Public bug reported:
IBS is a code profiling mechanism that enables the processor to select a random
instruction fetch or micro-op
after a programmed time interval has expired and record specific performance
information about the operation.
An interrupt is generated when the operation is complete as specified by
MSRC001_103A [IBS Control]. An
interrupt handler can then read the performance information thatwas logged for
the operation
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1385398
Title:
Carrizo : IBS instructions
Status in “linux” package in Ubuntu:
New
Bug description:
IBS is a code profiling mechanism that enables the processor to select a
random instruction fetch or micro-op
after a programmed time interval has expired and record specific performance
information about the operation.
An interrupt is generated when the operation is complete as specified by
MSRC001_103A [IBS Control]. An
interrupt handler can then read the performance information thatwas logged
for the operation
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