8 files changed, 349 insertions, 140 deletions

diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index 1bcc2a8c00e2..cae9a94f025d 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -65,7 +65,6 @@ TRACE_EVENT(machine_suspend,
         TP_printk("state=%lu", (unsigned long)__entry->state)
 );
 
-/* This code will be removed after deprecation time exceeded (2.6.41) */
 #ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
 
 /*
@@ -151,6 +150,8 @@ enum {
    events get removed */
 static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
 static inline void trace_power_end(u64 cpuid) {};
+static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
+static inline void trace_power_end_rcuidle(u64 cpuid) {};
 static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
 #endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
 
diff --git a/include/trace/events/printk.h b/include/trace/events/printk.h
new file mode 100644
index 000000000000..94ec79cc011a
--- /dev/null
+++ b/include/trace/events/printk.h
@@ -0,0 +1,41 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM printk
+
+#if !defined(_TRACE_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_PRINTK_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT_CONDITION(console,
+        TP_PROTO(const char *log_buf, unsigned start, unsigned end,
+                 unsigned log_buf_len),
+
+        TP_ARGS(log_buf, start, end, log_buf_len),
+
+        TP_CONDITION(start != end),
+
+        TP_STRUCT__entry(
+                __dynamic_array(char, msg, end - start + 1)
+        ),
+
+        TP_fast_assign(
+                if ((start & (log_buf_len - 1)) > (end & (log_buf_len - 1))) {
+                        memcpy(__get_dynamic_array(msg),
+                               log_buf + (start & (log_buf_len - 1)),
+                               log_buf_len - (start & (log_buf_len - 1)));
+                        memcpy((char *)__get_dynamic_array(msg) +
+                               log_buf_len - (start & (log_buf_len - 1)),
+                               log_buf, end & (log_buf_len - 1));
+                } else
+                        memcpy(__get_dynamic_array(msg),
+                               log_buf + (start & (log_buf_len - 1)),
+                               end - start);
+                ((char *)__get_dynamic_array(msg))[end - start] = 0;
+        ),
+
+        TP_printk("%s", __get_str(msg))
+);
+#endif /* _TRACE_PRINTK_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index d2d88bed891b..337099783f37 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -313,19 +313,22 @@ TRACE_EVENT(rcu_prep_idle,
 /*
  * Tracepoint for the registration of a single RCU callback function.
  * The first argument is the type of RCU, the second argument is
- * a pointer to the RCU callback itself, and the third element is the
- * new RCU callback queue length for the current CPU.
+ * a pointer to the RCU callback itself, the third element is the
+ * number of lazy callbacks queued, and the fourth element is the
+ * total number of callbacks queued.
  */
 TRACE_EVENT(rcu_callback,
 
-        TP_PROTO(char *rcuname, struct rcu_head *rhp, long qlen),
+        TP_PROTO(char *rcuname, struct rcu_head *rhp, long qlen_lazy,
+                 long qlen),
 
-        TP_ARGS(rcuname, rhp, qlen),
+        TP_ARGS(rcuname, rhp, qlen_lazy, qlen),
 
         TP_STRUCT__entry(
                 __field(char *, rcuname)
                 __field(void *, rhp)
                 __field(void *, func)
+                __field(long, qlen_lazy)
                 __field(long, qlen)
         ),
 
@@ -333,11 +336,13 @@ TRACE_EVENT(rcu_callback,
                 __entry->rcuname = rcuname;
                 __entry->rhp = rhp;
                 __entry->func = rhp->func;
+                __entry->qlen_lazy = qlen_lazy;
                 __entry->qlen = qlen;
         ),
 
-        TP_printk("%s rhp=%p func=%pf %ld",
-                  __entry->rcuname, __entry->rhp, __entry->func, __entry->qlen)
+        TP_printk("%s rhp=%p func=%pf %ld/%ld",
+                  __entry->rcuname, __entry->rhp, __entry->func,
+                  __entry->qlen_lazy, __entry->qlen)
 );
 
 /*
@@ -345,20 +350,21 @@ TRACE_EVENT(rcu_callback,
  * kfree() form.  The first argument is the RCU type, the second argument
  * is a pointer to the RCU callback, the third argument is the offset
  * of the callback within the enclosing RCU-protected data structure,
- * and the fourth argument is the new RCU callback queue length for the
- * current CPU.
+ * the fourth argument is the number of lazy callbacks queued, and the
+ * fifth argument is the total number of callbacks queued.
  */
 TRACE_EVENT(rcu_kfree_callback,
 
         TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset,
-                 long qlen),
+                 long qlen_lazy, long qlen),
 
-        TP_ARGS(rcuname, rhp, offset, qlen),
+        TP_ARGS(rcuname, rhp, offset, qlen_lazy, qlen),
 
         TP_STRUCT__entry(
                 __field(char *, rcuname)
                 __field(void *, rhp)
                 __field(unsigned long, offset)
+                __field(long, qlen_lazy)
                 __field(long, qlen)
         ),
 
@@ -366,41 +372,45 @@ TRACE_EVENT(rcu_kfree_callback,
                 __entry->rcuname = rcuname;
                 __entry->rhp = rhp;
                 __entry->offset = offset;
+                __entry->qlen_lazy = qlen_lazy;
                 __entry->qlen = qlen;
         ),
 
-        TP_printk("%s rhp=%p func=%ld %ld",
+        TP_printk("%s rhp=%p func=%ld %ld/%ld",
                   __entry->rcuname, __entry->rhp, __entry->offset,
-                  __entry->qlen)
+                  __entry->qlen_lazy, __entry->qlen)
 );
 
 /*
  * Tracepoint for marking the beginning rcu_do_batch, performed to start
  * RCU callback invocation.  The first argument is the RCU flavor,
- * the second is the total number of callbacks (including those that
- * are not yet ready to be invoked), and the third argument is the
- * current RCU-callback batch limit.
+ * the second is the number of lazy callbacks queued, the third is
+ * the total number of callbacks queued, and the fourth argument is
+ * the current RCU-callback batch limit.
  */
 TRACE_EVENT(rcu_batch_start,
 
-        TP_PROTO(char *rcuname, long qlen, int blimit),
+        TP_PROTO(char *rcuname, long qlen_lazy, long qlen, int blimit),
 
-        TP_ARGS(rcuname, qlen, blimit),
+        TP_ARGS(rcuname, qlen_lazy, qlen, blimit),
 
         TP_STRUCT__entry(
                 __field(char *, rcuname)
+                __field(long, qlen_lazy)
                 __field(long, qlen)
                 __field(int, blimit)
         ),
 
         TP_fast_assign(
                 __entry->rcuname = rcuname;
+                __entry->qlen_lazy = qlen_lazy;
                 __entry->qlen = qlen;
                 __entry->blimit = blimit;
         ),
 
-        TP_printk("%s CBs=%ld bl=%d",
-                  __entry->rcuname, __entry->qlen, __entry->blimit)
+        TP_printk("%s CBs=%ld/%ld bl=%d",
+                  __entry->rcuname, __entry->qlen_lazy, __entry->qlen,
+                  __entry->blimit)
 );
 
 /*
@@ -531,16 +541,21 @@ TRACE_EVENT(rcu_torture_read,
 #else /* #ifdef CONFIG_RCU_TRACE */
 
 #define trace_rcu_grace_period(rcuname, gpnum, gpevent) do { } while (0)
-#define trace_rcu_grace_period_init(rcuname, gpnum, level, grplo, grphi, qsmask) do { } while (0)
+#define trace_rcu_grace_period_init(rcuname, gpnum, level, grplo, grphi, \
+                                    qsmask) do { } while (0)
 #define trace_rcu_preempt_task(rcuname, pid, gpnum) do { } while (0)
 #define trace_rcu_unlock_preempted_task(rcuname, gpnum, pid) do { } while (0)
-#define trace_rcu_quiescent_state_report(rcuname, gpnum, mask, qsmask, level, grplo, grphi, gp_tasks) do { } while (0)
+#define trace_rcu_quiescent_state_report(rcuname, gpnum, mask, qsmask, level, \
+                                         grplo, grphi, gp_tasks) do { } \
+        while (0)
 #define trace_rcu_fqs(rcuname, gpnum, cpu, qsevent) do { } while (0)
 #define trace_rcu_dyntick(polarity, oldnesting, newnesting) do { } while (0)
 #define trace_rcu_prep_idle(reason) do { } while (0)
-#define trace_rcu_callback(rcuname, rhp, qlen) do { } while (0)
-#define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen) do { } while (0)
-#define trace_rcu_batch_start(rcuname, qlen, blimit) do { } while (0)
+#define trace_rcu_callback(rcuname, rhp, qlen_lazy, qlen) do { } while (0)
+#define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen_lazy, qlen) \
+        do { } while (0)
+#define trace_rcu_batch_start(rcuname, qlen_lazy, qlen, blimit) \
+        do { } while (0)
 #define trace_rcu_invoke_callback(rcuname, rhp) do { } while (0)
 #define trace_rcu_invoke_kfree_callback(rcuname, rhp, offset) do { } while (0)
 #define trace_rcu_batch_end(rcuname, callbacks_invoked, cb, nr, iit, risk) \
diff --git a/include/trace/events/regmap.h b/include/trace/events/regmap.h
index 50fe9ba61442..41a7dbd570e2 100644
--- a/include/trace/events/regmap.h
+++ b/include/trace/events/regmap.h
@@ -139,6 +139,42 @@ TRACE_EVENT(regcache_sync,
                   __get_str(type), __get_str(status))
 );
 
+DECLARE_EVENT_CLASS(regmap_bool,
+
+        TP_PROTO(struct device *dev, bool flag),
+
+        TP_ARGS(dev, flag),
+
+        TP_STRUCT__entry(
+                __string(       name,           dev_name(dev)   )
+                __field(        int,            flag            )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, dev_name(dev));
+                __entry->flag = flag;
+        ),
+
+        TP_printk("%s flag=%d", __get_str(name),
+                  (int)__entry->flag)
+);
+
+DEFINE_EVENT(regmap_bool, regmap_cache_only,
+
+        TP_PROTO(struct device *dev, bool flag),
+
+        TP_ARGS(dev, flag)
+
+);
+
+DEFINE_EVENT(regmap_bool, regmap_cache_bypass,
+
+        TP_PROTO(struct device *dev, bool flag),
+
+        TP_ARGS(dev, flag)
+
+);
+
 #endif /* _TRACE_REGMAP_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 6ba596b07a72..fbc7b1ad929b 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -6,6 +6,7 @@
 
 #include <linux/sched.h>
 #include <linux/tracepoint.h>
+#include <linux/binfmts.h>
 
 /*
  * Tracepoint for calling kthread_stop, performed to end a kthread:
@@ -276,6 +277,32 @@ TRACE_EVENT(sched_process_fork,
 );
 
 /*
+ * Tracepoint for exec:
+ */
+TRACE_EVENT(sched_process_exec,
+
+        TP_PROTO(struct task_struct *p, pid_t old_pid,
+                 struct linux_binprm *bprm),
+
+        TP_ARGS(p, old_pid, bprm),
+
+        TP_STRUCT__entry(
+                __string(       filename,       bprm->filename  )
+                __field(        pid_t,          pid             )
+                __field(        pid_t,          old_pid         )
+        ),
+
+        TP_fast_assign(
+                __assign_str(filename, bprm->filename);
+                __entry->pid            = p->pid;
+                __entry->old_pid        = p->pid;
+        ),
+
+        TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename),
+                  __entry->pid, __entry->old_pid)
+);
+
+/*
  * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
  *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
  */
@@ -370,56 +397,6 @@ TRACE_EVENT(sched_stat_runtime,
                         (unsigned long long)__entry->vruntime)
 );
 
-#ifdef CREATE_TRACE_POINTS
-static inline u64 trace_get_sleeptime(struct task_struct *tsk)
-{
-#ifdef CONFIG_SCHEDSTATS
-        u64 block, sleep;
-
-        block = tsk->se.statistics.block_start;
-        sleep = tsk->se.statistics.sleep_start;
-        tsk->se.statistics.block_start = 0;
-        tsk->se.statistics.sleep_start = 0;
-
-        return block ? block : sleep ? sleep : 0;
-#else
-        return 0;
-#endif
-}
-#endif
-
-/*
- * Tracepoint for accounting sleeptime (time the task is sleeping
- * or waiting for I/O).
- */
-TRACE_EVENT(sched_stat_sleeptime,
-
-        TP_PROTO(struct task_struct *tsk, u64 now),
-
-        TP_ARGS(tsk, now),
-
-        TP_STRUCT__entry(
-                __array( char,  comm,   TASK_COMM_LEN   )
-                __field( pid_t, pid                     )
-                __field( u64,   sleeptime               )
-        ),
-
-        TP_fast_assign(
-                memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
-                __entry->pid            = tsk->pid;
-                __entry->sleeptime = trace_get_sleeptime(tsk);
-                __entry->sleeptime = __entry->sleeptime ?
-                                now - __entry->sleeptime : 0;
-        )
-        TP_perf_assign(
-                __perf_count(__entry->sleeptime);
-        ),
-
-        TP_printk("comm=%s pid=%d sleeptime=%Lu [ns]",
-                        __entry->comm, __entry->pid,
-                        (unsigned long long)__entry->sleeptime)
-);
-
 /*
  * Tracepoint for showing priority inheritance modifying a tasks
  * priority.
diff --git a/include/trace/events/signal.h b/include/trace/events/signal.h
index 17df43464df0..39a8a430d90f 100644
--- a/include/trace/events/signal.h
+++ b/include/trace/events/signal.h
@@ -23,11 +23,23 @@
                 }                                               \
         } while (0)
 
+#ifndef TRACE_HEADER_MULTI_READ
+enum {
+        TRACE_SIGNAL_DELIVERED,
+        TRACE_SIGNAL_IGNORED,
+        TRACE_SIGNAL_ALREADY_PENDING,
+        TRACE_SIGNAL_OVERFLOW_FAIL,
+        TRACE_SIGNAL_LOSE_INFO,
+};
+#endif
+
 /**
  * signal_generate - called when a signal is generated
  * @sig: signal number
  * @info: pointer to struct siginfo
  * @task: pointer to struct task_struct
+ * @group: shared or private
+ * @result: TRACE_SIGNAL_*
  *
  * Current process sends a 'sig' signal to 'task' process with
  * 'info' siginfo. If 'info' is SEND_SIG_NOINFO or SEND_SIG_PRIV,
@@ -37,9 +49,10 @@
  */
 TRACE_EVENT(signal_generate,
 
-        TP_PROTO(int sig, struct siginfo *info, struct task_struct *task),
+        TP_PROTO(int sig, struct siginfo *info, struct task_struct *task,
+                        int group, int result),
 
-        TP_ARGS(sig, info, task),
+        TP_ARGS(sig, info, task, group, result),
 
         TP_STRUCT__entry(
                 __field(        int,    sig                     )
@@ -47,6 +60,8 @@ TRACE_EVENT(signal_generate,
                 __field(        int,    code                    )
                 __array(        char,   comm,   TASK_COMM_LEN   )
                 __field(        pid_t,  pid                     )
+                __field(        int,    group                   )
+                __field(        int,    result                  )
         ),
 
         TP_fast_assign(
@@ -54,11 +69,14 @@ TRACE_EVENT(signal_generate,
                 TP_STORE_SIGINFO(__entry, info);
                 memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
                 __entry->pid    = task->pid;
+                __entry->group  = group;
+                __entry->result = result;
         ),
 
-        TP_printk("sig=%d errno=%d code=%d comm=%s pid=%d",
+        TP_printk("sig=%d errno=%d code=%d comm=%s pid=%d grp=%d res=%d",
                   __entry->sig, __entry->errno, __entry->code,
-                  __entry->comm, __entry->pid)
+                  __entry->comm, __entry->pid, __entry->group,
+                  __entry->result)
 );
 
 /**
@@ -101,65 +119,6 @@ TRACE_EVENT(signal_deliver,
                   __entry->sa_handler, __entry->sa_flags)
 );
 
-DECLARE_EVENT_CLASS(signal_queue_overflow,
-
-        TP_PROTO(int sig, int group, struct siginfo *info),
-
-        TP_ARGS(sig, group, info),
-
-        TP_STRUCT__entry(
-                __field(        int,    sig     )
-                __field(        int,    group   )
-                __field(        int,    errno   )
-                __field(        int,    code    )
-        ),
-
-        TP_fast_assign(
-                __entry->sig    = sig;
-                __entry->group  = group;
-                TP_STORE_SIGINFO(__entry, info);
-        ),
-
-        TP_printk("sig=%d group=%d errno=%d code=%d",
-                  __entry->sig, __entry->group, __entry->errno, __entry->code)
-);
-
-/**
- * signal_overflow_fail - called when signal queue is overflow
- * @sig: signal number
- * @group: signal to process group or not (bool)
- * @info: pointer to struct siginfo
- *
- * Kernel fails to generate 'sig' signal with 'info' siginfo, because
- * siginfo queue is overflow, and the signal is dropped.
- * 'group' is not 0 if the signal will be sent to a process group.
- * 'sig' is always one of RT signals.
- */
-DEFINE_EVENT(signal_queue_overflow, signal_overflow_fail,
-
-        TP_PROTO(int sig, int group, struct siginfo *info),
-
-        TP_ARGS(sig, group, info)
-);
-
-/**
- * signal_lose_info - called when siginfo is lost
- * @sig: signal number
- * @group: signal to process group or not (bool)
- * @info: pointer to struct siginfo
- *
- * Kernel generates 'sig' signal but loses 'info' siginfo, because siginfo
- * queue is overflow.
- * 'group' is not 0 if the signal will be sent to a process group.
- * 'sig' is always one of non-RT signals.
- */
-DEFINE_EVENT(signal_queue_overflow, signal_lose_info,
-
-        TP_PROTO(int sig, int group, struct siginfo *info),
-
-        TP_ARGS(sig, group, info)
-);
-
 #endif /* _TRACE_SIGNAL_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
new file mode 100644
index 000000000000..43be87d5dd58
--- /dev/null
+++ b/include/trace/events/sunrpc.h
@@ -0,0 +1,177 @@
+#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_status,
+
+        TP_PROTO(struct rpc_task *task),
+
+        TP_ARGS(task),
+
+        TP_STRUCT__entry(
+                __field(const struct rpc_task *, task)
+                __field(const struct rpc_clnt *, clnt)
+                __field(int, status)
+        ),
+
+        TP_fast_assign(
+                __entry->task = task;
+                __entry->clnt = task->tk_client;
+                __entry->status = task->tk_status;
+        ),
+
+        TP_printk("task:%p@%p, status %d",__entry->task, __entry->clnt, __entry->status)
+);
+
+DEFINE_EVENT(rpc_task_status, rpc_call_status,
+        TP_PROTO(struct rpc_task *task),
+
+        TP_ARGS(task)
+);
+
+DEFINE_EVENT(rpc_task_status, rpc_bind_status,
+        TP_PROTO(struct rpc_task *task),
+
+        TP_ARGS(task)
+);
+
+TRACE_EVENT(rpc_connect_status,
+        TP_PROTO(struct rpc_task *task, int status),
+
+        TP_ARGS(task, status),
+
+        TP_STRUCT__entry(
+                __field(const struct rpc_task *, task)
+                __field(const struct rpc_clnt *, clnt)
+                __field(int, status)
+        ),
+
+        TP_fast_assign(
+                __entry->task = task;
+                __entry->clnt = task->tk_client;
+                __entry->status = status;
+        ),
+
+        TP_printk("task:%p@%p, status %d",__entry->task, __entry->clnt, __entry->status)
+);
+
+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(unsigned long, timeout)
+                __field(unsigned long, runstate)
+                __field(int, status)
+                __field(unsigned short, flags)
+                __string(q_name, rpc_qname(q))
+                ),
+
+        TP_fast_assign(
+                __entry->clnt = clnt;
+                __entry->task = task;
+                __entry->timeout = task->tk_timeout;
+                __entry->runstate = task->tk_runstate;
+                __entry->status = task->tk_status;
+                __entry->flags = task->tk_flags;
+                __assign_str(q_name, rpc_qname(q));
+                ),
+
+        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,
+                __get_str(q_name)
+                )
+);
+
+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>
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 2d0dd3e03e41..7b81887b023f 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -46,7 +46,10 @@ DECLARE_EVENT_CLASS(writeback_work_class,
                 __field(int, reason)
         ),
         TP_fast_assign(
-                strncpy(__entry->name, dev_name(bdi->dev), 32);
+                struct device *dev = bdi->dev;
+                if (!dev)
+                        dev = default_backing_dev_info.dev;
+                strncpy(__entry->name, dev_name(dev), 32);
                 __entry->nr_pages = work->nr_pages;
                 __entry->sb_dev = work->sb ? work->sb->s_dev : 0;
                 __entry->sync_mode = work->sync_mode;
@@ -425,7 +428,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template,
 
         TP_fast_assign(
                 strncpy(__entry->name,
-                        dev_name(inode->i_mapping->backing_dev_info->dev), 32);
+                        dev_name(inode_to_bdi(inode)->dev), 32);
                 __entry->ino            = inode->i_ino;
                 __entry->state          = inode->i_state;
                 __entry->dirtied_when   = inode->dirtied_when;