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On my system ksoftirqd uses 70-100 percent of the CPU time. Whats wrong ?

April 26, 2017CPU percent system time uses wrong

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On my system ksoftirqd uses 70-100 percent of the CPU time. Whats wrong ?

1 Answer

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This is currently a bug/feature related to the HIL drivers. In the HIL drivers we poll the HIL ports with a few timers simultanously and those timers seem to increase the ksoftirqd load a lot. But although the load seems to be very high, the machine will be fully functional at maximum speed and it seems to us as if this is only a cosmetical problem which is maybe caused by some bugs in the load calculation functions in the Linux kernel. But of course we will continue to look closer into this problem…