Re: route cache DoS testing and softirqs
From: David S. Miller <hidden>
Date: 2004-03-30 21:30:54
Also in:
lkml
Possibly related (same subject, not in this thread)
- 2004-04-08 · Re: route cache DoS testing and softirqs · Robert Olsson <hidden>
- 2004-04-08 · Re: route cache DoS testing and softirqs · <hidden>
- 2004-04-08 · Re: route cache DoS testing and softirqs · <hidden>
- 2004-04-01 · Re: route cache DoS testing and softirqs · Andrea Arcangeli <hidden>
- 2004-04-01 · Re: route cache DoS testing and softirqs · <hidden>
On Tue, 30 Mar 2004 23:14:50 +0200 Andrea Arcangeli [off-list ref] wrote:
quoted
There are no hardirqs in the case under investigation, remember?no hardirqs? there must be tons of hardirqs if ksoftirqd never runs.
NAPI should be kicking in for this workload, and I know for a fact it is for Robert's case. There should only be a few thousand hard irqs per second. Until the RX ring is depleted the device's hardirqs will not be re- enabled.