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pmlookupindom(3) [centos man page]

PMLOOKUPINDOM(3)					     Library Functions Manual						  PMLOOKUPINDOM(3)

pmLookupInDom - translate an instance name into an instance identifier C SYNOPSIS
#include <pcp/pmapi.h> int pmLookupInDom(pmInDom indom, const char *name); cc ... -lpcp DESCRIPTION
For the instance domain indom, in the current Performance Metrics Application Programming Interface (PMAPI) context, locate the instance with the external identification given by name, and return the internal instance identifier. Only the leading non-space characters of name will be used to identify the instance. The value for the instance domain indom is typically extracted from a pmDesc structure, following a call to pmLookupDesc(3) for a particu- lar performance metric. pmLookupInDom will return a positive instance identifier on success. SEE ALSO
PMAPI(3), pmGetConfig(3), pmGetInDom(3), pmLookupDesc(3), pmLookupInDomArchive(3), pmNameInDom(3), pcp.conf(5) and pcp.env(5). DIAGNOSTICS
PM_ERR_INDOM indom is not a valid instance domain identifier PM_ERR_INST The external instance name is not known for the instance domain indom in the current PMAPI context Performance Co-Pilot PCP PMLOOKUPINDOM(3)

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PMADDPROFILE(3) 					     Library Functions Manual						   PMADDPROFILE(3)

pmAddProfile - add instance(s) to the current PMAPI instance profile C SYNOPSIS
#include <pcp/pmapi.h> int pmAddProfile(pmInDom indom, int numinst, int *instlist); cc ... -lpcp 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. SEE ALSO
PMAPI(3), pmDelProfile(3), pmFetch(3), pmGetInDom(3), pmLookupDesc(3), pmLookupInDom(3), pmNewContext(3), pmUseContext(3) and pmWhichCon- text(3). DIAGNOSTICS
PM_ERR_PROFILESPEC indom was PM_INDOM_NULL and instlist was not empty 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. Performance Co-Pilot PCP PMADDPROFILE(3)
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