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