This patch is largely stylistic, and gets rid of StuddlyCaps formatting in
all the param variables, make consistant use of bold and italics in the the
man pages to make it easier to read, and adds a few minor content additions.
It makes actually reading the man page a lot easier.
Signed-off-by: Sean Dague <sean@xxxxxxxxx>
Diffstat output:
xm.pod.1 | 232 +++++++++++++++++++++++++++++++++------------------------------
1 files changed, 125 insertions(+), 107 deletions(-)
diff -r e5e91fa69741 docs/man/xm.pod.1
--- a/docs/man/xm.pod.1 Mon Nov 14 19:00:45 2005 -0500
+++ b/docs/man/xm.pod.1 Mon Nov 14 23:54:59 2005 -0500
@@ -15,9 +15,9 @@
The basic structure of every xm command is almost always:
- xm <SubCommand> <DomId> [OPTIONS]
-
-Where I<SubCommand> is one of the sub commands listed below, I<DomId>
+ xm <subcommand> <domain-id> [OPTIONS]
+
+Where I<subcommand> is one of the sub commands listed below, I<domain-id>
is the numeric domain id, or the domain name (which will be internally
translated to domain id), and I<OPTIONS> are sub command specific
options. There are a few exceptions to this rule in the cases where
@@ -46,13 +46,13 @@
=head1 DOMAIN SUBCOMMANDS
The following sub commands manipulate domains directly, as stated
-previously most commands take DomId as the first parameter.
-
-=over 4
-
-=item I<console> <DomId>
-
-Attach to domain DomId's console. If you've set up your Domains to
+previously most commands take domain-id as the first parameter.
+
+=over 4
+
+=item B<console> I<domain-id>
+
+Attach to domain domain-id's console. If you've set up your Domains to
have a traditional log in console this will look much like a normal
text log in screen.
@@ -63,15 +63,15 @@
so running curses based interfaces over the console B<is not
advised>. Vi tends to get very odd when using it over this interface.
-=item I<create> [-c] <ConfigFile> [Name=Value]..
-
-The create sub command requires a ConfigFile and can optional take a
+=item B<create> I<[-c]> I<configfile> I<[name=value]>..
+
+The create sub command requires a configfile and can optional take a
series of name value pairs that add to or override variables defined
in the config file. See L<xmdomain.cfg> for full details of that file
-format, and possible options used in either the ConfigFile or
+format, and possible options used in either the configfile or
Name=Value combinations.
-ConfigFile can either be an absolute path to a file, or a relative
+Configfile can either be an absolute path to a file, or a relative
path to a file located in /etc/xen.
Create will return B<as soon> as the domain is started. This B<does
@@ -82,7 +82,7 @@
=over 4
-=item I<-c>
+=item B<-c>
Attache console to the domain as soon as it has started. This is
useful for determining issues with crashing domains.
@@ -114,42 +114,42 @@
=back
-=item I<destroy> <DomId>
-
-Immediately terminate the domain DomId. This doesn't give the domain
+=item B<destroy> I<domain-id>
+
+Immediately terminate the domain domain-id. This doesn't give the domain
OS any chance to react, and it the equivalent of ripping the power
cord out on a physical machine. In most cases you will want to use
the B<shutdown> command instead.
-=item I<domid> <DomName>
+=item B<domid> I<domain-name>
Converts a domain name to a domain id using xend's internal mapping.
-=item I<domname> <DomId>
+=item B<domname> I<domain-id>
Converts a domain id to a domain name using xend's internal mapping.
-=item I<help> [--long]
+=item B<help> I<[--long]>
Displays the short help message (i.e. common commands).
The I<--long> option prints out the complete set of B<xm> subcommands,
grouped by function.
-=item I<list> [--long] [DomId, ...]
+=item B<list> I<[--long]> I<[domain-id, ...]>
Prints information about one or more domains. If no domains are
specified it prints out information about all domains.
An example format for the list is as follows:
- Name ID Mem(MiB) VCPUs State Time(s)
- Domain-0 0 98 1 r----- 5068.6
- Fedora3 164 128 1 r----- 7.6
- Fedora4 165 128 1 ------ 0.6
- Mandrake2006 166 128 1 -b---- 3.6
- Mandrake10.2 167 128 1 ------ 2.5
- Suse9.2 168 100 1 ------ 1.8
+ Name ID Mem(MiB) VCPUs State Time(s)
+ Domain-0 0 98 1 r----- 5068.6
+ Fedora3 164 128 1 r----- 7.6
+ Fedora4 165 128 1 ------ 0.6
+ Mandrake2006 166 128 1 -b---- 3.6
+ Mandrake10.2 167 128 1 ------ 2.5
+ Suse9.2 168 100 1 ------ 1.8
Name is the name of the domain. ID the domain numeric id. Mem is the
size of the memory allocated to the domain. VCPUS is the number of
@@ -163,34 +163,34 @@
The State field lists 6 states for a Xen Domain, and which ones the
current Domain is in.
-=item I<r - running>
+=item B<r - running>
The domain is currently running on a CPU
-=item I<b - blocked>
+=item B<b - blocked>
The domain is blocked, and not running or runable. This can be caused
because the domain is waiting on IO (a traditional wait state) or has
gone to sleep because there was nothing else for it to do.
-=item I<p - paused>
+=item B<p - paused>
The domain has been paused, usually occurring through the administrator
running B<xm pause>. When in a paused state the domain will still
consume allocated resources like memory, but will not be eligible for
scheduling by the Xen hypervisor.
-=item I<s - shutdown>
+=item B<s - shutdown>
FIXME: Why would you ever see this state?
-=item I<c - crashed>
+=item B<c - crashed>
The domain has crashed, which is always a violent ending. Usually
this state can only occur if the domain has been configured not to
restart on crash. See L<xmdomain.cfg> for more info.
-=item I<d - dying>
+=item B<d - dying>
The domain is in process of dying, but hasn't completely shutdown or
crashed.
@@ -226,7 +226,7 @@
=back
-=item I<mem-max> <DomId> <Mem>
+=item B<mem-max> I<domain-id> I<mem>
Specify the maximum amount of memory the Domain is able to use. Mem
is specified in megabytes.
@@ -234,7 +234,7 @@
The mem-max value may not correspond to the actual memory used in the
Domain, as it may balloon down it's memory to give more back to the OS.
-=item I<mem-set> <DomId> <Mem>
+=item B<mem-set> I<domain-id> I<mem>
Set the domain's used memory using the balloon driver. Because this
operation requires cooperation from the domain operating system, there
@@ -244,7 +244,7 @@
mem-set will make a domain unstable and cause it to crash. Be very
careful when using this command on running domains.
-=item I<migrate> <DomId> <Host> [Options]
+=item B<migrate> I<domain-id> I<host> I<[options]>
Migrate a domain to another Host machine. B<Xend> must be running on
other host machine, it must be running the same version of xen, it
@@ -261,13 +261,13 @@
=over 4
-=item I<-l, --live>
+=item B<-l, --live>
Use live migration. This will migrate the domain between hosts
without shutting down the domain. See the Xen Users Guide for more
information.
-=item I<-r, --resource> Mbs
+=item B<-r, --resource> I<Mbs>
Set maximum Mbs allowed for migrating the domain. This ensures that
the network link is not saturated with migration traffic while
@@ -275,13 +275,13 @@
=back
-=item I<pause> <DomId>
+=item B<pause> I<domain-id>
Pause a domain. When in a paused state the domain will still consume
allocated resources such as memory, but will not be eligible for
scheduling by the Xen hypervisor.
-=item I<reboot> [Options] <DomId>
+=item B<reboot> I<[options]> I<domain-id>
Reboot a domain. This acts just as if the domain had the B<reboot>
command run from the console. The command returns as soon as it has
@@ -289,29 +289,29 @@
domain actually reboots.
The behavior of what happens to a domain when it reboots is set by the
-B<on_reboot> parameter of the xmdomain.cfg file when the domain was
+I<on_reboot> parameter of the xmdomain.cfg file when the domain was
created.
B<OPTIONS>
=over 4
-=item I<-a, --all>
+=item B<-a, --all>
Reboot all domains
-=item I<-w, --wait>
+=item B<-w, --wait>
Wait for reboot to complete before returning. This may take a while,
as all services in the domain will have to be shut down cleanly.
=back
-=item I<restore> <File>
+=item B<restore> I<state-file>
Build a domain from an B<xm save> state file. See I<save> for more info.
-=item I<save> <DomId> <File>
+=item B<save> I<domain-id> I<state-file>
Saves a running domain to a state file so that it can be restored
later. Once saved, the domain will no longer be running on the
@@ -322,7 +322,7 @@
with all the same limitations. Open network connections may be
severed upon restore, as TCP timeouts may have expired.
-=item I<shutdown> [Options] <DomId>
+=item B<shutdown> I<[options]> I<domain-id>
Gracefully shuts down a domain. This coordinates with the domain OS
to perform graceful shutdown, so there is no guaruntee that it will
@@ -331,55 +331,55 @@
immediately after signally the domain unless that I<-w> flag is used.
The behavior of what happens to a domain when it reboots is set by the
-B<on_shutdown> parameter of the xmdomain.cfg file when the domain was
+I<on_shutdown> parameter of the xmdomain.cfg file when the domain was
created.
B<OPTIONS>
=over 4
-=item I<-a>
+=item B<-a>
Shutdown B<all> domains. Often used when doing a complete shutdown of
a Xen system.
-=item I<-w>
+=item B<-w>
Wait for the domain to complete shutdown before returning.
=back
-=item I<sysrq> <DomId> <letter>
+=item B<sysrq> I<domain-id> I<letter>
Send a I<Magic System Request> signal to the domain. For more
information on available magic sys req operations, see sysrq.txt in
your Linux Kernel sources.
-=item I<unpause> <DomId>
+=item B<unpause> I<domain-id>
Moves a domain out of the paused state. This will allow a previously
paused domain to now be eligible for scheduling by the Xen hypervisor.
-=item I<set-vcpus> <DomId> <VCPUCount>
-
-Enables the I<VCPUcount> virtual CPUs for the domain in question.
+=item B<set-vcpus> I<domain-id> I<vcpu-count>
+
+Enables the I<vcpu-count> virtual CPUs for the domain in question.
Like mem-set, this command can only allocate up to the maximum virtual
CPU count configured at boot for the domain.
-If the VCPUcount is smaller than the current number of active VCPUs,
-the highest number VCPUs will be hotplug removed. This may be
+If the I<vcpu-count> is smaller than the current number of active
+VCPUs, the highest number VCPUs will be hotplug removed. This may be
important for pinning purposes.
Attempting to set-vcpus to a number larger than the initially
configured VCPU count is an error. Trying to set-vcpus to < 1 will be
quietly ignored.
-=item I<vpcu-list> [DomID]
+=item B<vpcu-list> I<[domain-id]>
Lists VCPU information for a specific domain. If no domain is
specified, VCPU information for all domains will be provided.
-=item I<vcpu-pin> <DomId> <VCPU> <CPUs>
+=item B<vcpu-pin> I<domain-id> I<vcpu> I<cpus>
Pins the the VCPU to only run on the specific CPUs.
@@ -394,7 +394,7 @@
=over 4
-=item I<dmesg> [OPTION]
+=item B<dmesg> I<[-c]>
Reads the Xen message buffer, similar to dmesg on a Linux system. The
buffer contains informational, warning, and error messages created
@@ -405,19 +405,20 @@
=over 4
-=item I<-c, --clear>
+=item B<-c, --clear>
Clears Xen's message buffer.
=back
-=item I<info>
+=item B<info>
Print information about the Xen host in I<name : value> format. When
reporting a Xen bug, please provide this information as part of the
bug report.
-Sample xen domain info looks as follows:
+Sample xen domain info looks as follows (lines wrapped manually to
+make the man page more readable):
system : Linux
host : talon
@@ -438,8 +439,10 @@
xen_extra : -devel
xen_caps : xen-3.0-x86_32
xen_params : virt_start=0xfc000000
- xen_changeset : Mon Nov 14 18:13:38 2005 +0100 7793:090e44133d40
- cc_compiler : gcc version 3.4.3 (Mandrakelinux 10.2 3.4.3-7mdk)
+ xen_changeset : Mon Nov 14 18:13:38 2005 +0100
+ 7793:090e44133d40
+ cc_compiler : gcc version 3.4.3 (Mandrakelinux
+ 10.2 3.4.3-7mdk)
cc_compile_by : sdague
cc_compile_domain : (none)
cc_compile_date : Mon Nov 14 14:16:48 EST 2005
@@ -473,16 +476,16 @@
=back
-=item I<log>
+=item B<log>
Print out the B<xend> log. This log file can be found in
/var/log/xend.log.
-=item I<top>
+=item B<top>
Executes the xentop command, which provides real time monitoring of
domains. Xentop is a curses interface, and reasonably self
-explainitory.
+explanatory.
=back
@@ -496,7 +499,7 @@
=over 4
-=item I<sched-bvt> <mcuadv> <warpback> <warpvalue> <warpl> <warpu>
+=item B<sched-bvt> I<mcuadv> I<warpback> I<warpvalue> I<warpl> I<warpu>
Performs runtime adjustments to the default parameters for the
Borrowed Virtual Time (BVT) scheduler. For full information on the
@@ -506,37 +509,38 @@
Set Borrowed Virtual Time (BVT) scheduler parameters. There are five
required parameters, which are given in order below.
+FIXME: what units are all the BVT params in?
+
B<PARAMETERS>
=over 4
-=item L<mcuadv>
+=item I<mcuadv>
The MCU (Minimum Charging Unit) advance determines the proportional
share of the CPU that a domain receives. It is set inversely
proportionally to a domain's sharing weight.
-=item L<warpback>
+=item I<warpback>
The amount of `virtual time' the domain is allowed to warp backwards.
-=item L<warpvalue>
-
-
-Warp value
-
-=item L<warpl>
+=item I<warpvalue>
+
+Warp value (FIXME: what does this really mean?)
+
+=item I<warpl>
The warp limit is the maximum time a domain can run warped for.
-=item L<warpu>
+=item I<warpu>
The unwarp requirement is the minimum time a domain must run unwarped
for before it can warp again.
=back
-=item I<sched-bvt-ctxallow> <Allow>
+=item B<sched-bvt-ctxallow> I<allow>
Sets the BVT scheduler's context switch allowance.
@@ -544,7 +548,7 @@
traditional schedulers. It is the minimum time that a scheduled domain
will be allowed to run before being preempted.
-=item I<sched-sedf> <period> <slice> <latency-hint> <extratime> <weight>
+=item B<sched-sedf> I<period> I<slice> I<latency-hint> I<extratime> I<weight>
Set Simple EDF scheduler parameters. This scheduler provides weighted
CPU sharing in an intuitive way and uses realtime-algorithms to ensure
@@ -581,27 +585,27 @@
B<EXAMPLES>
-normal EDF (20ms/5ms):
+I<normal EDF (20ms/5ms):>
xm sched-sedf <dom-id> 20000000 5000000 0 0 0
-best-effort domains (i.e. non-realtime):
+I<best-effort domains (i.e. non-realtime):>
xm sched-sedf <dom-id> 20000000 0 0 1 0
-normal EDF (20ms/5ms) + share of extra-time:
+I<normal EDF (20ms/5ms) + share of extra-time:>
xm sched-sedf <dom-id> 20000000 5000000 0 1 0
-4 domains with weights 2:3:4:2
+I<4 domains with weights 2:3:4:2>
xm sched-sedf <d1> 0 0 0 0 2
xm sched-sedf <d2> 0 0 0 0 3
xm sched-sedf <d3> 0 0 0 0 4
xm sched-sedf <d4> 0 0 0 0 2
-1 fully-specified (10ms/3ms) domain, 3 other domains share available
-rest in 2:7:3 ratio:
+I<1 fully-specified (10ms/3ms) domain, 3 other domains share available
+rest in 2:7:3 ratio:>
xm sched-sedf <d1> 10000000 3000000 0 0 0
xm sched-sedf <d2> 0 0 0 0 2
@@ -616,46 +620,60 @@
running. The effect to the guest OS is much the same as any hotplug
event.
-=over 4
-
-=item I<block-attach> <DomId> <BackDev> <FrontDev> <Mode> [BackDomId]
+=head2 BLOCK DEVICES
+
+=over 4
+
+=item B<block-attach> I<domain-id> I<be-dev> I<fe-dev> I<mode> I<[bedomain-id]>
Create a new virtual block device
-=item I<block-detach> <DomId> <DevId>
+=item B<block-detach> I<domain-id> I<devid>
Destroy a domain's virtual block device. DevId may either be a device
ID or the device name as mounted in the guest.
-=item I<block-list> <DomId>
-
-List virtual block devices for a domain.
-
-=item I<network-limit> <DomId> <Vif> <Credit> <Period>
+=item B<block-list> I<domain-id>
+
+List virtual block devices for a domain. The returned output is
+sexpression formatted.
+
+=head2 NETWORK DEVICES
+
+=item B<network-attach> I<domain-id> I<[script=script]> I<[ip=ipaddr]>
+I<[mac=macaddr]> I<[bridge=bridge-name]> I<[backend=bedomain-id]>
+
+=item B<network-detach> I<domain-id> I<devid>
+
+=item B<network-limit> I<domain-id> I<vif> I<credit> I<period>
Limit the transmission rate of a virtual network interface.
-=item I<network-list> <DomId>
-
-List virtual network interfaces for a domain.
+=item B<network-list> I<domain-id>
+
+List virtual network interfaces for a domain. The returned output is
+sexpression formatted.
=back
=head1 VNET COMMANDS
-The Virtual Network interfaces for Xen
-
-=over 4
-
-=item I<vnet-list> [-l|--long]
+The Virtual Network interfaces for Xen.
+
+FIXME: This needs a lot more explaination, or it needs to be ripped
+out entirely.
+
+=over 4
+
+=item B<vnet-list> I<[-l|--long]>
List vnets.
-=item I<vnet-create> <config>
+=item B<vnet-create> I<config>
Create a vnet from a config file.
-=item I<vnet-delete> <vnetid>
+=item B<vnet-delete> I<vnetid>
Delete a vnet.
--
__________________________________________________________________
Sean Dague Mid-Hudson Valley
sean at dague dot net Linux Users Group
http://dague.net http://mhvlug.org
There is no silver bullet. Plus, werewolves make better neighbors
than zombies, and they tend to keep the vampire population down.
__________________________________________________________________
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