QA output created by 1707

=== bpftrace agent installation ===
Updating the Performance Metrics Name Space (PMNS) ...
Terminate PMDA if already installed ...
[...install files, make output...]
Updating the PMCD control file, and notifying PMCD ...
Check bpftrace metrics have appeared ... 7 metrics and 6 values

=== start bpftrace script ===
bpftrace.control.register old value="{}" new value="// name: testscript
// custom-output-block
tracepoint:raw_syscalls:sys_enter { @ = count(); @scalar = 2; }
interval:s:1 { print(@scalar); }"
=== check metadata metrics ===
found metric bpftrace.scripts.testscript.data.scalar matching "value .*"

bpftrace.scripts.testscript.data.scalar PMID: 151.100.11 [@scalar variable of bpftrace script]
    Data Type: 64-bit unsigned int  InDom: PM_INDOM_NULL 0xffffffff
    Semantics: instant  Units: none
Help:
@scalar variable of bpftrace script
    value 2
=== we disabled default output block, therefore we should get output only for @scalar ===

bpftrace.scripts.testscript.data.root PMID: 151.100.10 [@ variable of bpftrace script]
    Data Type: 64-bit unsigned int  InDom: PM_INDOM_NULL 0xffffffff
    Semantics: counter  Units: none
Help:
@ variable of bpftrace script
Error: Missing metric value(s)

=== remove bpftrace agent ===
Culling the Performance Metrics Name Space ...
bpftrace ... done
Updating the PMCD control file, and notifying PMCD ...
[...removing files...]
Check bpftrace metrics have gone away ... OK
