kernel-packages team mailing list archive

[Kim Naru <kim.naru@xxxxxxx>]

Patch accepted by Ingo into tip. Should make it in 3.19 kernel.

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https://bugs.launchpad.net/bugs/1385398

Title:
  Carrizo :  IBS instructions

Status in linux package in Ubuntu:
  Triaged

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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