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probe::ioblock.end(3stap) — Linux manual page

PROBE...K.END(3stap)  IO Scheduler and block IO TapsPROBE...K.END(3stap)

NAME        top

       probe::ioblock.end - Fires whenever a block I/O transfer is       complete.

SYNOPSIS        top

       ioblock.end

VALUES        top

ino           i-node number of the mapped fileerror           0 on successdevname           block device namesize           total size in bytesbytes_done           number of bytes transferredhw_segments           number of segments after physical and DMA remapping hardware           coalescing is performedphys_segments           number of segments in this bio after physical address           coalescing is performed.name           name of the probe pointvcnt           bio vector count which represents number of array element           (page, offset, length) which makes up this I/O requestopf           operations and flagsidx           offset into the bio vector arrayrw           binary trace for read/write requestsector           beginning sector for the entire bioflags           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

CONTEXT        top

       The process signals the transfer is done.

SEE ALSO        top

tapset::ioblock(3stap)

COLOPHON        top

       This page is part of thesystemtap (a tracing and live-system       analysis tool) project.  Information about the project can be       found at ⟨https://sourceware.org/systemtap/⟩.  If you have a bug       report for this manual page, send it to systemtap@sourceware.org.       This page was obtained from the project's upstream Git repository       ⟨git://sourceware.org/git/systemtap.git⟩ on 2025-08-11.  (At that       time, the date of the most recent commit that was found in the       repository was 2025-07-24.)  If you discover any rendering       problems in this HTML version of the page, or you believe there is       a better or more up-to-date source for the page, or you have       corrections or improvements to the information in this COLOPHON       (which isnot part of the original manual page), send a mail to       man-pages@man7.orgSystemTap Tapset Reference      April 2025PROBE...K.END(3stap)

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