добавить новые имена в PMNS Performance Co-Pilot (add new names to the Performance Co-Pilot PMNS)
Имя (Name)
pmnsadd - add new names to the Performance Co-Pilot PMNS
Синопсис (Synopsis)
$PCP_BINADM_DIR/pmnsadd [-?] [-n namespace] file
Описание (Description)
pmnsmerge(1) performs the same function as pmnsadd and is faster,
more robust and more flexible. It is therefore recommended that
pmnsmerge(1) be used instead.
pmnsadd adds subtree(s) of new names into a Performance Metrics
Name Space (PMNS), as used by the components of the Performance
Co-Pilot (PCP).
Normally pmnsadd operates on the default Performance Metrics Name
Space (PMNS), however if the -n option is specified an
alternative namespace is used from the file namespace.
The default PMNS is found in the file $PCP_VAR_DIR/pmns/root
unless the environment variable PMNS_DEFAULT is set, in which
case the value is assumed to be the pathname to the file
containing the default PMNS.
The new names are specified in the file, arguments and conform to
the syntax for PMNS specifications, see PMNS(5). There is one
PMNS subtree in each file, and the base PMNS pathname to the
inserted subtree is identified by the first group named in each
file, e.g. if the specifications begin
myagent.foo.stuff {
mumble 123:45:1
fumble 123:45:2
}
then the new names will be added into the PMNS at the non-leaf
position identified by myagent.foo.stuff, and following all other
names with the prefix myagent.foo.
The new names must be contained within a single subtree of the
namespace. If disjoint subtrees need to be added, these must be
packaged into separate files and pmnsadd used on each, one at a
time.
All of the files defining the PMNS must be located within the
directory that contains the root of the PMNS, this would
typically be $PCP_VAR_DIR/pmns for the default PMNS, and this
would typically imply running pmnsadd as root.
As a special case, if file contains a line that begins root {
then it is assumed to be a complete PMNS that needs to be merged,
so none of the subtree extraction and rewriting is performed and
file is handed directly to pmnsmerge(1).
Provided some initial integrity checks are satisfied, pmnsadd
will update the PMNS using pmnsmerge(1) - if this fails for any
reason, the original namespace remains unchanged.
Параметры (Options)
The available command line options are:
-n pmnsfile
Load an alternative Performance Metrics Name Space (PMNS(5))
from the file pmnsfile.
-? Display usage message and exit.
Предостережение (Caveat)
Once the writing of the new namespace file has begun, the signals
SIGINT, SIGHUP and SIGTERM will be ignored to protect the
integrity of the new files.
Файлы (Files)
$PCP_VAR_DIR/pmns/root
the default PMNS, when the environment variable PMNS_DEFAULT
is unset
Окружение PCP (PCP environment)
Environment variables with the prefix PCP_ are used to
parameterize the file and directory names used by PCP. On each
installation, the file /etc/pcp.conf contains the local values
for these variables. The $PCP_CONF variable may be used to
specify an alternative configuration file, as described in
pcp.conf(5).
Смотри также (See also)
pmnsdel(1), pmnsmerge(1), pcp.conf(5), pcp.env(5) and PMNS(5).
