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2024-11-22 - 11:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rackdslot0.osadl.org (updated Fri Nov 22, 2024 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2921599230,18cyclictest0-21swapper/200:10:192
2921199236,2cyclictest10124-21mii-tool21:25:161
2921599210,17cyclictest0-21swapper/220:28:262
2921199210,19cyclictest13424-21fschecks_time20:35:141
2921099210,3cyclictest0-21swapper/020:17:360
2921599200,13cyclictest0-21swapper/223:34:202
2921599190,18cyclictest14044-21nfsd420:35:172
29211991915,3cyclictest0-21swapper/121:44:021
2921199190,15cyclictest0-21swapper/119:25:141
29210991913,3cyclictest0-21swapper/000:27:000
2921599187,0cyclictest0-21swapper/220:49:252
2921599183,1cyclictest0-21swapper/222:34:332
2921599182,15cyclictest0-21swapper/219:30:172
29215991816,1cyclictest0-21swapper/219:10:212
29215991815,3cyclictest0-21swapper/223:06:202
29215991815,2cyclictest28161-21nfsd422:55:162
2921599180,17cyclictest5579-21nvmesmart_nvme023:10:172
2921599180,17cyclictest30362-21cstates23:00:112
2921599180,17cyclictest30362-21cstates23:00:112
2921599180,15cyclictest0-21swapper/200:25:182
29211991815,2cyclictest23914-21cut23:50:001
29211991815,2cyclictest13743-21ntpq23:25:181
29211991814,3cyclictest823-21systemd-network21:36:191
29211991813,4cyclictest0-21swapper/121:15:001
2921199180,3cyclictest3772-21egrep21:15:141
2921099183,1cyclictest0-21swapper/021:01:570
29210991814,3cyclictest0-21swapper/022:10:170
29210991814,3cyclictest0-21swapper/022:10:170
29210991813,3cyclictest18973-21nfsd421:40:170
2921099180,17cyclictest652-21sshd20:11:270
2921099180,15cyclictest21076-21latency_hist22:45:010
29215991715,1cyclictest31832-21idleruntime20:10:162
29215991715,1cyclictest11299-21switchtime23:20:232
29215991715,1cyclictest0-21swapper/221:35:112
29215991714,2cyclictest7386-21cut19:25:192
29215991714,2cyclictest5789-21nfsd420:20:192
29215991714,2cyclictest18932-21switchtime19:45:232
29215991714,2cyclictest12939-21kernelversion21:30:212
29215991714,1cyclictest0-21swapper/223:57:142
29215991713,3cyclictest27850-21munin-plugin-st20:05:012
2921599171,15cyclictest5615-21taskset19:23:202
2921599171,15cyclictest0-21swapper/221:25:202
2921599171,15cyclictest0-21swapper/200:20:142
2921599170,2cyclictest9097-21ntp_offset22:20:182
2921599170,2cyclictest5902-21cron21:17:012
2921599170,2cyclictest25047-21tr20:00:012
2921599170,2cyclictest17973-21cat21:40:132
2921599170,2cyclictest17794-21acpi23:35:112
2921599170,2cyclictest17429-21cat00:35:122
2921599170,2cyclictest16520-21chrt00:32:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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