diff options
Diffstat (limited to 'share')
-rw-r--r-- | share/man/man4/hwpmc.4 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/share/man/man4/hwpmc.4 b/share/man/man4/hwpmc.4 index ca02427..293ca54 100644 --- a/share/man/man4/hwpmc.4 +++ b/share/man/man4/hwpmc.4 @@ -70,6 +70,7 @@ The driver supports the use of hardware PMCs for counting or for sampling: .Bl -tag -width ".Em Counting" +.It Em Counting In counting modes, the PMCs count hardware events. These counts are retrievable using the .Dv PMC_OP_PMCREAD @@ -500,6 +501,16 @@ The value for tunable .Va kern.hwpmc.nsamples was negative or greater than 65535. .El +.Sh COMPATIBILITY +The +.Nm +driver is +.Ud +The API and ABI documented in this manual page may change in +the future. +The recommended method of accessing this driver is using the +.Xr pmc 3 +API. .Sh ERRORS A command issued to the .Nm @@ -685,12 +696,18 @@ driver. .Sh SEE ALSO .Xr kenv 1 , .Xr pmc 3 , +.Xr pmclog 3 , .Xr kgmon 8 , .Xr kldload 8 , .Xr pmccontrol 8 , .Xr pmcstat 8 , .Xr sysctl 8 , .Xr p_candebug 9 +.Sh HISTORY +The +.Nm +driver first appeared in +.Fx 6.0 . .Sh BUGS The driver samples the state of the kernel's logical processor support at the time of initialization (i.e., at module load time). |