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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-01-20 14:52:23 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-01-31 19:28:21 -0500 |
| commit | 82b0a4c3c171b180629696e8d1d5f52516f711e6 (patch) | |
| tree | 60aab7bc3a767e3c017a228597eaaeedeffe4c00 /net/sunrpc | |
| parent | a613fa168afc19179a7547fbba45644c5b6912bf (diff) | |
| download | linux-stable-82b0a4c3c171b180629696e8d1d5f52516f711e6.tar.gz linux-stable-82b0a4c3c171b180629696e8d1d5f52516f711e6.tar.bz2 linux-stable-82b0a4c3c171b180629696e8d1d5f52516f711e6.zip | |
SUNRPC: Add trace events to the sunrpc subsystem
Add declarations to allow tracing of RPC call creation, running, sleeping,
and destruction.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/sched.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index f982dfe53993..d79c63df49b8 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -28,6 +28,9 @@ #define RPCDBG_FACILITY RPCDBG_SCHED #endif +#define CREATE_TRACE_POINTS +#include <trace/events/sunrpc.h> + /* * RPC slabs and memory pools */ @@ -251,6 +254,8 @@ static inline void rpc_task_set_debuginfo(struct rpc_task *task) static void rpc_set_active(struct rpc_task *task) { + trace_rpc_task_begin(task->tk_client, task, NULL); + rpc_task_set_debuginfo(task); set_bit(RPC_TASK_ACTIVE, &task->tk_runstate); } @@ -267,6 +272,8 @@ static int rpc_complete_task(struct rpc_task *task) unsigned long flags; int ret; + trace_rpc_task_complete(task->tk_client, task, NULL); + spin_lock_irqsave(&wq->lock, flags); clear_bit(RPC_TASK_ACTIVE, &task->tk_runstate); ret = atomic_dec_and_test(&task->tk_count); @@ -324,6 +331,8 @@ static void __rpc_sleep_on_priority(struct rpc_wait_queue *q, dprintk("RPC: %5u sleep_on(queue \"%s\" time %lu)\n", task->tk_pid, rpc_qname(q), jiffies); + trace_rpc_task_sleep(task->tk_client, task, q); + __rpc_add_wait_queue(q, task, queue_priority); BUG_ON(task->tk_callback != NULL); @@ -378,6 +387,8 @@ static void __rpc_do_wake_up_task(struct rpc_wait_queue *queue, struct rpc_task return; } + trace_rpc_task_wakeup(task->tk_client, task, queue); + __rpc_remove_wait_queue(queue, task); rpc_make_runnable(task); @@ -701,6 +712,7 @@ static void __rpc_execute(struct rpc_task *task) if (do_action == NULL) break; } + trace_rpc_task_run_action(task->tk_client, task, task->tk_action); do_action(task); /* |