Add COMPATIBILITY and HISTORY sections. Fix an -mdoc error.
Cross-reference pmclog(3). Reviewed by: ru
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@ -70,6 +70,7 @@ The
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driver supports the use of hardware PMCs for counting or for
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sampling:
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.Bl -tag -width ".Em Counting"
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.It Em Counting
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In counting modes, the PMCs count hardware events.
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These counts are retrievable using the
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.Dv PMC_OP_PMCREAD
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@ -500,6 +501,16 @@ The value for tunable
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.Va kern.hwpmc.nsamples
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was negative or greater than 65535.
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.El
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.Sh COMPATIBILITY
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The
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.Nm
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driver is
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.Ud
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The API and ABI documented in this manual page may change in
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the future.
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The recommended method of accessing this driver is using the
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.Xr pmc 3
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API.
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.Sh ERRORS
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A command issued to the
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.Nm
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@ -685,12 +696,18 @@ driver.
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.Sh SEE ALSO
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.Xr kenv 1 ,
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.Xr pmc 3 ,
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.Xr pmclog 3 ,
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.Xr kgmon 8 ,
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.Xr kldload 8 ,
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.Xr pmccontrol 8 ,
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.Xr pmcstat 8 ,
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.Xr sysctl 8 ,
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.Xr p_candebug 9
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Fx 6.0 .
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.Sh BUGS
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The driver samples the state of the kernel's logical processor support
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at the time of initialization (i.e., at module load time).
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