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2026-04-01 - 20:04
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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 01, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56119912110,11cyclictest0-21swapper/109:08:111
5641998280,1cyclictest686-21dbus-daemon09:08:117
24872800,1sleep02452-21bash11:36:500
5634997637,39cyclictest0-21swapper/609:08:116
157912760,0sleep30-21swapper/311:06:093
5619996646,0cyclictest0-21swapper/309:08:113
538426055,2sleep10-21swapper/107:05:281
322602580,0sleep30-21swapper/311:59:033
110822560,0sleep70-21swapper/711:24:237
37492520,1sleep09-21ksoftirqd/009:17:380
231042490,0sleep60-21swapper/611:15:496
163812490,0sleep50-21swapper/511:06:115
160022490,2sleep5562899cyclictest12:29:495
517724837,8sleep30-21swapper/307:02:413
4102470,0sleep30-21swapper/312:14:013
140952470,1sleep614072-21sshd11:00:276
97242460,0sleep10-21swapper/110:54:381
87722460,1sleep665-21ksoftirqd/611:50:176
47712460,0sleep50-21swapper/512:10:345
196762460,0sleep30-21swapper/310:43:593
66872450,1sleep76683-21sshd11:03:417
5614994544,1cyclictest13550irq/24-ahci[00009:08:112
541724533,9sleep70-21swapper/707:05:587
100562450,1sleep210054-21bash11:16:492
246472440,6sleep7564199cyclictest11:12:067
117372440,1sleep011731-21systemd11:56:040
96592430,0sleep20-21swapper/209:32:462
53542430,0sleep20-21swapper/210:30:122
259432430,1sleep665-21ksoftirqd/609:18:566
96072420,0sleep1241ktimersoftd/111:50:201
560599420,42cyclictest10507-21kworker/0:309:08:110
535224229,9sleep00-21swapper/007:05:020
276042420,0sleep50-21swapper/510:23:585
241422420,0sleep10-21swapper/109:44:461
241422420,0sleep10-21swapper/109:44:461
219912420,0sleep20-21swapper/211:54:462
180632420,0sleep40-21swapper/409:44:254
180632420,0sleep40-21swapper/409:44:254
525624128,9sleep60-21swapper/607:03:486
42102410,0sleep70-21swapper/709:47:167
221082410,0sleep60-21swapper/610:06:536
122882410,0sleep10-21swapper/110:43:331
511124029,8sleep40-21swapper/407:01:464
41492400,0sleep70-21swapper/712:19:497
303992400,2sleep2561499cyclictest11:31:072
297124029,8sleep20-21swapper/207:01:202
247962400,0sleep624795-21systemd-cgroups11:56:426
214312400,0sleep2311rcuc/212:02:062
40612390,0sleep30-21swapper/310:17:003
297423927,9sleep50-21swapper/507:01:235
293052390,0sleep70-21swapper/712:21:187
293052390,0sleep70-21swapper/712:21:187
207832390,0sleep60-21swapper/610:17:596
149072390,0sleep714899-21sshd11:46:507
46412380,0sleep50-21swapper/511:14:445
304902380,0sleep70-21swapper/712:36:157
240802380,0sleep70-21swapper/710:46:117
237162380,0sleep30-21swapper/311:17:383
150942380,1sleep215063-21systemd10:17:392
193672370,0sleep70-21swapper/712:28:067
139252370,0sleep10-21swapper/111:04:071
54232350,2sleep5562899cyclictest09:34:255
5628993434,0cyclictest11471-21kworker/5:409:08:115
138322330,0sleep70-21swapper/709:53:257
85462320,0sleep4481ktimersoftd/411:35:254
562199260,19cyclictest0-21swapper/409:08:114
561499259,1cyclictest33-21ksoftirqd/210:48:582
561499225,1cyclictest33-21ksoftirqd/209:40:502
5614992219,3cyclictest33-21ksoftirqd/211:14:272
5614992215,4cyclictest33-21ksoftirqd/210:04:042
561499210,20cyclictest8454-21kworker/2:410:11:402
262332210,1sleep6641ktimersoftd/612:34:066
564199200,3cyclictest21668-21bash10:23:377
5619992018,2cyclictest41-21ksoftirqd/310:01:443
5619992017,1cyclictest41-21ksoftirqd/310:48:543
561499206,2cyclictest131rcu_sched09:41:572
561499206,2cyclictest131rcu_sched09:41:572
561499203,2cyclictest33-21ksoftirqd/212:08:162
5614992014,4cyclictest33-21ksoftirqd/209:12:032
561499197,3cyclictest33-21ksoftirqd/212:36:172
561499193,4cyclictest33-21ksoftirqd/211:50:262
561499192,1cyclictest33-21ksoftirqd/212:21:372
561499192,1cyclictest33-21ksoftirqd/212:21:372
5614991916,2cyclictest33-21ksoftirqd/211:42:312
5614991915,3cyclictest33-21ksoftirqd/210:21:572
5614991915,1cyclictest33-21ksoftirqd/210:58:102
5614991912,4cyclictest33-21ksoftirqd/211:56:512
561499191,4cyclictest121rcu_preempt10:39:142
5628991816,1cyclictest57-21ksoftirqd/511:00:465
5619991816,1cyclictest41-21ksoftirqd/309:54:013
5619991812,2cyclictest41-21ksoftirqd/310:26:213
5619991812,1cyclictest41-21ksoftirqd/312:26:583
561499186,1cyclictest33-21ksoftirqd/211:40:422
5614991817,1cyclictest33-21ksoftirqd/210:08:502
5614991817,1cyclictest33-21ksoftirqd/209:26:382
5614991816,1cyclictest6536-21sshd11:09:162
5614991814,4cyclictest33-21ksoftirqd/210:01:142
5614991813,4cyclictest33-21ksoftirqd/209:52:032
86592170,0sleep50-21swapper/509:30:565
75892170,0sleep70-21swapper/711:00:047
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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