TP_ARGS(q, rq)
)
+#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))
+
+/**
+ * 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
+ * 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.
+ */
+TRACE_EVENT(block_rq_complete,
+
+ TP_PROTO(struct request_queue *q, struct request *rq,
+ unsigned int nr_bytes),
+
+ TP_ARGS(q, rq, nr_bytes),
+
+ 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_fast_assign(
+ tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+ tp_assign(sector, blk_rq_pos(rq))
+ tp_assign(nr_sector, nr_bytes >> 9)
+ tp_assign(errors, rq->errors)
+ blk_fill_rwbs(rwbs, rq->cmd_flags, nr_bytes)
+ tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ rq->cmd : NULL)
+ ),
+
+ TP_printk("%d,%d %s (%s) %llu + %u [%d]",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->rwbs, __get_str(cmd),
+ (unsigned long long)__entry->sector,
+ __entry->nr_sector, __entry->errors)
+)
+
+#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
TP_ARGS(q, rq)
)
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
+
DECLARE_EVENT_CLASS(block_rq,
TP_PROTO(struct request_queue *q, struct request *rq),
__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 )
+ __array_text( char, comm, TASK_COMM_LEN )
),
TP_fast_assign(
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_iter.bi_size)
+ blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
tp_memcpy(comm, current->comm, TASK_COMM_LEN)
#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
),