scripts: Add scxtop #1078
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scripts: Add scxtop #1078
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hodgesds
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likewhatevs
htejun
approved these changes
Dec 8, 2024
likewhatevs
approved these changes
Dec 8, 2024
Add a top like script for schedulers using bpftrace. This can be rewritten in bpf/rust in the future to be a more useful tool. Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
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Add a top like script for schedulers using bpftrace. This can be rewritten in bpf/rust in the future to be a more useful tool.
Output:
Help menu (
hkey), which also shows the state of the options:Toggle off CPU chart with
c:When a scheduler is not running a default messages appears:
This is mostly a proof of concept of what kind of tools could be built as this is really pushing the limits of
bpftrace.Note, this requires a really recent build of
bpftracethat has thehas_keysupport. The formatting may not scale well to machines with high CPU counts and is buggy in some places.