CPU view does not show data as zooming out

lttng / lttng-scope

A trace viewer and analyzer for LTTng kernel and user space traces

https://lttng.org/beta/#lttng-scope

Eclipse Public License 1.0

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CPU view does not show data as zooming out #75

Open tahini opened 6 years ago

tahini commented 6 years ago

With a fairly big trace (5 minutes of necessary LTTng kernel events for current analyses), the CPU view stops showing any data as I zoom out. See this screencast and observe the CPU view at the bottom, as I zoom out, it ends up totally empty.

https://framapic.org/G7SwYZMTvhKw/ogkv03FFQy5E.gif

ghost commented 6 years ago

Interesting, looks like a real bug. Do you get that problem reproducibly, and is it always/only with the CPU view?

tahini commented 6 years ago

Yes it is reproducible for the CPU view only. With large 4-5 minutes traces, I get it for all CPUs, but to see the problem faster, I get it from the os-events benchmark trace (http://archive.eclipse.org/tracecompass/test-traces/os-events.tar.gz) for CPU2 only.