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2026-03-16 - 00:23
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack5slot1.osadl.org (updated Sun Mar 15, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
372639960,1EcMasterDemoSyn3734-21runintdemo5min12:04:363
888239840,0EcMasterDemoSyn0-21swapper/410:02:534
2762639840,0EcMasterDemoSyn2763629tAtEmLog_010:48:325
2247539830,0EcMasterDemoSyn2248529tAtEmLog_008:31:375
3192639820,0EcMasterDemoSyn3193629tAtEmLog_008:51:535
3119739820,0EcMasterDemoSyn3120829tAtEmLog_007:40:555
3119739820,0EcMasterDemoSyn3120829tAtEmLog_007:40:545
2769539820,0EcMasterDemoSyn2770529tAtEmLog_010:13:035
1770539820,0EcMasterDemoSyn1771529tAtEmLog_008:21:285
1613939820,0EcMasterDemoSyn1614929tAtEmLog_007:10:285
350339810,0EcMasterDemoSyn351329tAtEmLog_007:51:035
3111939810,0EcMasterDemoSyn3112929tAtEmLog_012:19:495
1759739700,0EcMasterDemoSyn0-21swapper/009:32:290
911039400,0EcMasterDemoSyn9117-21runintdemo5min10:38:230
2200439290,1EcMasterDemoSyn22013-21runintdemo5min09:17:160
14843992118,2cyclictest2913-21kworker/1:1+events07:35:491
14843992118,2cyclictest2913-21kworker/1:1+events07:35:481
217672200,0sleep20-21swapper/208:30:162
1484799190,14cyclictest4311-21ssh11:46:212
1484799190,13cyclictest2322-21taskset10:52:082
1484799190,13cyclictest20501-21ssh10:26:292
1484799190,12cyclictest15047-21needreboot12:10:172
1484399191,13cyclictest16-1pr/legacy08:41:431
1483899190,7cyclictest780-21runrttasks10:52:090
4566291817,0tAtEmLog_00-21swapper/509:04:545
444599180,10tDemoTimingTask4535-21chrt10:53:405
14848991810,6cyclictest16798-21cron09:50:003
1484799180,13cyclictest8575-21chrt11:30:442
1484799180,13cyclictest8483-21taskset11:13:392
1484799180,13cyclictest28962-21ssh11:42:162
1484799180,13cyclictest17188-21ssh12:29:412
1484799180,12cyclictest6484-21grep09:05:252
1483899180,14cyclictest8564-21sh10:55:240
1483899180,14cyclictest28307-21sh10:30:320
1483899180,10cyclictest9840-21sh10:20:260
1483899180,10cyclictest8127-21sh09:45:090
829099170,10tDemoTimingTask2881-21sleep09:29:555
587199170,10tDemoTimingTask5875-21chrt07:56:075
372639170,0EcMasterDemoSyn0-21swapper/512:04:365
3193799170,10tDemoTimingTask32681-21chrt08:55:015
1484799174,9cyclictest7175-21diskmemload11:23:572
1484799174,9cyclictest28236-21/usr/sbin/munin12:35:142
1484799174,10cyclictest17527-21sh10:42:532
1484799173,10cyclictest14581-21sh10:23:442
1484799171,13cyclictest780-21runrttasks11:05:302
1484799170,13cyclictest780-21runrttasks10:16:002
1484799170,13cyclictest4987-21ssh12:05:112
1484799170,13cyclictest12732-21diskmemload09:12:162
1484799170,13cyclictest12693-21ssh11:15:242
1484799170,13cyclictest12693-21ssh11:15:232
1484799170,13cyclictest12203-21sh11:50:332
1484799170,13cyclictest1127-21ssh09:40:322
1484799170,12cyclictest7484-21taskset10:55:152
1484799170,12cyclictest32685-21ssh10:33:342
1484799170,12cyclictest29829-21ssh12:18:552
1484799170,12cyclictest2706-21ssh10:35:042
1484799170,12cyclictest24276-21taskset12:33:172
1484799170,12cyclictest19355-21ntpq08:25:192
1484799170,12cyclictest13561-21basename10:05:162
1484799170,12cyclictest10065-21ssh09:28:352
1484799170,11cyclictest17316-21sh09:50:102
1484799170,10cyclictest24285-21ssh09:35:302
1484799170,10cyclictest24285-21ssh09:35:292
1484799170,10cyclictest22698-21runintdemo5min11:39:152
1483899175,9cyclictest11907-21sh10:05:000
1483899174,10cyclictest17939-21sh09:50:140
1483899170,9cyclictest2270-21sh09:41:200
1483899170,9cyclictest21296-21sh11:55:310
1483899170,9cyclictest14532-21sh09:13:300
1483899170,9cyclictest13609-21sh12:27:090
1483899170,7cyclictest31975-21ssh11:08:460
1483899170,14cyclictest17050-21sh11:00:160
1483899170,13cyclictest28237-21ssh10:48:570
1483899170,10cyclictest21941-21latency_hist07:25:000
885699160,9tDemoTimingTask10341-21taskset11:14:555
825329160,9tAtEmLog_08285-21taskset08:01:145
1757629160,6tAtEmLog_022874-21taskset12:32:175
1484999168,6cyclictest3635-21sed10:35:154
1484999166,8cyclictest27366-21/usr/sbin/munin09:55:174
1484999162,10cyclictest22021-21apt-get09:35:044
1484999162,10cyclictest22021-21apt-get09:35:034
1484999161,11cyclictest29630-21ssh12:18:464
1484899160,9cyclictest26929-21sh10:12:323
1484799167,8cyclictest30981-21timerwakeupswit07:40:232
1484799167,8cyclictest30981-21timerwakeupswit07:40:232
1484799165,9cyclictest21705-21tune2fs10:45:142
14847991613,2cyclictest1492-21turbostat07:54:552
1484799161,12cyclictest28817-21ssh09:55:382
1484799160,7cyclictest29685-21ssh12:00:192
1484799160,13cyclictest31818-21taskset08:50:332
1484799160,12cyclictest780-21runrttasks09:46:292
1484799160,12cyclictest25201-21ssh11:58:172
1484799160,12cyclictest16010-21ssh11:00:062
1484799160,11cyclictest30927-21ssh09:22:032
1484799160,10cyclictest21906-21seq10:10:092
1484799160,10cyclictest17455-21/usr/sbin/munin07:15:152
1484799160,10cyclictest15062-21seq09:30:442
1484399168,6cyclictest30495-21grep07:40:171
1484399168,6cyclictest30495-21grep07:40:171
1484399163,9cyclictest17225-21swap08:20:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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