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2026-05-25 - 00:57
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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 May 24, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
187402870,0sleep00-21swapper/011:42:560
237802770,1sleep723763-21bash10:09:567
124362760,1sleep5721-21dbus-daemon11:57:105
312692720,0sleep30-21swapper/311:05:103
1441725928,18sleep70-21swapper/707:08:037
99322510,0sleep20-21swapper/209:52:452
266622510,0sleep20-21swapper/211:37:532
283092500,2sleep61468399cyclictest09:40:566
74502480,1sleep17410-21sshd10:34:331
74502480,1sleep17410-21sshd10:34:331
23762480,1sleep42338-21sshd09:39:254
197202480,0sleep40-21swapper/410:31:404
197202480,0sleep40-21swapper/410:31:404
38772470,2sleep61468399cyclictest11:54:476
16762470,0sleep30-21swapper/310:56:133
47292460,0sleep20-21swapper/211:58:362
283752460,1sleep5709-21systemd-logind09:59:135
188942460,0sleep50-21swapper/510:49:515
178642460,1sleep417834-21sshd09:16:354
108912460,0sleep20-21swapper/211:27:522
55522450,0sleep20-21swapper/209:17:452
41242450,0sleep00-21swapper/011:58:340
213392450,0sleep10-21swapper/112:14:041
199242450,0sleep70-21swapper/711:57:377
162122450,0sleep50-21swapper/510:09:305
51642440,1sleep75163-21systemd-cgroups11:03:467
219022440,0sleep70-21swapper/710:04:197
125432440,1sleep09-21ksoftirqd/011:29:420
77802430,0sleep00-21swapper/011:03:550
252152430,1sleep425216-21sshd10:11:534
228772430,1sleep01-21systemd09:24:080
202852430,0sleep520266-21sshd12:28:425
202852430,0sleep520266-21sshd12:28:425
1431124319,8sleep60-21swapper/607:06:346
8042420,0sleep20-21swapper/210:34:102
8042420,0sleep20-21swapper/210:34:102
255962420,0sleep10-21swapper/110:42:581
204542420,2sleep2321ktimersoftd/210:02:302
162422420,0sleep30-21swapper/311:22:403
145222420,0sleep0111rcuc/009:47:300
145222420,0sleep0111rcuc/009:47:300
143242420,0sleep10-21swapper/109:51:081
321752410,0sleep10-21swapper/109:28:251
308042410,0sleep70-21swapper/712:23:487
308042410,0sleep70-21swapper/712:23:487
287282410,0sleep10-21swapper/109:48:201
287282410,0sleep10-21swapper/109:48:201
247812410,0sleep60-21swapper/610:35:346
247812410,0sleep60-21swapper/610:35:346
181612410,0sleep20-21swapper/209:38:352
15722410,1sleep11568-21systemd12:02:031
1424324129,8sleep50-21swapper/507:05:375
1416424130,8sleep30-21swapper/307:04:303
124512410,1sleep3670-21rs:main3
305282400,0sleep20-21swapper/209:24:342
298712400,0sleep40-21swapper/410:08:334
189952400,0sleep773-21ksoftirqd/712:15:477
164532400,0sleep70-21swapper/707:09:067
161422400,0sleep30-21swapper/312:04:373
1436724027,9sleep40-21swapper/407:07:204
1418024028,9sleep10-21swapper/107:04:441
99612390,1sleep71-21systemd12:06:097
198772390,0sleep50-21swapper/510:35:175
198772390,0sleep50-21swapper/510:35:175
147302390,0sleep3391rcuc/311:13:273
1438323928,8sleep20-21swapper/207:07:342
1414223927,8sleep00-21swapper/007:04:110
104202390,0sleep40-21swapper/409:52:474
1463399248,1cyclictest9-21ksoftirqd/010:03:500
14633992316,4cyclictest9-21ksoftirqd/009:19:470
14633992220,1cyclictest9-21ksoftirqd/011:01:400
14633992210,1cyclictest9-21ksoftirqd/010:03:180
305192200,1sleep330515-21bash09:33:483
163322200,0sleep47036-21kworker/u16:310:00:244
14675992013,3cyclictest57-21ksoftirqd/512:17:425
14633992018,1cyclictest9-21ksoftirqd/012:01:230
14633992016,3cyclictest9-21ksoftirqd/010:21:080
14633992011,1cyclictest9-21ksoftirqd/012:04:480
1463399194,3cyclictest9-21ksoftirqd/012:24:030
1463399194,3cyclictest9-21ksoftirqd/012:24:030
1463399192,1cyclictest9-21ksoftirqd/010:51:100
14633991917,2cyclictest9-21ksoftirqd/012:33:400
14633991917,1cyclictest9-21ksoftirqd/010:31:250
14633991917,1cyclictest9-21ksoftirqd/010:31:250
14633991916,2cyclictest9-21ksoftirqd/011:26:250
14633991916,1cyclictest9-21ksoftirqd/011:13:210
14633991915,3cyclictest9-21ksoftirqd/011:17:220
14633991915,1cyclictest121rcu_preempt12:23:180
14633991915,1cyclictest121rcu_preempt12:23:180
1463399191,2cyclictest9-21ksoftirqd/010:27:270
1463399188,2cyclictest9-21ksoftirqd/009:31:350
1463399184,1cyclictest9-21ksoftirqd/011:44:510
14633991817,1cyclictest9-21ksoftirqd/010:36:310
14633991817,1cyclictest9-21ksoftirqd/010:36:310
14633991815,1cyclictest9-21ksoftirqd/009:16:550
14633991814,1cyclictest9-21ksoftirqd/012:14:480
14633991814,1cyclictest9-21ksoftirqd/009:34:490
1463399181,1cyclictest9-21ksoftirqd/009:54:220
14675991715,1cyclictest57-21ksoftirqd/512:10:195
14675991714,2cyclictest57-21ksoftirqd/510:22:015
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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