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2026-08-15 - 02:33
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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 Aug 15, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1458599156155,1cyclictest1844-21nfsd22:01:372
14593991220,121cyclictest26975-21kworker/3:422:01:373
14596999510,40cyclictest721-21dbus-daemon22:01:375
226952800,0sleep50-21swapper/521:35:255
134212800,2sleep30-21swapper/319:01:003
14597997847,0cyclictest0-21swapper/622:01:376
1433227062,5sleep00-21swapper/019:04:430
77112550,0sleep30-21swapper/323:46:273
57512540,0sleep30-21swapper/322:46:363
209902540,0sleep00-21swapper/023:27:170
230572520,0sleep40-21swapper/421:49:504
136442510,1sleep313629-21bash21:38:283
85082500,0sleep40-21swapper/423:50:124
32912490,0sleep30-21swapper/322:24:493
91852480,0sleep3401ktimersoftd/323:13:593
305652480,1sleep030556-21sshd22:46:090
283562480,1sleep628355-21grep23:54:556
184842480,0sleep00-21swapper/023:01:460
1193524824,9sleep10-21swapper/119:00:511
1409624724,8sleep60-21swapper/619:01:286
289672460,0sleep70-21swapper/722:38:557
263872460,0sleep30-21swapper/321:08:163
244042460,0sleep624400-21sshd22:20:366
244042460,0sleep624400-21sshd22:20:366
222642450,0sleep00-21swapper/023:36:220
14570994426,1cyclictest9203-21sshd22:01:370
96292430,1sleep49609-21sshd23:37:304
45712430,0sleep20-21swapper/221:52:202
33322430,1sleep7721ktimersoftd/721:50:337
33182430,0sleep00-21swapper/000:29:410
312552430,0sleep0111rcuc/022:15:330
213802430,1sleep321382-21grepconf.sh23:18:153
192832430,0sleep20-21swapper/221:44:112
6042420,0sleep00-21swapper/022:33:430
262012420,0sleep70-21swapper/722:35:107
153322420,0sleep00-21swapper/021:51:060
309782410,0sleep20-21swapper/219:31:022
27112410,0sleep60-21swapper/622:13:556
40892400,0sleep64088-21sshd23:48:066
290162400,0sleep30-21swapper/300:05:493
234262400,0sleep40-21swapper/421:51:344
184902400,0sleep10-21swapper/121:42:181
129182400,0sleep50-21swapper/523:25:065
122812400,0sleep30-21swapper/322:43:233
112362400,1sleep5758-21runrttasks21:22:045
100292400,0sleep40-21swapper/421:41:494
1421423927,8sleep70-21swapper/719:03:067
1417423925,10sleep40-21swapper/419:02:314
1408223926,9sleep50-21swapper/519:01:195
76592380,0sleep00-21swapper/021:48:580
51882380,0sleep10-21swapper/122:46:341
289952380,0sleep50-21swapper/523:20:345
1407923826,9sleep20-21swapper/219:01:162
119882380,0sleep4481ktimersoftd/422:54:134
157312370,0sleep50-21swapper/522:27:155
1459899367,14cyclictest0-21swapper/722:01:377
14578993535,0cyclictest26817-21kworker/1:522:01:371
1459599229,1cyclictest49-21ksoftirqd/422:58:594
1459599212,3cyclictest49-21ksoftirqd/423:56:404
1459599212,3cyclictest49-21ksoftirqd/423:56:404
1459599209,1cyclictest49-21ksoftirqd/421:12:004
1459599209,1cyclictest49-21ksoftirqd/421:12:004
14595992019,1cyclictest25534-21kworker/4:122:01:374
14595992017,1cyclictest49-21ksoftirqd/422:40:034
14595992016,3cyclictest49-21ksoftirqd/421:25:044
14595992016,1cyclictest49-21ksoftirqd/422:21:244
162762190,0sleep50-21swapper/500:14:085
1459599199,2cyclictest49-21ksoftirqd/400:27:294
1459599197,1cyclictest49-21ksoftirqd/400:18:234
1459599196,3cyclictest49-21ksoftirqd/400:24:314
1459599195,3cyclictest49-21ksoftirqd/423:31:514
1459599195,1cyclictest49-21ksoftirqd/421:26:284
1459599192,3cyclictest49-21ksoftirqd/421:36:324
1459599192,3cyclictest49-21ksoftirqd/400:08:404
1459599191,3cyclictest49-21ksoftirqd/423:26:394
14593991914,4cyclictest41-21ksoftirqd/321:29:323
14598991814,3cyclictest859-21gdbus21:22:077
1459599186,3cyclictest49-21ksoftirqd/422:06:504
1459599185,3cyclictest49-21ksoftirqd/423:05:554
1459599185,1cyclictest49-21ksoftirqd/400:15:124
1459599184,4cyclictest49-21ksoftirqd/423:41:064
14595991816,0cyclictest49-21ksoftirqd/421:34:174
14595991815,2cyclictest49-21ksoftirqd/423:18:204
14595991814,3cyclictest49-21ksoftirqd/421:57:314
14595991814,1cyclictest49-21ksoftirqd/422:35:044
14595991813,3cyclictest49-21ksoftirqd/422:29:324
1458599180,6cyclictest22677-21kworker/2:221:56:062
1458599180,17cyclictest7559-21kworker/2:323:11:082
115452180,0sleep60-21swapper/621:58:096
9342170,0sleep20-21swapper/223:00:522
1459599176,1cyclictest49-21ksoftirqd/422:16:494
1459599176,1cyclictest49-21ksoftirqd/422:16:494
1459599174,1cyclictest49-21ksoftirqd/422:40:524
1459599172,3cyclictest49-21ksoftirqd/400:03:404
14595991715,1cyclictest49-21ksoftirqd/423:04:394
14595991715,1cyclictest11020-21cp23:52:044
14595991714,1cyclictest49-21ksoftirqd/422:12:214
14595991714,1cyclictest49-21ksoftirqd/400:31:424
14595991712,3cyclictest49-21ksoftirqd/422:47:234
1459599171,2cyclictest49-21ksoftirqd/421:06:044
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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