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powerpc: Instrument Hypervisor Calls

Mike Kravetz linuxppc-dev 1 version In review

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  1. v1 Latest3 patches 2 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/3powerpc: Instrument Hypervisor Calls: merge headersdrivers/net/ibmveth.h include/asm-powerpc/hvcall.h+8 -101 reply
2/3powerpc: Instrument Hypervisor Calls: add instrumentationarch/powerpc/Kconfig.debug arch/powerpc/platforms/pseries/Makefile arch/powerpc/platforms/pseries/hvCall.S +2 more+285 -01 reply
3/3powerpc: Instrument Hypervisor Calls: add debugfs filearch/powerpc/platforms/pseries/hvCall_inst.c+93 -00 replies

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Cover letter [PATCH 0/3] powerpc: Instrument Hypervisor Calls

Here is a version of the instrumentation patches built on top of Anton's hcall cleanup patch. In addition, I have gathered the timebase and PURR snapshots in assembly code. However, it still performs a call out to C code that updates the data structures.

I'd appreciate some comments on the assembly code as it has been a looooong time since I've written any.

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Mike

Read the cover letter in its thread