https://bugzilla.redhat.com/show_bug.cgi?id=1269921
Bug ID: 1269921
Summary: pmRecordControl misses the first sample
Product: Fedora
Version: 22
Component: pcp
Assignee: nathans@xxxxxxxxxx
Reporter: myllynen@xxxxxxxxxx
QA Contact: extras-qa@xxxxxxxxxxxxxxxxx
CC: brolley@xxxxxxxxxx, fche@xxxxxxxxxx, lberk@xxxxxxxxxx,
mgoodwin@xxxxxxxxxx, nathans@xxxxxxxxxx,
pcp@xxxxxxxxxxx, scox@xxxxxxxxxx
Description of problem:
localhost:~> date ; pmcollectl -f ./foo -c 3 -i 5s ; date ;
Thu Oct 8 16:40:11 EEST 2015
Thu Oct 8 16:40:26 EEST 2015
localhost:~> pmval kernel.all.nprocs -U $(awk '/^Archive:/ {print $3}' foo)
metric: kernel.all.nprocs
archive: 6NxYlW.localhost.localdomain
host: localhost.localdomain
start: Thu Oct 8 16:40:11 2015
end: Thu Oct 8 16:40:21 2015
semantics: instantaneous value
units: none
samples: all
16:40:16.776 538
16:40:21.772 536
pmval: pmFetchArchive: End of PCP archive log
zsh: exit 1 pmval kernel.all.nprocs -U $(awk '/^Archive:/ {print $3}' foo)
localhost:~>
This might be more of an issue when starting recording with e.g. 5m or 10m
interval when an issue is ongoing.
Seen with both pmcollectl and pmrep.
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