+/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM block
#endif /* _TRACE_BLOCK_DEF_ */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
+LTTNG_TRACEPOINT_ENUM(block_rq_type,
+ TP_ENUM_VALUES(
+ ctf_enum_value("RWBS_FLAG_WRITE", RWBS_FLAG_WRITE)
+ ctf_enum_value("RWBS_FLAG_DISCARD", RWBS_FLAG_DISCARD)
+ ctf_enum_value("RWBS_FLAG_READ", RWBS_FLAG_READ)
+ ctf_enum_value("RWBS_FLAG_RAHEAD", RWBS_FLAG_RAHEAD)
+ ctf_enum_value("RWBS_FLAG_BARRIER", RWBS_FLAG_BARRIER)
+ ctf_enum_value("RWBS_FLAG_SYNC", RWBS_FLAG_SYNC)
+ ctf_enum_value("RWBS_FLAG_META", RWBS_FLAG_META)
+ ctf_enum_value("RWBS_FLAG_SECURE", RWBS_FLAG_SECURE)
+ ctf_enum_value("RWBS_FLAG_FLUSH", RWBS_FLAG_FLUSH)
+ ctf_enum_value("RWBS_FLAG_FUA", RWBS_FLAG_FUA)
+ ctf_enum_value("RWBS_FLAG_PREFLUSH", RWBS_FLAG_PREFLUSH)
+ )
+)
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0) || \
+ LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,73,6,0,0) || \
+ LTTNG_SLE_KERNEL_RANGE(4,4,82,6,0,0, 4,4,82,7,0,0) || \
+ LTTNG_SLE_KERNEL_RANGE(4,4,92,6,0,0, 4,4,92,7,0,0) || \
+ LTTNG_SLE_KERNEL_RANGE(4,4,103,6,0,0, 4,4,103,7,0,0) || \
+ LTTNG_SLE_KERNEL_RANGE(4,4,114,94,0,0, 4,4,114,95,0,0) || \
+ LTTNG_SLE_KERNEL_RANGE(4,4,120,94,0,0, 4,4,120,95,0,0) || \
+ LTTNG_SLE_KERNEL_RANGE(4,4,126,94,0,0, 4,5,0,0,0,0))
#define lttng_req_op(rq) req_op(rq)
#define lttng_req_rw(rq) ((rq)->cmd_flags)
#define lttng_bio_rw(bio) ((bio)->bi_opf)
#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
- ctf_integer(type, rwbs, \
+ ctf_enum(block_rq_type, 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) : \
#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 : \
+ ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
( (bytes) ? RWBS_FLAG_READ : \
( 0 )))) \
| ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \
| ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
-
-#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 )))) \
- | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
- | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
- | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
- | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
-
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
+#else
#define lttng_req_op(rq)
#define lttng_req_rw(rq) ((rq)->cmd_flags)
#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 : \
+ ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
( (bytes) ? RWBS_FLAG_READ : \
( 0 )))) \
| ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
- | ((rw) & REQ_HARDBARRIER ? RWBS_FLAG_BARRIER : 0) \
| ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
| ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
| ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
-#else
-
-#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 )))) \
- | ((rw) & (1 << BIO_RW_AHEAD) ? RWBS_FLAG_RAHEAD : 0) \
- | ((rw) & (1 << BIO_RW_SYNCIO) ? RWBS_FLAG_SYNC : 0) \
- | ((rw) & (1 << BIO_RW_META) ? RWBS_FLAG_META : 0) \
- | ((rw) & (1 << BIO_RW_BARRIER) ? RWBS_FLAG_BARRIER : 0))
-
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
)
#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_rq_requeue - place block IO request back on a queue
+ * @rq: block IO operation request
+ *
+ * The block operation request @rq is being placed back into queue
+ * @q. For some reason the request was not completed and needs to be
+ * put back in the queue.
+ */
+LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
+
+ TP_PROTO(struct request *rq),
+
+ TP_ARGS(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))
+ )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
/**
* block_rq_requeue - place block IO request back on a queue
* @q: queue holding operation
* @q. For some reason the request was not completed and needs to be
* put back in the queue.
*/
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
TP_PROTO(struct request_queue *q, struct request *rq),
#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
+
+ TP_PROTO(struct request *rq),
+
+ TP_ARGS(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(4,12,0))
LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
TP_PROTO(struct request_queue *q, struct request *rq),
)
#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_rq_insert - insert block operation request into queue
+ * @rq: block IO operation request
+ *
+ * Called immediately before block operation request @rq is inserted
+ * into queue @q. The fields in the operation request @rq struct can
+ * be examined to determine which device and sectors the pending
+ * operation would access.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert,
+
+ TP_PROTO(struct request *rq),
+
+ TP_ARGS(rq)
+)
+#else
/**
* block_rq_insert - insert block operation request into queue
* @q: target queue
TP_ARGS(q, rq)
)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_rq_issue - issue pending block IO request operation to device driver
+ * @rq: block IO operation operation request
+ *
+ * Called when block operation request @rq from queue @q is sent to a
+ * device driver for processing.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue,
+
+ TP_PROTO(struct request *rq),
+ TP_ARGS(rq)
+)
+#else
/**
* block_rq_issue - issue pending block IO request operation to device driver
* @q: queue holding operation
TP_ARGS(q, rq)
)
+#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
/**
- * block_bio_bounce - used bounce buffer when processing block operation
+ * block_rq_merge - merge request with another one in the elevator
+ * @rq: block IO operation operation request
+ *
+ * Called when block operation request @rq from queue @q is merged to another
+ * request queued in the elevator.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge,
+
+ TP_PROTO(struct request *rq),
+
+ TP_ARGS(rq)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0))
+/**
+ * block_rq_merge - merge request with another one in the elevator
+ * @q: queue holding operation
+ * @rq: block IO operation operation request
+ *
+ * Called when block operation request @rq from queue @q is merged to another
+ * request queued in the elevator.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge,
+
+ TP_PROTO(struct request_queue *q, struct request *rq),
+
+ TP_ARGS(q, rq)
+)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
+/**
+ * block_bio_complete - completed all work on the block operation
* @q: queue holding the block operation
- * @bio: block operation
+ * @bio: block operation completed
+ * @error: io error value
*
- * A bounce buffer was used to handle the block operation @bio in @q.
- * This occurs when hardware limitations prevent a direct transfer of
- * data between the @bio data memory area and the IO device. Use of a
- * bounce buffer requires extra copying of data and decreases
- * performance.
+ * This tracepoint indicates there is no further work to do on this
+ * block IO operation @bio.
*/
-LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
+LTTNG_TRACEPOINT_EVENT(block_bio_complete,
TP_PROTO(struct request_queue *q, struct bio *bio),
TP_ARGS(q, bio),
TP_FIELDS(
- ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+ ctf_integer(dev_t, dev, bio_dev(bio))
ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+ ctf_integer(int, error, blk_status_to_errno(bio->bi_status))
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)) */
- 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)) */
- ctf_integer(pid_t, tid, current->pid)
- ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
)
)
-
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
/**
* block_bio_complete - completed all work on the block operation
* @q: queue holding the block operation
*/
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),
TP_ARGS(q, bio, error),
-#else
- TP_PROTO(struct request_queue *q, struct bio *bio),
-
- TP_ARGS(q, bio),
-#endif
TP_FIELDS(
- ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+ ctf_integer(dev_t, dev, bio_dev(bio))
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)) */
- 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))
- ctf_integer(int, error, error)
-#else
- ctf_integer(int, error, 0)
-#endif
- 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)) */
)
)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+/**
+ * block_bio_complete - completed all work on the block operation
+ * @q: queue holding the block operation
+ * @bio: block operation completed
+ * @error: io error value
+ *
+ * This tracepoint indicates there is no further work to do on this
+ * block IO operation @bio.
+ */
+LTTNG_TRACEPOINT_EVENT(block_bio_complete,
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
-LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
-
- TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
+ TP_PROTO(struct request_queue *q, struct bio *bio, int error),
- TP_ARGS(q, rq, bio),
+ TP_ARGS(q, bio, error),
TP_FIELDS(
ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
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)) */
- 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)) */
- ctf_integer(pid_t, tid, current->pid)
- ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
)
)
-
+#else
/**
- * block_bio_backmerge - merging block operation to the end of an existing operation
- * @q: queue holding operation
- * @bio: new block operation to merge
+ * block_bio_complete - completed all work on the block operation
+ * @q: queue holding the block operation
+ * @bio: block operation completed
+ * @error: io error value
*
- * Merging block request @bio to the end of an existing block request
- * in queue @q.
+ * This tracepoint indicates there is no further work to do on this
+ * block IO operation @bio.
*/
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge,
-
- TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
-
- TP_ARGS(q, rq, bio)
-)
+LTTNG_TRACEPOINT_EVENT(block_bio_complete,
-/**
- * block_bio_frontmerge - merging block operation to the beginning of an existing operation
- * @q: queue holding operation
- * @bio: new block operation to merge
- *
- * Merging block IO operation @bio to the beginning of an existing block
- * operation in queue @q.
- */
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge,
+ TP_PROTO(struct request_queue *q, struct bio *bio, int error),
- TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
+ TP_ARGS(q, bio, error),
- TP_ARGS(q, rq, bio)
+ TP_FIELDS(
+ ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
+ ctf_integer(sector_t, sector, bio->bi_sector)
+ ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
+ ctf_integer(int, error, error)
+ blk_rwbs_ctf_integer(unsigned int, rwbs,
+ lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
+ )
)
+#endif
-/**
- * block_bio_queue - putting new block IO operation in queue
- * @q: queue holding operation
- * @bio: new block operation
- *
- * About to place the block IO operation @bio into queue @q.
- */
-LTTNG_TRACEPOINT_EVENT(block_bio_queue,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_bio,
- TP_PROTO(struct request_queue *q, struct bio *bio),
+ TP_PROTO(struct bio *bio),
- TP_ARGS(q, bio),
+ TP_ARGS(bio),
TP_FIELDS(
- ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+ ctf_integer(dev_t, dev, bio_dev(bio))
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)) */
- 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)) */
ctf_integer(pid_t, tid, current->pid)
ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
)
)
-#else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
-LTTNG_TRACEPOINT_EVENT_CLASS(block_bio,
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
- TP_PROTO(struct request_queue *q, struct bio *bio),
+ TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
- TP_ARGS(q, bio),
+ TP_ARGS(q, rq, bio),
TP_FIELDS(
- ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
- ctf_integer(sector_t, sector, bio->bi_sector)
- ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
+ ctf_integer(dev_t, dev, bio_dev(bio))
+ 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)
+ ctf_integer(pid_t, tid, current->pid)
+ ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+ )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+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_FIELDS(
+ ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
+ 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)
+ ctf_integer(pid_t, tid, current->pid)
+ ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+ )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
+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_FIELDS(
+ ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
+ 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)
+ )
+)
+#endif
+
+
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_bio_bounce - used bounce buffer when processing block operation
+ * @bio: block operation
+ *
+ * A bounce buffer was used to handle the block operation @bio in @q.
+ * This occurs when hardware limitations prevent a direct transfer of
+ * data between the @bio data memory area and the IO device. Use of a
+ * bounce buffer requires extra copying of data and decreases
+ * performance.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_bounce,
+
+ TP_PROTO(struct bio *bio),
+
+ TP_ARGS(bio)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+/**
+ * block_bio_bounce - used bounce buffer when processing block operation
+ * @q: queue holding the block operation
+ * @bio: block operation
+ *
+ * A bounce buffer was used to handle the block operation @bio in @q.
+ * This occurs when hardware limitations prevent a direct transfer of
+ * data between the @bio data memory area and the IO device. Use of a
+ * bounce buffer requires extra copying of data and decreases
+ * performance.
+ */
+LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
+
+ TP_PROTO(struct request_queue *q, struct bio *bio),
+
+ TP_ARGS(q, bio),
+
+ TP_FIELDS(
+ ctf_integer(dev_t, dev, bio_dev(bio))
+ 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)
+ ctf_integer(pid_t, tid, current->pid)
+ ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+ )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
+
+ TP_PROTO(struct request_queue *q, struct bio *bio),
+
+ TP_ARGS(q, bio),
+
+ TP_FIELDS(
+ ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
+ 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)
+ ctf_integer(pid_t, tid, current->pid)
+ ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+ )
+)
+#else
+LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
+
+ TP_PROTO(struct request_queue *q, struct bio *bio),
+
+ TP_ARGS(q, bio),
+
+ TP_FIELDS(
+ ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
+ 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)
+ )
+)
+#endif
+
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_bio_backmerge - merging block operation to the end of an existing operation
+ * @bio: new block operation to merge
+ *
+ * Merging block request @bio to the end of an existing block request.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge,
+
+ TP_PROTO(struct bio *bio),
+
+ TP_ARGS(bio)
+)
+
+/**
+ * block_bio_frontmerge - merging block operation to the beginning of an existing operation
+ * @bio: new block operation to merge
+ *
+ * Merging block IO operation @bio to the beginning of an existing block request.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge,
+
+ TP_PROTO(struct bio *bio),
+
+ TP_ARGS(bio)
+)
+
+/**
+ * block_bio_queue - putting new block IO operation in queue
+ * @bio: new block operation
+ *
+ * About to place the block IO operation @bio into queue @q.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue,
+
+ TP_PROTO(struct bio *bio),
+
+ TP_ARGS(bio)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
+/**
+ * block_bio_backmerge - merging block operation to the end of an existing operation
+ * @q: queue holding operation
+ * @rq: request bio is being merged into
+ * @bio: new block operation to merge
+ *
+ * Merging block request @bio to the end of an existing block request
+ * in queue @q.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge,
+
+ TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
+
+ TP_ARGS(q, rq, bio)
+)
+
+/**
+ * block_bio_frontmerge - merging block operation to the beginning of an existing operation
+ * @q: queue holding operation
+ * @rq: request bio is being merged into
+ * @bio: new block operation to merge
+ *
+ * Merging block IO operation @bio to the beginning of an existing block
+ * operation in queue @q.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge,
+
+ TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
+
+ TP_ARGS(q, rq, bio)
+)
+
+/**
+ * block_bio_queue - putting new block IO operation in queue
+ * @q: queue holding operation
+ * @bio: new block operation
+ *
+ * About to place the block IO operation @bio into queue @q.
+ */
+LTTNG_TRACEPOINT_EVENT(block_bio_queue,
+
+ TP_PROTO(struct request_queue *q, struct bio *bio),
+
+ TP_ARGS(q, bio),
+
+ TP_FIELDS(
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+ ctf_integer(dev_t, dev, bio_dev(bio))
+#else
+ ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
+#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+ 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)) */
+ 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)) */
+ ctf_integer(pid_t, tid, current->pid)
+ ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+ )
+)
+#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_FIELDS(
+ ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
+ 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)
)
#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_getrq - get a free request entry in queue for block IO operations
+ * @bio: pending block IO operation (can be %NULL)
+ *
+ * A request struct has been allocated to handle the block IO operation @bio.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_getrq,
+
+ TP_PROTO(struct bio *bio),
+
+ TP_ARGS(bio)
+)
+#else
LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
TP_ARGS(q, bio, rw),
TP_FIELDS(
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+ ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0)
+#else
ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0)
+#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0)
ctf_integer(unsigned int, nr_sector,
/**
* block_getrq - get a free request entry in queue for block IO operations
* @q: queue for operations
- * @bio: pending block IO operation
+ * @bio: pending block IO operation (can be %NULL)
* @rw: low bit indicates a read (%0) or a write (%1)
*
* A request struct for queue @q has been allocated to handle the
/**
* block_sleeprq - waiting to get a free request entry in queue for block IO operation
* @q: queue for operation
- * @bio: pending block IO operation
+ * @bio: pending block IO operation (can be %NULL)
* @rw: low bit indicates a read (%0) or a write (%1)
*
* In the case where a request struct cannot be provided for queue @q
TP_ARGS(q, bio, rw)
)
+#endif
/**
* block_plug - keep operations requests in request queue
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),
TP_ARGS(q, depth, explicit),
-#else
- TP_PROTO(struct request_queue *q),
-
- TP_ARGS(q),
-#endif
TP_FIELDS(
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
ctf_integer(int, nr_rq, depth)
-#else
- ctf_integer(int, nr_rq, q->rq.count[READ] + q->rq.count[WRITE])
-#endif
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))
-/**
- * block_unplug_timer - timed release of operations requests in queue to device driver
- * @q: request queue to unplug
- *
- * Unplug the request queue @q because a timer expired and allow block
- * operation requests to be sent to the device driver.
- */
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_timer,
-
- TP_PROTO(struct request_queue *q),
-
- TP_ARGS(q)
-)
-#endif
-
/**
* block_unplug - release of operations requests in request queue
* @q: request queue to unplug
* Unplug request queue @q because device driver is scheduled to work
* on elements in the request queue.
*/
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug,
-#else
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_io,
-#endif
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
TP_ARGS(q, depth, explicit)
-#else
- TP_PROTO(struct request_queue *q),
+)
- TP_ARGS(q)
-#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_split - split a single bio struct into two bio structs
+ * @bio: block operation being split
+ * @new_sector: The starting sector for the new bio
+ *
+ * The bio request @bio needs to be split into two bio requests. The newly
+ * created @bio request starts at @new_sector. This split may be required due to
+ * hardware limitations such as operation crossing device boundaries in a RAID
+ * system.
+ */
+LTTNG_TRACEPOINT_EVENT(block_split,
+
+ TP_PROTO(struct bio *bio, unsigned int new_sector),
+
+ TP_ARGS(bio, new_sector),
+
+ TP_FIELDS(
+ ctf_integer(dev_t, dev, bio_dev(bio))
+ 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)
+ 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)
+ )
)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
/**
* block_split - split a single bio struct into two bio structs
* @q: queue containing the bio
TP_ARGS(q, bio, new_sector),
+ TP_FIELDS(
+ ctf_integer(dev_t, dev, bio_dev(bio))
+ 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)
+ 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)
+ )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+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_FIELDS(
ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
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)) */
+ 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)
+ )
+)
+#else
+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_FIELDS(
+ ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
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)) */
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)
)
)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_bio_remap - map request for a logical device to the raw device
+ * @bio: revised operation
+ * @dev: original device for the operation
+ * @from: original sector for the operation
+ *
+ * An operation for a logical device has been mapped to the
+ * raw block device.
+ */
+LTTNG_TRACEPOINT_EVENT(block_bio_remap,
+
+ TP_PROTO(struct bio *bio, dev_t dev, sector_t from),
+ TP_ARGS(bio, dev, from),
+
+ TP_FIELDS(
+ ctf_integer(dev_t, dev, bio_dev(bio))
+ 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)
+ ctf_integer(dev_t, old_dev, dev)
+ ctf_integer(sector_t, old_sector, from)
+ )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
/**
* block_bio_remap - map request for a logical device to the raw device
* @q: queue holding the operation
* An operation for a logical device has been mapped to the
* raw block device.
*/
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
LTTNG_TRACEPOINT_EVENT(block_bio_remap,
-#else
-LTTNG_TRACEPOINT_EVENT(block_remap,
-#endif
+
+ TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
+ sector_t from),
+
+ TP_ARGS(q, bio, dev, from),
+
+ TP_FIELDS(
+ ctf_integer(dev_t, dev, bio_dev(bio))
+ 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)
+ ctf_integer(dev_t, old_dev, dev)
+ ctf_integer(sector_t, old_sector, from)
+ )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+LTTNG_TRACEPOINT_EVENT(block_bio_remap,
TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
sector_t from),
TP_FIELDS(
ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
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)) */
+ ctf_integer(dev_t, old_dev, dev)
+ ctf_integer(sector_t, old_sector, from)
+ )
+)
+#else
+LTTNG_TRACEPOINT_EVENT(block_bio_remap,
+
+ TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
+ sector_t from),
+
+ TP_ARGS(q, bio, dev, from),
+
+ TP_FIELDS(
+ ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
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)) */
ctf_integer(dev_t, old_dev, dev)
ctf_integer(sector_t, old_sector, from)
)
)
+#endif
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_rq_remap - map request for a block operation request
+ * @rq: block IO operation request
+ * @dev: device for the operation
+ * @from: original sector for the operation
+ *
+ * The block operation request @rq in @q has been remapped. The block
+ * operation request @rq holds the current information and @from hold
+ * the original sector.
+ */
+LTTNG_TRACEPOINT_EVENT(block_rq_remap,
+
+ TP_PROTO(struct request *rq, dev_t dev, sector_t from),
+
+ TP_ARGS(rq, dev, from),
+
+ 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))
+ )
+)
+#else
/**
* block_rq_remap - map request for a block operation request
* @q: queue holding the operation
projects / lttng-modules.git / blobdiff