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2026-01-01 - 16:36
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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 rackeslot2.osadl.org (updated Thu Jan 01, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2293374993116,7cyclictest2752240-21kthreadcore12:03:220
2293374993022,1cyclictest25484021systemd-run10:10:010
2293375992922,2cyclictest134050irq/121-eno111:20:021
2293374992717,6cyclictest2730402-21cstates11:53:160
2293374992715,7cyclictest0-21swapper/009:10:020
2293376992516,1cyclictest0-21swapper/212:10:012
2293375992517,3cyclictest2557404-21munin-run10:15:011
2293375992413,6cyclictest0-21swapper/111:08:241
229337699230,8cyclictest0-21swapper/208:40:012
2293375992318,4cyclictest2521701-21systemd-run09:55:011
2293374992316,6cyclictest1288-1atopacctd12:18:190
2293374992316,6cyclictest1288-1atopacctd10:23:290
2293374992316,6cyclictest0-21swapper/012:10:020
2293374992314,5cyclictest2510690-21latency09:48:190
2293375992219,2cyclictest2772443-21systemd-run12:15:011
2293375992219,2cyclictest2681842-21head11:23:261
2293375992219,2cyclictest2485779-21ls09:35:001
2293375992211,4cyclictest2560483-21if_enp1s0.810:18:161
2293375992210,3cyclictest2732728-21kthreadcore11:53:221
2293374992212,6cyclictest2515269-21grep09:53:140
2293374992212,5cyclictest2721251-21aten2.4-expect11:48:120
2293374992211,7cyclictest2566207-21awk10:20:000
229337499221,16cyclictest0-21swapper/012:20:210
2649091210,2phc2sys0-21swapper/310:37:203
2293376992118,1cyclictest0-21swapper/209:15:012
2293375992118,2cyclictest2817562-21gdbus12:40:011
2293375992118,2cyclictest1326-21systemd-logind11:45:011
2293375992110,3cyclictest2797651-21grep12:28:231
229337499219,8cyclictest2622808-21aten_repower_cu10:53:120
2293374992118,2cyclictest2374177-21sh08:15:000
2293374992117,3cyclictest2424626-21kthreadcore08:58:180
2293374992117,3cyclictest2335235-21kthreadcore07:43:190
2293374992112,5cyclictest2458799-21grep09:20:010
2293374992111,5cyclictest0-21swapper/012:30:020
2293374992111,5cyclictest0-21swapper/009:13:170
2293374992110,6cyclictest2344009-21sh07:50:000
2293375992017,2cyclictest2602034-21apt-key10:40:011
2293375992017,2cyclictest1290-21dbus-daemon12:00:011
229337499209,7cyclictest2357968-21kthreadcore08:03:180
229337499204,5cyclictest2765837-21aten2.4-expect12:13:130
2293374992017,2cyclictest2672120-21latency11:18:210
2293374992016,3cyclictest2802858-21kthreadcore12:33:190
2293374992016,3cyclictest2679230-21kthreadcore11:23:200
2293374992016,3cyclictest2661319-21kthreadcore11:13:190
2293374992016,3cyclictest2650929-21kthreadcore11:08:190
2293374992016,3cyclictest2643432-21kthreadcore11:03:210
2293374992016,3cyclictest2489596-21kthreadcore09:38:180
2293374992016,3cyclictest2430679-21kthreadcore09:03:190
2293374992016,3cyclictest2401657-21kthreadcore08:38:200
2293374992016,3cyclictest2391606-21pmu-power08:28:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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