Provided by: systemtap-doc_2.9-2ubuntu2_all 

NAME
probe::ioblock.end - Fires whenever a block I/O transfer is complete.
SYNOPSIS
ioblock.end
VALUES
devname
block device name
hw_segments
number of segments after physical and DMA remapping hardware coalescing is performed
phys_segments
number of segments in this bio after physical address coalescing is performed.
size
total size in bytes
rw
binary trace for read/write request
error
0 on success
ino
i-node number of the mapped file
name
name of the probe point
idx
offset into the bio vector array
vcnt
bio vector count which represents number of array element (page, offset, length) which makes up this
I/O request
sector
beginning sector for the entire bio
flags
see below BIO_UPTODATE 0 ok after I/O completion BIO_RW_BLOCK 1 RW_AHEAD set, and read/write would
block BIO_EOF 2 out-out-bounds error BIO_SEG_VALID 3 nr_hw_seg valid BIO_CLONED 4 doesn't own data
BIO_BOUNCED 5 bio is a bounce bio BIO_USER_MAPPED 6 contains user pages BIO_EOPNOTSUPP 7 not
supported
bytes_done
number of bytes transferred
CONTEXT
The process signals the transfer is done.
SEE ALSO
tapset::ioblock(3stap)
SystemTap Tapset Reference April 2016 PROBE::IOBLOCK.END(3stap)