Provided by: systemtap-doc_2.9-2ubuntu2_all
NAME
probe::ioblock_trace.end - Fires whenever a block I/O transfer is complete.
SYNOPSIS
ioblock_trace.end
VALUES
bdev target block device q request queue on which this bio was queued. p_start_sect points to the start sector of the partition structure of the device bdev_contains points to the device object which contains the partition (when bio structure represents a partition) devname block device name size total size in bytes rw binary trace for read/write request ino i-node number of the mapped file name name of the probe point idx offset into the bio vector array phys_segments - number of segments in this bio after physical address coalescing is performed. 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 vcnt bio vector count which represents number of array element (page, offset, length) which makes up this I/O request
CONTEXT
The process signals the transfer is done.
SEE ALSO
tapset::ioblock(3stap)