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2026-06-10 - 11:55
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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 Wed Jun 10, 2026 01:01:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3917599227214,11cyclictest0-21swapper/022:45:100
3917599227214,11cyclictest0-21swapper/022:45:100
3918299220206,12cyclictest0-21swapper/521:25:1135
3918299220206,12cyclictest0-21swapper/521:25:1135
3919499217210,4cyclictest0-21swapper/1622:15:148
3919499217210,4cyclictest0-21swapper/1622:15:148
3919499216208,5cyclictest0-21swapper/1619:20:018
3919499216208,5cyclictest0-21swapper/1619:20:018
3917599214197,10cyclictest0-21swapper/022:29:000
3917599214197,10cyclictest0-21swapper/022:29:000
3917599214197,10cyclictest0-21swapper/022:29:000
3922099213204,4cyclictest3545-21CPU33
3922099213204,4cyclictest3545-21CPU33
3917599212203,7cyclictest0-21swapper/021:19:040
3917599212203,7cyclictest0-21swapper/021:19:040
3920699210202,6cyclictest0-21swapper/2623:00:1819
3920699210202,6cyclictest0-21swapper/2623:00:1819
3920699210202,6cyclictest0-21swapper/2623:00:1819
3919499209203,4cyclictest0-21swapper/1621:48:518
3919499209203,4cyclictest0-21swapper/1621:48:518
3920699207201,5cyclictest0-21swapper/2623:05:3819
3920699207201,5cyclictest0-21swapper/2623:05:3819
3918699206199,5cyclictest0-21swapper/921:54:1339
3918699206199,5cyclictest0-21swapper/921:54:1339
3917599205192,4cyclictest0-21swapper/022:23:020
3917599205192,4cyclictest0-21swapper/022:23:020
3918699204193,8cyclictest0-21swapper/900:20:1939
3918699204193,8cyclictest0-21swapper/900:20:1939
3919999202196,5cyclictest0-21swapper/2100:20:3514
3919999202196,5cyclictest0-21swapper/2100:20:3514
3917599202189,11cyclictest0-21swapper/023:02:270
3917599202189,11cyclictest0-21swapper/023:02:270
3917599202189,11cyclictest0-21swapper/023:02:270
3917599202179,15cyclictest0-21swapper/022:38:000
3917599202179,15cyclictest0-21swapper/022:38:000
3920699201196,4cyclictest0-21swapper/2622:56:4319
3920699201196,4cyclictest0-21swapper/2622:56:4319
3920699201196,4cyclictest0-21swapper/2622:56:4319
3919899201192,7cyclictest0-21swapper/2022:10:2013
3919899201192,7cyclictest0-21swapper/2022:10:2013
3918699201195,4cyclictest0-21swapper/900:18:1239
3918699201195,4cyclictest0-21swapper/900:18:1139
39214992001,195cyclictest0-21swapper/3419:50:1328
39214992001,195cyclictest0-21swapper/3419:50:1328
3919999200189,4cyclictest0-21swapper/2123:56:1214
3919999200189,4cyclictest0-21swapper/2123:56:1214
3919999200189,4cyclictest0-21swapper/2123:56:1214
3917599199192,5cyclictest3600-21qemu-system-x8619:30:310
3917599199192,5cyclictest3600-21qemu-system-x8619:30:310
3917599199182,11cyclictest0-21swapper/000:16:010
3917599199182,11cyclictest0-21swapper/000:16:010
3919999198187,9cyclictest0-21swapper/2121:57:4814
3919999198187,9cyclictest0-21swapper/2121:57:4814
3919499198191,3cyclictest3609-21CPU8
3919499198191,3cyclictest3609-21CPU8
3917599198191,5cyclictest0-21swapper/000:32:290
3917599198191,5cyclictest0-21swapper/000:32:290
3918999197192,2cyclictest0-21swapper/1221:50:174
3918999197192,2cyclictest0-21swapper/1221:50:174
3921499196156,33cyclictest0-21swapper/3423:40:2828
3921499196156,33cyclictest0-21swapper/3423:40:2828
3919999196185,9cyclictest0-21swapper/2122:18:3914
3919999196185,9cyclictest0-21swapper/2122:18:3914
3920699195171,9cyclictest171rcu_preempt22:11:0219
3920699195171,9cyclictest171rcu_preempt22:11:0219
3919499195181,9cyclictest0-21swapper/1622:40:378
3919499195181,9cyclictest0-21swapper/1622:40:378
3918699195185,8cyclictest0-21swapper/920:45:2839
3918699195185,8cyclictest0-21swapper/920:45:2839
3917599195189,4cyclictest0-21swapper/021:50:460
3917599195189,4cyclictest0-21swapper/021:50:460
39214991941,65cyclictest0-21swapper/3421:25:0028
39214991941,65cyclictest0-21swapper/3421:25:0028
3920699194168,14cyclictest0-21swapper/2622:18:3819
3920699194168,14cyclictest0-21swapper/2622:18:3819
3919999194167,20cyclictest0-21swapper/2121:19:5314
3919999194167,20cyclictest0-21swapper/2121:19:5314
3919499194187,5cyclictest37346-21qemu-system-x8622:53:378
3919499194187,5cyclictest37346-21qemu-system-x8622:53:378
3919499194185,5cyclictest37356-21CPU8
3919499194185,5cyclictest37356-21CPU8
3918699194189,4cyclictest0-21swapper/900:13:0739
3918699194189,4cyclictest0-21swapper/900:13:0739
3920699193181,3cyclictest171rcu_preempt23:23:4919
3920699193181,3cyclictest171rcu_preempt23:23:4919
3919499193187,4cyclictest0-21swapper/1623:40:108
3919499193187,4cyclictest0-21swapper/1623:40:108
3919499193186,5cyclictest0-21swapper/1621:13:188
3919499193186,5cyclictest0-21swapper/1621:13:188
3919499193184,8cyclictest17484-21nfsd21:35:278
3919499193184,8cyclictest17484-21nfsd21:35:278
3919499193184,8cyclictest17484-21nfsd21:35:278
3918199193154,17cyclictest0-21swapper/422:36:4034
3918199193154,17cyclictest0-21swapper/422:36:4034
3917599193188,4cyclictest0-21swapper/000:38:190
3917599193188,4cyclictest0-21swapper/000:38:190
3917599193188,4cyclictest0-21swapper/000:38:190
3920699192187,4cyclictest0-21swapper/2622:54:2119
3920699192187,4cyclictest0-21swapper/2622:54:2119
3920399192174,13cyclictest10417-21latency_hist23:50:0116
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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