s390/perf: add support for the CPU-Measurement Sampling Facility

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Introduce a perf PMU, "cpum_sf", to support the CPU-Measurement
Sampling Facility.  You can control the sampling facility through
this perf PMU interfaces.  Perf sampling events are created for
hardware samples.

For details about the CPU-Measurement Sampling Facility, see
"The Load-Program-Parameter and the CPU-Measurement Facilities" (SA23-2260).

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Hendrik Brueckner 2013-12-12 16:32:47 +01:00 • committed by Martin Schwidefsky

parent c716832513

commit 8c069ff4bd

5 changed files with 1086 additions and 13 deletions

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14

arch/s390/include/asm/cpu_mf.h

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17

arch/s390/include/asm/perf_event.h

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2

arch/s390/kernel/Makefile

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1024

arch/s390/kernel/perf_cpum_sf.c

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42

arch/s390/kernel/perf_event.c

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