Fix: RHEL 7.1 block instrumentation
[lttng-modules.git] / instrumentation / events / lttng-module / block.h
index 2af4fb326ba911e2d686a932069d0cd54e68fdc8..424fbc14908ea512c1f684c359666a526d2f1d96 100644 (file)
@@ -1,12 +1,12 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM block
 
-#if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_BLOCK_H
+#if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_BLOCK_H
 
+#include "../../../probes/lttng-tracepoint-event.h"
 #include <linux/blktrace_api.h>
 #include <linux/blkdev.h>
-#include <linux/tracepoint.h>
 #include <linux/trace_seq.h>
 #include <linux/version.h>
 
@@ -99,7 +99,7 @@ enum {
 #endif
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
-DECLARE_EVENT_CLASS(block_buffer,
+LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer,
 
        TP_PROTO(struct buffer_head *bh),
 
@@ -129,7 +129,7 @@ DECLARE_EVENT_CLASS(block_buffer,
  *
  * Called from touch_buffer().
  */
-DEFINE_EVENT(block_buffer, block_touch_buffer,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer,
 
        TP_PROTO(struct buffer_head *bh),
 
@@ -142,7 +142,7 @@ DEFINE_EVENT(block_buffer, block_touch_buffer,
  *
  * Called from mark_buffer_dirty().
  */
-DEFINE_EVENT(block_buffer, block_dirty_buffer,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer,
 
        TP_PROTO(struct buffer_head *bh),
 
@@ -150,7 +150,7 @@ DEFINE_EVENT(block_buffer, block_dirty_buffer,
 )
 #endif
 
-DECLARE_EVENT_CLASS(block_rq_with_error,
+LTTNG_TRACEPOINT_EVENT_CLASS(block_rq_with_error,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
@@ -198,7 +198,7 @@ DECLARE_EVENT_CLASS(block_rq_with_error,
  * can be examined to determine which device and sectors the pending
  * operation would access.
  */
-DEFINE_EVENT(block_rq_with_error, block_rq_abort,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
@@ -214,14 +214,20 @@ DEFINE_EVENT(block_rq_with_error, block_rq_abort,
  * @q.  For some reason the request was not completed and needs to be
  * put back in the queue.
  */
-DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
        TP_ARGS(q, rq)
 )
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5)      \
+       || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0)          \
+       || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0)          \
+       || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0)            \
+       || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0)            \
+       || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,31, 3,14,0,0)      \
+       || LTTNG_RHEL_KERNEL_RANGE(3,10,0,7,1, 3,11,0,0,0))
 
 /**
  * block_rq_complete - block IO operation completed by device driver
@@ -235,7 +241,7 @@ DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
  * do for the request. If @rq->bio is non-NULL then there is
  * additional work required to complete the request.
  */
-TRACE_EVENT(block_rq_complete,
+LTTNG_TRACEPOINT_EVENT(block_rq_complete,
 
        TP_PROTO(struct request_queue *q, struct request *rq,
                 unsigned int nr_bytes),
@@ -283,7 +289,7 @@ TRACE_EVENT(block_rq_complete,
  * do for the request. If @rq->bio is non-NULL then there is
  * additional work required to complete the request.
  */
-DEFINE_EVENT(block_rq_with_error, block_rq_complete,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
@@ -292,7 +298,7 @@ DEFINE_EVENT(block_rq_with_error, block_rq_complete,
 
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
 
-DECLARE_EVENT_CLASS(block_rq,
+LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
@@ -304,6 +310,7 @@ DECLARE_EVENT_CLASS(block_rq,
                __field(  unsigned int, nr_sector               )
                __field(  unsigned int, bytes                   )
                __field(  unsigned int, rwbs                    )
+               __field(  pid_t,        tid                     )
                __array_text(  char,         comm,   TASK_COMM_LEN   )
                __dynamic_array_hex( unsigned char,     cmd,
                        (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
@@ -322,16 +329,17 @@ DECLARE_EVENT_CLASS(block_rq,
                tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
                                        rq->cmd : NULL)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
        ),
 
-       TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
+       TP_printk("%d,%d %s %u (%s) %llu + %u [%s] %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __print_rwbs_flags(__entry->rwbs),
                  __entry->bytes,
                  __blk_dump_cmd(__get_dynamic_array(cmd),
                                 __get_dynamic_array_len(cmd)),
                  (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+                 __entry->nr_sector, __entry->comm, __entry->tid)
 )
 
 /**
@@ -344,7 +352,7 @@ DECLARE_EVENT_CLASS(block_rq,
  * be examined to determine which device and sectors the pending
  * operation would access.
  */
-DEFINE_EVENT(block_rq, block_rq_insert,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
@@ -359,7 +367,7 @@ DEFINE_EVENT(block_rq, block_rq_insert,
  * Called when block operation request @rq from queue @q is sent to a
  * device driver for processing.
  */
-DEFINE_EVENT(block_rq, block_rq_issue,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
@@ -377,7 +385,7 @@ DEFINE_EVENT(block_rq, block_rq_issue,
  * bounce buffer requires extra copying of data and decreases
  * performance.
  */
-TRACE_EVENT(block_bio_bounce,
+LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
 
        TP_PROTO(struct request_queue *q, struct bio *bio),
 
@@ -388,6 +396,7 @@ TRACE_EVENT(block_bio_bounce,
                __field( sector_t,      sector                  )
                __field( unsigned int,  nr_sector               )
                __field( unsigned int,  rwbs                    )
+               __field( pid_t,         tid                     )
                __array_text( char,             comm,   TASK_COMM_LEN   )
        ),
 
@@ -399,6 +408,7 @@ TRACE_EVENT(block_bio_bounce,
                tp_assign(nr_sector, bio_sectors(bio))
                blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
                tp_assign(dev, bio->bi_bdev ?
                                          bio->bi_bdev->bd_dev : 0)
@@ -406,14 +416,15 @@ TRACE_EVENT(block_bio_bounce,
                tp_assign(nr_sector, bio->bi_size >> 9)
                blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
        ),
 
-       TP_printk("%d,%d %s %llu + %u [%s]",
+       TP_printk("%d,%d %s %llu + %u [%s] %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __print_rwbs_flags(__entry->rwbs),
                  (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+                 __entry->nr_sector, __entry->comm, __entry->tid)
 )
 
 /**
@@ -425,7 +436,7 @@ TRACE_EVENT(block_bio_bounce,
  * This tracepoint indicates there is no further work to do on this
  * block IO operation @bio.
  */
-TRACE_EVENT(block_bio_complete,
+LTTNG_TRACEPOINT_EVENT(block_bio_complete,
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
        TP_PROTO(struct request_queue *q, struct bio *bio, int error),
@@ -473,7 +484,7 @@ TRACE_EVENT(block_bio_complete,
 )
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
-DECLARE_EVENT_CLASS(block_bio_merge,
+LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
 
        TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
 
@@ -484,6 +495,7 @@ DECLARE_EVENT_CLASS(block_bio_merge,
                __field( sector_t,      sector                  )
                __field( unsigned int,  nr_sector               )
                __field( unsigned int,  rwbs                    )
+               __field( pid_t,         tid                     )
                __array_text( char,             comm,   TASK_COMM_LEN   )
        ),
 
@@ -494,20 +506,22 @@ DECLARE_EVENT_CLASS(block_bio_merge,
                tp_assign(nr_sector, bio_sectors(bio))
                blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
                tp_assign(dev, bio->bi_bdev->bd_dev)
                tp_assign(sector, bio->bi_sector)
                tp_assign(nr_sector, bio->bi_size >> 9)
                blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
        ),
 
-       TP_printk("%d,%d %s %llu + %u [%s]",
+       TP_printk("%d,%d %s %llu + %u [%s] %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __print_rwbs_flags(__entry->rwbs),
                  (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+                 __entry->nr_sector, __entry->comm, __entry->tid)
 )
 
 /**
@@ -518,7 +532,7 @@ DECLARE_EVENT_CLASS(block_bio_merge,
  * Merging block request @bio to the end of an existing block request
  * in queue @q.
  */
-DEFINE_EVENT(block_bio_merge, block_bio_backmerge,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge,
 
        TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
 
@@ -533,7 +547,7 @@ DEFINE_EVENT(block_bio_merge, block_bio_backmerge,
  * Merging block IO operation @bio to the beginning of an existing block
  * operation in queue @q.
  */
-DEFINE_EVENT(block_bio_merge, block_bio_frontmerge,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge,
 
        TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
 
@@ -547,7 +561,7 @@ DEFINE_EVENT(block_bio_merge, block_bio_frontmerge,
  *
  * About to place the block IO operation @bio into queue @q.
  */
-TRACE_EVENT(block_bio_queue,
+LTTNG_TRACEPOINT_EVENT(block_bio_queue,
 
        TP_PROTO(struct request_queue *q, struct bio *bio),
 
@@ -557,8 +571,9 @@ TRACE_EVENT(block_bio_queue,
                __field( dev_t,         dev                     )
                __field( sector_t,      sector                  )
                __field( unsigned int,  nr_sector               )
-               __array( char,          rwbs,   RWBS_LEN        )
-               __array( char,          comm,   TASK_COMM_LEN   )
+               __field( unsigned int,  rwbs                    )
+               __field( pid_t,         tid                     )
+               __array_text( char,             comm,   TASK_COMM_LEN   )
        ),
 
        TP_fast_assign(
@@ -568,22 +583,24 @@ TRACE_EVENT(block_bio_queue,
                tp_assign(nr_sector, bio_sectors(bio))
                blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
                tp_assign(dev, bio->bi_bdev->bd_dev)
                tp_assign(sector, bio->bi_sector)
                tp_assign(nr_sector, bio->bi_size >> 9)
                blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
        ),
 
-       TP_printk("%d,%d %s %llu + %u [%s]",
+       TP_printk("%d,%d %s %llu + %u [%s] %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
                  (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+                 __entry->nr_sector, __entry->comm, __entry->tid)
 )
 #else
-DECLARE_EVENT_CLASS(block_bio,
+LTTNG_TRACEPOINT_EVENT_CLASS(block_bio,
 
        TP_PROTO(struct request_queue *q, struct bio *bio),
 
@@ -594,6 +611,7 @@ DECLARE_EVENT_CLASS(block_bio,
                __field( sector_t,      sector                  )
                __field( unsigned int,  nr_sector               )
                __field( unsigned int,  rwbs                    )
+               __field( pid_t,         tid                     )
                __array_text( char,             comm,   TASK_COMM_LEN   )
        ),
 
@@ -603,13 +621,14 @@ DECLARE_EVENT_CLASS(block_bio,
                tp_assign(nr_sector, bio->bi_size >> 9)
                blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
        ),
 
-       TP_printk("%d,%d %s %llu + %u [%s]",
+       TP_printk("%d,%d %s %llu + %u [%s] %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __print_rwbs_flags(__entry->rwbs),
                  (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+                 __entry->nr_sector, __entry->comm, __entry->tid)
 )
 
 /**
@@ -620,7 +639,7 @@ DECLARE_EVENT_CLASS(block_bio,
  * Merging block request @bio to the end of an existing block request
  * in queue @q.
  */
-DEFINE_EVENT(block_bio, block_bio_backmerge,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge,
 
        TP_PROTO(struct request_queue *q, struct bio *bio),
 
@@ -635,7 +654,7 @@ DEFINE_EVENT(block_bio, block_bio_backmerge,
  * Merging block IO operation @bio to the beginning of an existing block
  * operation in queue @q.
  */
-DEFINE_EVENT(block_bio, block_bio_frontmerge,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge,
 
        TP_PROTO(struct request_queue *q, struct bio *bio),
 
@@ -649,7 +668,7 @@ DEFINE_EVENT(block_bio, block_bio_frontmerge,
  *
  * About to place the block IO operation @bio into queue @q.
  */
-DEFINE_EVENT(block_bio, block_bio_queue,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue,
 
        TP_PROTO(struct request_queue *q, struct bio *bio),
 
@@ -657,7 +676,7 @@ DEFINE_EVENT(block_bio, block_bio_queue,
 )
 #endif
 
-DECLARE_EVENT_CLASS(block_get_rq,
+LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
 
        TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
 
@@ -668,6 +687,7 @@ DECLARE_EVENT_CLASS(block_get_rq,
                __field( sector_t,      sector                  )
                __field( unsigned int,  nr_sector               )
                __field( unsigned int,  rwbs                    )
+               __field( pid_t,         tid                     )
                __array_text( char,             comm,   TASK_COMM_LEN   )
         ),
 
@@ -679,6 +699,7 @@ DECLARE_EVENT_CLASS(block_get_rq,
                blk_fill_rwbs(rwbs, bio ? bio->bi_rw : 0,
                              bio ? bio_sectors(bio) : 0)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
                tp_assign(dev, bio ? bio->bi_bdev->bd_dev : 0)
                tp_assign(sector, bio ? bio->bi_sector : 0)
@@ -686,14 +707,15 @@ DECLARE_EVENT_CLASS(block_get_rq,
                blk_fill_rwbs(rwbs, bio ? bio->bi_rw : 0,
                              bio ? bio->bi_size >> 9 : 0)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
         ),
 
-       TP_printk("%d,%d %s %llu + %u [%s]",
+       TP_printk("%d,%d %s %llu + %u [%s] %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __print_rwbs_flags(__entry->rwbs),
                  (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+                 __entry->nr_sector, __entry->comm, __entry->tid)
 )
 
 /**
@@ -705,7 +727,7 @@ DECLARE_EVENT_CLASS(block_get_rq,
  * A request struct for queue @q has been allocated to handle the
  * block IO operation @bio.
  */
-DEFINE_EVENT(block_get_rq, block_getrq,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq,
 
        TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
 
@@ -723,7 +745,7 @@ DEFINE_EVENT(block_get_rq, block_getrq,
  * available.  This tracepoint event is generated each time the
  * process goes to sleep waiting for request struct become available.
  */
-DEFINE_EVENT(block_get_rq, block_sleeprq,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq,
 
        TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
 
@@ -738,24 +760,26 @@ DEFINE_EVENT(block_get_rq, block_sleeprq,
  * to be sent to the device driver. Instead, accumulate requests in
  * the queue to improve throughput performance of the block device.
  */
-TRACE_EVENT(block_plug,
+LTTNG_TRACEPOINT_EVENT(block_plug,
 
        TP_PROTO(struct request_queue *q),
 
        TP_ARGS(q),
 
        TP_STRUCT__entry(
+               __field( pid_t,         tid                     )
                __array_text( char,             comm,   TASK_COMM_LEN   )
        ),
 
        TP_fast_assign(
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
        ),
 
-       TP_printk("[%s]", __entry->comm)
+       TP_printk("[%s] %d", __entry->comm, __entry->tid)
 )
 
-DECLARE_EVENT_CLASS(block_unplug,
+LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug,
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
        TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
@@ -769,6 +793,7 @@ DECLARE_EVENT_CLASS(block_unplug,
 
        TP_STRUCT__entry(
                __field( int,           nr_rq                   )
+               __field( pid_t,         tid                     )
                __array_text( char,             comm,   TASK_COMM_LEN   )
        ),
 
@@ -779,9 +804,11 @@ DECLARE_EVENT_CLASS(block_unplug,
                tp_assign(nr_rq, q->rq.count[READ] + q->rq.count[WRITE])
 #endif
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
        ),
 
-       TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
+       TP_printk("[%s] %d %d", __entry->comm, , __entry->tid,
+                       __entry->nr_rq)
 )
 
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39))
@@ -792,7 +819,7 @@ DECLARE_EVENT_CLASS(block_unplug,
  * Unplug the request queue @q because a timer expired and allow block
  * operation requests to be sent to the device driver.
  */
-DEFINE_EVENT(block_unplug, block_unplug_timer,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_timer,
 
        TP_PROTO(struct request_queue *q),
 
@@ -810,9 +837,9 @@ DEFINE_EVENT(block_unplug, block_unplug_timer,
  * on elements in the request queue.
  */
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
-DEFINE_EVENT(block_unplug, block_unplug,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug,
 #else
-DEFINE_EVENT(block_unplug, block_unplug_io,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_io,
 #endif
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
@@ -837,7 +864,7 @@ DEFINE_EVENT(block_unplug, block_unplug_io,
  * @new_sector. This split may be required due to hardware limitation
  * such as operation crossing device boundaries in a RAID system.
  */
-TRACE_EVENT(block_split,
+LTTNG_TRACEPOINT_EVENT(block_split,
 
        TP_PROTO(struct request_queue *q, struct bio *bio,
                 unsigned int new_sector),
@@ -849,6 +876,7 @@ TRACE_EVENT(block_split,
                __field( sector_t,      sector                          )
                __field( sector_t,      new_sector                      )
                __field( unsigned int,  rwbs            )
+               __field( pid_t,         tid                     )
                __array_text( char,             comm,           TASK_COMM_LEN   )
        ),
 
@@ -859,21 +887,23 @@ TRACE_EVENT(block_split,
                tp_assign(new_sector, new_sector)
                blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
                tp_assign(dev, bio->bi_bdev->bd_dev)
                tp_assign(sector, bio->bi_sector)
                tp_assign(new_sector, new_sector)
                blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
                tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               tp_assign(tid, current->pid)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
        ),
 
-       TP_printk("%d,%d %s %llu / %llu [%s]",
+       TP_printk("%d,%d %s %llu / %llu [%s] %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __print_rwbs_flags(__entry->rwbs),
                  (unsigned long long)__entry->sector,
                  (unsigned long long)__entry->new_sector,
-                 __entry->comm)
+                 __entry->comm, __entry->tid)
 )
 
 /**
@@ -887,9 +917,9 @@ TRACE_EVENT(block_split,
  * raw block device.
  */
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
-TRACE_EVENT(block_bio_remap,
+LTTNG_TRACEPOINT_EVENT(block_bio_remap,
 #else
-TRACE_EVENT(block_remap,
+LTTNG_TRACEPOINT_EVENT(block_remap,
 #endif
 
        TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
@@ -945,7 +975,7 @@ TRACE_EVENT(block_remap,
  * operation request @rq holds the current information and @from hold
  * the original sector.
  */
-TRACE_EVENT(block_rq_remap,
+LTTNG_TRACEPOINT_EVENT(block_rq_remap,
 
        TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev,
                 sector_t from),
@@ -983,7 +1013,7 @@ TRACE_EVENT(block_rq_remap,
 #undef __print_rwbs_flags
 #undef blk_fill_rwbs
 
-#endif /* _TRACE_BLOCK_H */
+#endif /* LTTNG_TRACE_BLOCK_H */
 
 /* This part must be outside protection */
 #include "../../../probes/define_trace.h"
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