добавить экземпляр (ы) в текущий профиль экземпляра PMAPI (add instance(s) to the current PMAPI instance profile)
Имя (Name)
pmAddProfile - add instance(s) to the current PMAPI instance
profile
Синопсис C (C Synopsis)
#include <pcp/pmapi.h>
int pmAddProfile(pmInDom indom, int numinst, int *instlist);
cc ... -lpcp
Описание (Description)
The set of instances for performance metrics returned from a
pmFetch(3) call may be filtered or restricted using an instance
profile. There is one instance profile for each context the
application creates at the Performance Metrics Application
Programming Interface (PMAPI(3)), and each instance profile may
include instances from one or more instance domains (see
pmLookupDesc(3)).
pmAddProfile may be used to add new instance specifications to
the instance profile of the current PMAPI context.
In the simplest variant, the list of instances identified by the
instlist argument for the indom instance domain are added to the
instance profile. The list of instance identifiers contains
numinst values.
The indom value would normally be extracted from a call to
pmLookupDesc(3) for a particular performance metric, and the
instances in instlist would typically be determined by calls to
pmGetInDom(3) or pmLookupInDom(3).
To select all instances in all instance domains, use
pmAddProfile(PM_INDOM_NULL, 0, (int *)0)
This is the only case where indom may be equal to PM_INDOM_NULL.
If numinst is zero, or instlist is NULL, then all instances in
indom are selected.
Предостережение (Caveat)
It is possible to add non-existent instance domains and non-
existent instances to an instance profile. None of the routines
that use the instance profile will ever issue an error if you do
this. The cost of checking, when checking is possible, outweighs
any benefits.
Диагностика (Diagnostic)
PM_ERR_PROFILESPEC
indom was PM_INDOM_NULL and instlist was not empty
Смотри также (See also)
PMAPI(3), pmDelProfile(3), pmFetch(3), pmGetInDom(3),
pmLookupDesc(3), pmLookupInDom(3), pmNewContext(3),
pmUseContext(3) and pmWhichContext(3).
