+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM block
-
-#if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
-#define LTTNG_TRACE_BLOCK_H
-
-#include <lttng/tracepoint-event.h>
-#include <linux/blktrace_api.h>
-#include <linux/blkdev.h>
-#include <linux/trace_seq.h>
-#include <linux/version.h>
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
-#include <scsi/scsi_request.h>
-#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
-
-#ifndef _TRACE_BLOCK_DEF_
-#define _TRACE_BLOCK_DEF_
-
-enum {
- RWBS_FLAG_WRITE = (1 << 0),
- RWBS_FLAG_DISCARD = (1 << 1),
- RWBS_FLAG_READ = (1 << 2),
- RWBS_FLAG_RAHEAD = (1 << 3),
- RWBS_FLAG_BARRIER = (1 << 4),
- RWBS_FLAG_SYNC = (1 << 5),
- RWBS_FLAG_META = (1 << 6),
- RWBS_FLAG_SECURE = (1 << 7),
- RWBS_FLAG_FLUSH = (1 << 8),
- RWBS_FLAG_FUA = (1 << 9),
- RWBS_FLAG_PREFLUSH = (1 << 10),
-};
-
-#endif /* _TRACE_BLOCK_DEF_ */
-
-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_op(bio) bio_op(bio)
-#define lttng_bio_rw(bio) ((bio)->bi_opf)
-
-#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))
-
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
-
-#define lttng_req_op(rq)
-#define lttng_req_rw(rq) ((rq)->cmd_flags)
-#define lttng_bio_op(bio)
-#define lttng_bio_rw(bio) ((bio)->bi_rw)
-
-#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
- ctf_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_SYNC ? RWBS_FLAG_SYNC : 0) \
- | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
- | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \
- | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \
- | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 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_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_SYNC ? RWBS_FLAG_SYNC : 0) \
- | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
- | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
-
-#endif
-
-#if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
-/* block_rq_with_error event class removed in kernel 4.12 */
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
-LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
-
- TP_PROTO(struct request_queue *q, struct request *rq),
-
- TP_ARGS(q, rq),
-
- TP_locvar(
- sector_t sector;
- unsigned int nr_sector;
- unsigned char *cmd;
- size_t cmd_len;
- ),
-
- TP_code_pre(
- if (blk_rq_is_scsi(rq)) {
- struct scsi_request *scsi_rq = scsi_req(rq);
- tp_locvar->sector = 0;
- tp_locvar->nr_sector = 0;
- tp_locvar->cmd = scsi_rq->cmd;
- tp_locvar->cmd_len = scsi_rq->cmd_len;
- } else {
- tp_locvar->sector = blk_rq_pos(rq);
- tp_locvar->nr_sector = blk_rq_sectors(rq);
- tp_locvar->cmd = NULL;
- tp_locvar->cmd_len = 0;
- }
- ),
-
- TP_FIELDS(
- ctf_integer(dev_t, dev,
- rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
- ctf_integer(sector_t, sector, tp_locvar->sector)
- ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
- ctf_integer(int, errors, rq->errors)
- blk_rwbs_ctf_integer(unsigned int, rwbs,
- lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
- ctf_sequence_hex(unsigned char, cmd,
- tp_locvar->cmd, size_t, tp_locvar->cmd_len)
- ),
-
- TP_code_post()
-)
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
-LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
-
- TP_PROTO(struct request_queue *q, struct request *rq),
-
- TP_ARGS(q, rq),
-
- TP_locvar(
- sector_t sector;
- unsigned int nr_sector;
- unsigned char *cmd;
- size_t cmd_len;
- ),
-
- TP_code_pre(
-
- if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
- tp_locvar->sector = 0;
- tp_locvar->nr_sector = 0;
- tp_locvar->cmd = rq->cmd;
- tp_locvar->cmd_len = rq->cmd_len;
- } else {
- tp_locvar->sector = blk_rq_pos(rq);
- tp_locvar->nr_sector = blk_rq_sectors(rq);
- tp_locvar->cmd = NULL;
- tp_locvar->cmd_len = 0;
- }
- ),
-
- TP_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 (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0))
-/**
- * block_rq_abort - abort block operation request
- * @q: queue containing the block operation request
- * @rq: block IO operation request
- *
- * Called immediately after pending block IO operation request @rq in
- * queue @q is aborted. The fields in the operation request @rq
- * can be examined to determine which device and sectors the pending
- * operation would access.
- */
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort,
-
- TP_PROTO(struct request_queue *q, struct request *rq),
-
- TP_ARGS(q, rq)
-)
-#endif
-
-/**
- * block_rq_requeue - place block IO request back on a queue
- * @q: queue holding operation
- * @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.
- */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
-LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
-
- TP_PROTO(struct request_queue *q, struct request *rq),
-
- TP_ARGS(q, rq),
-
- TP_FIELDS(
- ctf_integer(dev_t, dev,
- rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
- ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
- ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
- blk_rwbs_ctf_integer(unsigned int, rwbs,
- lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
- )
-)
-#else
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue,
-
- TP_PROTO(struct request_queue *q, struct request *rq),
-
- TP_ARGS(q, rq)
-)
-#endif
-
-/**
- * block_rq_complete - block IO operation completed by device driver
- * @q: queue containing the block operation request
- * @rq: block operations request
- * @nr_bytes: number of completed bytes
- *
- * The block_rq_complete tracepoint event indicates that some portion
- * of operation request has been completed by the device driver. If
- * 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
-LTTNG_TRACEPOINT_EVENT(block_rq_complete,
-
- TP_PROTO(struct request *rq, int error, unsigned int nr_bytes),
-
- TP_ARGS(rq, error, nr_bytes),
-
- TP_FIELDS(
- ctf_integer(dev_t, dev,
- rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
- ctf_integer(sector_t, sector, blk_rq_pos(rq))
- ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
- ctf_integer(int, error, error)
- blk_rwbs_ctf_integer(unsigned int, rwbs,
- lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
- )
-)
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
-LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
-
- TP_PROTO(struct request_queue *q, struct request *rq,
- unsigned int nr_bytes),
-
- TP_ARGS(q, rq, nr_bytes),
-
- TP_locvar(
- unsigned char *cmd;
- size_t cmd_len;
- ),
-
- TP_code_pre(
- if (blk_rq_is_scsi(rq)) {
- struct scsi_request *scsi_rq = scsi_req(rq);
- tp_locvar->cmd = scsi_rq->cmd;
- tp_locvar->cmd_len = scsi_rq->cmd_len;
- } else {
- tp_locvar->cmd = NULL;
- tp_locvar->cmd_len = 0;
- }
- ),
-
- TP_FIELDS(
- ctf_integer(dev_t, dev,
- rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
- ctf_integer(sector_t, sector, blk_rq_pos(rq))
- ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
- ctf_integer(int, errors, rq->errors)
- blk_rwbs_ctf_integer(unsigned int, rwbs,
- lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
- ctf_sequence_hex(unsigned char, cmd,
- tp_locvar->cmd, size_t, tp_locvar->cmd_len)
- ),
-
- TP_code_post()
-)
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5) \
- || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \
- || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \
- || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0) \
- || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \
- || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0) \
- || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0))
-
-LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
-
- TP_PROTO(struct request_queue *q, struct request *rq,
- unsigned int nr_bytes),
-
- TP_ARGS(q, rq, nr_bytes),
-
- TP_locvar(
- unsigned char *cmd;
- size_t cmd_len;
- ),
-
- TP_code_pre(
- if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
- tp_locvar->cmd = rq->cmd;
- tp_locvar->cmd_len = rq->cmd_len;
- } else {
- tp_locvar->cmd = NULL;
- tp_locvar->cmd_len = 0;
- }
- ),
-
- TP_FIELDS(
- ctf_integer(dev_t, dev,
- rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
- ctf_integer(sector_t, sector, blk_rq_pos(rq))
- ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
- ctf_integer(int, errors, rq->errors)
- blk_rwbs_ctf_integer(unsigned int, rwbs,
- lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
- ctf_sequence_hex(unsigned char, cmd,
- tp_locvar->cmd, size_t, tp_locvar->cmd_len)
- ),
-
- TP_code_post()
-)
-
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
-
-/**
- * block_rq_complete - block IO operation completed by device driver
- * @q: queue containing the block operation request
- * @rq: block operations request
- *
- * The block_rq_complete tracepoint event indicates that some portion
- * of operation request has been completed by the device driver. If
- * the @rq->bio is %NULL, then there is absolutely no additional work to
- * do for the request. If @rq->bio is non-NULL then there is
- * additional work required to complete the request.
- */
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete,
-
- TP_PROTO(struct request_queue *q, struct request *rq),
-
- TP_ARGS(q, rq)
-)
-
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
-LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
-
- TP_PROTO(struct request_queue *q, struct request *rq),
-
- TP_ARGS(q, rq),
-
- TP_FIELDS(
- ctf_integer(dev_t, dev,
- rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
- ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
- ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
- ctf_integer(unsigned int, bytes, blk_rq_bytes(rq))
- ctf_integer(pid_t, tid, current->pid)
- blk_rwbs_ctf_integer(unsigned int, rwbs,
- lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
- ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
- )
-)
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
-LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
-
- TP_PROTO(struct request_queue *q, struct request *rq),
-
- TP_ARGS(q, rq),
-
- TP_locvar(
- sector_t sector;
- unsigned int nr_sector;
- unsigned int bytes;
- unsigned char *cmd;
- size_t cmd_len;
- ),
-
- TP_code_pre(
- if (blk_rq_is_scsi(rq)) {
- struct scsi_request *scsi_rq = scsi_req(rq);
- tp_locvar->sector = 0;
- tp_locvar->nr_sector = 0;
- tp_locvar->bytes = scsi_rq->resid_len;
- tp_locvar->cmd = scsi_rq->cmd;
- tp_locvar->cmd_len = scsi_rq->cmd_len;
- } else {
- tp_locvar->sector = blk_rq_pos(rq);
- tp_locvar->nr_sector = blk_rq_sectors(rq);
- tp_locvar->bytes = 0;
- tp_locvar->cmd = NULL;
- tp_locvar->cmd_len = 0;
- }
- ),
-
- TP_FIELDS(
- ctf_integer(dev_t, dev,
- rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
- ctf_integer(sector_t, sector, tp_locvar->sector)
- ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
- ctf_integer(unsigned int, bytes, tp_locvar->bytes)
- ctf_integer(pid_t, tid, current->pid)
- blk_rwbs_ctf_integer(unsigned int, rwbs,
- lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
- ctf_sequence_hex(unsigned char, cmd,
- tp_locvar->cmd, size_t, tp_locvar->cmd_len)
- ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
- ),
-
- TP_code_post()
-)
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
-LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
-
- TP_PROTO(struct request_queue *q, struct request *rq),
-
- TP_ARGS(q, rq),
-
- TP_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 (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
-
-/**
- * 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)
-)
-
-/**
- * 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)
-)
-
-/**
- * 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(
-#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 ? bio->bi_bdev->bd_dev : 0)
-#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)
- )
-)
-
-/**
- * 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(
-#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))
- 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)
- ctf_integer(int, error, error)
- 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)) */
- )
-)
-
-#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_ARGS(q, rq, 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)
- )
-)
-
-/**
- * block_bio_backmerge - merging block operation to the end of an existing operation
- * @q: queue holding operation
- * @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
- * @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)
- ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
- )
-)
-
-/**
- * block_bio_backmerge - merging block operation to the end of an existing operation
- * @q: queue holding operation
- * @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, block_bio_backmerge,
-
- TP_PROTO(struct request_queue *q, struct bio *bio),
-
- TP_ARGS(q, bio)
-)
-
-/**
- * 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, block_bio_frontmerge,
-
- TP_PROTO(struct request_queue *q, struct bio *bio),
-
- TP_ARGS(q, 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_INSTANCE(block_bio, block_bio_queue,
-
- TP_PROTO(struct request_queue *q, struct bio *bio),
-
- TP_ARGS(q, bio)
-)
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
-
-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,
- bio ? bio_sectors(bio) : 0)
- blk_rwbs_ctf_integer(unsigned int, rwbs,
- bio ? lttng_bio_op(bio) : 0,
- bio ? lttng_bio_rw(bio) : 0,
- bio ? bio->bi_iter.bi_size : 0)
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
- ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0)
- ctf_integer(unsigned int, nr_sector,
- bio ? bio->bi_size >> 9 : 0)
- blk_rwbs_ctf_integer(unsigned int, rwbs,
- bio ? lttng_bio_op(bio) : 0,
- bio ? lttng_bio_rw(bio) : 0,
- bio ? bio->bi_size : 0)
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
- 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 (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.
- */
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq,
-
- TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
-
- TP_ARGS(q, bio, 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 (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
- * the process needs to wait for an request struct to become
- * available. This tracepoint event is generated each time the
- * process goes to sleep waiting for request struct become available.
- */
-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)
-)
-
-/**
- * block_plug - keep operations requests in request queue
- * @q: request queue to plug
- *
- * Plug the request queue @q. Do not allow block operation requests
- * to be sent to the device driver. Instead, accumulate requests in
- * the queue to improve throughput performance of the block device.
- */
-LTTNG_TRACEPOINT_EVENT(block_plug,
-
- TP_PROTO(struct request_queue *q),
-
- TP_ARGS(q),
-
- TP_FIELDS(
- ctf_integer(pid_t, tid, current->pid)
- ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
- )
-)
-
-LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug,
-
- TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
-
- TP_ARGS(q, depth, explicit),
-
- 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)
- )
-)
-
-/**
- * block_unplug - release of operations requests in request queue
- * @q: request queue to unplug
- * @depth: number of requests just added to the queue
- * @explicit: whether this was an explicit unplug, or one from schedule()
- *
- * Unplug request queue @q because device driver is scheduled to work
- * on elements in the request queue.
- */
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug,
-
- TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
-
- TP_ARGS(q, depth, explicit)
-)
-
-/**
- * block_split - split a single bio struct into two bio structs
- * @q: queue containing the bio
- * @bio: block operation being split
- * @new_sector: The starting sector for the new bio
- *
- * The bio request @bio in request queue @q 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 limitation
- * such as operation crossing device boundaries in a RAID system.
- */
-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(
-#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)
- 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)
- 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)
- )
-)
-
-/**
- * block_bio_remap - map request for a logical device to the raw device
- * @q: queue holding the operation
- * @bio: revised operation
- * @dev: 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 request_queue *q, struct bio *bio, dev_t dev,
- sector_t from),
-
- TP_ARGS(q, bio, dev, from),
-
- 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(dev_t, old_dev, dev)
- ctf_integer(sector_t, old_sector, from)
- )
-)
-
-/**
- * block_rq_remap - map request for a block operation request
- * @q: queue holding the operation
- * @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_queue *q, struct request *rq, dev_t dev,
- sector_t from),
-
- TP_ARGS(q, 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))
- )
-)
-
-#undef __print_rwbs_flags
-#undef blk_fill_rwbs
-
-#endif /* LTTNG_TRACE_BLOCK_H */
-
-/* This part must be outside protection */
-#include <lttng/define_trace.h>
projects / lttng-modules.git / blobdiff