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2026-01-11 - 16:19
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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 Sun Jan 11, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78462820,2sleep52615299cyclictest10:36:575
50362720,1sleep75035-21sshd09:28:527
240672620,2sleep09-21ksoftirqd/007:04:150
2598826049,8sleep30-21swapper/307:08:363
273242580,1sleep41-21systemd09:21:044
2570525846,8sleep50-21swapper/507:04:455
39512550,0sleep30-21swapper/312:30:443
73862520,0sleep20-21swapper/211:29:002
174622510,0sleep20-21swapper/209:55:222
255942500,0sleep20-21swapper/210:54:402
255942500,0sleep20-21swapper/210:54:402
103492500,2sleep12614699cyclictest09:17:401
2571624926,8sleep70-21swapper/707:04:557
102862480,0sleep60-21swapper/611:00:456
62382470,0sleep4471rcuc/411:00:274
273462470,0sleep40-21swapper/411:30:224
23572470,1sleep42352-21sshd10:26:554
64672460,2sleep02614099cyclictest11:17:130
2544724623,9sleep10-21swapper/107:04:251
220132450,0sleep6686-21dbus-daemon10:35:306
180832450,0sleep7711rcuc/711:41:557
54542440,0sleep10-21swapper/109:45:041
244712440,0sleep60-21swapper/607:59:226
227002440,0sleep00-21swapper/011:39:480
166762440,0sleep50-21swapper/508:44:135
32692430,0sleep50-21swapper/512:02:035
2569324332,8sleep20-21swapper/207:04:342
179472430,0sleep717942-21sshd09:45:587
129152430,1sleep412914-21systemctl09:17:514
76352420,0sleep20-21swapper/212:06:572
109132420,0sleep50-21swapper/511:34:085
78112410,0sleep10-21swapper/109:43:031
324662410,0sleep50-21swapper/510:03:265
21492410,0sleep30-21swapper/310:22:223
315862400,1sleep531575-21sshd09:30:425
2570424026,10sleep40-21swapper/407:04:444
61312390,0sleep1231rcuc/112:11:281
37852390,0sleep70-21swapper/709:49:347
2354523927,8sleep60-21swapper/607:04:066
194782380,0sleep40-21swapper/410:44:494
99442370,0sleep50-21swapper/512:24:145
293492370,0sleep60-21swapper/610:10:156
181762370,0sleep40-21swapper/411:34:314
179512360,1sleep773-21ksoftirqd/709:36:457
251972250,1sleep725198-21grepconf.sh12:37:057
276612220,0sleep60-21swapper/611:40:106
2615299226,1cyclictest57-21ksoftirqd/512:16:305
26152992215,4cyclictest57-21ksoftirqd/511:50:315
2615299203,1cyclictest57-21ksoftirqd/511:30:085
2615299201,1cyclictest57-21ksoftirqd/509:37:245
2614099201,2cyclictest0-21swapper/010:57:030
2614099201,2cyclictest0-21swapper/010:57:030
2614099201,1cyclictest0-21swapper/010:50:490
249922200,0sleep70-21swapper/710:57:027
249922200,0sleep70-21swapper/710:57:027
237082200,0sleep10-21swapper/110:56:561
237082200,0sleep10-21swapper/110:56:561
149662200,0sleep70-21swapper/709:41:097
100422200,1sleep110044-21sshd11:24:271
2615299197,1cyclictest57-21ksoftirqd/512:36:245
2615299193,2cyclictest121rcu_preempt10:15:375
2615299193,1cyclictest57-21ksoftirqd/509:52:245
26152991916,3cyclictest57-21ksoftirqd/510:22:105
26152991915,3cyclictest57-21ksoftirqd/510:51:345
26152991915,3cyclictest57-21ksoftirqd/510:07:075
26152991912,4cyclictest57-21ksoftirqd/510:31:395
26152991814,2cyclictest57-21ksoftirqd/511:24:125
26152991814,1cyclictest57-21ksoftirqd/512:12:085
26152991814,1cyclictest57-21ksoftirqd/509:25:215
26152991812,6cyclictest57-21ksoftirqd/510:26:575
26152991812,4cyclictest57-21ksoftirqd/510:12:135
2614099181,1cyclictest9-21ksoftirqd/012:07:470
2614099181,0cyclictest0-21swapper/010:00:260
2614099180,6cyclictest6438-21sd-pam09:52:150
2614099180,5cyclictest31452-21bash10:29:000
101872180,0sleep10-21swapper/111:17:301
2615299174,3cyclictest57-21ksoftirqd/510:44:115
2615299174,2cyclictest57-21ksoftirqd/510:40:105
26152991716,1cyclictest57-21ksoftirqd/512:29:105
26152991715,2cyclictest57-21ksoftirqd/511:47:565
26152991715,2cyclictest57-21ksoftirqd/510:55:275
26152991715,2cyclictest57-21ksoftirqd/510:55:275
26152991715,1cyclictest57-21ksoftirqd/509:40:445
26152991714,1cyclictest57-21ksoftirqd/510:59:165
26152991713,3cyclictest57-21ksoftirqd/511:17:475
26152991712,3cyclictest57-21ksoftirqd/511:55:075
26152991711,4cyclictest57-21ksoftirqd/511:08:165
2615299170,3cyclictest4840-21systemd-cgroups09:54:265
2615299170,2cyclictest121rcu_preempt12:06:045
2615299170,1cyclictest131rcu_sched11:43:115
26150991716,1cyclictest41-21ksoftirqd/309:20:433
26150991712,1cyclictest41-21ksoftirqd/309:54:353
2614099172,2cyclictest1-21systemd10:16:150
2614099171,3cyclictest9-21ksoftirqd/010:19:220
2614099171,1cyclictest0-21swapper/011:48:370
2614099171,1cyclictest0-21swapper/011:29:570
2614099171,1cyclictest0-21swapper/011:03:480
2614099171,1cyclictest0-21swapper/009:20:190
2614099170,1cyclictest0-21swapper/011:53:060
133582170,0sleep30-21swapper/311:05:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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