Provided by: systemtap-doc_3.1-3ubuntu0.1_all
NAME
probe::ioblock_trace.end - Fires whenever a block I/O transfer is complete.
SYNOPSIS
ioblock_trace.end
VALUES
bdev_contains points to the device object which contains the partition (when bio structure represents a partition) devname block device name 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 size total size in bytes sector beginning sector for the entire bio p_start_sect points to the start sector of the partition structure of the device name name of the probe point vcnt bio vector count which represents number of array element (page, offset, length) which makes up this I/O request rw binary trace for read/write request idx offset into the bio vector array phys_segments - number of segments in this bio after physical address coalescing is performed. ino i-node number of the mapped file q request queue on which this bio was queued. bdev target block device bytes_done number of bytes transferred
CONTEXT
The process signals the transfer is done.
SEE ALSO
tapset::ioblock(3stap)