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2026-04-04 - 07:09
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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 Sat Apr 04, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46742750,2sleep42853599cyclictest23:18:354
81322710,0sleep40-21swapper/423:11:224
221502530,0sleep122147-21sshd21:46:451
286252500,1sleep328600-21sshd21:34:143
56422490,1sleep1723-21in:imjournal00:31:201
2823624925,8sleep20-21swapper/219:04:322
2822224925,9sleep10-21swapper/119:04:231
2802324926,8sleep00-21swapper/019:01:410
150092490,2sleep42853599cyclictest21:42:404
79622480,1sleep07952-21sshd23:39:130
188892480,1sleep218873-21sshd21:15:152
134652480,0sleep40-21swapper/400:27:554
267142470,0sleep226715-21bash22:03:442
150142470,1sleep315016-21grep22:04:573
118302470,0sleep20-21swapper/223:28:182
215422460,0sleep10-21swapper/122:42:201
194302440,0sleep00-21swapper/023:45:300
194302440,0sleep00-21swapper/023:45:300
94792430,0sleep40-21swapper/422:58:244
56082430,0sleep70-21swapper/723:44:417
56082430,0sleep70-21swapper/723:44:417
235772430,0sleep70-21swapper/700:15:327
223232430,1sleep422306-21rm22:31:174
100862420,0sleep40-21swapper/423:59:514
8062410,0sleep30-21swapper/321:51:123
325652410,0sleep00-21swapper/000:23:260
289272410,1sleep128922-21sshd22:27:541
2828324128,9sleep40-21swapper/419:05:144
269392410,0sleep60-21swapper/623:16:126
182912410,0sleep70-21swapper/721:07:197
95932400,0sleep40-21swapper/422:08:194
34932400,0sleep50-21swapper/522:50:405
284332400,0sleep5551rcuc/522:26:065
2814224027,9sleep60-21swapper/619:03:156
2804524027,9sleep30-21swapper/319:02:003
224672400,0sleep50-21swapper/500:17:145
145472400,0sleep70-21swapper/722:03:017
2827523927,9sleep50-21swapper/519:05:075
2806623926,9sleep70-21swapper/719:02:127
252772390,0sleep10-21swapper/100:00:441
175712390,0sleep40-21swapper/423:47:104
32532380,0sleep40-21swapper/421:34:394
278912380,0sleep70-21swapper/722:48:187
138892380,0sleep00-21swapper/021:24:100
118492380,0sleep10-21swapper/122:49:161
155572370,2sleep32852999cyclictest23:13:373
150912370,1sleep449-21ksoftirqd/421:50:094
110642370,0sleep30-21swapper/323:18:583
189602360,0sleep5551rcuc/500:02:095
24302350,0sleep30-21swapper/321:45:433
173792350,0sleep30-21swapper/321:57:373
143922350,2sleep72854099cyclictest23:39:367
28535992913,3cyclictest49-21ksoftirqd/422:22:214
174202280,0sleep20-21swapper/221:46:302
28535992410,1cyclictest49-21ksoftirqd/422:02:294
28535992218,1cyclictest49-21ksoftirqd/423:54:554
213202220,0sleep70-21swapper/723:01:007
2853899218,12cyclictest26775-21sshd21:21:135
2853899214,0cyclictest0-21swapper/520:22:115
28535992117,3cyclictest49-21ksoftirqd/421:07:224
28535992117,1cyclictest49-21ksoftirqd/421:24:454
28535992115,3cyclictest49-21ksoftirqd/400:13:294
28535992114,4cyclictest49-21ksoftirqd/422:49:064
28535992110,1cyclictest49-21ksoftirqd/422:18:504
2850899214,0cyclictest0-21swapper/023:09:310
34342200,0sleep30-21swapper/322:56:153
2853899208,6cyclictest0-21swapper/522:34:455
2853899202,12cyclictest0-21swapper/521:47:475
2853599205,3cyclictest49-21ksoftirqd/422:44:504
28535992016,3cyclictest49-21ksoftirqd/421:52:024
28517992014,3cyclictest25-21ksoftirqd/123:01:241
2850899207,6cyclictest0-21swapper/022:20:130
2850899202,6cyclictest0-21swapper/020:17:010
2850899202,6cyclictest0-21swapper/020:17:010
28508992017,1cyclictest8560-21bash21:10:590
28508992012,7cyclictest2267-21kworker/0:322:59:070
218282200,0sleep7711rcuc/700:07:557
2853899198,5cyclictest0-21swapper/520:48:575
2853899198,5cyclictest0-21swapper/519:46:285
2853899198,5cyclictest0-21swapper/519:32:345
2853899198,0cyclictest0-21swapper/523:32:115
2853899198,0cyclictest0-21swapper/523:15:055
2853899198,0cyclictest0-21swapper/521:51:335
2853899198,0cyclictest0-21swapper/520:54:455
2853899198,0cyclictest0-21swapper/519:39:585
2853899198,0cyclictest0-21swapper/519:07:025
2853899198,0cyclictest0-21swapper/519:07:025
2853899197,12cyclictest0-21swapper/522:54:375
2853599197,4cyclictest49-21ksoftirqd/423:23:434
2853599195,3cyclictest49-21ksoftirqd/422:38:554
2853599194,3cyclictest49-21ksoftirqd/423:37:134
28535991917,1cyclictest49-21ksoftirqd/400:18:174
28535991916,3cyclictest49-21ksoftirqd/400:31:534
28535991914,3cyclictest49-21ksoftirqd/423:42:024
28535991914,3cyclictest49-21ksoftirqd/423:42:024
28535991914,3cyclictest49-21ksoftirqd/422:14:084
2853599190,18cyclictest2737-21kworker/4:523:33:214
28529991917,1cyclictest41-21ksoftirqd/323:22:343
28529991916,1cyclictest41-21ksoftirqd/321:38:553
28529991914,3cyclictest41-21ksoftirqd/321:12:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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