf_integer(int, client_id, lttng_get_clid(task))
                ctf_integer(unsigned long, timeout, task->tk_timeout)
                ctf_integer(unsigned long, runstate, task->tk_runstate)
                ctf_integer(int, status, task->tk_status)
@@ -199,145 +129,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_queued, rpc_task_wakeup,
        TP_ARGS(task, q)
 )
 
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
-LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_running,
-
-       TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action),
-
-       TP_ARGS(clnt, task, action),
-
-       TP_FIELDS(
-               ctf_integer(unsigned int, task_id, task->tk_pid)
-               ctf_integer(unsigned int, client_id, task->tk_client ? task->tk_client->cl_clid : -1)
-               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_clnt *clnt, const struct rpc_task *task, const void *action),
-
-       TP_ARGS(clnt, task, action)
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_running, rpc_task_run_action,
-
-       TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action),
-
-       TP_ARGS(clnt, task, action)
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_running, rpc_task_complete,
-
-       TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action),
-
-       TP_ARGS(clnt, task, action)
-)
-
-LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_queued,
-
-       TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const struct rpc_wait_queue *q),
-
-       TP_ARGS(clnt, task, q),
-
-       TP_FIELDS(
-               ctf_integer(unsigned int, task_id, task->tk_pid)
-               ctf_integer(unsigned int, client_id, task->tk_client->cl_clid)
-               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_clnt *clnt, const struct rpc_task *task, const struct rpc_wait_queue *q),
-
-       TP_ARGS(clnt, task, q)
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_queued, rpc_task_wakeup,
-
-       TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const struct rpc_wait_queue *q),
-
-       TP_ARGS(clnt, task, q)
-)
-
-#else
-LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_running,
-
-       TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action),
-
-       TP_ARGS(clnt, task, action),
-
-       TP_FIELDS(
-               ctf_integer_hex(const struct rpc_clnt *, clnt, clnt)
-               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_clnt *clnt, const struct rpc_task *task, const void *action),
-
-       TP_ARGS(clnt, task, action)
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_running, rpc_task_run_action,
-
-       TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action),
-
-       TP_ARGS(clnt, task, action)
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_running, rpc_task_complete,
-
-       TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action),
-
-       TP_ARGS(clnt, task, action)
-)
-
-LTTNG_TRACEPOINT_EVENT_CLASS(rpc_task_queued,
-
-       TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const struct rpc_wait_queue *q),
-
-       TP_ARGS(clnt, task, q),
-
-       TP_FIELDS(
-               ctf_integer_hex(const struct rpc_clnt *, clnt, clnt)
-               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_clnt *clnt, const struct rpc_task *task, const struct rpc_wait_queue *q),
-
-       TP_ARGS(clnt, task, q)
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(rpc_task_queued, rpc_task_wakeup,
-
-       TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const struct rpc_wait_queue *q),
-
-       TP_ARGS(clnt, task, q)
-)
-#endif
-
 #endif /* LTTNG_TRACE_RPC_H */
 
 #include <probes/define_trace.h>
LTTng 2.0/0.x modules
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