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pulse/tests
rcourtman 77131c19b1 Show each bucket's min-max range behind drawer chart lines
Drawer charts plot one average per time bucket, so a short CPU burst or
I/O spike inside a 6-minute bucket (24h) or an hourly rollup (7d) shrinks into
the average and disappears. The trend cards this Overview replaced
stated a "24h low-high" range; the charts had nothing in its place.

Each stored point already carries its bucket's min and max. A tinted,
outlined band now spans those extremes behind every line, so a spike
stands as a spire above the average. Series whose buckets never spread
draw no band. While a time is inspected, the legend names that bucket's
peak when it rises at least a tenth of the plot above the average, and
the accessible value states each reading's average and range.

Spec 86 also allows sub-pixel clipping when it checks that the drawer's
Memory rows are fully in view. With the charts on Overview, CI placed
that table on a fractional offset and the rounded table border clipped
0.4% of it (ratio 0.9956), failing an assertion of exactly 1.
2026-10-13 22:59:35 +01:00
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