| memcontrol.8 (79755) | memcontrol.8 (99968) |
|---|---|
| 1.\" Copyright (c) 1999 Chris Costello 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 1999 Chris Costello 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/usr.sbin/memcontrol/memcontrol.8 79755 2001-07-15 08:06:20Z dd $ | 25.\" $FreeBSD: head/usr.sbin/memcontrol/memcontrol.8 99968 2002-07-14 14:47:15Z charnier $ |
| 26.\" 27.Dd September 28, 1999 28.Dt MEMCONTROL 8 29.Os 30.Sh NAME 31.Nm memcontrol 32.Nd "control system cache behaviour with respect to memory" 33.Sh SYNOPSIS --- 16 unchanged lines hidden (view full) --- 50.Ar clear 51.Fl b Ar base 52.Fl l Ar length 53.Sh DESCRIPTION 54A number of supported system architectures allow the behaviour of the CPU 55cache to be programmed to behave differently depending on the region being 56written. 57.Pp | 26.\" 27.Dd September 28, 1999 28.Dt MEMCONTROL 8 29.Os 30.Sh NAME 31.Nm memcontrol 32.Nd "control system cache behaviour with respect to memory" 33.Sh SYNOPSIS --- 16 unchanged lines hidden (view full) --- 50.Ar clear 51.Fl b Ar base 52.Fl l Ar length 53.Sh DESCRIPTION 54A number of supported system architectures allow the behaviour of the CPU 55cache to be programmed to behave differently depending on the region being 56written. 57.Pp |
| 58.Nm Memcontrol | 58The 59.Nm 60utility |
| 59provides an interface to this facility, allowing CPU cache behavior to 60be altered for ranges of system physical memory. 61.Pp 62These ranges are typically power-of-2 aligned and sized, however the specific 63rules governing their layout vary between architectures. The 64.Nm | 61provides an interface to this facility, allowing CPU cache behavior to 62be altered for ranges of system physical memory. 63.Pp 64These ranges are typically power-of-2 aligned and sized, however the specific 65rules governing their layout vary between architectures. The 66.Nm |
| 65program does not attempt to enforce these rules, however the system will | 67utility does not attempt to enforce these rules, however the system will |
| 66reject any attempt to set an illegal combination. 67.Bl -tag -width clear 68.It Ar list 69List range slots. 70.Bl -tag -width xxxxxx 71.It Op Fl a 72List all range slots, even those that are inactive 73.El --- 40 unchanged lines hidden --- | 68reject any attempt to set an illegal combination. 69.Bl -tag -width clear 70.It Ar list 71List range slots. 72.Bl -tag -width xxxxxx 73.It Op Fl a 74List all range slots, even those that are inactive 75.El --- 40 unchanged lines hidden --- |