Merge branch 'master' into for-2.6.35

Conflicts:
	fs/ext3/fsync.c

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

8 files changed, 452 insertions, 124 deletions

diff --git a/include/trace/define_trace.h b/include/trace/define_trace.h
index 5acfb1e..1dfab54 100644
--- a/include/trace/define_trace.h
+++ b/include/trace/define_trace.h
@@ -65,6 +65,10 @@
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
+/* Make all open coded DECLARE_TRACE nops */
+#undef DECLARE_TRACE
+#define DECLARE_TRACE(name, proto, args)
+
 #ifdef CONFIG_EVENT_TRACING
 #include <trace/ftrace.h>
 #endif
@@ -75,6 +79,7 @@
 #undef DEFINE_EVENT
 #undef DEFINE_EVENT_PRINT
 #undef TRACE_HEADER_MULTI_READ
+#undef DECLARE_TRACE
 
 /* Only undef what we defined in this file */
 #ifdef UNDEF_TRACE_INCLUDE_FILE
diff --git a/include/trace/events/lock.h b/include/trace/events/lock.h
index 5c1dcfc..2821b86 100644
--- a/include/trace/events/lock.h
+++ b/include/trace/events/lock.h
@@ -35,15 +35,15 @@ TRACE_EVENT(lock_acquire,
 		  __get_str(name))
 );
 
-TRACE_EVENT(lock_release,
+DECLARE_EVENT_CLASS(lock,
 
-	TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
+	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
-	TP_ARGS(lock, nested, ip),
+	TP_ARGS(lock, ip),
 
 	TP_STRUCT__entry(
-		__string(name, lock->name)
-		__field(void *, lockdep_addr)
+		__string(	name, 	lock->name	)
+		__field(	void *, lockdep_addr	)
 	),
 
 	TP_fast_assign(
@@ -51,51 +51,30 @@ TRACE_EVENT(lock_release,
 		__entry->lockdep_addr = lock;
 	),
 
-	TP_printk("%p %s",
-		  __entry->lockdep_addr, __get_str(name))
+	TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
 );
 
-#ifdef CONFIG_LOCK_STAT
-
-TRACE_EVENT(lock_contended,
+DEFINE_EVENT(lock, lock_release,
 
 	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
-	TP_ARGS(lock, ip),
+	TP_ARGS(lock, ip)
+);
 
-	TP_STRUCT__entry(
-		__string(name, lock->name)
-		__field(void *, lockdep_addr)
-	),
+#ifdef CONFIG_LOCK_STAT
 
-	TP_fast_assign(
-		__assign_str(name, lock->name);
-		__entry->lockdep_addr = lock;
-	),
+DEFINE_EVENT(lock, lock_contended,
 
-	TP_printk("%p %s",
-		  __entry->lockdep_addr, __get_str(name))
-);
+	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
-TRACE_EVENT(lock_acquired,
-	TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
+	TP_ARGS(lock, ip)
+);
 
-	TP_ARGS(lock, ip, waittime),
+DEFINE_EVENT(lock, lock_acquired,
 
-	TP_STRUCT__entry(
-		__string(name, lock->name)
-		__field(s64, wait_nsec)
-		__field(void *, lockdep_addr)
-	),
+	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
-	TP_fast_assign(
-		__assign_str(name, lock->name);
-		__entry->wait_nsec = waittime;
-		__entry->lockdep_addr = lock;
-	),
-	TP_printk("%p %s (%llu ns)", __entry->lockdep_addr,
-		  __get_str(name),
-		  __entry->wait_nsec)
+	TP_ARGS(lock, ip)
 );
 
 #endif
diff --git a/include/trace/events/module.h b/include/trace/events/module.h
index 4b0f48b..c7bb2f0 100644
--- a/include/trace/events/module.h
+++ b/include/trace/events/module.h
@@ -51,11 +51,14 @@ TRACE_EVENT(module_free,
 	TP_printk("%s", __get_str(name))
 );
 
+#ifdef CONFIG_MODULE_UNLOAD
+/* trace_module_get/put are only used if CONFIG_MODULE_UNLOAD is defined */
+
 DECLARE_EVENT_CLASS(module_refcnt,
 
-	TP_PROTO(struct module *mod, unsigned long ip, int refcnt),
+	TP_PROTO(struct module *mod, unsigned long ip),
 
-	TP_ARGS(mod, ip, refcnt),
+	TP_ARGS(mod, ip),
 
 	TP_STRUCT__entry(
 		__field(	unsigned long,	ip		)
@@ -65,7 +68,7 @@ DECLARE_EVENT_CLASS(module_refcnt,
 
 	TP_fast_assign(
 		__entry->ip	= ip;
-		__entry->refcnt	= refcnt;
+		__entry->refcnt	= __this_cpu_read(mod->refptr->incs) + __this_cpu_read(mod->refptr->decs);
 		__assign_str(name, mod->name);
 	),
 
@@ -75,17 +78,18 @@ DECLARE_EVENT_CLASS(module_refcnt,
 
 DEFINE_EVENT(module_refcnt, module_get,
 
-	TP_PROTO(struct module *mod, unsigned long ip, int refcnt),
+	TP_PROTO(struct module *mod, unsigned long ip),
 
-	TP_ARGS(mod, ip, refcnt)
+	TP_ARGS(mod, ip)
 );
 
 DEFINE_EVENT(module_refcnt, module_put,
 
-	TP_PROTO(struct module *mod, unsigned long ip, int refcnt),
+	TP_PROTO(struct module *mod, unsigned long ip),
 
-	TP_ARGS(mod, ip, refcnt)
+	TP_ARGS(mod, ip)
 );
+#endif /* CONFIG_MODULE_UNLOAD */
 
 TRACE_EVENT(module_request,
 
diff --git a/include/trace/events/napi.h b/include/trace/events/napi.h
index a8989c4..188deca 100644
--- a/include/trace/events/napi.h
+++ b/include/trace/events/napi.h
@@ -1,4 +1,7 @@
-#ifndef _TRACE_NAPI_H_
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM napi
+
+#if !defined(_TRACE_NAPI_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_NAPI_H_
 
 #include <linux/netdevice.h>
@@ -8,4 +11,7 @@ DECLARE_TRACE(napi_poll,
 	TP_PROTO(struct napi_struct *napi),
 	TP_ARGS(napi));
 
-#endif
+#endif /* _TRACE_NAPI_H_ */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index cfceb0b..4f733ec 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -51,15 +51,12 @@ TRACE_EVENT(sched_kthread_stop_ret,
 
 /*
  * Tracepoint for waiting on task to unschedule:
- *
- * (NOTE: the 'rq' argument is not used by generic trace events,
- *        but used by the latency tracer plugin. )
  */
 TRACE_EVENT(sched_wait_task,
 
-	TP_PROTO(struct rq *rq, struct task_struct *p),
+	TP_PROTO(struct task_struct *p),
 
-	TP_ARGS(rq, p),
+	TP_ARGS(p),
 
 	TP_STRUCT__entry(
 		__array(	char,	comm,	TASK_COMM_LEN	)
@@ -79,15 +76,12 @@ TRACE_EVENT(sched_wait_task,
 
 /*
  * Tracepoint for waking up a task:
- *
- * (NOTE: the 'rq' argument is not used by generic trace events,
- *        but used by the latency tracer plugin. )
  */
 DECLARE_EVENT_CLASS(sched_wakeup_template,
 
-	TP_PROTO(struct rq *rq, struct task_struct *p, int success),
+	TP_PROTO(struct task_struct *p, int success),
 
-	TP_ARGS(rq, p, success),
+	TP_ARGS(p, success),
 
 	TP_STRUCT__entry(
 		__array(	char,	comm,	TASK_COMM_LEN	)
@@ -111,31 +105,25 @@ DECLARE_EVENT_CLASS(sched_wakeup_template,
 );
 
 DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
-	     TP_PROTO(struct rq *rq, struct task_struct *p, int success),
-	     TP_ARGS(rq, p, success));
+	     TP_PROTO(struct task_struct *p, int success),
+	     TP_ARGS(p, success));
 
 /*
  * Tracepoint for waking up a new task:
- *
- * (NOTE: the 'rq' argument is not used by generic trace events,
- *        but used by the latency tracer plugin. )
  */
 DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
-	     TP_PROTO(struct rq *rq, struct task_struct *p, int success),
-	     TP_ARGS(rq, p, success));
+	     TP_PROTO(struct task_struct *p, int success),
+	     TP_ARGS(p, success));
 
 /*
  * Tracepoint for task switches, performed by the scheduler:
- *
- * (NOTE: the 'rq' argument is not used by generic trace events,
- *        but used by the latency tracer plugin. )
  */
 TRACE_EVENT(sched_switch,
 
-	TP_PROTO(struct rq *rq, struct task_struct *prev,
+	TP_PROTO(struct task_struct *prev,
 		 struct task_struct *next),
 
-	TP_ARGS(rq, prev, next),
+	TP_ARGS(prev, next),
 
 	TP_STRUCT__entry(
 		__array(	char,	prev_comm,	TASK_COMM_LEN	)
diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
new file mode 100644
index 0000000..25fbefd
--- /dev/null
+++ b/include/trace/events/scsi.h
@@ -0,0 +1,345 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM scsi
+
+#if !defined(_TRACE_SCSI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SCSI_H
+
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_host.h>
+#include <linux/tracepoint.h>
+#include <linux/trace_seq.h>
+
+#define scsi_opcode_name(opcode)	{ opcode, #opcode }
+#define show_opcode_name(val)					\
+	__print_symbolic(val,					\
+		scsi_opcode_name(TEST_UNIT_READY),		\
+		scsi_opcode_name(REZERO_UNIT),			\
+		scsi_opcode_name(REQUEST_SENSE),		\
+		scsi_opcode_name(FORMAT_UNIT),			\
+		scsi_opcode_name(READ_BLOCK_LIMITS),		\
+		scsi_opcode_name(REASSIGN_BLOCKS),		\
+		scsi_opcode_name(INITIALIZE_ELEMENT_STATUS),	\
+		scsi_opcode_name(READ_6),			\
+		scsi_opcode_name(WRITE_6),			\
+		scsi_opcode_name(SEEK_6),			\
+		scsi_opcode_name(READ_REVERSE),			\
+		scsi_opcode_name(WRITE_FILEMARKS),		\
+		scsi_opcode_name(SPACE),			\
+		scsi_opcode_name(INQUIRY),			\
+		scsi_opcode_name(RECOVER_BUFFERED_DATA),	\
+		scsi_opcode_name(MODE_SELECT),			\
+		scsi_opcode_name(RESERVE),			\
+		scsi_opcode_name(RELEASE),			\
+		scsi_opcode_name(COPY),				\
+		scsi_opcode_name(ERASE),			\
+		scsi_opcode_name(MODE_SENSE),			\
+		scsi_opcode_name(START_STOP),			\
+		scsi_opcode_name(RECEIVE_DIAGNOSTIC),		\
+		scsi_opcode_name(SEND_DIAGNOSTIC),		\
+		scsi_opcode_name(ALLOW_MEDIUM_REMOVAL),		\
+		scsi_opcode_name(SET_WINDOW),			\
+		scsi_opcode_name(READ_CAPACITY),		\
+		scsi_opcode_name(READ_10),			\
+		scsi_opcode_name(WRITE_10),			\
+		scsi_opcode_name(SEEK_10),			\
+		scsi_opcode_name(POSITION_TO_ELEMENT),		\
+		scsi_opcode_name(WRITE_VERIFY),			\
+		scsi_opcode_name(VERIFY),			\
+		scsi_opcode_name(SEARCH_HIGH),			\
+		scsi_opcode_name(SEARCH_EQUAL),			\
+		scsi_opcode_name(SEARCH_LOW),			\
+		scsi_opcode_name(SET_LIMITS),			\
+		scsi_opcode_name(PRE_FETCH),			\
+		scsi_opcode_name(READ_POSITION),		\
+		scsi_opcode_name(SYNCHRONIZE_CACHE),		\
+		scsi_opcode_name(LOCK_UNLOCK_CACHE),		\
+		scsi_opcode_name(READ_DEFECT_DATA),		\
+		scsi_opcode_name(MEDIUM_SCAN),			\
+		scsi_opcode_name(COMPARE),			\
+		scsi_opcode_name(COPY_VERIFY),			\
+		scsi_opcode_name(WRITE_BUFFER),			\
+		scsi_opcode_name(READ_BUFFER),			\
+		scsi_opcode_name(UPDATE_BLOCK),			\
+		scsi_opcode_name(READ_LONG),			\
+		scsi_opcode_name(WRITE_LONG),			\
+		scsi_opcode_name(CHANGE_DEFINITION),		\
+		scsi_opcode_name(WRITE_SAME),			\
+		scsi_opcode_name(UNMAP),			\
+		scsi_opcode_name(READ_TOC),			\
+		scsi_opcode_name(LOG_SELECT),			\
+		scsi_opcode_name(LOG_SENSE),			\
+		scsi_opcode_name(XDWRITEREAD_10),		\
+		scsi_opcode_name(MODE_SELECT_10),		\
+		scsi_opcode_name(RESERVE_10),			\
+		scsi_opcode_name(RELEASE_10),			\
+		scsi_opcode_name(MODE_SENSE_10),		\
+		scsi_opcode_name(PERSISTENT_RESERVE_IN),	\
+		scsi_opcode_name(PERSISTENT_RESERVE_OUT),	\
+		scsi_opcode_name(VARIABLE_LENGTH_CMD),		\
+		scsi_opcode_name(REPORT_LUNS),			\
+		scsi_opcode_name(MAINTENANCE_IN),		\
+		scsi_opcode_name(MAINTENANCE_OUT),		\
+		scsi_opcode_name(MOVE_MEDIUM),			\
+		scsi_opcode_name(EXCHANGE_MEDIUM),		\
+		scsi_opcode_name(READ_12),			\
+		scsi_opcode_name(WRITE_12),			\
+		scsi_opcode_name(WRITE_VERIFY_12),		\
+		scsi_opcode_name(SEARCH_HIGH_12),		\
+		scsi_opcode_name(SEARCH_EQUAL_12),		\
+		scsi_opcode_name(SEARCH_LOW_12),		\
+		scsi_opcode_name(READ_ELEMENT_STATUS),		\
+		scsi_opcode_name(SEND_VOLUME_TAG),		\
+		scsi_opcode_name(WRITE_LONG_2),			\
+		scsi_opcode_name(READ_16),			\
+		scsi_opcode_name(WRITE_16),			\
+		scsi_opcode_name(VERIFY_16),			\
+		scsi_opcode_name(WRITE_SAME_16),		\
+		scsi_opcode_name(SERVICE_ACTION_IN),		\
+		scsi_opcode_name(SAI_READ_CAPACITY_16),		\
+		scsi_opcode_name(SAI_GET_LBA_STATUS),		\
+		scsi_opcode_name(MI_REPORT_TARGET_PGS),		\
+		scsi_opcode_name(MO_SET_TARGET_PGS),		\
+		scsi_opcode_name(READ_32),			\
+		scsi_opcode_name(WRITE_32),			\
+		scsi_opcode_name(WRITE_SAME_32),		\
+		scsi_opcode_name(ATA_16),			\
+		scsi_opcode_name(ATA_12))
+
+#define scsi_hostbyte_name(result)	{ result, #result }
+#define show_hostbyte_name(val)					\
+	__print_symbolic(val,					\
+		scsi_hostbyte_name(DID_OK),			\
+		scsi_hostbyte_name(DID_NO_CONNECT),		\
+		scsi_hostbyte_name(DID_BUS_BUSY),		\
+		scsi_hostbyte_name(DID_TIME_OUT),		\
+		scsi_hostbyte_name(DID_BAD_TARGET),		\
+		scsi_hostbyte_name(DID_ABORT),			\
+		scsi_hostbyte_name(DID_PARITY),			\
+		scsi_hostbyte_name(DID_ERROR),			\
+		scsi_hostbyte_name(DID_RESET),			\
+		scsi_hostbyte_name(DID_BAD_INTR),		\
+		scsi_hostbyte_name(DID_PASSTHROUGH),		\
+		scsi_hostbyte_name(DID_SOFT_ERROR),		\
+		scsi_hostbyte_name(DID_IMM_RETRY),		\
+		scsi_hostbyte_name(DID_REQUEUE),		\
+		scsi_hostbyte_name(DID_TRANSPORT_DISRUPTED),	\
+		scsi_hostbyte_name(DID_TRANSPORT_FAILFAST))
+
+#define scsi_driverbyte_name(result)	{ result, #result }
+#define show_driverbyte_name(val)				\
+	__print_symbolic(val,					\
+		scsi_driverbyte_name(DRIVER_OK),		\
+		scsi_driverbyte_name(DRIVER_BUSY),		\
+		scsi_driverbyte_name(DRIVER_SOFT),		\
+		scsi_driverbyte_name(DRIVER_MEDIA),		\
+		scsi_driverbyte_name(DRIVER_ERROR),		\
+		scsi_driverbyte_name(DRIVER_INVALID),		\
+		scsi_driverbyte_name(DRIVER_TIMEOUT),		\
+		scsi_driverbyte_name(DRIVER_HARD),		\
+		scsi_driverbyte_name(DRIVER_SENSE))
+
+#define scsi_msgbyte_name(result)	{ result, #result }
+#define show_msgbyte_name(val)					\
+	__print_symbolic(val,					\
+		scsi_msgbyte_name(COMMAND_COMPLETE),		\
+		scsi_msgbyte_name(EXTENDED_MESSAGE),		\
+		scsi_msgbyte_name(SAVE_POINTERS),		\
+		scsi_msgbyte_name(RESTORE_POINTERS),		\
+		scsi_msgbyte_name(DISCONNECT),			\
+		scsi_msgbyte_name(INITIATOR_ERROR),		\
+		scsi_msgbyte_name(ABORT_TASK_SET),		\
+		scsi_msgbyte_name(MESSAGE_REJECT),		\
+		scsi_msgbyte_name(NOP),				\
+		scsi_msgbyte_name(MSG_PARITY_ERROR),		\
+		scsi_msgbyte_name(LINKED_CMD_COMPLETE),		\
+		scsi_msgbyte_name(LINKED_FLG_CMD_COMPLETE),	\
+		scsi_msgbyte_name(TARGET_RESET),		\
+		scsi_msgbyte_name(ABORT_TASK),			\
+		scsi_msgbyte_name(CLEAR_TASK_SET),		\
+		scsi_msgbyte_name(INITIATE_RECOVERY),		\
+		scsi_msgbyte_name(RELEASE_RECOVERY),		\
+		scsi_msgbyte_name(CLEAR_ACA),			\
+		scsi_msgbyte_name(LOGICAL_UNIT_RESET),		\
+		scsi_msgbyte_name(SIMPLE_QUEUE_TAG),		\
+		scsi_msgbyte_name(HEAD_OF_QUEUE_TAG),		\
+		scsi_msgbyte_name(ORDERED_QUEUE_TAG),		\
+		scsi_msgbyte_name(IGNORE_WIDE_RESIDUE),		\
+		scsi_msgbyte_name(ACA),				\
+		scsi_msgbyte_name(QAS_REQUEST),			\
+		scsi_msgbyte_name(BUS_DEVICE_RESET),		\
+		scsi_msgbyte_name(ABORT))
+
+#define scsi_statusbyte_name(result)	{ result, #result }
+#define show_statusbyte_name(val)				\
+	__print_symbolic(val,					\
+		scsi_statusbyte_name(SAM_STAT_GOOD),		\
+		scsi_statusbyte_name(SAM_STAT_CHECK_CONDITION),	\
+		scsi_statusbyte_name(SAM_STAT_CONDITION_MET),	\
+		scsi_statusbyte_name(SAM_STAT_BUSY),		\
+		scsi_statusbyte_name(SAM_STAT_INTERMEDIATE),	\
+		scsi_statusbyte_name(SAM_STAT_INTERMEDIATE_CONDITION_MET), \
+		scsi_statusbyte_name(SAM_STAT_RESERVATION_CONFLICT),	\
+		scsi_statusbyte_name(SAM_STAT_COMMAND_TERMINATED),	\
+		scsi_statusbyte_name(SAM_STAT_TASK_SET_FULL),	\
+		scsi_statusbyte_name(SAM_STAT_ACA_ACTIVE),	\
+		scsi_statusbyte_name(SAM_STAT_TASK_ABORTED))
+
+const char *scsi_trace_parse_cdb(struct trace_seq*, unsigned char*, int);
+#define __parse_cdb(cdb, len) scsi_trace_parse_cdb(p, cdb, len)
+
+TRACE_EVENT(scsi_dispatch_cmd_start,
+
+	TP_PROTO(struct scsi_cmnd *cmd),
+
+	TP_ARGS(cmd),
+
+	TP_STRUCT__entry(
+		__field( unsigned int,	host_no	)
+		__field( unsigned int,	channel	)
+		__field( unsigned int,	id	)
+		__field( unsigned int,	lun	)
+		__field( unsigned int,	opcode	)
+		__field( unsigned int,	cmd_len )
+		__field( unsigned int,	data_sglen )
+		__field( unsigned int,	prot_sglen )
+		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
+	),
+
+	TP_fast_assign(
+		__entry->host_no	= cmd->device->host->host_no;
+		__entry->channel	= cmd->device->channel;
+		__entry->id		= cmd->device->id;
+		__entry->lun		= cmd->device->lun;
+		__entry->opcode		= cmd->cmnd[0];
+		__entry->cmd_len	= cmd->cmd_len;
+		__entry->data_sglen	= scsi_sg_count(cmd);
+		__entry->prot_sglen	= scsi_prot_sg_count(cmd);
+		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
+	),
+
+	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
+		  " cmnd=(%s %s raw=%s)",
+		  __entry->host_no, __entry->channel, __entry->id,
+		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
+		  show_opcode_name(__entry->opcode),
+		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
+		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len))
+);
+
+TRACE_EVENT(scsi_dispatch_cmd_error,
+
+	TP_PROTO(struct scsi_cmnd *cmd, int rtn),
+
+	TP_ARGS(cmd, rtn),
+
+	TP_STRUCT__entry(
+		__field( unsigned int,	host_no	)
+		__field( unsigned int,	channel	)
+		__field( unsigned int,	id	)
+		__field( unsigned int,	lun	)
+		__field( int,		rtn	)
+		__field( unsigned int,	opcode	)
+		__field( unsigned int,	cmd_len )
+		__field( unsigned int,	data_sglen )
+		__field( unsigned int,	prot_sglen )
+		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
+	),
+
+	TP_fast_assign(
+		__entry->host_no	= cmd->device->host->host_no;
+		__entry->channel	= cmd->device->channel;
+		__entry->id		= cmd->device->id;
+		__entry->lun		= cmd->device->lun;
+		__entry->rtn		= rtn;
+		__entry->opcode		= cmd->cmnd[0];
+		__entry->cmd_len	= cmd->cmd_len;
+		__entry->data_sglen	= scsi_sg_count(cmd);
+		__entry->prot_sglen	= scsi_prot_sg_count(cmd);
+		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
+	),
+
+	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
+		  " cmnd=(%s %s raw=%s) rtn=%d",
+		  __entry->host_no, __entry->channel, __entry->id,
+		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
+		  show_opcode_name(__entry->opcode),
+		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
+		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
+		  __entry->rtn)
+);
+
+DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,
+
+	TP_PROTO(struct scsi_cmnd *cmd),
+
+	TP_ARGS(cmd),
+
+	TP_STRUCT__entry(
+		__field( unsigned int,	host_no	)
+		__field( unsigned int,	channel	)
+		__field( unsigned int,	id	)
+		__field( unsigned int,	lun	)
+		__field( int,		result	)
+		__field( unsigned int,	opcode	)
+		__field( unsigned int,	cmd_len )
+		__field( unsigned int,	data_sglen )
+		__field( unsigned int,	prot_sglen )
+		__dynamic_array(unsigned char,	cmnd, cmd->cmd_len)
+	),
+
+	TP_fast_assign(
+		__entry->host_no	= cmd->device->host->host_no;
+		__entry->channel	= cmd->device->channel;
+		__entry->id		= cmd->device->id;
+		__entry->lun		= cmd->device->lun;
+		__entry->result		= cmd->result;
+		__entry->opcode		= cmd->cmnd[0];
+		__entry->cmd_len	= cmd->cmd_len;
+		__entry->data_sglen	= scsi_sg_count(cmd);
+		__entry->prot_sglen	= scsi_prot_sg_count(cmd);
+		memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
+	),
+
+	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u " \
+		  "prot_sgl=%u cmnd=(%s %s raw=%s) result=(driver=%s host=%s " \
+		  "message=%s status=%s)",
+		  __entry->host_no, __entry->channel, __entry->id,
+		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
+		  show_opcode_name(__entry->opcode),
+		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
+		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
+		  show_driverbyte_name(((__entry->result) >> 24) & 0xff),
+		  show_hostbyte_name(((__entry->result) >> 16) & 0xff),
+		  show_msgbyte_name(((__entry->result) >> 8) & 0xff),
+		  show_statusbyte_name(__entry->result & 0xff))
+);
+
+DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_done,
+	     TP_PROTO(struct scsi_cmnd *cmd),
+	     TP_ARGS(cmd));
+
+DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_timeout,
+	     TP_PROTO(struct scsi_cmnd *cmd),
+	     TP_ARGS(cmd));
+
+TRACE_EVENT(scsi_eh_wakeup,
+
+	TP_PROTO(struct Scsi_Host *shost),
+
+	TP_ARGS(shost),
+
+	TP_STRUCT__entry(
+		__field( unsigned int,	host_no	)
+	),
+
+	TP_fast_assign(
+		__entry->host_no	= shost->host_no;
+	),
+
+	TP_printk("host_no=%u", __entry->host_no)
+);
+
+#endif /*  _TRACE_SCSI_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/signal.h b/include/trace/events/signal.h
index a510b75..814566c 100644
--- a/include/trace/events/signal.h
+++ b/include/trace/events/signal.h
@@ -100,18 +100,7 @@ TRACE_EVENT(signal_deliver,
 		  __entry->sa_handler, __entry->sa_flags)
 );
 
-/**
- * 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.
- */
-TRACE_EVENT(signal_overflow_fail,
+DECLARE_EVENT_CLASS(signal_queue_overflow,
 
 	TP_PROTO(int sig, int group, struct siginfo *info),
 
@@ -135,6 +124,24 @@ TRACE_EVENT(signal_overflow_fail,
 );
 
 /**
+ * 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)
@@ -145,28 +152,13 @@ TRACE_EVENT(signal_overflow_fail,
  * 'group' is not 0 if the signal will be sent to a process group.
  * 'sig' is always one of non-RT signals.
  */
-TRACE_EVENT(signal_lose_info,
+DEFINE_EVENT(signal_queue_overflow, signal_lose_info,
 
 	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)
+	TP_ARGS(sig, group, info)
 );
+
 #endif /* _TRACE_SIGNAL_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index ea6f9d4..88c59c13 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -154,9 +154,11 @@
  *
  *	field = (typeof(field))entry;
  *
- *	p = get_cpu_var(ftrace_event_seq);
+ *	p = &get_cpu_var(ftrace_event_seq);
  *	trace_seq_init(p);
- *	ret = trace_seq_printf(s, <TP_printk> "\n");
+ *	ret = trace_seq_printf(s, "%s: ", <call>);
+ *	if (ret)
+ *		ret = trace_seq_printf(s, <TP_printk> "\n");
  *	put_cpu();
  *	if (!ret)
  *		return TRACE_TYPE_PARTIAL_LINE;
@@ -198,6 +200,9 @@
 		ftrace_print_symbols_seq(p, value, symbols);		\
 	})
 
+#undef __print_hex
+#define __print_hex(buf, buf_len) ftrace_print_hex_seq(p, buf, buf_len)
+
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
 static notrace enum print_line_t					\
@@ -450,38 +455,38 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
  *
  * static void ftrace_raw_event_<call>(proto)
  * {
+ *	struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
  *	struct ring_buffer_event *event;
  *	struct ftrace_raw_<call> *entry; <-- defined in stage 1
  *	struct ring_buffer *buffer;
  *	unsigned long irq_flags;
+ *	int __data_size;
  *	int pc;
  *
  *	local_save_flags(irq_flags);
  *	pc = preempt_count();
  *
+ *	__data_size = ftrace_get_offsets_<call>(&__data_offsets, args);
+ *
  *	event = trace_current_buffer_lock_reserve(&buffer,
  *				  event_<call>.id,
- *				  sizeof(struct ftrace_raw_<call>),
+ *				  sizeof(*entry) + __data_size,
  *				  irq_flags, pc);
  *	if (!event)
  *		return;
  *	entry	= ring_buffer_event_data(event);
  *
- *	<assign>;  <-- Here we assign the entries by the __field and
- *			__array macros.
+ *	{ <assign>; }  <-- Here we assign the entries by the __field and
+ *			   __array macros.
  *
- *	trace_current_buffer_unlock_commit(buffer, event, irq_flags, pc);
+ *	if (!filter_current_check_discard(buffer, event_call, entry, event))
+ *		trace_current_buffer_unlock_commit(buffer,
+ *						   event, irq_flags, pc);
  * }
  *
  * static int ftrace_raw_reg_event_<call>(struct ftrace_event_call *unused)
  * {
- *	int ret;
- *
- *	ret = register_trace_<call>(ftrace_raw_event_<call>);
- *	if (!ret)
- *		pr_info("event trace: Could not activate trace point "
- *			"probe to <call>");
- *	return ret;
+ *	return register_trace_<call>(ftrace_raw_event_<call>);
  * }
  *
  * static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused)
@@ -493,6 +498,8 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
  *	.trace			= ftrace_raw_output_<call>, <-- stage 2
  * };
  *
+ * static const char print_fmt_<call>[] = <TP_printk>;
+ *
  * static struct ftrace_event_call __used
  * __attribute__((__aligned__(4)))
  * __attribute__((section("_ftrace_events"))) event_<call> = {
@@ -501,6 +508,8 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
  *	.raw_init		= trace_event_raw_init,
  *	.regfunc		= ftrace_reg_event_<call>,
  *	.unregfunc		= ftrace_unreg_event_<call>,
+ *	.print_fmt		= print_fmt_<call>,
+ *	.define_fields		= ftrace_define_fields_<call>,
  * }
  *
  */
@@ -569,7 +578,6 @@ ftrace_raw_event_id_##call(struct ftrace_event_call *event_call,	\
 		return;							\
 	entry	= ring_buffer_event_data(event);			\
 									\
-									\
 	tstruct								\
 									\
 	{ assign; }							\
@@ -758,13 +766,12 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
 static notrace void							\
 perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
-			    proto)					\
+			struct pt_regs *__regs, proto)			\
 {									\
 	struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
 	struct ftrace_raw_##call *entry;				\
 	u64 __addr = 0, __count = 1;					\
 	unsigned long irq_flags;					\
-	struct pt_regs *__regs;						\
 	int __entry_size;						\
 	int __data_size;						\
 	int rctx;							\
@@ -785,20 +792,22 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
 									\
 	{ assign; }							\
 									\
-	__regs = &__get_cpu_var(perf_trace_regs);			\
-	perf_fetch_caller_regs(__regs, 2);				\
-									\
 	perf_trace_buf_submit(entry, __entry_size, rctx, __addr,	\
 			       __count, irq_flags, __regs);		\
 }
 
 #undef DEFINE_EVENT
-#define DEFINE_EVENT(template, call, proto, args)		\
-static notrace void perf_trace_##call(proto)			\
-{								\
-	struct ftrace_event_call *event_call = &event_##call;	\
-								\
-	perf_trace_templ_##template(event_call, args);		\
+#define DEFINE_EVENT(template, call, proto, args)			\
+static notrace void perf_trace_##call(proto)				\
+{									\
+	struct ftrace_event_call *event_call = &event_##call;		\
+	struct pt_regs *__regs = &get_cpu_var(perf_trace_regs);		\
+									\
+	perf_fetch_caller_regs(__regs, 1);				\
+									\
+	perf_trace_templ_##template(event_call, __regs, args);		\
+									\
+	put_cpu_var(perf_trace_regs);					\
 }
 
 #undef DEFINE_EVENT_PRINT