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2025-12-13 - 00:47
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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 Fri Dec 12, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2610821180,2sleep32155799cyclictest21:48:283
2610821180,2sleep32155799cyclictest21:48:283
295402760,0sleep30-21swapper/321:43:073
199862610,1sleep2763-21runrttasks18:48:572
199862610,1sleep2763-21runrttasks18:48:572
49612560,0sleep70-21swapper/721:01:237
49612560,0sleep70-21swapper/721:01:237
146612520,0sleep6631rcuc/622:07:216
2115025126,8sleep40-21swapper/418:50:284
2115025126,8sleep40-21swapper/418:50:284
2124225027,9sleep50-21swapper/518:51:425
2124225027,9sleep50-21swapper/518:51:425
171212490,0sleep50-21swapper/521:22:115
2119724722,9sleep70-21swapper/718:51:047
2119724722,9sleep70-21swapper/718:51:047
102452470,0sleep10-21swapper/121:18:471
82892460,0sleep00-21swapper/022:03:550
300972460,0sleep60-21swapper/622:50:466
290922440,0sleep50-21swapper/521:40:055
65592430,1sleep341-21ksoftirqd/323:28:073
57142430,1sleep75716-21latency_hist22:23:407
240642430,1sleep09-21ksoftirqd/000:03:280
2121724331,8sleep00-21swapper/018:51:210
2121724331,8sleep00-21swapper/018:51:210
18632430,1sleep233-21ksoftirqd/221:40:342
263772420,0sleep60-21swapper/600:06:386
233412420,0sleep40-21swapper/400:03:244
265812410,0sleep4471rcuc/421:34:114
162442410,0sleep10-21swapper/100:11:301
145872410,0sleep40-21swapper/421:47:254
145872410,0sleep40-21swapper/421:47:254
10702410,0sleep70-21swapper/723:41:167
2115224028,8sleep60-21swapper/618:50:306
2115224028,8sleep60-21swapper/618:50:306
2105024028,9sleep30-21swapper/318:49:073
2105024028,9sleep30-21swapper/318:49:073
182282400,0sleep70-21swapper/723:37:167
137622400,0sleep60-21swapper/621:02:106
137622400,0sleep60-21swapper/621:02:106
10342400,0sleep40-21swapper/423:13:344
236532390,0sleep50-21swapper/522:05:125
176462390,0sleep7711rcuc/722:58:167
202172380,0sleep10-21swapper/123:34:381
246112370,0sleep00-21swapper/018:58:400
2106623725,9sleep10-21swapper/118:49:211
2106623725,9sleep10-21swapper/118:49:211
243992360,0sleep50-21swapper/522:16:415
2157999210,6cyclictest711-21dbus-daemon23:48:317
2154599210,20cyclictest15613-21kworker/1:022:41:271
2157999200,8cyclictest711-21dbus-daemon21:08:097
2156699202,0cyclictest0-21swapper/519:22:315
2156399209,1cyclictest49-21ksoftirqd/422:41:484
2154599202,17cyclictest4524-21bash22:09:131
267132190,0sleep40-21swapper/400:03:404
222902190,0sleep00-21swapper/023:48:380
2157999193,6cyclictest18528-21bash22:33:027
2157999190,9cyclictest21889-21id23:54:057
2157999190,9cyclictest0-21swapper/722:36:367
2157999190,8cyclictest16511-21sshd23:20:247
2157999190,10cyclictest10495-21bash21:15:527
2156699198,5cyclictest0-21swapper/523:41:555
2156699198,5cyclictest0-21swapper/523:30:355
2156699198,5cyclictest0-21swapper/520:54:395
2156699198,5cyclictest0-21swapper/520:54:395
2156699198,5cyclictest0-21swapper/519:43:115
2156699198,5cyclictest0-21swapper/519:27:175
2156699198,0cyclictest0-21swapper/520:20:195
2156699198,0cyclictest0-21swapper/519:33:235
2156699198,0cyclictest0-21swapper/519:17:435
2156699198,0cyclictest0-21swapper/518:59:075
2157999181,8cyclictest14260-21sshd21:36:007
2157999181,6cyclictest29570-21grepconf.sh21:40:077
2157999180,9cyclictest2060-21sshd22:39:467
2157999180,8cyclictest25675-21sshd00:03:377
2157999180,8cyclictest22861-21sshd23:04:067
2157999180,7cyclictest9704-21sshd22:12:387
2157999180,7cyclictest861-21gdbus23:12:287
2157999180,7cyclictest27348-21sshd22:50:297
2157999180,10cyclictest32493-21grepconf.sh23:30:117
2157999180,10cyclictest1808-21bash22:14:387
2156699181,8cyclictest10651-21sshd22:51:595
2156699180,0cyclictest0-21swapper/519:52:475
2156399187,1cyclictest49-21ksoftirqd/422:28:314
2156399185,3cyclictest49-21ksoftirqd/400:19:014
21563991814,3cyclictest49-21ksoftirqd/421:17:424
2156399180,18cyclictest22267-21kworker/4:022:15:054
2157999170,9cyclictest14783-21grepconf.sh22:04:257
2157999170,9cyclictest0-21swapper/721:09:417
2157999170,8cyclictest15446-21bash22:46:427
2157999170,7cyclictest28754-21bash00:12:407
2157999170,7cyclictest17161-21grepconf.sh20:56:177
2157999170,7cyclictest17161-21grepconf.sh20:56:177
2157999170,7cyclictest0-21swapper/700:18:107
2157999170,5cyclictest0-21swapper/721:44:057
2157999170,5cyclictest0-21swapper/721:44:057
2157999170,0cyclictest0-21swapper/721:53:357
2157299170,16cyclictest711-21dbus-daemon23:56:286
2156699176,5cyclictest0-21swapper/523:44:235
2156699176,5cyclictest0-21swapper/523:20:395
2156699176,5cyclictest0-21swapper/523:07:175
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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