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2025-12-28 - 19:13
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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 rack6slot0.osadl.org (updated Sun Dec 28, 2025 12:59:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
668799215208,5cyclictest0-21swapper/211:57:2012
668799215208,5cyclictest0-21swapper/211:57:2012
668799214202,10cyclictest0-21swapper/211:51:4012
668799214202,10cyclictest0-21swapper/211:51:4012
669399213205,6cyclictest0-21swapper/610:36:3236
669399213205,6cyclictest0-21swapper/610:36:3236
669399213205,6cyclictest0-21swapper/610:36:3236
672699206201,3cyclictest4409-21kvm-pit/439811:42:5930
672699206201,3cyclictest4409-21kvm-pit/439811:42:5930
668799205197,6cyclictest0-21swapper/211:47:5512
668799205197,6cyclictest0-21swapper/211:47:5412
672699204191,11cyclictest0-21swapper/3611:34:5030
672699204191,11cyclictest0-21swapper/3611:34:5030
668799204191,11cyclictest0-21swapper/210:09:3112
668799204191,11cyclictest0-21swapper/210:09:3112
668799204191,11cyclictest0-21swapper/210:09:3012
672699203193,7cyclictest0-21swapper/3609:38:5730
672699203193,7cyclictest0-21swapper/3609:38:5630
670399202196,4cyclictest18900-21sshd10:35:297
670399202196,4cyclictest18900-21sshd10:35:297
670399202196,4cyclictest18900-21sshd10:35:297
673099200195,3cyclictest0-21swapper/3908:55:1233
673099200195,3cyclictest0-21swapper/3908:55:1233
670399199183,9cyclictest0-21swapper/1509:15:177
670399199183,9cyclictest0-21swapper/1509:15:177
669399196184,9cyclictest9742-21sshd09:17:3836
669399196184,9cyclictest9742-21sshd09:17:3836
668799196114,70cyclictest3609-21CPU12
668799196114,70cyclictest3609-21CPU12
672699194173,14cyclictest2462-21CPU30
672699194173,14cyclictest2462-21CPU30
672699194173,14cyclictest2462-21CPU30
6704991931,74cyclictest0-21swapper/1609:50:128
6704991931,74cyclictest0-21swapper/1609:50:128
6704991931,74cyclictest0-21swapper/1609:50:128
670399193187,4cyclictest0-21swapper/1509:35:017
670399193187,4cyclictest0-21swapper/1509:35:017
668799193149,33cyclictest37265-21CPU12
668799193149,33cyclictest37265-21CPU12
668799193137,25cyclictest0-21swapper/212:34:1812
668799193137,25cyclictest0-21swapper/212:34:1712
668799193137,25cyclictest0-21swapper/212:34:1712
669399192184,5cyclictest0-21swapper/609:25:5736
669399192184,5cyclictest0-21swapper/609:25:5636
671599191175,12cyclictest0-21swapper/2512:10:2018
671599191175,12cyclictest0-21swapper/2512:10:2018
671599191175,12cyclictest0-21swapper/2512:10:1918
671599190175,5cyclictest16479-21sshd11:07:2518
671599190175,5cyclictest16479-21sshd11:07:2418
669499190184,4cyclictest0-21swapper/710:45:4537
669499190184,4cyclictest0-21swapper/710:45:4537
668799190179,3cyclictest171rcu_preempt09:19:4212
668799190179,3cyclictest171rcu_preempt09:19:4212
672699189133,52cyclictest3541-21CPU30
672699189133,52cyclictest3541-21CPU30
671599188182,4cyclictest0-21swapper/2510:26:1618
671599188182,4cyclictest0-21swapper/2510:26:1618
671599188180,5cyclictest0-21swapper/2510:20:1418
671599188180,5cyclictest0-21swapper/2510:20:1318
671599188180,5cyclictest0-21swapper/2510:20:1318
671599188179,7cyclictest19854-21sshd10:19:3418
671599188179,7cyclictest19854-21sshd10:19:3418
671599188179,7cyclictest19854-21sshd10:19:3318
671599188173,8cyclictest3610-21CPU18
671599188173,8cyclictest3610-21CPU18
670399188177,9cyclictest0-21swapper/1509:23:257
670399188177,9cyclictest0-21swapper/1509:23:247
668799188139,34cyclictest3541-21CPU12
668799188139,34cyclictest3541-21CPU12
671599187166,13cyclictest0-21swapper/2509:10:5718
671599187166,13cyclictest0-21swapper/2509:10:5718
670399187181,4cyclictest0-21swapper/1509:14:087
670399187181,4cyclictest0-21swapper/1509:14:077
670399187180,5cyclictest0-21swapper/1511:00:177
670399187180,5cyclictest0-21swapper/1511:00:177
670399187176,8cyclictest0-21swapper/1509:00:217
669399187176,9cyclictest0-21swapper/609:59:1436
669399187176,9cyclictest0-21swapper/609:59:1436
669399187176,9cyclictest0-21swapper/609:59:1336
668799187160,10cyclictest171rcu_preempt10:53:0612
668799187160,10cyclictest171rcu_preempt10:53:0612
668799187111,58cyclictest3541-21CPU12
668799187111,58cyclictest3541-21CPU12
6704991861,91cyclictest0-21swapper/1610:15:258
6704991861,91cyclictest0-21swapper/1610:15:258
6704991861,91cyclictest0-21swapper/1610:15:258
670399186178,6cyclictest0-21swapper/1510:43:077
670399186178,6cyclictest0-21swapper/1510:43:077
669399186172,12cyclictest0-21swapper/610:53:3036
669399186172,12cyclictest0-21swapper/610:53:3036
668799186110,71cyclictest3547-21CPU12
668799186110,71cyclictest3547-21CPU12
668799186110,71cyclictest3547-21CPU12
670399185179,4cyclictest0-21swapper/1511:00:027
670399185179,4cyclictest0-21swapper/1511:00:027
668799185157,12cyclictest171rcu_preempt09:44:3212
668799185157,12cyclictest171rcu_preempt09:44:3112
668799185137,29cyclictest0-21swapper/209:26:3012
668799185137,29cyclictest0-21swapper/209:26:2912
668799185122,24cyclictest0-21swapper/210:26:0512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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