ns::stats::Sampler method sampling status (public)

 <instance of ns::stats::Sampler> sampling status

Defined in

Return the process-wide sampler configuration and status, including running state, scheduler identifier, interval, process instance, collection errors and readiness of the latest interval sample. latestAt is in epoch seconds; ageSeconds is the elapsed time since the latest publication. Both are empty before the first sample. Does not collect new observations or modify sampler state.

Testcases:

No testcase defined.

Source code:

set result [nsv_get ns_stats control]
dict unset result busy
dict unset result generation
set sample [nsv_get ns_stats pair]
dict set result ready [expr {$sample ne "" && [dict get $sample sampling ready]}]
dict set result latestAt {}
dict set result ageSeconds {}
if {$sample ne ""} {
    set stamp [dict get $sample timestamp]
    dict set result latestAt [expr {$stamp/1000000.0}]
    dict set result ageSeconds [expr {max(0,([clock microseconds]-$stamp)/1000000.0)}]
}
return $result

XQL Not present:

Generic, PostgreSQL, Oracle