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SUNRPC: Add trace events to the sunrpc subsystem

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Add declarations to allow tracing of RPC call creation, running, sleeping,
and destruction.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2012-01-20 14:52:23 -05:00
parent a613fa168a
commit 82b0a4c3c1
3 changed files with 137 additions and 1 deletions
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124
include/trace/events/sunrpc.h Normal file
View File

@@ -0,0 +1,124 @@
#undef TRACE_SYSTEM
#define TRACE_SYSTEM sunrpc
#if !defined(_TRACE_SUNRPC_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SUNRPC_H
#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/clnt.h>
#include <linux/tracepoint.h>
DECLARE_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_STRUCT__entry(
__field(const struct rpc_clnt *, clnt)
__field(const struct rpc_task *, task)
__field(const void *, action)
__field(unsigned long, runstate)
__field(int, status)
__field(unsigned short, flags)
),
TP_fast_assign(
__entry->clnt = clnt;
__entry->task = task;
__entry->action = action;
__entry->runstate = task->tk_runstate;
__entry->status = task->tk_status;
__entry->flags = task->tk_flags;
),
TP_printk("task:%p@%p flags=%4.4x state=%4.4lx status=%d action=%pf",
__entry->task,
__entry->clnt,
__entry->flags,
__entry->runstate,
__entry->status,
__entry->action
)
);
DEFINE_EVENT(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)
);
DEFINE_EVENT(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)
);
DEFINE_EVENT(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)
);
DECLARE_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_STRUCT__entry(
__field(const struct rpc_clnt *, clnt)
__field(const struct rpc_task *, task)
__field(const struct rpc_wait_queue *, queue)
__field(unsigned long, timeout)
__field(unsigned long, runstate)
__field(int, status)
__field(unsigned short, flags)
),
TP_fast_assign(
__entry->clnt = clnt;
__entry->task = task;
__entry->queue = q;
__entry->timeout = task->tk_timeout;
__entry->runstate = task->tk_runstate;
__entry->status = task->tk_status;
__entry->flags = task->tk_flags;
),
TP_printk("task:%p@%p flags=%4.4x state=%4.4lx status=%d timeout=%lu queue=%s",
__entry->task,
__entry->clnt,
__entry->flags,
__entry->runstate,
__entry->status,
__entry->timeout,
rpc_qname(__entry->queue)
)
);
DEFINE_EVENT(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)
);
DEFINE_EVENT(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 /* _TRACE_SUNRPC_H */
#include <trace/define_trace.h>