Fix: update block instrumentation for kernel 4.14
[lttng-modules.git] / instrumentation / events / lttng-module / block.h
index 8d267979bfa0d94ada28a3f76fb3820486a3e275..80ea25cadd40076ece8484d356eae18703dd95d9 100644 (file)
@@ -1,22 +1,22 @@
 #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>
 
-#define RWBS_LEN       8
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
+#include <scsi/scsi_request.h>
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
 
 #ifndef _TRACE_BLOCK_DEF_
 #define _TRACE_BLOCK_DEF_
 
-#define __blk_dump_cmd(cmd, len)       "<unknown>"
-
 enum {
        RWBS_FLAG_WRITE         = (1 << 0),
        RWBS_FLAG_DISCARD       = (1 << 1),
@@ -28,27 +28,48 @@ enum {
        RWBS_FLAG_SECURE        = (1 << 7),
        RWBS_FLAG_FLUSH         = (1 << 8),
        RWBS_FLAG_FUA           = (1 << 9),
+       RWBS_FLAG_PREFLUSH      = (1 << 10),
 };
 
 #endif /* _TRACE_BLOCK_DEF_ */
 
-#define __print_rwbs_flags(rwbs)               \
-       __print_flags(rwbs, "",                 \
-               { RWBS_FLAG_FLUSH, "F" },       \
-               { RWBS_FLAG_WRITE, "W" },       \
-               { RWBS_FLAG_DISCARD, "D" },     \
-               { RWBS_FLAG_READ, "R" },        \
-               { RWBS_FLAG_FUA, "F" },         \
-               { RWBS_FLAG_RAHEAD, "A" },      \
-               { RWBS_FLAG_BARRIER, "B" },     \
-               { RWBS_FLAG_SYNC, "S" },        \
-               { RWBS_FLAG_META, "M" },        \
-               { RWBS_FLAG_SECURE, "E" })
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
-
-#define blk_fill_rwbs(rwbs, rw, bytes)                                       \
-               tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :             \
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+#define lttng_bio_dev(bio) bio_dev(bio)
+#else
+#define lttng_bio_dev(bio) ((bio)->bi_bdev ? (bio)->bi_bdev->bd_dev : 0)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
+
+#define lttng_req_op(rq)       req_op(rq)
+#define lttng_req_rw(rq)       ((rq)->cmd_flags)
+#define lttng_bio_op(bio)      bio_op(bio)
+#define lttng_bio_rw(bio)      ((bio)->bi_opf)
+
+#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes)                              \
+               ctf_integer(type, rwbs,                                       \
+                       (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \
+                       ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD :        \
+                       ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \
+                       ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH :            \
+                       ( (op) == REQ_OP_READ ? RWBS_FLAG_READ :              \
+                       ( 0 ))))))                                            \
+                       | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0)          \
+                       | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0)              \
+                       | ((rw) & REQ_META ? RWBS_FLAG_META : 0)              \
+                       | ((rw) & REQ_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0)      \
+                       | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
+
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
+
+#define lttng_req_op(rq)
+#define lttng_req_rw(rq)       ((rq)->cmd_flags)
+#define lttng_bio_op(bio)
+#define lttng_bio_rw(bio)      ((bio)->bi_rw)
+
+#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes)                              \
+               ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :     \
                        ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD :            \
                        ( (bytes) ? RWBS_FLAG_READ :                          \
                        ( 0 ))))                                              \
@@ -61,8 +82,13 @@ enum {
 
 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 
-#define blk_fill_rwbs(rwbs, rw, bytes)                                       \
-               tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :             \
+#define lttng_req_op(rq)
+#define lttng_req_rw(rq)       ((rq)->cmd_flags)
+#define lttng_bio_op(bio)
+#define lttng_bio_rw(bio)      ((bio)->bi_rw)
+
+#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes)                              \
+               ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :     \
                        ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD :            \
                        ( (bytes) ? RWBS_FLAG_READ :                          \
                        ( 0 ))))                                              \
@@ -73,8 +99,13 @@ enum {
 
 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 
-#define blk_fill_rwbs(rwbs, rw, bytes)                                       \
-               tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :             \
+#define lttng_req_op(rq)
+#define lttng_req_rw(rq)       ((rq)->cmd_flags)
+#define lttng_bio_op(bio)
+#define lttng_bio_rw(bio)      ((bio)->bi_rw)
+
+#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes)                              \
+               ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :     \
                        ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD :            \
                        ( (bytes) ? RWBS_FLAG_READ :                          \
                        ( 0 ))))                                              \
@@ -86,8 +117,13 @@ enum {
 
 #else
 
-#define blk_fill_rwbs(rwbs, rw, bytes)                                       \
-               tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :             \
+#define lttng_req_op(rq)
+#define lttng_req_rw(rq)       ((rq)->cmd_flags)
+#define lttng_bio_op(bio)
+#define lttng_bio_rw(bio)      ((bio)->bi_rw)
+
+#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes)                              \
+               ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :     \
                        ( (rw) & (1 << BIO_RW_DISCARD) ? RWBS_FLAG_DISCARD :  \
                        ( (bytes) ? RWBS_FLAG_READ :                          \
                        ( 0 ))))                                              \
@@ -99,27 +135,16 @@ 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),
 
        TP_ARGS(bh),
 
-       TP_STRUCT__entry (
-               __field(  dev_t,        dev                     )
-               __field(  sector_t,     sector                  )
-               __field(  size_t,       size                    )
-       ),
-
-       TP_fast_assign(
-               tp_assign(dev, bh->b_bdev->bd_dev)
-               tp_assign(sector, bh->b_blocknr)
-               tp_assign(size, bh->b_size)
-       ),
-
-       TP_printk("%d,%d sector=%llu size=%zu",
-               MAJOR(__entry->dev), MINOR(__entry->dev),
-               (unsigned long long)__entry->sector, __entry->size
+       TP_FIELDS (
+               ctf_integer(dev_t, dev, bh->b_bdev->bd_dev)
+               ctf_integer(sector_t, sector, bh->b_blocknr)
+               ctf_integer(size_t, size, bh->b_size)
        )
 )
 
@@ -129,7 +154,7 @@ 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 +167,7 @@ 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),
 
@@ -150,44 +175,97 @@ DEFINE_EVENT(block_buffer, block_dirty_buffer,
 )
 #endif
 
-DECLARE_EVENT_CLASS(block_rq_with_error,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
+/* block_rq_with_error event class removed in kernel 4.12 */
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
+LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
+
+       TP_PROTO(struct request_queue *q, struct request *rq),
+
+       TP_ARGS(q, rq),
+
+       TP_locvar(
+               sector_t sector;
+               unsigned int nr_sector;
+               unsigned char *cmd;
+               size_t cmd_len;
+       ),
+
+       TP_code_pre(
+               if (blk_rq_is_scsi(rq)) {
+                       struct scsi_request *scsi_rq = scsi_req(rq);
+                       tp_locvar->sector = 0;
+                       tp_locvar->nr_sector = 0;
+                       tp_locvar->cmd = scsi_rq->cmd;
+                       tp_locvar->cmd_len = scsi_rq->cmd_len;
+               } else {
+                       tp_locvar->sector = blk_rq_pos(rq);
+                       tp_locvar->nr_sector = blk_rq_sectors(rq);
+                       tp_locvar->cmd = NULL;
+                       tp_locvar->cmd_len = 0;
+               }
+       ),
+
+       TP_FIELDS(
+               ctf_integer(dev_t, dev,
+                       rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+               ctf_integer(sector_t, sector, tp_locvar->sector)
+               ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
+               ctf_integer(int, errors, rq->errors)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+               ctf_sequence_hex(unsigned char, cmd,
+                       tp_locvar->cmd, size_t, tp_locvar->cmd_len)
+       ),
+
+       TP_code_post()
+)
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
+LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
        TP_ARGS(q, rq),
 
-       TP_STRUCT__entry(
-               __field(  dev_t,        dev                     )
-               __field(  sector_t,     sector                  )
-               __field(  unsigned int, nr_sector               )
-               __field(  int,          errors                  )
-               __field(  unsigned int, rwbs                    )
-               __dynamic_array_hex( unsigned char,     cmd,
-                       (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
-                               rq->cmd_len : 0)
+       TP_locvar(
+               sector_t sector;
+               unsigned int nr_sector;
+               unsigned char *cmd;
+               size_t cmd_len;
+       ),
+
+       TP_code_pre(
+
+               if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
+                       tp_locvar->sector = 0;
+                       tp_locvar->nr_sector = 0;
+                       tp_locvar->cmd = rq->cmd;
+                       tp_locvar->cmd_len = rq->cmd_len;
+               } else {
+                       tp_locvar->sector = blk_rq_pos(rq);
+                       tp_locvar->nr_sector = blk_rq_sectors(rq);
+                       tp_locvar->cmd = NULL;
+                       tp_locvar->cmd_len = 0;
+               }
        ),
 
-       TP_fast_assign(
-               tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
-               tp_assign(sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
-                                       0 : blk_rq_pos(rq))
-               tp_assign(nr_sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
-                                       0 : blk_rq_sectors(rq))
-               tp_assign(errors, rq->errors)
-               blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq))
-               tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
-                                       rq->cmd : NULL)
+       TP_FIELDS(
+               ctf_integer(dev_t, dev,
+                       rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+               ctf_integer(sector_t, sector, tp_locvar->sector)
+               ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
+               ctf_integer(int, errors, rq->errors)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+               ctf_sequence_hex(unsigned char, cmd,
+                       tp_locvar->cmd, size_t, tp_locvar->cmd_len)
        ),
 
-       TP_printk("%d,%d %s (%s) %llu + %u [%d]",
-                 MAJOR(__entry->dev), MINOR(__entry->dev),
-                 __print_rwbs_flags(__entry->rwbs),
-                 __blk_dump_cmd(__get_dynamic_array(cmd),
-                                __get_dynamic_array_len(cmd)),
-                 (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->errors)
+       TP_code_post()
 )
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0))
 /**
  * block_rq_abort - abort block operation request
  * @q: queue containing the block operation request
@@ -198,12 +276,13 @@ 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),
 
        TP_ARGS(q, rq)
 )
+#endif
 
 /**
  * block_rq_requeue - place block IO request back on a queue
@@ -214,17 +293,36 @@ 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,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
+LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
+
+       TP_PROTO(struct request_queue *q, struct request *rq),
+
+       TP_ARGS(q, rq),
+
+       TP_FIELDS(
+               ctf_integer(dev_t, dev,
+                       rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+               ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
+               ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+       )
+)
+#else
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
        TP_ARGS(q, rq)
 )
+#endif
 
 /**
  * block_rq_complete - block IO operation completed by device driver
  * @q: queue containing the block operation request
  * @rq: block operations request
+ * @nr_bytes: number of completed bytes
  *
  * The block_rq_complete tracepoint event indicates that some portion
  * of operation request has been completed by the device driver.  If
@@ -232,54 +330,243 @@ 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.
  */
-DEFINE_EVENT(block_rq_with_error, block_rq_complete,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
+LTTNG_TRACEPOINT_EVENT(block_rq_complete,
+
+       TP_PROTO(struct request *rq, int error, unsigned int nr_bytes),
+
+       TP_ARGS(rq, error, nr_bytes),
+
+       TP_FIELDS(
+               ctf_integer(dev_t, dev,
+                       rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+               ctf_integer(sector_t, sector, blk_rq_pos(rq))
+               ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
+               ctf_integer(int, error, error)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
+       )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
+LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
+
+       TP_PROTO(struct request_queue *q, struct request *rq,
+                unsigned int nr_bytes),
+
+       TP_ARGS(q, rq, nr_bytes),
+
+       TP_locvar(
+               unsigned char *cmd;
+               size_t cmd_len;
+       ),
+
+       TP_code_pre(
+               if (blk_rq_is_scsi(rq)) {
+                       struct scsi_request *scsi_rq = scsi_req(rq);
+                       tp_locvar->cmd = scsi_rq->cmd;
+                       tp_locvar->cmd_len = scsi_rq->cmd_len;
+               } else {
+                       tp_locvar->cmd = NULL;
+                       tp_locvar->cmd_len = 0;
+               }
+       ),
+
+       TP_FIELDS(
+               ctf_integer(dev_t, dev,
+                       rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+               ctf_integer(sector_t, sector, blk_rq_pos(rq))
+               ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
+               ctf_integer(int, errors, rq->errors)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
+               ctf_sequence_hex(unsigned char, cmd,
+                       tp_locvar->cmd, size_t, tp_locvar->cmd_len)
+       ),
+
+       TP_code_post()
+)
+#elif (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(3,13,11,28, 3,14,0,0)      \
+       || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0))
+
+LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
+
+       TP_PROTO(struct request_queue *q, struct request *rq,
+                unsigned int nr_bytes),
+
+       TP_ARGS(q, rq, nr_bytes),
+
+       TP_locvar(
+               unsigned char *cmd;
+               size_t cmd_len;
+       ),
+
+       TP_code_pre(
+               if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
+                       tp_locvar->cmd = rq->cmd;
+                       tp_locvar->cmd_len = rq->cmd_len;
+               } else {
+                       tp_locvar->cmd = NULL;
+                       tp_locvar->cmd_len = 0;
+               }
+       ),
+
+       TP_FIELDS(
+               ctf_integer(dev_t, dev,
+                       rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+               ctf_integer(sector_t, sector, blk_rq_pos(rq))
+               ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
+               ctf_integer(int, errors, rq->errors)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
+               ctf_sequence_hex(unsigned char, cmd,
+                       tp_locvar->cmd, size_t, tp_locvar->cmd_len)
+       ),
+
+       TP_code_post()
+)
+
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
+
+/**
+ * block_rq_complete - block IO operation completed by device driver
+ * @q: queue containing the block operation request
+ * @rq: block operations request
+ *
+ * The block_rq_complete tracepoint event indicates that some portion
+ * of operation request has been completed by the device driver.  If
+ * the @rq->bio is %NULL, then there is absolutely no additional work to
+ * do for the request. If @rq->bio is non-NULL then there is
+ * additional work required to complete the request.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
        TP_ARGS(q, rq)
 )
 
-DECLARE_EVENT_CLASS(block_rq,
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
+
+       TP_PROTO(struct request_queue *q, struct request *rq),
+
+       TP_ARGS(q, rq),
+
+       TP_FIELDS(
+               ctf_integer(dev_t, dev,
+                       rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+               ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
+               ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
+               ctf_integer(unsigned int, bytes, blk_rq_bytes(rq))
+               ctf_integer(pid_t, tid, current->pid)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+       )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
+LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
+
+       TP_PROTO(struct request_queue *q, struct request *rq),
+
+       TP_ARGS(q, rq),
+
+       TP_locvar(
+               sector_t sector;
+               unsigned int nr_sector;
+               unsigned int bytes;
+               unsigned char *cmd;
+               size_t cmd_len;
+       ),
+
+       TP_code_pre(
+               if (blk_rq_is_scsi(rq)) {
+                       struct scsi_request *scsi_rq = scsi_req(rq);
+                       tp_locvar->sector = 0;
+                       tp_locvar->nr_sector = 0;
+                       tp_locvar->bytes = scsi_rq->resid_len;
+                       tp_locvar->cmd = scsi_rq->cmd;
+                       tp_locvar->cmd_len = scsi_rq->cmd_len;
+               } else {
+                       tp_locvar->sector = blk_rq_pos(rq);
+                       tp_locvar->nr_sector = blk_rq_sectors(rq);
+                       tp_locvar->bytes = 0;
+                       tp_locvar->cmd = NULL;
+                       tp_locvar->cmd_len = 0;
+               }
+       ),
+
+       TP_FIELDS(
+               ctf_integer(dev_t, dev,
+                       rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+               ctf_integer(sector_t, sector, tp_locvar->sector)
+               ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
+               ctf_integer(unsigned int, bytes, tp_locvar->bytes)
+               ctf_integer(pid_t, tid, current->pid)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+               ctf_sequence_hex(unsigned char, cmd,
+                       tp_locvar->cmd, size_t, tp_locvar->cmd_len)
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+       ),
+
+       TP_code_post()
+)
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
+LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
 
        TP_PROTO(struct request_queue *q, struct request *rq),
 
        TP_ARGS(q, rq),
 
-       TP_STRUCT__entry(
-               __field(  dev_t,        dev                     )
-               __field(  sector_t,     sector                  )
-               __field(  unsigned int, nr_sector               )
-               __field(  unsigned int, bytes                   )
-               __field(  unsigned int, rwbs                    )
-               __array_text(  char,         comm,   TASK_COMM_LEN   )
-               __dynamic_array_hex( unsigned char,     cmd,
-                       (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
-                               rq->cmd_len : 0)
+       TP_locvar(
+               sector_t sector;
+               unsigned int nr_sector;
+               unsigned int bytes;
+               unsigned char *cmd;
+               size_t cmd_len;
        ),
 
-       TP_fast_assign(
-               tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
-               tp_assign(sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
-                                       0 : blk_rq_pos(rq))
-               tp_assign(nr_sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
-                                       0 : blk_rq_sectors(rq))
-               tp_assign(bytes, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
-                                       blk_rq_bytes(rq) : 0)
-               blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq))
-               tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
-                                       rq->cmd : NULL)
-               tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+       TP_code_pre(
+               if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
+                       tp_locvar->sector = 0;
+                       tp_locvar->nr_sector = 0;
+                       tp_locvar->bytes = blk_rq_bytes(rq);
+                       tp_locvar->cmd = rq->cmd;
+                       tp_locvar->cmd_len = rq->cmd_len;
+               } else {
+                       tp_locvar->sector = blk_rq_pos(rq);
+                       tp_locvar->nr_sector = blk_rq_sectors(rq);
+                       tp_locvar->bytes = 0;
+                       tp_locvar->cmd = NULL;
+                       tp_locvar->cmd_len = 0;
+               }
        ),
 
-       TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
-                 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)
+       TP_FIELDS(
+               ctf_integer(dev_t, dev,
+                       rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+               ctf_integer(sector_t, sector, tp_locvar->sector)
+               ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
+               ctf_integer(unsigned int, bytes, tp_locvar->bytes)
+               ctf_integer(pid_t, tid, current->pid)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+               ctf_sequence_hex(unsigned char, cmd,
+                       tp_locvar->cmd, size_t, tp_locvar->cmd_len)
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+       ),
+
+       TP_code_post()
 )
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
 
 /**
  * block_rq_insert - insert block operation request into queue
@@ -291,7 +578,7 @@ 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),
 
@@ -306,7 +593,7 @@ 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),
 
@@ -324,43 +611,30 @@ 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),
 
        TP_ARGS(q, bio),
 
-       TP_STRUCT__entry(
-               __field( dev_t,         dev                     )
-               __field( sector_t,      sector                  )
-               __field( unsigned int,  nr_sector               )
-               __field( unsigned int,  rwbs                    )
-               __array_text( char,             comm,   TASK_COMM_LEN   )
-       ),
-
-       TP_fast_assign(
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, lttng_bio_dev(bio))
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
-               tp_assign(dev, bio->bi_bdev ?
-                                         bio->bi_bdev->bd_dev : 0)
-               tp_assign(sector, bio->bi_iter.bi_sector)
-               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)
+               ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio),
+                       bio->bi_iter.bi_size)
 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
-               tp_assign(dev, bio->bi_bdev ?
-                                         bio->bi_bdev->bd_dev : 0)
-               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)
+               ctf_integer(sector_t, sector, bio->bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio),
+                       bio->bi_size)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
-       ),
-
-       TP_printk("%d,%d %s %llu + %u [%s]",
-                 MAJOR(__entry->dev), MINOR(__entry->dev),
-                 __print_rwbs_flags(__entry->rwbs),
-                 (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+               ctf_integer(pid_t, tid, current->pid)
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+       )
 )
 
 /**
@@ -372,7 +646,7 @@ 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),
@@ -384,77 +658,53 @@ TRACE_EVENT(block_bio_complete,
        TP_ARGS(q, bio),
 #endif
 
-       TP_STRUCT__entry(
-               __field( dev_t,         dev             )
-               __field( sector_t,      sector          )
-               __field( unsigned,      nr_sector       )
-               __field( int,           error           )
-               __field( unsigned int,  rwbs            )
-       ),
-
-       TP_fast_assign(
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, lttng_bio_dev(bio))
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
-               tp_assign(dev, bio->bi_bdev->bd_dev)
-               tp_assign(sector, bio->bi_iter.bi_sector)
-               tp_assign(nr_sector, bio_sectors(bio))
-               tp_assign(error, error)
-               blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size)
+               ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+               ctf_integer(int, error, error)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio),
+                       bio->bi_iter.bi_size)
 #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)
+               ctf_integer(sector_t, sector, bio->bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
-               tp_assign(error, error)
+               ctf_integer(int, error, error)
 #else
-               tp_assign(error, 0)
+               ctf_integer(int, error, 0)
 #endif
-               blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
-       ),
-
-       TP_printk("%d,%d %s %llu + %u [%d]",
-                 MAJOR(__entry->dev), MINOR(__entry->dev),
-                 __print_rwbs_flags(__entry->rwbs),
-                 (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->error)
+       )
 )
 
 #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),
 
        TP_ARGS(q, rq, bio),
 
-       TP_STRUCT__entry(
-               __field( dev_t,         dev                     )
-               __field( sector_t,      sector                  )
-               __field( unsigned int,  nr_sector               )
-               __field( unsigned int,  rwbs                    )
-               __array_text( char,             comm,   TASK_COMM_LEN   )
-       ),
-
-       TP_fast_assign(
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, lttng_bio_dev(bio))
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
-               tp_assign(dev, bio->bi_bdev->bd_dev)
-               tp_assign(sector, bio->bi_iter.bi_sector)
-               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)
+               ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio),
+                       bio->bi_iter.bi_size)
 #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)
+               ctf_integer(sector_t, sector, bio->bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
-       ),
-
-       TP_printk("%d,%d %s %llu + %u [%s]",
-                 MAJOR(__entry->dev), MINOR(__entry->dev),
-                 __print_rwbs_flags(__entry->rwbs),
-                 (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+               ctf_integer(pid_t, tid, current->pid)
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+       )
 )
 
 /**
@@ -465,7 +715,7 @@ 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),
 
@@ -480,7 +730,7 @@ 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),
 
@@ -494,69 +744,46 @@ 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),
 
        TP_ARGS(q, bio),
 
-       TP_STRUCT__entry(
-               __field( dev_t,         dev                     )
-               __field( sector_t,      sector                  )
-               __field( unsigned int,  nr_sector               )
-               __array( char,          rwbs,   RWBS_LEN        )
-               __array( char,          comm,   TASK_COMM_LEN   )
-       ),
-
-       TP_fast_assign(
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, lttng_bio_dev(bio))
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
-               tp_assign(dev, bio->bi_bdev->bd_dev)
-               tp_assign(sector, bio->bi_iter.bi_sector)
-               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)
+               ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio),
+                       bio->bi_iter.bi_size)
 #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)
+               ctf_integer(sector_t, sector, bio->bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
-       ),
-
-       TP_printk("%d,%d %s %llu + %u [%s]",
-                 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
-                 (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+               ctf_integer(pid_t, tid, current->pid)
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+       )
 )
-#else
-DECLARE_EVENT_CLASS(block_bio,
+#else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
+LTTNG_TRACEPOINT_EVENT_CLASS(block_bio,
 
        TP_PROTO(struct request_queue *q, struct bio *bio),
 
        TP_ARGS(q, bio),
 
-       TP_STRUCT__entry(
-               __field( dev_t,         dev                     )
-               __field( sector_t,      sector                  )
-               __field( unsigned int,  nr_sector               )
-               __field( unsigned int,  rwbs                    )
-               __array_text( char,             comm,   TASK_COMM_LEN   )
-       ),
-
-       TP_fast_assign(
-               tp_assign(dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
-               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_printk("%d,%d %s %llu + %u [%s]",
-                 MAJOR(__entry->dev), MINOR(__entry->dev),
-                 __print_rwbs_flags(__entry->rwbs),
-                 (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, lttng_bio_dev(bio))
+               ctf_integer(sector_t, sector, bio->bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
+               ctf_integer(pid_t, tid, current->pid)
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+       )
 )
 
 /**
@@ -567,7 +794,7 @@ 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),
 
@@ -582,7 +809,7 @@ 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),
 
@@ -596,51 +823,42 @@ 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),
 
        TP_ARGS(q, bio)
 )
-#endif
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
 
-DECLARE_EVENT_CLASS(block_get_rq,
+LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
 
        TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
 
        TP_ARGS(q, bio, rw),
 
-       TP_STRUCT__entry(
-               __field( dev_t,         dev                     )
-               __field( sector_t,      sector                  )
-               __field( unsigned int,  nr_sector               )
-               __field( unsigned int,  rwbs                    )
-               __array_text( char,             comm,   TASK_COMM_LEN   )
-        ),
-
-       TP_fast_assign(
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, lttng_bio_dev(bio))
 #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_iter.bi_sector : 0)
-               tp_assign(nr_sector, bio ? bio_sectors(bio) : 0)
-               blk_fill_rwbs(rwbs, bio ? bio->bi_rw : 0,
-                             bio ? bio_sectors(bio) : 0)
-               tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0)
+               ctf_integer(unsigned int, nr_sector,
+                       bio ? bio_sectors(bio) : 0)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       bio ? lttng_bio_op(bio) : 0,
+                       bio ? lttng_bio_rw(bio) : 0,
+                       bio ? bio->bi_iter.bi_size : 0)
 #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)
-               tp_assign(nr_sector, bio ? bio->bi_size >> 9 : 0)
-               blk_fill_rwbs(rwbs, bio ? bio->bi_rw : 0,
-                             bio ? bio->bi_size >> 9 : 0)
-               tp_memcpy(comm, current->comm, TASK_COMM_LEN)
+               ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0)
+               ctf_integer(unsigned int, nr_sector,
+                       bio ? bio->bi_size >> 9 : 0)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       bio ? lttng_bio_op(bio) : 0,
+                       bio ? lttng_bio_rw(bio) : 0,
+                       bio ? bio->bi_size : 0)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
-        ),
-
-       TP_printk("%d,%d %s %llu + %u [%s]",
-                 MAJOR(__entry->dev), MINOR(__entry->dev),
-                 __print_rwbs_flags(__entry->rwbs),
-                 (unsigned long long)__entry->sector,
-                 __entry->nr_sector, __entry->comm)
+               ctf_integer(pid_t, tid, current->pid)
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+        )
 )
 
 /**
@@ -652,7 +870,7 @@ 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),
 
@@ -670,7 +888,7 @@ 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),
 
@@ -685,24 +903,19 @@ 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(
-               __array_text( char,             comm,   TASK_COMM_LEN   )
-       ),
-
-       TP_fast_assign(
-               tp_memcpy(comm, current->comm, TASK_COMM_LEN)
-       ),
-
-       TP_printk("[%s]", __entry->comm)
+       TP_FIELDS(
+               ctf_integer(pid_t, tid, current->pid)
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+       )
 )
 
-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),
@@ -714,21 +927,15 @@ DECLARE_EVENT_CLASS(block_unplug,
        TP_ARGS(q),
 #endif
 
-       TP_STRUCT__entry(
-               __field( int,           nr_rq                   )
-               __array_text( char,             comm,   TASK_COMM_LEN   )
-       ),
-
-       TP_fast_assign(
+       TP_FIELDS(
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
-               tp_assign(nr_rq, depth)
+               ctf_integer(int, nr_rq, depth)
 #else
-               tp_assign(nr_rq, q->rq.count[READ] + q->rq.count[WRITE])
+               ctf_integer(int, nr_rq, q->rq.count[READ] + q->rq.count[WRITE])
 #endif
-               tp_memcpy(comm, current->comm, TASK_COMM_LEN)
-       ),
-
-       TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
+               ctf_integer(pid_t, tid, current->pid)
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+       )
 )
 
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39))
@@ -739,7 +946,7 @@ 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),
 
@@ -757,9 +964,9 @@ 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))
@@ -784,43 +991,29 @@ 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),
 
        TP_ARGS(q, bio, new_sector),
 
-       TP_STRUCT__entry(
-               __field( dev_t,         dev                             )
-               __field( sector_t,      sector                          )
-               __field( sector_t,      new_sector                      )
-               __field( unsigned int,  rwbs            )
-               __array_text( char,             comm,           TASK_COMM_LEN   )
-       ),
-
-       TP_fast_assign(
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, lttng_bio_dev(bio))
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
-               tp_assign(dev, bio->bi_bdev->bd_dev)
-               tp_assign(sector, bio->bi_iter.bi_sector)
-               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)
+               ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio),
+                       bio->bi_iter.bi_size)
 #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)
+               ctf_integer(sector_t, sector, bio->bi_sector)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
-       ),
-
-       TP_printk("%d,%d %s %llu / %llu [%s]",
-                 MAJOR(__entry->dev), MINOR(__entry->dev),
-                 __print_rwbs_flags(__entry->rwbs),
-                 (unsigned long long)__entry->sector,
-                 (unsigned long long)__entry->new_sector,
-                 __entry->comm)
+               ctf_integer(sector_t, new_sector, new_sector)
+               ctf_integer(pid_t, tid, current->pid)
+               ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+       )
 )
 
 /**
@@ -834,9 +1027,9 @@ 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,
@@ -844,40 +1037,23 @@ TRACE_EVENT(block_remap,
 
        TP_ARGS(q, bio, dev, from),
 
-       TP_STRUCT__entry(
-               __field( dev_t,         dev             )
-               __field( sector_t,      sector          )
-               __field( unsigned int,  nr_sector       )
-               __field( dev_t,         old_dev         )
-               __field( sector_t,      old_sector      )
-               __field( unsigned int,  rwbs            )
-       ),
-
-       TP_fast_assign(
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, lttng_bio_dev(bio))
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
-               tp_assign(dev, bio->bi_bdev->bd_dev)
-               tp_assign(sector, bio->bi_iter.bi_sector)
-               tp_assign(nr_sector, bio_sectors(bio))
-               tp_assign(old_dev, dev)
-               tp_assign(old_sector, from)
-               blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size)
+               ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio),
+                       bio->bi_iter.bi_size)
 #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)
-               tp_assign(old_dev, dev)
-               tp_assign(old_sector, from)
-               blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
+               ctf_integer(sector_t, sector, bio->bi_sector)
+               ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
-       ),
-
-       TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
-                 MAJOR(__entry->dev), MINOR(__entry->dev),
-                 __print_rwbs_flags(__entry->rwbs),
-                 (unsigned long long)__entry->sector,
-                 __entry->nr_sector,
-                 MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
-                 (unsigned long long)__entry->old_sector)
+               ctf_integer(dev_t, old_dev, dev)
+               ctf_integer(sector_t, old_sector, from)
+       )
 )
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
@@ -892,46 +1068,29 @@ 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),
 
        TP_ARGS(q, rq, dev, from),
 
-       TP_STRUCT__entry(
-               __field( dev_t,         dev             )
-               __field( sector_t,      sector          )
-               __field( unsigned int,  nr_sector       )
-               __field( dev_t,         old_dev         )
-               __field( sector_t,      old_sector      )
-               __field( unsigned int,  rwbs            )
-       ),
-
-       TP_fast_assign(
-               tp_assign(dev, disk_devt(rq->rq_disk))
-               tp_assign(sector, blk_rq_pos(rq))
-               tp_assign(nr_sector, blk_rq_sectors(rq))
-               tp_assign(old_dev, dev)
-               tp_assign(old_sector, from)
-               blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq))
-       ),
-
-       TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
-                 MAJOR(__entry->dev), MINOR(__entry->dev),
-                 __print_rwbs_flags(__entry->rwbs),
-                 (unsigned long long)__entry->sector,
-                 __entry->nr_sector,
-                 MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
-                 (unsigned long long)__entry->old_sector)
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, disk_devt(rq->rq_disk))
+               ctf_integer(sector_t, sector, blk_rq_pos(rq))
+               ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq))
+               ctf_integer(dev_t, old_dev, dev)
+               ctf_integer(sector_t, old_sector, from)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+       )
 )
 #endif
 
 #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"
-
+#include <probes/define_trace.h>
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