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2026-04-05 - 09:53
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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 Apr 05, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320262890,1sleep032022-21sshd00:26:570
211962880,0sleep50-21swapper/521:16:245
199462840,1sleep4956799cyclictest21:32:574
131532820,0sleep40-21swapper/422:45:054
60352800,0sleep00-21swapper/022:37:080
42462540,1sleep74206-21bash22:22:097
21132530,1sleep22092-21bash21:52:172
145542530,0sleep00-21swapper/000:35:210
921025127,8sleep00-21swapper/019:03:110
292362510,0sleep50-21swapper/522:14:225
321182500,0sleep2784-21runrttasks22:42:232
139692500,1sleep5887-21gdbus00:20:215
139692500,1sleep5887-21gdbus00:20:215
272962490,0sleep40-21swapper/419:36:214
295892480,0sleep129574-21sshd22:42:141
202862480,1sleep720285-21grep00:03:497
73632470,1sleep47364-21grepconf.sh22:48:254
7482460,1sleep09-21ksoftirqd/021:13:220
315632460,0sleep031558-21grepconf.sh22:10:490
31512460,1sleep5686-21dbus-daemon00:04:435
261262460,0sleep10-21swapper/123:28:351
204522460,0sleep70-21swapper/700:22:317
153002460,0sleep30-21swapper/323:07:303
106002460,1sleep1231rcuc/100:20:091
106002460,1sleep1231rcuc/100:20:091
910124533,8sleep30-21swapper/319:01:463
310502450,0sleep731051-21bash22:18:097
287282450,1sleep128716-21sshd23:36:121
93342440,0sleep70-21swapper/700:31:207
72572440,0sleep00-21swapper/000:21:440
305702440,0sleep70-21swapper/722:12:327
230332440,0sleep50-21swapper/523:48:575
296502430,0sleep00-21swapper/000:13:430
282072430,0sleep20-21swapper/222:40:222
914824230,9sleep10-21swapper/119:02:241
77322420,0sleep00-21swapper/023:34:590
55532420,0sleep00-21swapper/022:50:130
240082420,0sleep5551rcuc/523:04:205
151092420,0sleep10-21swapper/123:48:291
129102420,1sleep312842-21systemd21:56:343
313192410,0sleep70-21swapper/722:10:487
211352410,1sleep2686-21dbus-daemon21:25:422
914924028,8sleep20-21swapper/219:02:252
911424027,9sleep50-21swapper/519:01:565
57372400,0sleep6641ktimersoftd/623:38:336
305002400,0sleep50-21swapper/522:59:075
158492400,0sleep50-21swapper/500:07:155
122132400,0sleep40-21swapper/422:09:414
928023927,8sleep70-21swapper/719:04:067
220862390,0sleep60-21swapper/622:28:496
200862390,0sleep5561ktimersoftd/522:52:515
17102390,1sleep71690-21sshd23:30:577
146042390,0sleep00-21swapper/021:58:400
919323827,8sleep60-21swapper/619:03:016
695023826,8sleep40-21swapper/419:01:154
64552380,0sleep20-21swapper/223:25:402
245212370,0sleep10-21swapper/100:34:021
243722350,0sleep60-21swapper/621:35:076
7812340,2sleep1955299cyclictest00:02:391
150202330,0sleep40-21swapper/423:29:504
9548992419,0cyclictest0-21swapper/023:37:390
9548992418,1cyclictest9-21ksoftirqd/022:18:190
300652240,1sleep230064-21systemd-cgroups21:35:272
134202230,8sleep213550irq/24-ahci[00023:52:072
9548992116,5cyclictest12222-21kworker/0:223:44:150
62712210,1sleep06192-21sshd21:07:460
9574991911,1cyclictest31200-21sshd22:29:215
9548991917,1cyclictest9-21ksoftirqd/022:22:560
161552190,1sleep716156-21kworker/u16:322:52:377
9548991814,4cyclictest101ktimersoftd/022:29:430
324652180,0sleep5561ktimersoftd/521:39:145
17972180,2sleep2955899cyclictest22:18:202
9567991712,2cyclictest17938-21systemd21:40:174
954899174,7cyclictest9-21ksoftirqd/022:31:190
9548991715,1cyclictest9-21ksoftirqd/022:12:490
209882170,0sleep60-21swapper/621:08:486
181612170,0sleep40-21swapper/423:20:454
9558991614,1cyclictest33-21ksoftirqd/223:28:402
9558991612,3cyclictest33-21ksoftirqd/223:41:122
9558991612,1cyclictest1-21systemd23:58:342
9552991610,3cyclictest25-21ksoftirqd/121:30:371
954899167,8cyclictest7975-21systemd21:43:230
954899166,9cyclictest9-21ksoftirqd/021:39:030
9548991615,1cyclictest9-21ksoftirqd/021:31:030
9548991613,2cyclictest9-21ksoftirqd/000:00:110
9548991611,5cyclictest9-21ksoftirqd/023:15:150
9548991611,1cyclictest885-21polkitd21:46:330
954899160,2cyclictest131rcu_sched23:48:550
954899160,2cyclictest131rcu_sched23:21:240
257622160,1sleep225763-21sshd22:34:382
9576991513,1cyclictest65-21ksoftirqd/623:28:426
957499158,6cyclictest27790-21sshd22:19:535
957499158,6cyclictest18809-21id21:34:475
9574991513,2cyclictest24726-21kworker/u16:023:29:375
9574991512,1cyclictest26533-21systemd21:42:355
9567991513,1cyclictest49-21ksoftirqd/422:26:404
9567991513,1cyclictest49-21ksoftirqd/422:02:524
9558991513,1cyclictest33-21ksoftirqd/200:10:352
9558991512,2cyclictest33-21ksoftirqd/222:51:412
9558991512,2cyclictest33-21ksoftirqd/222:01:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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