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SUNRPC: Display symbolic flag names in RPC trace events

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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>
This commit is contained in:
Chuck Lever 2019-02-11 11:24:00 -05:00 committed by Anna Schumaker
parent e340c2d6ef
commit 6f70138336
1 changed files with 50 additions and 6 deletions
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56
include/trace/events/sunrpc.h
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@ -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)