tapset::ioblock.3stap man page

tapset::ioblock — systemtap ioblock tapset

Description

ioblock.request

Fires whenever making a generic block I/O request.

See probe::ioblock.request(3stap)
for details.

ioblock.end

Fires whenever a block I/O transfer is complete.

See probe::ioblock.end(3stap)
for details.

ioblock_trace.bounce

Fires whenever a buffer bounce is needed for at least one page of a block IO request.

See probe::ioblock_trace.bounce(3stap)
for details.

ioblock_trace.request

Fires just as a generic block I/O request is created for a bio.

See probe::ioblock_trace.request(3stap)
for details.

ioblock_trace.end

Fires whenever a block I/O transfer is complete.

See probe::ioblock_trace.end(3stap)
for details.

See Also

probe::ioblock.request(3stap), probe::ioblock.end(3stap), probe::ioblock_trace.bounce(3stap), probe::ioblock_trace.request(3stap), probe::ioblock_trace.end(3stap), stap(1), stapprobes(3stap)

Info

March 2016 SystemTap Tapset Reference