diff --git a/share/man/man4/hwpmc.4 b/share/man/man4/hwpmc.4 --- a/share/man/man4/hwpmc.4 +++ b/share/man/man4/hwpmc.4 @@ -35,11 +35,27 @@ .Nm hwpmc .Nd "Hardware Performance Monitoring Counter support" .Sh SYNOPSIS +The following option must be present in the kernel configuration file: +.Bd -ragged -offset indent .Cd "options HWPMC_HOOKS" -.Cd "device hwpmc" +.Ed .Pp Additionally, for i386 systems: +.Bd -ragged -offset indent .Cd "device apic" +.Ed +.Pp +To load the driver as a module at boot time, place the +following line in +.Xr loader.conf 5 : +.Bd -ragged -offset indent +hwpmc_load="YES" +.Ed +.Pp +Alternatively, to compile this driver into the kernel: +.Bd -ragged -offset indent +.Cd "device hwpmc" +.Ed .Sh DESCRIPTION The .Nm