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2025-12-28 - 20:31
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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 100 highest latencies:
System rackdslot0.osadl.org (updated Sun Dec 28, 2025 12:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3063299242,4cyclictest0-21swapper/007:45:010
3063599211,17cyclictest0-21swapper/211:16:372
30632992117,3cyclictest7702-21basename07:25:010
3063599205,13cyclictest0-21swapper/211:12:282
3063599200,19cyclictest0-21swapper/212:38:222
3063599200,19cyclictest0-21swapper/212:38:212
3063399202,1cyclictest0-21swapper/107:45:001
30632992017,2cyclictest6350-21idleruntime-cro10:14:590
30632992016,3cyclictest3053-21systemd-logind08:30:510
3063599192,16cyclictest0-21swapper/210:22:052
30635991914,4cyclictest3983-21H222:10:212
30635991914,2cyclictest3976-21H222:10:212
3063599190,2cyclictest3985-21H222:10:212
3063599190,18cyclictest0-21swapper/211:59:372
3063599190,16cyclictest3991-21H222:10:212
3063599190,16cyclictest3979-21H222:10:212
3063399192,2cyclictest11561-21python311:20:001
30633991914,3cyclictest0-21swapper/112:33:471
3063399190,3cyclictest0-21swapper/111:53:361
3063399190,2cyclictest3987-21H222:10:211
3063399190,16cyclictest3976-21H222:10:211
30632991917,1cyclictest0-21swapper/007:25:140
30632991916,2cyclictest9799-21ntp_offset12:10:190
30632991914,3cyclictest3979-21H222:10:210
3063299191,1cyclictest0-21swapper/012:24:250
3063599182,15cyclictest3985-21H222:10:212
30635991816,1cyclictest28-21ksoftirqd/211:39:032
30635991816,1cyclictest28-21ksoftirqd/207:15:542
30635991816,1cyclictest0-21swapper/211:00:152
30635991814,2cyclictest1521-21lxd09:36:402
3063599181,16cyclictest993-21dbus-daemon09:45:192
3063599181,16cyclictest4035-21H222:10:212
3063599181,16cyclictest3976-21H222:10:212
3063599180,3cyclictest3987-21H222:10:212
3063599180,2cyclictest4099-21H222:10:212
3063599180,2cyclictest3985-21H222:10:212
3063599180,2cyclictest3976-21H222:10:212
3063599180,17cyclictest3979-21H222:10:212
3063599180,17cyclictest3976-21H222:10:212
3063599180,16cyclictest3991-21H222:10:212
3063599180,16cyclictest3987-21H222:10:212
3063599180,15cyclictest3981-21H222:10:212
3063399182,15cyclictest21-21ksoftirqd/109:02:311
30633991816,1cyclictest27663-21nfsd410:50:191
30633991816,1cyclictest0-21swapper/112:16:051
30633991815,2cyclictest31808-21timerandwakeup08:05:221
30633991814,3cyclictest3985-21H222:10:211
30633991814,3cyclictest3981-21H222:10:211
30633991814,3cyclictest0-21swapper/112:37:491
30633991814,3cyclictest0-21swapper/112:37:491
3063399181,2cyclictest3985-21H222:10:211
3063399181,16cyclictest3981-21H222:10:211
3063399180,2cyclictest3991-21H222:10:211
3063399180,2cyclictest3981-21H222:10:211
3063399180,17cyclictest12355-21nfsd409:25:181
3063399180,16cyclictest4099-21H222:10:211
3063399180,16cyclictest4099-21H222:10:211
3063399180,16cyclictest3976-21H222:10:211
30632991816,1cyclictest9-21ksoftirqd/009:07:190
30632991816,1cyclictest9-21ksoftirqd/008:45:400
30632991816,1cyclictest9-21ksoftirqd/007:16:360
30632991814,3cyclictest3981-21H222:10:210
30632991814,3cyclictest3981-21H222:10:210
30632991814,3cyclictest11478-21idleruntime-cro08:30:000
30632991814,3cyclictest0-21swapper/008:15:420
3063299181,16cyclictest26118-21mailstats07:55:220
3063299180,2cyclictest3985-21H222:10:210
3063299180,2cyclictest3976-21H222:10:210
3063299180,17cyclictest3987-21H222:10:210
3063299180,16cyclictest4035-21H222:10:210
3063299180,15cyclictest3981-21H222:10:210
3063299180,15cyclictest3981-21H222:10:210
3063299180,15cyclictest3979-21H222:10:210
3063299180,15cyclictest0-21swapper/011:18:270
3063299180,15cyclictest0-21swapper/007:39:110
30635991715,1cyclictest0-21swapper/207:50:172
30635991714,2cyclictest3991-21H222:10:212
30635991714,2cyclictest3987-21H222:10:212
30635991714,2cyclictest3981-21H222:10:212
30635991714,2cyclictest3317-21apache_accesses11:05:132
30635991714,1cyclictest0-21swapper/210:00:192
30635991713,3cyclictest3991-21H222:10:212
3063599171,15cyclictest0-21swapper/212:10:192
3063599170,2cyclictest9151-21needreboot07:25:162
3063599170,2cyclictest8142-21ntp_kernel_err10:15:192
3063599170,2cyclictest4099-21H222:10:212
3063599170,2cyclictest3985-21H222:10:212
3063599170,2cyclictest3983-21H222:10:212
3063599170,2cyclictest2012-21grep12:00:162
3063599170,2cyclictest1550-21snapd08:30:092
3063599170,2cyclictest0-21swapper/211:50:122
3063599170,1cyclictest3991-21H222:10:212
3063599170,1cyclictest3991-21H222:10:212
3063599170,1cyclictest3987-21H222:10:212
3063599170,16cyclictest4099-21H222:10:212
3063599170,16cyclictest3991-21H222:10:212
3063599170,16cyclictest3979-21H222:10:212
3063599170,16cyclictest3436-21cron10:10:002
3063599170,16cyclictest24834-21missed_timers10:45:192
3063599170,16cyclictest24383-21latency08:50:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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