Hi Carlo,
>> Looks like gmetad in trunk is broken. When I request summary
>> information it segfaults:
>the newer implementation from r1142 shouldn't segfault anymore.
No seg fault for me on Linux and I agree that is a cleaner place to put
the lock. I had considered that but thought it might let hosts_up be
incomplete. However, I was unable to get a low host count with
continuous querying. I guess this is added in a different way not
requiring the lock?
But unfortunately, r1142 reverts to giving incomplete sums in the
metrics, so bug#76 is back:
# perl -e 'while(1){print `netcat localhost 39003 | grep "cpu_num"`; }'
<METRICS NAME="cpu_num" SUM="3913" NUM="1566" TYPE="double" UNITS="CPUs"
SLOPE="zero" SOURCE="gmond"/>
<METRICS NAME="cpu_num" SUM="3913" NUM="1566" TYPE="double" UNITS="CPUs"
SLOPE="zero" SOURCE="gmond"/>
<METRICS NAME="cpu_num" SUM="3913" NUM="1566" TYPE="double" UNITS="CPUs"
SLOPE="zero" SOURCE="gmond"/>
<METRICS NAME="cpu_num" SUM="182" NUM="91" TYPE="double" UNITS="CPUs"
SLOPE="zero" SOURCE="gmond"/>
<METRICS NAME="cpu_num" SUM="866" NUM="385" TYPE="double" UNITS="CPUs"
SLOPE="zero" SOURCE="gmond"/>
<METRICS NAME="cpu_num" SUM="1476" NUM="690" TYPE="double" UNITS="CPUs"
SLOPE="zero" SOURCE="gmond"/>
<METRICS NAME="cpu_num" SUM="2169" NUM="998" TYPE="double" UNITS="CPUs"
SLOPE="zero" SOURCE="gmond"/>
<METRICS NAME="cpu_num" SUM="3077" NUM="1308" TYPE="double" UNITS="CPUs"
SLOPE="zero" SOURCE="gmond"/>
<METRICS NAME="cpu_num" SUM="3913" NUM="1566" TYPE="double" UNITS="CPUs"
SLOPE="zero" SOURCE="gmond"/>
<METRICS NAME="cpu_num" SUM="3913" NUM="1566" TYPE="double" UNITS="CPUs"
SLOPE="zero" SOURCE="gmond"/>
<METRICS NAME="cpu_num" SUM="3913" NUM="1566" TYPE="double" UNITS="CPUs"
SLOPE="
This happens every 15 seconds, the step interval for this one large data
source. I can't yet understand why your version doesn't work.
r1122 never reports incomplete sums. And I confirmed that r1138 seg
faults on summary on Linux.
-twitham
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