11.9.2 io Probe Arguments

The following table describes the arguments for the io probes.

Table 11.10 io Probe Arguments

Argument

Type

Description

args[0]

bufinfo_t *

The bufinfo_t for the corresponding I/O request.

args[1]

devinfo_t *

The devinfo_t for the device for the corresponding I/O request.

args[2]

fileinfo_t *

The fileinfo_t for the file for the corresponding I/O request.


Note

DTrace does not currently support the use of fileinfo_t with io probes. In Oracle Linux, no information is readily accessible at the level where the io probes fire about the file where an I/O request originated.