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2026-03-28 - 21:50
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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 Sat Mar 28, 2026 13:03:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2270599222217,4cyclictest0-21swapper/3209:58:5226
2270599222217,4cyclictest0-21swapper/3209:58:5226
2270599222217,4cyclictest0-21swapper/3209:58:5226
227089920776,121cyclictest0-21swapper/3510:40:2229
227089920776,121cyclictest0-21swapper/3510:40:2229
2269899205199,4cyclictest17484-21nfsd08:50:1918
2269899205199,4cyclictest17484-21nfsd08:50:1918
2268099205197,4cyclictest4407-21CPU2
2268099205197,4cyclictest4407-21CPU2
2267699205197,6cyclictest0-21swapper/608:40:0136
2267699205197,6cyclictest0-21swapper/608:40:0136
2270599203189,8cyclictest0-21swapper/3209:23:1726
2270599203189,8cyclictest0-21swapper/3209:23:1726
2270599203189,8cyclictest0-21swapper/3209:23:1726
2269499203191,10cyclictest0-21swapper/2207:12:1115
2270599202195,5cyclictest0-21swapper/3209:54:2426
2270599202195,5cyclictest0-21swapper/3209:54:2426
2270599202192,8cyclictest0-21swapper/3210:00:1526
2270599202192,8cyclictest0-21swapper/3210:00:1526
2270599202192,8cyclictest0-21swapper/3210:00:1526
2270599198175,16cyclictest0-21swapper/3209:34:3126
2270599198175,16cyclictest0-21swapper/3209:34:3126
2267699198191,2cyclictest0-21swapper/609:32:0336
2267699198191,2cyclictest0-21swapper/609:32:0336
2270599194178,9cyclictest0-21swapper/3209:45:0026
2270599194178,9cyclictest0-21swapper/3209:45:0026
2270599194178,9cyclictest0-21swapper/3209:45:0026
2270599194175,10cyclictest0-21swapper/3209:27:2626
2270599194175,10cyclictest0-21swapper/3209:27:2626
2270599194175,10cyclictest0-21swapper/3209:27:2626
2270599193173,12cyclictest0-21swapper/3209:15:2026
2270599193173,12cyclictest0-21swapper/3209:15:2026
2270599193173,12cyclictest0-21swapper/3209:15:2026
2269999192178,12cyclictest0-21swapper/2610:31:0119
2269999192178,12cyclictest0-21swapper/2610:31:0119
2269999192178,12cyclictest0-21swapper/2610:31:0119
2267699191181,9cyclictest0-21swapper/610:29:3836
2267699191181,9cyclictest0-21swapper/610:29:3836
2270599190178,8cyclictest0-21swapper/3209:46:0326
2270599190178,8cyclictest0-21swapper/3209:46:0326
2270599190178,8cyclictest0-21swapper/3209:46:0326
2270599189172,15cyclictest0-21swapper/3209:35:1726
2270599189172,15cyclictest0-21swapper/3209:35:1726
2270599189172,15cyclictest0-21swapper/3209:35:1726
2269899188182,5cyclictest0-21swapper/2507:25:0118
2269899188182,5cyclictest0-21swapper/2507:25:0118
2269499188182,4cyclictest0-21swapper/2207:15:1315
2269499188182,4cyclictest0-21swapper/2207:15:1315
2269099188177,8cyclictest32285-21sshd09:10:1411
2269099188177,8cyclictest32285-21sshd09:10:1411
2269199187110,46cyclictest3541-21CPU13
2269199187110,46cyclictest3541-21CPU13
2269199187110,46cyclictest3541-21CPU13
2269899186178,6cyclictest0-21swapper/2507:35:1918
2269899186178,6cyclictest0-21swapper/2507:35:1918
2269899186165,12cyclictest0-21swapper/2509:53:0118
2269899186165,12cyclictest0-21swapper/2509:53:0118
2269499184176,7cyclictest0-21swapper/2207:21:4815
2269499184176,7cyclictest0-21swapper/2207:21:4815
2270099183174,6cyclictest0-21swapper/2712:08:0120
2270099183174,6cyclictest0-21swapper/2712:08:0120
2270099183174,6cyclictest0-21swapper/2712:08:0120
2270899182137,34cyclictest0-21swapper/3511:14:5629
2270899182137,34cyclictest0-21swapper/3511:14:5629
2270899182137,34cyclictest0-21swapper/3511:14:5629
22708991820,176cyclictest0-21swapper/3512:36:1829
22708991820,176cyclictest0-21swapper/3512:36:1829
22708991820,176cyclictest0-21swapper/3512:36:1829
2269999182169,6cyclictest0-21swapper/2612:26:5319
2269999182169,6cyclictest0-21swapper/2612:26:5319
2269999182169,6cyclictest0-21swapper/2612:26:5319
2269899182169,9cyclictest0-21swapper/2508:45:2418
2269899182169,9cyclictest0-21swapper/2508:45:2418
2267699182162,4cyclictest0-21swapper/609:50:4536
2267699182162,4cyclictest0-21swapper/609:50:4536
2270299181154,9cyclictest0-21swapper/2910:35:3022
2270299181154,9cyclictest0-21swapper/2910:35:3022
2270299181154,9cyclictest0-21swapper/2910:35:3022
2267699181172,7cyclictest0-21swapper/609:10:1036
2267699181172,7cyclictest0-21swapper/609:10:1036
2267699181167,12cyclictest0-21swapper/609:37:4936
2267699181167,12cyclictest0-21swapper/609:37:4936
2267699181167,12cyclictest0-21swapper/609:37:4936
2270199180176,2cyclictest0-21swapper/2809:23:2621
2270199180176,2cyclictest0-21swapper/2809:23:2621
2270199180176,2cyclictest0-21swapper/2809:23:2621
2270599179150,15cyclictest3547-21CPU26
2270599179150,15cyclictest3547-21CPU26
2270299179158,7cyclictest0-21swapper/2910:06:4222
2270299179158,7cyclictest0-21swapper/2910:06:4222
2269899179173,4cyclictest0-21swapper/2507:51:2118
2269899179173,4cyclictest0-21swapper/2507:51:2118
2269899179172,5cyclictest0-21swapper/2508:39:5818
2269899179172,5cyclictest0-21swapper/2508:39:5818
2269899179162,13cyclictest0-21swapper/2507:40:5218
2269899179162,13cyclictest0-21swapper/2507:40:5218
2269899179160,9cyclictest0-21swapper/2509:22:5918
2269899179160,9cyclictest0-21swapper/2509:22:5918
2269899179160,9cyclictest0-21swapper/2509:22:5918
2267199177170,5cyclictest0-21swapper/209:50:0812
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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