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2026-04-15 - 16:43
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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 Wed Apr 15, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2658321020,2sleep31765699cyclictest11:47:373
118632840,2sleep11764099cyclictest12:35:401
118632840,2sleep11764099cyclictest12:35:401
189462750,0sleep40-21swapper/409:56:214
16322750,0sleep10-21swapper/110:02:511
19612740,0sleep60-21swapper/610:46:056
37812720,0sleep00-21swapper/009:38:470
221972710,0sleep10-21swapper/111:04:101
30232680,1sleep7721ktimersoftd/709:51:437
303332610,0sleep60-21swapper/611:38:276
289342510,0sleep40-21swapper/409:30:584
127622510,0sleep00-21swapper/010:27:570
1746524925,8sleep30-21swapper/307:05:163
293882480,1sleep029382-21systemd12:06:320
170932480,0sleep70-21swapper/711:16:577
126672470,0sleep60-21swapper/610:44:526
69682460,2sleep31765699cyclictest10:27:353
288322460,0sleep40-21swapper/410:30:494
190462460,0sleep30-21swapper/309:48:593
183432450,0sleep70-21swapper/710:39:337
63752440,1sleep66373-21sshd09:42:376
305492440,0sleep30-21swapper/310:40:173
299012440,0sleep30-21swapper/308:21:063
94822430,0sleep40-21swapper/411:03:254
241852430,1sleep024186-21sshd11:41:490
138902430,0sleep2311rcuc/209:24:312
123342430,1sleep3784-21runrttasks12:31:503
123342430,1sleep3784-21runrttasks12:31:503
88712420,0sleep0686-21dbus-daemon12:14:490
299882420,1sleep629987-21grepconf.sh12:34:496
299882420,1sleep629987-21grepconf.sh12:34:496
67272410,0sleep10-21swapper/109:18:301
67272410,0sleep10-21swapper/109:18:301
266262410,0sleep4481ktimersoftd/411:06:134
231082410,0sleep5551rcuc/512:08:055
214682410,0sleep70-21swapper/711:13:297
206452410,0sleep020644-21systemd-cgroups11:02:080
186892410,0sleep50-21swapper/510:37:395
151422410,1sleep665-21ksoftirqd/609:09:466
58832400,0sleep30-21swapper/311:14:293
325912400,0sleep00-21swapper/009:42:150
299912400,0sleep20-21swapper/209:10:382
1749124028,8sleep00-21swapper/007:05:370
1719624028,9sleep70-21swapper/707:01:447
119272400,0sleep70-21swapper/710:12:507
119272400,0sleep70-21swapper/710:12:507
274392390,0sleep20-21swapper/209:38:172
1745023916,8sleep60-21swapper/607:05:036
1724323926,9sleep40-21swapper/407:02:214
1723023927,8sleep20-21swapper/207:02:112
1722023926,9sleep10-21swapper/107:02:021
165122390,1sleep216075-21sshd10:18:452
129592390,1sleep212941-21cp09:13:182
116092390,0sleep30-21swapper/311:54:173
101192390,0sleep00-21swapper/009:57:450
32822380,0sleep70-21swapper/710:02:577
285612380,0sleep30-21swapper/311:15:493
1716723826,8sleep50-21swapper/507:01:175
155852380,0sleep70-21swapper/710:22:277
227622370,0sleep10-21swapper/109:10:131
102812370,0sleep40-21swapper/409:42:514
75752360,0sleep70-21swapper/711:22:027
260472360,2sleep71768899cyclictest09:27:017
1768199225,3cyclictest65-21ksoftirqd/611:02:026
17681992216,3cyclictest65-21ksoftirqd/609:57:276
17681992117,3cyclictest65-21ksoftirqd/609:27:276
1768199206,2cyclictest65-21ksoftirqd/612:00:546
17681992012,5cyclictest65-21ksoftirqd/612:22:446
1768199199,4cyclictest65-21ksoftirqd/610:06:026
1768199195,3cyclictest65-21ksoftirqd/609:12:316
1768199194,2cyclictest26152-21cp09:25:156
17681991915,3cyclictest65-21ksoftirqd/611:12:036
17681991915,2cyclictest65-21ksoftirqd/610:10:496
17681991915,2cyclictest65-21ksoftirqd/610:10:496
17681991915,1cyclictest65-21ksoftirqd/609:18:476
17681991915,1cyclictest65-21ksoftirqd/609:18:476
1768199187,1cyclictest65-21ksoftirqd/611:31:036
1768199185,1cyclictest65-21ksoftirqd/611:41:406
1768199184,3cyclictest65-21ksoftirqd/609:38:596
17681991815,3cyclictest65-21ksoftirqd/611:28:026
17681991815,2cyclictest65-21ksoftirqd/612:17:396
17681991814,3cyclictest65-21ksoftirqd/611:24:016
17681991813,3cyclictest65-21ksoftirqd/609:51:036
1768199180,2cyclictest65-21ksoftirqd/612:09:356
1768199180,18cyclictest14847-21kworker/6:511:48:026
1768199177,1cyclictest65-21ksoftirqd/610:39:266
17681991716,1cyclictest65-21ksoftirqd/611:17:076
17681991715,1cyclictest65-21ksoftirqd/611:09:406
17681991715,1cyclictest65-21ksoftirqd/609:32:276
17681991714,3cyclictest65-21ksoftirqd/612:27:406
17681991714,1cyclictest65-21ksoftirqd/610:02:346
17681991713,3cyclictest65-21ksoftirqd/610:52:036
17681991713,3cyclictest65-21ksoftirqd/610:52:036
17681991713,1cyclictest65-21ksoftirqd/610:23:566
17633991715,1cyclictest9-21ksoftirqd/009:10:390
19152160,2sleep11764099cyclictest09:44:171
17681991614,1cyclictest65-21ksoftirqd/612:10:576
17681991614,1cyclictest65-21ksoftirqd/611:59:186
17681991614,1cyclictest65-21ksoftirqd/611:51:066
17681991614,1cyclictest65-21ksoftirqd/610:26:416
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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