tapset::perf man page on SuSE

tapset::perf man page on SuSE

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TAPSET::PERF(3stap)					   TAPSET::PERF(3stap)

NAME
       tapset::perf - systemtap perf probe points

DESCRIPTION
       This  family of probe points is used to probe "perf events" on suitably
       configured kernels (2.6.33+).  It contains a number of aliases for  the
       ABI-specified event type/config tuples.

       The  default sampling interval of the translator (1000000) is not over‐
       ridden, so some of these probe points may fire very infrequently.   Use
       the lower level perf.type(AA).config(BB).sample(CC) probe point if this
       is a problem.

       perf.hw.*
	      A variety of hardware events,  as	 generalized  by  the  kernel.
	      These  generally	require running on bare hardware with selected
	      processors.
	      probe perf.hw.cpu_cycles
	      probe perf.hw.instructions
	      probe perf.hw.cache_references
	      probe perf.hw.cache_misses
	      probe perf.hw.branch_instructions
	      probe perf.hw.branch_misses
	      probe perf.hw.bus_cycles

       perf.sw.*
	      Special "software" events provided by the kernel.	  These	 some‐
	      times  work  in virtualized environments and with more processor
	      architectures.
	      probe perf.sw.cpu_clock
	      probe perf.sw.task_clock
	      probe perf.sw.page_faults
	      probe perf.sw.context_switches
	      probe perf.sw.cpu_migrations
	      probe perf.sw.page_faults_min
	      probe perf.sw.page_faults_maj
	      probe perf.sw.alignment_faults
	      probe perf.sw.emulation_faults

       perf.hw_cache.TYPE.ACCESS.RESULT
	      Hardware cache events, where available.  A subset of the follow‐
	      ing cartesian product may be available:
	      probe perf.hw_cache.l1d.*.*
	      probe perf.hw_cache.l1i.*.*
	      probe perf.hw_cache.ll.*.*
	      probe perf.hw_cache.dtlb.*.*
	      probe perf.hw_cache.itlb.*.*
	      probe perf.hw_cache.bpu.*.*

	      probe perf.hw_cache.*.read.*
	      probe perf.hw_cache.*.write.*
	      probe perf.hw_cache.*.prefetch.*

	      probe perf.hw_cache.*.*.access
	      probe perf.hw_cache.*.*.miss

SEE ALSO
       stap(1), stapprobes(3stap)

IBM							   TAPSET::PERF(3stap)

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