Please help with item type calculated perf_counterf

[zedis]

Please help me I can't configure Item that it calculate:
perf_counter[\SQLServer:Access Methods\Index Searches/sec]/perf_counter[\SQLServer:Access Methods\Full Scans/sec]
all of this perf_counter work fine by command zabbix_get -s 10.9.5.56 -k

But when I configured it by Item use Type Calculated I see error. I fink that I have format error for type calculated ???

Can anyone told me which format perf_counter can use with type calculated
Zabbix server 1.8.2

I was using next format item calculated for perf_counter:
1) perf_counter["\SQLServer:Access Methods\Index Searches/sec"]
error: Format error or unsupported operator. Exp:
2) last(“perf_counter[“\SQLServer:Access Methods\Index Searches/sec”]”)
error: Can not evaluate function [last()]:
3) last(“perf_counter[\“\SQLServer:Access Methods\Index Searches/sec\”]”)
error: Can not evaluate function [last()]: item [APM Server:“perf_counter[\“\SQLServer:Access Methods\Index Searches/sec\”]”] not found


Please help me with format item calculated for perf_counter

[richlv]

what exactly are you trying to calculate ? maybe post a screenshot of item configuration that does not work for you.

as for last two examples, they are not using plain doublequotes but some fancy ones, so they are pretty much guaranteed to fail

[zedis]

I wanted to divide two perf_counters:
"perf_counter[\"\SQLServer:Access Methods\Index Searches/sec\"]"/ "perf_counter[\"\SQLServer:Access Methods\Full Scans/sec\"]"

It needed for SQL server performance by Microsoft.

Screenshot in atachment.

[zedis]

Now It's okey

It work

last("perf_counter[\"\System\Processor Queue Length\",30]")*last("perf_counter[\"\Processor(_Total)\% Idle Time\",30]")

Thank you