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| /openbmc/linux/arch/powerpc/perf/ |
| H A D | core-book3s.c | 356d8ce3 Sun Feb 12 11:03:14 CST 2017 Madhavan Srinivasan <maddy@linux.vnet.ibm.com> powerpc/perf: Use Instruction Counter value
Since PM_INST_DISP include speculative instruction,
based on the workload the dispatch count could vary
considerably. Hence as an alternative, for completed
instruction counting, program the PM_INST_DISP event
to the MMCR* but use Instruction Counter register value.
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
356d8ce3 Sun Feb 12 11:03:14 CST 2017 Madhavan Srinivasan <maddy@linux.vnet.ibm.com> powerpc/perf: Use Instruction Counter value
Since PM_INST_DISP include speculative instruction,
based on the workload the dispatch count could vary
considerably. Hence as an alternative, for completed
instruction counting, program the PM_INST_DISP event
to the MMCR* but use Instruction Counter register value.
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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