#undef TRACE_SYSTEM
#define TRACE_SYSTEM block
#if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_BLOCK_H
#include <linux/blktrace_api.h>
#include <linux/blkdev.h>
#include <linux/buffer_head.h>
#include <linux/tracepoint.h>
#define RWBS_LEN 8
DECLARE_EVENT_CLASS(block_buffer,
TP_PROTO(struct buffer_head *bh),
TP_ARGS(bh),
TP_STRUCT__entry (
__field( dev_t, dev )
__field( sector_t, sector )
__field( size_t, size )
),
TP_fast_assign(
__entry->dev = bh->b_bdev->bd_dev;
__entry->sector = bh->b_blocknr;
__entry->size = bh->b_size;
),
TP_printk("%d,%d sector=%llu size=%zu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->sector, __entry->size
)
);
DEFINE_EVENT(block_buffer, block_touch_buffer,
TP_PROTO(struct buffer_head *bh),
TP_ARGS(bh)
);
DEFINE_EVENT(block_buffer, block_dirty_buffer,
TP_PROTO(struct buffer_head *bh),
TP_ARGS(bh)
);
DECLARE_EVENT_CLASS(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 )
__array( char, rwbs, RWBS_LEN )
__dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
),
TP_fast_assign(
__entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
__entry->sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
0 : blk_rq_pos(rq);
__entry->nr_sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
0 : blk_rq_sectors(rq);
__entry->errors = rq->errors;
blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
blk_dump_cmd(__get_str(cmd), rq);
),
TP_printk("%d,%d %s (%s) %llu + %u [%d]",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->rwbs, __get_str(cmd),
(unsigned long long)__entry->sector,
__entry->nr_sector, __entry->errors)
);
DEFINE_EVENT(block_rq_with_error, block_rq_abort,
TP_PROTO(struct request_queue *q, struct request *rq),
TP_ARGS(q, rq)
);
DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
TP_PROTO(struct request_queue *q, struct request *rq),
TP_ARGS(q, rq)
);
TRACE_EVENT(block_rq_complete,
TP_PROTO(struct request_queue *q, struct request *rq,
unsigned int nr_bytes),
TP_ARGS(q, rq, nr_bytes),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( sector_t, sector )
__field( unsigned int, nr_sector )
__field( int, errors )
__array( char, rwbs, RWBS_LEN )
__dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
),
TP_fast_assign(
__entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
__entry->sector = blk_rq_pos(rq);
__entry->nr_sector = nr_bytes >> 9;
__entry->errors = rq->errors;
blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, nr_bytes);
blk_dump_cmd(__get_str(cmd), rq);
),
TP_printk("%d,%d %s (%s) %llu + %u [%d]",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->rwbs, __get_str(cmd),
(unsigned long long)__entry->sector,
__entry->nr_sector, __entry->errors)
);
DECLARE_EVENT_CLASS(block_rq,
TP_PROTO(struct request_queue *q, struct request *rq),
TP_ARGS(q, rq),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( sector_t, sector )
__field( unsigned int, nr_sector )
__field( unsigned int, bytes )
__array( char, rwbs, RWBS_LEN )
__array( char, comm, TASK_COMM_LEN )
__dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
),
TP_fast_assign(
__entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
__entry->sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
0 : blk_rq_pos(rq);
__entry->nr_sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
0 : blk_rq_sectors(rq);
__entry->bytes = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
blk_rq_bytes(rq) : 0;
blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
blk_dump_cmd(__get_str(cmd), rq);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->rwbs, __entry->bytes, __get_str(cmd),
(unsigned long long)__entry->sector,
__entry->nr_sector, __entry->comm)
);
DEFINE_EVENT(block_rq, block_rq_insert,
TP_PROTO(struct request_queue *q, struct request *rq),
TP_ARGS(q, rq)
);
DEFINE_EVENT(block_rq, block_rq_issue,
TP_PROTO(struct request_queue *q, struct request *rq),
TP_ARGS(q, rq)
);
TRACE_EVENT(block_bio_bounce,
TP_PROTO(struct request_queue *q, struct bio *bio),
TP_ARGS(q, bio),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( sector_t, sector )
__field( unsigned int, nr_sector )
__array( char, rwbs, RWBS_LEN )
__array( char, comm, TASK_COMM_LEN )
),
TP_fast_assign(
__entry->dev = bio->bi_bdev ?
bio->bi_bdev->bd_dev : 0;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
TP_printk("%d,%d %s %llu + %u [%s]",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
(unsigned long long)__entry->sector,
__entry->nr_sector, __entry->comm)
);
TRACE_EVENT(block_bio_complete,
TP_PROTO(struct request_queue *q, struct bio *bio, int error),
TP_ARGS(q, bio, error),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( sector_t, sector )
__field( unsigned, nr_sector )
__field( int, error )
__array( char, rwbs, RWBS_LEN)
),
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
__entry->error = error;
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u [%d]",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
(unsigned long long)__entry->sector,
__entry->nr_sector, __entry->error)
);
DECLARE_EVENT_CLASS(block_bio_merge,
TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
TP_ARGS(q, rq, bio),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( sector_t, sector )
__field( unsigned int, nr_sector )
__array( char, rwbs, RWBS_LEN )
__array( char, comm, TASK_COMM_LEN )
),
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
TP_printk("%d,%d %s %llu + %u [%s]",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
(unsigned long long)__entry->sector,
__entry->nr_sector, __entry->comm)
);
DEFINE_EVENT(block_bio_merge, block_bio_backmerge,
TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
TP_ARGS(q, rq, bio)
);
DEFINE_EVENT(block_bio_merge, block_bio_frontmerge,
TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
TP_ARGS(q, rq, bio)
);
TRACE_EVENT(block_bio_queue,
TP_PROTO(struct request_queue *q, struct bio *bio),
TP_ARGS(q, bio),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( sector_t, sector )
__field( unsigned int, nr_sector )
__array( char, rwbs, RWBS_LEN )
__array( char, comm, TASK_COMM_LEN )
),
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
TP_printk("%d,%d %s %llu + %u [%s]",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
(unsigned long long)__entry->sector,
__entry->nr_sector, __entry->comm)
);
DECLARE_EVENT_CLASS(block_get_rq,
TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
TP_ARGS(q, bio, rw),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( sector_t, sector )
__field( unsigned int, nr_sector )
__array( char, rwbs, RWBS_LEN )
__array( char, comm, TASK_COMM_LEN )
),
TP_fast_assign(
__entry->dev = bio ? bio->bi_bdev->bd_dev : 0;
__entry->sector = bio ? bio->bi_iter.bi_sector : 0;
__entry->nr_sector = bio ? bio_sectors(bio) : 0;
blk_fill_rwbs(__entry->rwbs,
bio ? bio->bi_rw : 0, __entry->nr_sector);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
TP_printk("%d,%d %s %llu + %u [%s]",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
(unsigned long long)__entry->sector,
__entry->nr_sector, __entry->comm)
);
DEFINE_EVENT(block_get_rq, block_getrq,
TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
TP_ARGS(q, bio, rw)
);
DEFINE_EVENT(block_get_rq, block_sleeprq,
TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
TP_ARGS(q, bio, rw)
);
TRACE_EVENT(block_plug,
TP_PROTO(struct request_queue *q),
TP_ARGS(q),
TP_STRUCT__entry(
__array( char, comm, TASK_COMM_LEN )
),
TP_fast_assign(
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
TP_printk("[%s]", __entry->comm)
);
DECLARE_EVENT_CLASS(block_unplug,
TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
TP_ARGS(q, depth, explicit),
TP_STRUCT__entry(
__field( int, nr_rq )
__array( char, comm, TASK_COMM_LEN )
),
TP_fast_assign(
__entry->nr_rq = depth;
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
);
DEFINE_EVENT(block_unplug, block_unplug,
TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
TP_ARGS(q, depth, explicit)
);
TRACE_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 )
__array( char, rwbs, RWBS_LEN )
__array( char, comm, TASK_COMM_LEN )
),
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->new_sector = new_sector;
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
TP_printk("%d,%d %s %llu / %llu [%s]",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
(unsigned long long)__entry->sector,
(unsigned long long)__entry->new_sector,
__entry->comm)
);
TRACE_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 )
__array( char, rwbs, RWBS_LEN)
),
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
__entry->old_dev = dev;
__entry->old_sector = from;
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
(unsigned long long)__entry->sector,
__entry->nr_sector,
MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
(unsigned long long)__entry->old_sector)
);
TRACE_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, nr_bios )
__array( char, rwbs, RWBS_LEN)
),
TP_fast_assign(
__entry->dev = disk_devt(rq->rq_disk);
__entry->sector = blk_rq_pos(rq);
__entry->nr_sector = blk_rq_sectors(rq);
__entry->old_dev = dev;
__entry->old_sector = from;
__entry->nr_bios = blk_rq_count_bios(rq);
blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
),
TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu %u",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
(unsigned long long)__entry->sector,
__entry->nr_sector,
MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
(unsigned long long)__entry->old_sector, __entry->nr_bios)
);
#endif
#include <trace/define_trace.h>