> On 04 Aug 2017, at 19:02, Hans Petter Selasky <h...@selasky.org> wrote: > > On 08/04/17 18:59, Ben RUBSON wrote: >> Hello, >> Not sure this is the right list, but as it seems related to a mlx4en >> device... >> # vmstat -i 1 >> (...) >> interrupt total rate >> cpu23:timer 1198 1127 >> # top -P ALL >> (...) >> CPU 23: 0.0% user, 0.0% nice, 0.0% system, 100% interrupt, 0.0% idle >> # netstat -I mlxen0 -d -w 1 >> input mlxen0 output >> packets errs idrops bytes packets errs bytes colls drops >> (and not output at all, same for mlxen1 !) >> # uname -sr >> FreeBSD 11.0-RELEASE-p9 >> So, as you can see, one of my CPUs is used at 100% by timer interrupts, >> since about 2 hours, and suddenly. >> Initiating network connections to this server is now slow. >> And what I found is that I can't use netstat on my 2 mlx4en devices anymore >> (my monitoring tool is then no more fed). >> sysctl hw.mlxen0 is OK, no errors, and trafic counters grow slowly. >> What should I do ? >> How to investigate on this ? >> Thank you very much for your help & support, > > Hi, > > Try "procstat -ak". It should give an idea what is going on. > > What version of FreeBSD is this? > > Is this a regression issue?
Hi HPS, and thank you for your answer, much appreciated ! procstat log attached. FreeBSD is 11.0-RELEASE-p9. A regression I'm not sure, as this server has more than 30 days of uptime. 2 other identical servers with months of uptime without issue. Ben
procstat.log
Description: Binary data
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