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2026-07-21 - 15:58
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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 Jul 21, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99221020,2sleep02993599cyclictest09:19:500
320642970,0sleep72998899cyclictest09:10:447
171522850,0sleep10-21swapper/111:06:041
67352840,2sleep72998899cyclictest09:47:207
235602780,1sleep4721-21dbus-daemon12:00:534
235602780,1sleep4721-21dbus-daemon12:00:534
10402720,0sleep10-21swapper/109:56:111
120762710,0sleep20-21swapper/210:22:072
266112610,2sleep22995099cyclictest09:14:002
268342560,0sleep40-21swapper/410:30:184
317822500,0sleep531773-21sshd09:50:395
2945125025,8sleep40-21swapper/407:02:144
2966824926,8sleep20-21swapper/207:05:172
181782490,0sleep00-21swapper/012:06:020
181672490,0sleep30-21swapper/311:16:553
166162480,0sleep20-21swapper/211:31:272
153572480,0sleep40-21swapper/412:18:314
247372470,0sleep024734-21fschecks_count11:51:520
147792470,0sleep40-21swapper/410:51:254
147792470,0sleep40-21swapper/410:51:254
99762460,0sleep10-21swapper/109:07:021
2965824623,8sleep10-21swapper/107:05:081
25552450,0sleep10-21swapper/110:25:191
69172440,0sleep60-21swapper/611:49:026
326832440,0sleep60-21swapper/610:06:586
315982430,0sleep40-21swapper/411:01:264
255902430,0sleep10-21swapper/111:42:481
255902430,0sleep10-21swapper/111:42:481
235462430,0sleep1721-21dbus-daemon12:15:241
216852430,0sleep50-21swapper/508:41:595
193032430,0sleep20-21swapper/212:26:062
175552430,0sleep00-21swapper/010:07:560
54632420,0sleep40-21swapper/411:32:344
321712420,0sleep70-21swapper/712:12:097
2959324228,10sleep30-21swapper/307:04:143
2946324229,9sleep70-21swapper/707:02:257
258222420,0sleep30-21swapper/310:51:563
218732420,0sleep00-21swapper/009:28:150
203702420,0sleep60-21swapper/610:24:286
19212420,1sleep71922-21grep09:43:287
13412420,0sleep70-21swapper/710:14:207
98212410,0sleep39818-21sshd10:51:083
98212410,0sleep39818-21sshd10:51:083
93102410,0sleep40-21swapper/409:29:234
2971524129,8sleep50-21swapper/507:05:525
2952924129,8sleep60-21swapper/607:03:206
246562410,1sleep724654-21sshd11:35:337
220092410,0sleep10-21swapper/109:17:191
172022410,0sleep50-21swapper/511:33:155
80612400,0sleep40-21swapper/409:45:414
47692400,1sleep0709-21systemd-logind09:47:130
2965724027,9sleep00-21swapper/007:05:070
284552400,1sleep1758-21runrttasks12:22:521
198502400,0sleep60-21swapper/611:35:166
94832390,0sleep30-21swapper/310:12:553
240442390,0sleep00-21swapper/009:10:130
112842390,0sleep40-21swapper/411:56:364
111172390,0sleep09-21ksoftirqd/010:49:210
111172390,0sleep09-21ksoftirqd/010:49:210
9382380,0sleep50-21swapper/511:16:015
293622380,2sleep12994299cyclictest09:30:321
105962380,2sleep02993599cyclictest11:11:070
236822370,1sleep32995899cyclictest11:37:133
2997499267,3cyclictest57-21ksoftirqd/509:58:355
2997499267,3cyclictest57-21ksoftirqd/509:58:355
29942992613,1cyclictest25-21ksoftirqd/111:21:401
232682230,0sleep30-21swapper/309:39:153
2994299228,4cyclictest25-21ksoftirqd/109:46:531
2994299221,3cyclictest25-21ksoftirqd/112:16:521
2997499218,1cyclictest57-21ksoftirqd/512:15:515
2994299212,3cyclictest25-21ksoftirqd/111:38:321
29942992118,1cyclictest25-21ksoftirqd/110:41:271
29942992117,3cyclictest25-21ksoftirqd/109:36:051
2994299211,2cyclictest25-21ksoftirqd/111:48:111
314912200,0sleep10-21swapper/111:54:011
2997499200,3cyclictest0-21swapper/512:11:305
2995899207,2cyclictest41-21ksoftirqd/310:08:023
2995899202,1cyclictest41-21ksoftirqd/311:52:403
2994299202,3cyclictest25-21ksoftirqd/110:42:561
29935992018,1cyclictest9-21ksoftirqd/011:15:210
2997499190,1cyclictest131rcu_sched10:18:155
2995899195,3cyclictest41-21ksoftirqd/309:27:153
29958991915,1cyclictest41-21ksoftirqd/311:12:483
29942991916,3cyclictest25-21ksoftirqd/111:12:541
29942991915,1cyclictest25-21ksoftirqd/110:49:421
29942991915,1cyclictest25-21ksoftirqd/110:49:421
29935991917,1cyclictest9-21ksoftirqd/012:34:380
29988991817,1cyclictest73-21ksoftirqd/712:20:587
29974991815,2cyclictest57-21ksoftirqd/510:52:335
29974991815,1cyclictest57-21ksoftirqd/512:21:045
2997499180,1cyclictest7278-21sshd10:12:485
29958991817,1cyclictest41-21ksoftirqd/310:05:123
29958991817,1cyclictest41-21ksoftirqd/309:52:513
29958991816,2cyclictest41-21ksoftirqd/310:35:273
29958991816,1cyclictest41-21ksoftirqd/312:32:403
29958991816,1cyclictest41-21ksoftirqd/310:58:013
29958991816,1cyclictest41-21ksoftirqd/309:22:583
29958991815,1cyclictest41-21ksoftirqd/312:13:303
29958991812,4cyclictest41-21ksoftirqd/310:20:253
2995899180,1cyclictest41-21ksoftirqd/309:19:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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