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RFE: collect Linux 'irq' pressure information when available #2902

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siebenmann opened this issue Jan 18, 2024 · 0 comments · May be fixed by #3048
Open

RFE: collect Linux 'irq' pressure information when available #2902

siebenmann opened this issue Jan 18, 2024 · 0 comments · May be fixed by #3048

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@siebenmann
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Linux kernels since 6.1 that are built with CONFIG_IRQ_TIME_ACCOUNTING support a new /proc/pressure/irq pressure stall information file. It would be nice if the node exporter provided metrics from this (well, a single metric, it apparently only has the 'full' line). The complication will be that this file isn't necessarily available in all supported environments, even though the other /proc/pressure information is.
@mchtech mchtech linked a pull request Jun 11, 2024 that will close this issue
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collector/pressure: add IRQ PSI metrics mchtech/node_exporter
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@siebenmann