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authorChuck Lever <chuck.lever@oracle.com>2019-02-11 19:24:00 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-02-13 18:56:28 +0300
commit6f701383368d54e8d43fad2a0bac30f877899568 (patch)
tree32d6db926508550066e292ad3edcc24afebe27c3
parente340c2d6ef2a8cdcc11672f8cc839c30ad360e52 (diff)
downloadlinux-6f701383368d54e8d43fad2a0bac30f877899568.tar.xz
SUNRPC: Display symbolic flag names in RPC trace events
Human-readable flags make it easier to observe RPC scheduling decisions and other operational details. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
-rw-r--r--include/trace/events/sunrpc.h56
1 files changed, 50 insertions, 6 deletions
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index 0d5d0d91f861..f88b0f52aa7e 100644
--- a/include/trace/events/sunrpc.h
+++ b/include/trace/events/sunrpc.h
@@ -77,6 +77,50 @@ TRACE_EVENT(rpc_request,
)
);
+TRACE_DEFINE_ENUM(RPC_TASK_ASYNC);
+TRACE_DEFINE_ENUM(RPC_TASK_SWAPPER);
+TRACE_DEFINE_ENUM(RPC_CALL_MAJORSEEN);
+TRACE_DEFINE_ENUM(RPC_TASK_ROOTCREDS);
+TRACE_DEFINE_ENUM(RPC_TASK_DYNAMIC);
+TRACE_DEFINE_ENUM(RPC_TASK_KILLED);
+TRACE_DEFINE_ENUM(RPC_TASK_SOFT);
+TRACE_DEFINE_ENUM(RPC_TASK_SOFTCONN);
+TRACE_DEFINE_ENUM(RPC_TASK_SENT);
+TRACE_DEFINE_ENUM(RPC_TASK_TIMEOUT);
+TRACE_DEFINE_ENUM(RPC_TASK_NOCONNECT);
+TRACE_DEFINE_ENUM(RPC_TASK_NO_RETRANS_TIMEOUT);
+
+#define rpc_show_task_flags(flags) \
+ __print_flags(flags, "|", \
+ { RPC_TASK_ASYNC, "ASYNC" }, \
+ { RPC_TASK_SWAPPER, "SWAPPER" }, \
+ { RPC_CALL_MAJORSEEN, "MAJORSEEN" }, \
+ { RPC_TASK_ROOTCREDS, "ROOTCREDS" }, \
+ { RPC_TASK_DYNAMIC, "DYNAMIC" }, \
+ { RPC_TASK_KILLED, "KILLED" }, \
+ { RPC_TASK_SOFT, "SOFT" }, \
+ { RPC_TASK_SOFTCONN, "SOFTCONN" }, \
+ { RPC_TASK_SENT, "SENT" }, \
+ { RPC_TASK_TIMEOUT, "TIMEOUT" }, \
+ { RPC_TASK_NOCONNECT, "NOCONNECT" }, \
+ { RPC_TASK_NO_RETRANS_TIMEOUT, "NORTO" })
+
+TRACE_DEFINE_ENUM(RPC_TASK_RUNNING);
+TRACE_DEFINE_ENUM(RPC_TASK_QUEUED);
+TRACE_DEFINE_ENUM(RPC_TASK_ACTIVE);
+TRACE_DEFINE_ENUM(RPC_TASK_NEED_XMIT);
+TRACE_DEFINE_ENUM(RPC_TASK_NEED_RECV);
+TRACE_DEFINE_ENUM(RPC_TASK_MSG_PIN_WAIT);
+
+#define rpc_show_runstate(flags) \
+ __print_flags(flags, "|", \
+ { (1UL << RPC_TASK_RUNNING), "RUNNING" }, \
+ { (1UL << RPC_TASK_QUEUED), "QUEUED" }, \
+ { (1UL << RPC_TASK_ACTIVE), "ACTIVE" }, \
+ { (1UL << RPC_TASK_NEED_XMIT), "NEED_XMIT" }, \
+ { (1UL << RPC_TASK_NEED_RECV), "NEED_RECV" }, \
+ { (1UL << RPC_TASK_MSG_PIN_WAIT), "MSG_PIN_WAIT" })
+
DECLARE_EVENT_CLASS(rpc_task_running,
TP_PROTO(const struct rpc_task *task, const void *action),
@@ -102,10 +146,10 @@ DECLARE_EVENT_CLASS(rpc_task_running,
__entry->flags = task->tk_flags;
),
- TP_printk("task:%u@%d flags=%4.4x state=%4.4lx status=%d action=%pf",
+ TP_printk("task:%u@%d flags=%s runstate=%s status=%d action=%pf",
__entry->task_id, __entry->client_id,
- __entry->flags,
- __entry->runstate,
+ rpc_show_task_flags(__entry->flags),
+ rpc_show_runstate(__entry->runstate),
__entry->status,
__entry->action
)
@@ -149,10 +193,10 @@ DECLARE_EVENT_CLASS(rpc_task_queued,
__assign_str(q_name, rpc_qname(q));
),
- TP_printk("task:%u@%d flags=%4.4x state=%4.4lx status=%d timeout=%lu queue=%s",
+ TP_printk("task:%u@%d flags=%s runstate=%s status=%d timeout=%lu queue=%s",
__entry->task_id, __entry->client_id,
- __entry->flags,
- __entry->runstate,
+ rpc_show_task_flags(__entry->flags),
+ rpc_show_runstate(__entry->runstate),
__entry->status,
__entry->timeout,
__get_str(q_name)