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2025-11-18 - 06:38
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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 rack3slot0.osadl.org (updated Tue Nov 18, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
506425026,8sleep70-21swapper/718:53:007
68172460,0sleep5551rcuc/523:32:465
43362460,0sleep30-21swapper/322:54:243
131792440,0sleep00-21swapper/023:16:470
46852430,0sleep6641ktimersoftd/621:49:566
205692430,0sleep40-21swapper/421:39:284
147832430,0sleep30-21swapper/322:47:033
58542410,0sleep3763-21runrttasks22:28:453
505324129,9sleep50-21swapper/518:52:505
496224125,12sleep00-21swapper/018:51:410
485424128,9sleep60-21swapper/618:50:116
222772410,1sleep665-21ksoftirqd/621:48:116
21232410,0sleep10-21swapper/123:44:431
164782410,0sleep2321ktimersoftd/222:29:562
508324027,9sleep40-21swapper/418:53:144
499124024,4sleep10-21swapper/118:52:061
483824027,9sleep30-21swapper/318:50:003
252652400,0sleep40-21swapper/421:39:534
232062400,0sleep30-21swapper/321:05:243
207082400,1sleep520709-21grepconf.sh21:39:295
484623927,8sleep20-21swapper/218:50:072
111462390,0sleep60-21swapper/622:38:016
239832370,0sleep30-21swapper/323:51:583
218282340,0sleep60-21swapper/621:56:366
536399224,18cyclictest28105-21nfsd21:03:587
536399223,18cyclictest1-21systemd21:56:447
5363992217,1cyclictest721ktimersoftd/700:02:147
5363992217,0cyclictest721ktimersoftd/719:19:347
5348992115,4cyclictest49-21ksoftirqd/421:01:354
186342210,0sleep10-21swapper/121:43:261
536399207,12cyclictest861-21gdbus21:45:007
536399202,12cyclictest16336-21sshd23:55:227
5363992015,1cyclictest3380-21grep22:06:567
536399201,18cyclictest30863-21sshd22:57:507
536399198,5cyclictest0-21swapper/723:30:587
536399198,5cyclictest0-21swapper/723:06:527
536399198,0cyclictest0-21swapper/722:35:067
536399196,12cyclictest10418-21bash23:41:327
5363991914,1cyclictest2001-21cut21:49:467
536399191,0cyclictest0-21swapper/721:05:387
536399191,0cyclictest0-21swapper/720:08:367
536399190,13cyclictest12300-21sshd23:45:567
536399188,4cyclictest0-21swapper/722:26:367
536399187,5cyclictest0-21swapper/721:26:507
536399187,5cyclictest0-21swapper/721:13:587
536399187,5cyclictest0-21swapper/720:58:227
536399187,5cyclictest0-21swapper/720:46:387
536399187,5cyclictest0-21swapper/720:13:447
536399187,5cyclictest0-21swapper/719:42:327
536399187,5cyclictest0-21swapper/719:35:207
536399187,5cyclictest0-21swapper/719:32:047
536399187,5cyclictest0-21swapper/719:25:007
536399187,5cyclictest0-21swapper/719:05:227
536399187,0cyclictest0-21swapper/723:23:587
536399187,0cyclictest0-21swapper/721:14:367
536399187,0cyclictest0-21swapper/720:03:107
536399187,0cyclictest0-21swapper/700:13:067
536399185,0cyclictest0-21swapper/719:01:267
5363991813,0cyclictest0-21swapper/720:31:347
536399181,5cyclictest0-21swapper/720:52:127
535499181,8cyclictest0-21swapper/521:11:325
535499181,7cyclictest0-21swapper/522:57:165
5348991812,4cyclictest49-21ksoftirqd/423:09:054
534599184,6cyclictest9313-21sshd22:33:273
5327991813,3cyclictest25-21ksoftirqd/123:55:461
536399176,5cyclictest0-21swapper/723:15:147
536399176,5cyclictest0-21swapper/720:29:027
536399176,5cyclictest0-21swapper/719:57:527
536399176,5cyclictest0-21swapper/719:13:447
536399176,0cyclictest0-21swapper/720:21:367
536399176,0cyclictest0-21swapper/720:21:367
536399171,15cyclictest32287-21sshd22:10:397
535499173,1cyclictest0-21swapper/500:07:045
535499172,6cyclictest711-21dbus-daemon23:34:355
535499172,6cyclictest13678-21sshd21:21:155
535499172,3cyclictest8272-21grep23:24:375
535499171,7cyclictest0-21swapper/522:29:305
535499171,6cyclictest711-21dbus-daemon23:17:355
535499171,5cyclictest859-21polkitd22:42:475
535499170,6cyclictest0-21swapper/522:06:215
535499170,5cyclictest9922-21grep00:21:415
532799175,3cyclictest25-21ksoftirqd/121:49:481
5327991716,1cyclictest25-21ksoftirqd/121:04:531
536399165,5cyclictest0-21swapper/722:52:227
536399165,5cyclictest0-21swapper/721:43:147
536399165,0cyclictest0-21swapper/720:41:467
535499162,5cyclictest27826-21bash22:35:455
535499162,5cyclictest21654-21sshd21:43:525
535499161,7cyclictest740-21gdbus23:00:425
535499161,6cyclictest0-21swapper/523:51:325
535499161,5cyclictest711-21dbus-daemon00:09:565
535499161,5cyclictest20771-21systemd-cgroups22:00:395
535499161,5cyclictest19457-21systemd-cgroups21:30:305
535499161,5cyclictest15480-21systemd-cgroups21:47:145
535499161,4cyclictest22864-21grep23:22:145
535499161,2cyclictest5634-21sshd21:03:165
535499160,7cyclictest0-21swapper/523:09:475
535499160,6cyclictest0-21swapper/522:44:535
535499160,6cyclictest0-21swapper/520:54:465
535499160,5cyclictest20535-21latency_hist21:09:315
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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