libpmc: make pmc_pmu_pmcallocate() machine-independent
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Authored by mhorne on Jun 24 2023, 7:19 PM.

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rG49e1f23c7715: libpmc: make pmc_pmu_pmcallocate() machine-independent
rG196bb0e152cf: libpmc: make pmc_pmu_pmcallocate() machine-independent
rG45dcc17e2fb8: libpmc: make pmc_pmu_pmcallocate() machine-independent

Summary

Have it call the platform-dependent version. For better layering, move
the reset logic inside the new function. This is mainly to facilitate an
upcoming change.

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rG FreeBSD src repository

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Event Timeline

mhorne created this revision.Jun 24 2023, 7:19 PM

Herald added a subscriber: imp. · View Herald TranscriptJun 24 2023, 7:19 PM

mhorne requested review of this revision.Jun 24 2023, 7:19 PM

Harbormaster completed remote builds in B52276: Diff 123728.Jun 24 2023, 7:20 PM

jkoshy accepted this revision.Jul 7 2023, 6:48 AM

jkoshy added inline comments.

lib/libpmc/libpmc.c
1051	Not related to this change, but I noticed that the `count` parameter that was added in 2018 is both undocumented and unnecessary - `pmc_set(3)`being the recommended way to set or change the counts associated with a PMC.

This revision is now accepted and ready to land.Jul 7 2023, 6:48 AM

mhorne added inline comments.Jul 7 2023, 3:20 PM

lib/libpmc/libpmc.c
1051	It is documented by the `pmc_allocate(3)` man page at least -- apparently I did this in 50f6c13997008. But to your point, I do not know why it was added.