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2026-07-05 - 17:15
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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 Jul 05, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
68102870,2sleep10-21swapper/109:16:011
35862860,0sleep20-21swapper/212:11:592
226762850,2sleep43129999cyclictest09:28:224
156662730,1sleep31-21systemd11:57:023
156662730,1sleep31-21systemd11:57:023
50622720,0sleep10-21swapper/109:41:081
190742700,0sleep60-21swapper/611:39:356
190742700,0sleep60-21swapper/611:39:356
2889625525,17sleep50-21swapper/507:02:255
2864525127,8sleep30-21swapper/307:02:233
272142510,0sleep427220-21gltestperf12:07:284
3098325027,8sleep60-21swapper/607:05:316
3089424926,8sleep20-21swapper/207:04:152
3080124936,9sleep70-21swapper/707:03:007
306002490,1sleep030602-21grep09:21:130
3083824724,8sleep40-21swapper/407:03:294
83452460,0sleep20-21swapper/211:13:282
8842450,0sleep60-21swapper/610:45:536
78452450,0sleep70-21swapper/710:08:057
218262450,0sleep10-21swapper/109:36:031
174442450,0sleep60-21swapper/611:31:426
167252450,2sleep53130799cyclictest09:45:375
149442450,1sleep7464-21systemd-journal12:10:357
13692450,0sleep60-21swapper/611:13:006
97292440,0sleep20-21swapper/209:21:552
33002440,0sleep70-21swapper/710:38:257
217082440,0sleep50-21swapper/511:10:185
165152440,0sleep70-21swapper/712:20:457
155192440,0sleep00-21swapper/012:12:370
151742440,0sleep10-21swapper/111:11:591
143892440,0sleep50-21swapper/509:07:565
275432430,0sleep70-21swapper/712:13:247
273662430,0sleep50-21swapper/512:33:005
97622420,0sleep20-21swapper/211:54:452
97622420,0sleep20-21swapper/211:54:452
68212420,0sleep40-21swapper/409:37:114
3097724231,8sleep00-21swapper/007:05:250
124732420,0sleep30-21swapper/311:09:443
318062410,0sleep60-21swapper/611:48:166
146262410,0sleep70-21swapper/709:26:007
131812410,0sleep30-21swapper/312:14:323
115092410,0sleep00-21swapper/010:19:440
34202400,0sleep00-21swapper/010:55:480
268002400,0sleep1241ktimersoftd/110:22:331
237772400,0sleep20-21swapper/212:24:562
165972400,1sleep516598-21grepconf.sh10:27:495
73822390,0sleep40-21swapper/412:29:554
3094723925,9sleep10-21swapper/107:05:021
44582380,0sleep40-21swapper/412:23:464
173222380,0sleep40-21swapper/412:34:194
262272370,0sleep30-21swapper/309:51:593
125062330,0sleep10-21swapper/112:20:311
121882250,0sleep20-21swapper/209:56:472
31315992016,3cyclictest65-21ksoftirqd/609:22:496
288572200,0sleep50-21swapper/509:36:315
31264991915,1cyclictest24663-21sshd10:05:170
31264991915,1cyclictest24663-21sshd10:05:170
147472190,5sleep50-21swapper/512:28:195
31323991816,1cyclictest857-21polkitd09:48:287
31323991812,5cyclictest73-21ksoftirqd/710:19:567
31315991816,1cyclictest65-21ksoftirqd/609:37:566
3131599181,2cyclictest131rcu_sched09:48:026
31323991710,2cyclictest73-21ksoftirqd/710:31:117
31315991715,1cyclictest859-21gdbus12:17:156
31315991715,1cyclictest65-21ksoftirqd/612:33:466
31315991715,1cyclictest65-21ksoftirqd/612:16:316
31315991715,1cyclictest65-21ksoftirqd/610:39:486
31315991715,1cyclictest65-21ksoftirqd/609:27:236
31299991715,1cyclictest49-21ksoftirqd/411:42:284
31299991715,1cyclictest49-21ksoftirqd/411:42:284
31299991712,5cyclictest49-21ksoftirqd/410:41:494
31264991711,2cyclictest7823-21sshd12:08:120
225072170,0sleep5721-21dbus-daemon11:00:495
3132399160,1cyclictest26000-21sshd11:59:267
31315991615,1cyclictest65-21ksoftirqd/611:07:376
31315991615,1cyclictest65-21ksoftirqd/610:18:126
31315991614,1cyclictest65-21ksoftirqd/611:52:336
31315991614,1cyclictest65-21ksoftirqd/611:52:336
31315991614,1cyclictest65-21ksoftirqd/610:31:306
31315991614,1cyclictest65-21ksoftirqd/610:15:296
31315991614,1cyclictest65-21ksoftirqd/609:56:036
31315991614,1cyclictest65-21ksoftirqd/609:20:216
31315991613,3cyclictest65-21ksoftirqd/610:01:116
31315991612,1cyclictest65-21ksoftirqd/611:35:036
3131599160,4cyclictest28481-21sd-pam11:18:326
31299991615,1cyclictest49-21ksoftirqd/410:17:314
31299991614,1cyclictest49-21ksoftirqd/411:22:334
31299991614,1cyclictest49-21ksoftirqd/410:52:134
31299991614,1cyclictest49-21ksoftirqd/410:02:054
31299991612,3cyclictest49-21ksoftirqd/409:13:094
3129999160,2cyclictest131rcu_sched10:52:214
31284991614,1cyclictest33-21ksoftirqd/211:20:392
97802150,0sleep40-21swapper/407:22:344
44662150,0sleep00-21swapper/011:01:400
325772150,0sleep20-21swapper/209:42:372
3132399158,6cyclictest73-21ksoftirqd/710:55:147
31323991514,1cyclictest73-21ksoftirqd/709:12:467
31323991513,1cyclictest857-21polkitd10:24:127
31323991513,1cyclictest73-21ksoftirqd/711:48:057
31323991513,1cyclictest73-21ksoftirqd/711:14:067
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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