+/* SPDX-License-Identifier: GPL-2.0 */
#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>
+#include <lttng-kernel-version.h>
-#define RWBS_LEN 8
+#if LTTNG_KERNEL_RANGE(4,11,0, 5,18,0)
+#include <scsi/scsi_request.h>
+#endif /* LTTNG_KERNEL_RANGE(4,11,0, 5,18,0) */
#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),
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 : \
+#ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
+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)
+ )
+)
+#endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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_op(bio) bio_op(bio)
+#define lttng_bio_rw(bio) ((bio)->bi_opf)
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,18,0))
+#ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
+#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
+ ctf_enum(block_rq_type, type, rwbs, \
+ ( (op) == REQ_OP_WRITE ? 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))
+#else
+#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
+ ctf_integer(type, rwbs, \
+ ( (op) == REQ_OP_WRITE ? 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))
+#endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
+#else
+#ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
+#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
+ 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) : \
+ ( (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))
+#else
+#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))
+#endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
+#endif
+
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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)
+
+#ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
+#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
+ 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_SECURE ? RWBS_FLAG_SECURE : 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 blk_fill_rwbs(rwbs, rw, bytes) \
- tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
+#else
+#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))
+ | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \
+ | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \
+ | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
+#endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
+
+#else
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
+#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_fill_rwbs(rwbs, rw, bytes) \
- tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
+#ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
+#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
+ 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 blk_fill_rwbs(rwbs, rw, bytes) \
- tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
- ( (rw) & (1 << BIO_RW_DISCARD) ? RWBS_FLAG_DISCARD : \
+#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) & (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))
+ | ((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))
+#endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
#endif
-DECLARE_EVENT_CLASS(block_rq_with_error,
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer,
+
+ TP_PROTO(struct buffer_head *bh),
+
+ TP_ARGS(bh),
+
+ 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)
+ )
+)
+
+/**
+ * block_touch_buffer - mark a buffer accessed
+ * @bh: buffer_head being touched
+ *
+ * Called from touch_buffer().
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer,
+
+ TP_PROTO(struct buffer_head *bh),
+
+ TP_ARGS(bh)
+)
+
+/**
+ * block_dirty_buffer - mark a buffer dirty
+ * @bh: buffer_head being dirtied
+ *
+ * Called from mark_buffer_dirty().
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer,
+
+ TP_PROTO(struct buffer_head *bh),
+
+ TP_ARGS(bh)
+)
+#endif
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0))
+/* block_rq_with_error event class removed in kernel 4.12 */
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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_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_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_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_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()
)
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
+#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,12,0))
/**
* block_rq_abort - abort block operation request
* @q: queue containing the block operation request
* 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
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
+/**
+ * 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->q->disk ? disk_devt(rq->q->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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \
+ || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0) \
+ || LTTNG_RHEL_KERNEL_RANGE(4,18,0,372,0,0, 4,19,0,0,0,0))
+/**
+ * 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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.
*/
-DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
+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
+ * 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.
+ */
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
+LTTNG_TRACEPOINT_EVENT(block_rq_complete,
+
+ TP_PROTO(struct request *rq, blk_status_t error, unsigned int nr_bytes),
+
+ TP_ARGS(rq, error, nr_bytes),
+
+ TP_FIELDS(
+ ctf_integer(dev_t, dev,
+ rq->q->disk ? disk_devt(rq->q->disk) : 0)
+ ctf_integer(sector_t, sector, blk_rq_pos(rq))
+ ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
+ ctf_integer(int, error, blk_status_to_errno(error))
+ blk_rwbs_ctf_integer(unsigned int, rwbs,
+ lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
+ )
+)
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,16,0) \
+ || LTTNG_RHEL_KERNEL_RANGE(5,14,0,70,0,0, 5,15,0,0,0,0))
+LTTNG_TRACEPOINT_EVENT(block_rq_complete,
+
+ TP_PROTO(struct request *rq, blk_status_t 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, blk_status_to_errno(error))
+ blk_rwbs_ctf_integer(unsigned int, rwbs,
+ lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
+ )
+)
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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)
+)
+
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
+
+ TP_PROTO(struct request *rq),
+
+ TP_ARGS(rq),
+
+ TP_FIELDS(
+ ctf_integer(dev_t, dev,
+ rq->q->disk ? disk_devt(rq->q->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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \
+ || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0) \
+ || LTTNG_RHEL_KERNEL_RANGE(4,18,0,372,0,0, 4,19,0,0,0,0))
+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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (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_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \
+ || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0) \
+ || LTTNG_RHEL_KERNEL_RANGE(4,18,0,372,0,0, 4,19,0,0,0,0))
+/**
+ * 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
+ * @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_queue *q, struct request *rq),
+
+ TP_ARGS(q, rq)
+)
+#endif
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \
+ || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0) \
+ || LTTNG_RHEL_KERNEL_RANGE(4,18,0,372,0,0, 4,19,0,0,0,0))
+/**
+ * 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
+ * @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_queue *q, struct request *rq),
+
+ TP_ARGS(q, rq)
+)
+#endif
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \
+ || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0))
+/**
+ * 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0) || \
+ LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
+
+/**
+ * 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,
+
+ 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))
+ 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)
+ )
+)
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
+/**
+ * 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,
+
+ TP_PROTO(struct request_queue *q, struct bio *bio, int error),
+
+ TP_ARGS(q, bio, error),
+
+ 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))
+ 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)
+ )
+)
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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,
+
+ TP_PROTO(struct request_queue *q, struct bio *bio, int error),
+
+ TP_ARGS(q, bio, error),
+
+ 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))
+ 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
+/**
+ * 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,
+
+ TP_PROTO(struct request_queue *q, struct bio *bio, int error),
+
+ TP_ARGS(q, bio, error),
+
+ 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
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_bio,
+
+ TP_PROTO(struct bio *bio),
+
+ TP_ARGS(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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
+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_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 request_queue *q, struct request *rq),
+ TP_PROTO(struct bio *bio),
- TP_ARGS(q, rq)
+ TP_ARGS(bio)
)
-
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
/**
- * block_rq_complete - block IO operation completed by device driver
- * @q: queue containing the block operation request
- * @rq: block operations request
+ * block_bio_bounce - used bounce buffer when processing block operation
+ * @q: queue holding the block operation
+ * @bio: block operation
*
- * 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.
+ * 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.
*/
-DEFINE_EVENT(block_rq_with_error, block_rq_complete,
+LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
- TP_PROTO(struct request_queue *q, struct request *rq),
+ TP_PROTO(struct request_queue *q, struct bio *bio),
- TP_ARGS(q, rq)
+ 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
+LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
-DECLARE_EVENT_CLASS(block_rq,
+ TP_PROTO(struct request_queue *q, struct bio *bio),
- TP_PROTO(struct request_queue *q, struct request *rq),
+ TP_ARGS(q, bio),
- TP_ARGS(q, rq),
+ 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_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_PROTO(struct request_queue *q, struct bio *bio),
- 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_ARGS(q, bio),
- 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, 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
/**
- * block_rq_insert - insert block operation request into queue
- * @q: target queue
- * @rq: block IO operation request
+ * block_bio_backmerge - merging block operation to the end of an existing operation
+ * @bio: new block operation to merge
*
- * 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.
+ * Merging block request @bio to the end of an existing block request.
*/
-DEFINE_EVENT(block_rq, block_rq_insert,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge,
- TP_PROTO(struct request_queue *q, struct request *rq),
+ TP_PROTO(struct bio *bio),
- TP_ARGS(q, rq)
+ TP_ARGS(bio)
)
/**
- * block_rq_issue - issue pending block IO request operation to device driver
- * @q: queue holding operation
- * @rq: block IO operation operation request
+ * block_bio_frontmerge - merging block operation to the beginning of an existing operation
+ * @bio: new block operation to merge
*
- * Called when block operation request @rq from queue @q is sent to a
- * device driver for processing.
+ * Merging block IO operation @bio to the beginning of an existing block request.
*/
-DEFINE_EVENT(block_rq, block_rq_issue,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge,
- TP_PROTO(struct request_queue *q, struct request *rq),
+ TP_PROTO(struct bio *bio),
- TP_ARGS(q, rq)
+ TP_ARGS(bio)
)
/**
- * block_bio_bounce - used bounce buffer when processing block operation
- * @q: queue holding the block operation
- * @bio: block operation
+ * block_bio_queue - putting new block IO operation in queue
+ * @bio: new 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.
+ * About to place the block IO operation @bio into queue @q.
*/
-TRACE_EVENT(block_bio_bounce,
-
- TP_PROTO(struct request_queue *q, struct bio *bio),
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue,
- TP_ARGS(q, bio),
+ TP_PROTO(struct bio *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_ARGS(bio)
+)
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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_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_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
- 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_ARGS(q, rq, bio)
)
/**
- * block_bio_complete - completed all work on the block operation
- * @q: queue holding the block operation
- * @bio: block operation completed
- * @error: io error value
+ * 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
*
- * This tracepoint indicates there is no further work to do on this
- * block IO operation @bio.
+ * Merging block IO operation @bio to the beginning of an existing block
+ * operation in queue @q.
*/
-TRACE_EVENT(block_bio_complete,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge,
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
- TP_PROTO(struct bio *bio, int error),
+ TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
- TP_ARGS(bio, error),
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
- TP_PROTO(struct request_queue *q, struct bio *bio, int error),
+ 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_ARGS(q, bio, error),
-#else
TP_PROTO(struct request_queue *q, struct bio *bio),
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_assign(dev, bio->bi_bdev->bd_dev)
- tp_assign(sector, bio->bi_sector)
- tp_assign(nr_sector, bio->bi_size >> 9)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
- tp_assign(error, error)
+ TP_FIELDS(
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
+ ctf_integer(dev_t, dev, bio_dev(bio))
#else
- tp_assign(error, 0)
+ ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
#endif
- blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
- ),
-
- 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
+ ctf_integer(pid_t, tid, current->pid)
+ ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+ )
)
-
-DECLARE_EVENT_CLASS(block_bio,
+#else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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->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_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, 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)
+ )
)
/**
* Merging block request @bio to the end of an existing block request
* in queue @q.
*/
-DEFINE_EVENT(block_bio, block_bio_backmerge,
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
- TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge,
- TP_ARGS(q, rq, bio)
-#else
TP_PROTO(struct request_queue *q, struct bio *bio),
TP_ARGS(q, bio)
-#endif
)
/**
* Merging block IO operation @bio to the beginning of an existing block
* operation in queue @q.
*/
-DEFINE_EVENT(block_bio, block_bio_frontmerge,
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
- TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge,
- TP_ARGS(q, rq, bio)
-#else
TP_PROTO(struct request_queue *q, struct bio *bio),
TP_ARGS(q, bio)
-#endif
)
/**
*
* 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 /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
-DECLARE_EVENT_CLASS(block_get_rq,
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 request_queue *q, struct bio *bio, int rw),
+ TP_PROTO(struct bio *bio),
- TP_ARGS(q, bio, rw),
+ TP_ARGS(bio)
+)
+#else
+LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
- 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_PROTO(struct request_queue *q, struct bio *bio, int rw),
- TP_fast_assign(
- 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)
- ),
+ TP_ARGS(q, bio, rw),
- 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(
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
+ 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
+ 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
+ ctf_integer(pid_t, tid, current->pid)
+ ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+ )
)
/**
* 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 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),
/**
* 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
* 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),
TP_ARGS(q, bio, rw)
)
+#endif
/**
* block_plug - keep operations requests in request queue
* 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),
TP_ARGS(q, depth, explicit),
-#else
- TP_PROTO(struct request_queue *q),
-
- TP_ARGS(q),
-#endif
-
- TP_STRUCT__entry(
- __field( int, nr_rq )
- __array_text( char, comm, TASK_COMM_LEN )
- ),
-
- TP_fast_assign(
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
- tp_assign(nr_rq, depth)
-#else
- tp_assign(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)
-)
-
-#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.
- */
-DEFINE_EVENT(block_unplug, block_unplug_timer,
-
- TP_PROTO(struct request_queue *q),
- TP_ARGS(q)
+ TP_FIELDS(
+ ctf_integer(int, nr_rq, depth)
+ ctf_integer(pid_t, tid, current->pid)
+ ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+ )
)
-#endif
/**
* block_unplug - release of operations requests in request queue
* 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))
-DEFINE_EVENT(block_unplug, block_unplug,
-#else
-DEFINE_EVENT(block_unplug, block_unplug_io,
-#endif
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, 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
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
/**
* block_split - split a single bio struct into two bio structs
* @q: queue containing the bio
* @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_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
+LTTNG_TRACEPOINT_EVENT(block_split,
- 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_size)
- tp_memcpy(comm, current->comm, TASK_COMM_LEN)
- ),
+ 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_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)
+ )
+)
+#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_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)
+ 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)
+ 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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))
-TRACE_EVENT(block_bio_remap,
+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_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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_ARGS(q, bio, dev, from),
+
+ 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(dev_t, old_dev, dev)
+ ctf_integer(sector_t, old_sector, from)
+ )
+)
#else
-TRACE_EVENT(block_remap,
-#endif
+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_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_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(dev_t, old_dev, dev)
+ ctf_integer(sector_t, old_sector, from)
+ )
+)
+#endif
- TP_fast_assign(
- 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)
- ),
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
+/**
+ * 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_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_ARGS(rq, dev, from),
+
+ TP_FIELDS(
+ ctf_integer(dev_t, dev, disk_devt(rq->q->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))
+ )
)
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \
+ || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0) \
+ || LTTNG_RHEL_KERNEL_RANGE(4,18,0,372,0,0, 4,19,0,0,0,0))
+/**
+ * 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),
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+ 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
* 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>