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2026-04-23 - 07:13
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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 Thu Apr 23, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2059721070,1sleep720596-21systemd21:10:017
87482920,0sleep10-21swapper/100:03:111
195482860,0sleep7721-21dbus-daemon21:42:057
57892740,2sleep61499499cyclictest22:07:196
53352740,1sleep41-21systemd23:48:014
90682720,0sleep30-21swapper/323:59:293
1456826560,2sleep40-21swapper/419:06:284
251782590,1sleep325177-21grepconf.sh21:42:253
272502530,0sleep70-21swapper/723:04:237
171112520,1sleep117106-21sshd21:30:461
168252510,10sleep213550irq/24-ahci[00022:06:032
58332500,1sleep35814-21cp21:24:393
242732490,0sleep424269-21sshd23:41:364
124442490,0sleep10-21swapper/121:50:561
124442490,0sleep10-21swapper/121:50:561
35562480,0sleep40-21swapper/400:25:174
7892470,0sleep30-21swapper/323:40:153
178012470,1sleep317802-21sshd00:33:413
178012470,1sleep317802-21sshd00:33:413
39702460,0sleep20-21swapper/222:40:392
277262460,0sleep70-21swapper/722:17:537
250912460,0sleep70-21swapper/723:26:417
122312460,0sleep50-21swapper/523:33:285
271492450,0sleep60-21swapper/621:46:136
231152450,0sleep00-21swapper/000:00:140
131422450,0sleep513140-21sshd23:10:535
13012450,1sleep5758-21runrttasks22:36:495
59282430,0sleep00-21swapper/023:34:590
310042430,2sleep71500299cyclictest22:08:487
307822420,1sleep430770-21sshd21:14:554
298462420,0sleep30-21swapper/323:13:483
256312420,1sleep233-21ksoftirqd/222:45:352
256312420,1sleep233-21ksoftirqd/222:45:352
208962420,0sleep10-21swapper/123:45:091
177912420,0sleep00-21swapper/021:34:370
173492420,0sleep60-21swapper/623:58:046
169132420,0sleep00-21swapper/022:48:540
169132420,0sleep00-21swapper/022:48:540
145262420,0sleep40-21swapper/422:37:364
77802410,0sleep40-21swapper/421:46:594
220662410,0sleep50-21swapper/522:30:335
207232410,0sleep60-21swapper/622:28:416
196482410,1sleep773-21ksoftirqd/722:47:097
196482410,1sleep773-21ksoftirqd/722:47:097
180872410,0sleep30-21swapper/323:15:003
45602400,1sleep24563-21sshd00:02:562
311832400,0sleep40-21swapper/422:19:584
157712400,2sleep31497399cyclictest21:49:223
1468724029,8sleep20-21swapper/219:08:102
1452424028,8sleep00-21swapper/019:05:520
1452224027,9sleep70-21swapper/719:05:517
1450224028,8sleep50-21swapper/519:05:335
1475823928,8sleep60-21swapper/619:09:116
1461023926,9sleep10-21swapper/119:07:051
1457623928,8sleep30-21swapper/319:06:353
56852380,2sleep11496499cyclictest00:23:381
163522380,0sleep30-21swapper/322:26:303
169172370,2sleep41497699cyclictest23:05:324
129392370,0sleep40-21swapper/422:44:574
129392370,0sleep40-21swapper/422:44:574
208442340,0sleep60-21swapper/623:50:436
14994992410,1cyclictest65-21ksoftirqd/623:37:426
162562220,1sleep116252-21sshd23:31:481
1499499228,3cyclictest65-21ksoftirqd/623:17:266
1499499228,3cyclictest65-21ksoftirqd/621:55:166
1499499228,3cyclictest65-21ksoftirqd/600:33:496
1499499228,3cyclictest65-21ksoftirqd/600:33:496
14994992211,3cyclictest65-21ksoftirqd/600:00:066
1499499219,3cyclictest65-21ksoftirqd/622:21:486
1499499219,2cyclictest65-21ksoftirqd/600:27:266
1499499217,3cyclictest65-21ksoftirqd/623:12:306
14988992116,4cyclictest29780-21sshd00:19:265
1499499207,3cyclictest65-21ksoftirqd/621:32:456
1499499206,1cyclictest65-21ksoftirqd/622:40:506
1499499201,3cyclictest65-21ksoftirqd/623:00:596
1498899207,1cyclictest57-21ksoftirqd/521:54:325
1498899207,1cyclictest57-21ksoftirqd/521:54:325
14988992017,1cyclictest57-21ksoftirqd/521:19:265
14988992017,1cyclictest57-21ksoftirqd/500:34:275
14988992017,1cyclictest57-21ksoftirqd/500:34:275
1498899201,3cyclictest131rcu_sched21:22:365
14964992015,3cyclictest25-21ksoftirqd/122:12:551
218602190,0sleep50-21swapper/523:05:495
1499499198,2cyclictest65-21ksoftirqd/622:31:446
1499499198,1cyclictest65-21ksoftirqd/622:10:096
1499499197,3cyclictest65-21ksoftirqd/622:45:336
1499499197,3cyclictest65-21ksoftirqd/622:45:336
1499499197,3cyclictest65-21ksoftirqd/621:36:356
1499499197,3cyclictest65-21ksoftirqd/600:11:186
1499499192,3cyclictest65-21ksoftirqd/621:40:366
1499499190,2cyclictest65-21ksoftirqd/600:37:116
1499499190,1cyclictest65-21ksoftirqd/600:07:116
1498899195,1cyclictest57-21ksoftirqd/523:21:095
14988991914,4cyclictest57-21ksoftirqd/522:25:085
310542180,0sleep20-21swapper/221:12:532
202572180,1sleep341-21ksoftirqd/322:41:363
1499499187,3cyclictest65-21ksoftirqd/622:04:116
1499499187,3cyclictest65-21ksoftirqd/621:25:526
1499499187,1cyclictest65-21ksoftirqd/623:41:306
1499499187,1cyclictest65-21ksoftirqd/621:19:426
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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