probe::ioblock_trace.end — Fires whenever a block I/O transfer is complete.
ioblock_trace.end
devnameblock device name
vcntbio vector count which represents number of array element (page, offset, length) which makes up this I/O request
idx
offset into the bio vector array
phys_segments - number of segments in this bio after physical address coalescing is performed.
opfoperations and flags
p_start_sectpoints to the start sector of the partition structure of the device
bdevtarget block device
bdev_containspoints to the device object which contains the partition (when bio structure represents a partition)
flagssee 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
namename of the probe point
inoi-node number of the mapped file
sizetotal size in bytes
bytes_donenumber of bytes transferred
qrequest queue on which this bio was queued.
sectorbeginning sector for the entire bio
rwbinary trace for read/write request