Red Hat Bugzilla – Bug 1469094
pmchart popup values dialog sometimes displays bogus values
Last modified: 2018-02-20 10:28:28 EST
Description of problem: double-left-click on a chart pops up the values dialog, which usually shows correct values initially. But if you continue double clicking eventually some of the values shown are incorrect.
Also, it's unclear whether the values shown in the popup for a stacked-bar chart should be cumulative, or individual values (IMO the latter is more useful, especially for %util charts like the CPU view where 'idle' should always be 100% with the current cumulative semantics).
Version-Release number of selected component (if applicable): 3.12.1-1 / F25
How reproducible: easily, at least on my F25 system
Steps to Reproduce:
1. pmchart -a qa/archives/pcp-zeroconf -geometry 512x768 -O-0 -v 32 -c CPU
2. double-left-click a few times in the CPU chart
Actual results: observe incorrect values sometimes displayed, e.g. 0% for 'idle'.
Expected results: correct values displayed in the popup
Additional info: haven't tested pmchart in RHEL7.4-beta, but quite likely affected too
Dave, could you take a look when you get a chance? (you know this code best)
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