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2026-05-26 - 05:23
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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 Tue May 26, 2026 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2448999290,0cyclictest0-21swapper/200:15:142
24484992715,11cyclictest4672-21nfsd400:15:181
24489992414,5cyclictest0-21swapper/222:25:132
24484992219,2cyclictest28971-21latency_hist00:05:011
24484992112,0cyclictest0-21swapper/121:50:151
2448499210,3cyclictest0-21swapper/100:25:011
24489992015,4cyclictest399-20systemd-journal19:50:012
24483992017,2cyclictest441-21sshd21:19:060
2448999194,1cyclictest0-21swapper/200:33:472
2448999193,1cyclictest28-21ksoftirqd/220:09:152
2448999193,1cyclictest17551-21http_loadtime22:45:162
2448999192,1cyclictest0-21swapper/223:20:182
24489991917,1cyclictest29291-21pzem_power23:05:192
24489991916,2cyclictest32410-21cut00:10:012
2448999190,18cyclictest843-21systemd-network22:38:292
2448999190,18cyclictest843-21systemd-network22:38:282
2448999190,17cyclictest3987-21H222:10:212
2448999190,17cyclictest3979-21H222:10:212
2448999190,16cyclictest4035-21H222:10:212
2448999190,16cyclictest3981-21H222:10:212
2448499193,15cyclictest21-21ksoftirqd/100:27:341
2448499190,2cyclictest3991-21H222:10:211
2448499190,2cyclictest3976-21H222:10:211
2448499190,18cyclictest0-21swapper/121:30:121
2448499190,16cyclictest4099-21H222:10:211
2448399192,16cyclictest26462-21cut00:00:000
2448399190,2cyclictest4099-21H222:10:210
2448399190,2cyclictest4035-21H222:10:210
2448399190,16cyclictest3987-21H222:10:210
24489991816,1cyclictest0-21swapper/222:56:322
24489991815,2cyclictest27156-21ls20:10:142
24489991815,2cyclictest26096-21chrt22:03:502
24489991814,3cyclictest3985-21H222:10:212
24489991814,3cyclictest3976-21H222:10:212
24489991814,2cyclictest3991-21H222:10:212
2448999180,2cyclictest3989-21H222:10:212
2448999180,2cyclictest3983-21H222:10:212
2448999180,1cyclictest3976-21H222:10:212
2448999180,17cyclictest843-21systemd-network00:37:542
2448999180,17cyclictest3991-21H222:10:212
2448999180,17cyclictest10151-21lxd19:32:492
2448999180,17cyclictest0-21swapper/220:00:152
2448999180,16cyclictest4035-21H222:10:212
2448999180,16cyclictest3983-21H222:10:212
24484991815,2cyclictest5277-21taskset20:29:381
24484991815,2cyclictest5277-21taskset20:29:371
24484991815,2cyclictest3991-21H222:10:211
24484991814,3cyclictest3979-21H222:10:211
24484991814,3cyclictest10151-21lxd20:10:491
24484991814,2cyclictest3989-21H222:10:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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