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2025-11-07 - 02:20
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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 Nov 07, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9202800,1sleep1921-21grep22:44:191
293222790,0sleep10-21swapper/122:35:301
695425625,27sleep60-21swapper/618:50:016
280402540,0sleep00-21swapper/021:10:240
44282490,0sleep20-21swapper/223:09:352
324552490,0sleep6763-21runrttasks23:54:566
285342480,0sleep20-21swapper/221:44:382
116022480,0sleep40-21swapper/423:36:444
917324633,9sleep40-21swapper/418:51:284
88262460,0sleep60-21swapper/622:42:086
289392460,0sleep40-21swapper/423:22:194
11392460,2sleep5954899cyclictest22:33:105
695324521,9sleep50-21swapper/518:50:005
25112440,0sleep70-21swapper/721:45:077
203912440,0sleep20-21swapper/221:22:592
11112440,1sleep61102-21rm21:00:136
932324321,8sleep10-21swapper/118:53:251
35662430,0sleep30-21swapper/322:41:413
302772430,0sleep20-21swapper/222:19:222
936124230,9sleep30-21swapper/318:53:593
43872420,0sleep61-21systemd21:29:366
325002420,0sleep10-21swapper/122:52:281
281312420,0sleep70-21swapper/700:14:447
272122420,1sleep341-21ksoftirqd/323:38:033
185002420,0sleep00-21swapper/000:02:110
127612420,1sleep312757-21bash22:01:293
930124129,9sleep20-21swapper/218:53:102
306792410,0sleep20-21swapper/200:24:002
275512410,0sleep70-21swapper/721:36:347
281752400,2sleep5954899cyclictest22:10:445
154622400,0sleep50-21swapper/522:18:045
929923927,8sleep00-21swapper/018:53:080
907623927,8sleep70-21swapper/718:50:187
241102390,0sleep40-21swapper/423:40:214
231002390,0sleep00-21swapper/023:05:250
199232390,0sleep10-21swapper/122:56:531
162672390,0sleep616255-21bash21:54:036
162672390,0sleep616255-21bash21:54:036
278262380,0sleep70-21swapper/723:22:147
20872380,0sleep70-21swapper/721:50:117
20872380,0sleep70-21swapper/721:50:117
250252360,0sleep50-21swapper/522:49:045
954899250,15cyclictest668-21systemd-logind23:42:405
955099209,5cyclictest0-21swapper/720:49:267
954999200,19cyclictest14758-21id22:48:096
9546992015,4cyclictest41-21ksoftirqd/323:10:453
9545992015,3cyclictest33-21ksoftirqd/223:27:032
955099199,9cyclictest1-21systemd22:41:217
955099198,5cyclictest0-21swapper/720:54:447
955099198,11cyclictest0-21swapper/722:15:317
955099198,0cyclictest0-21swapper/723:02:557
954899198,11cyclictest0-21swapper/522:24:155
954899198,11cyclictest0-21swapper/521:07:565
954899198,11cyclictest0-21swapper/521:07:565
954899190,16cyclictest17753-21cpuspeed_turbos20:05:075
9546991912,4cyclictest41-21ksoftirqd/321:15:163
179052190,0sleep60-21swapper/600:13:476
955099188,4cyclictest0-21swapper/722:07:037
955099187,5cyclictest0-21swapper/722:21:157
955099187,5cyclictest0-21swapper/721:19:507
955099187,5cyclictest0-21swapper/720:39:227
955099187,5cyclictest0-21swapper/700:07:297
955099187,0cyclictest0-21swapper/719:17:127
9550991814,0cyclictest0-21swapper/721:14:407
9550991813,0cyclictest0-21swapper/722:46:257
955099180,6cyclictest0-21swapper/719:35:047
954899187,11cyclictest0-21swapper/523:07:375
954899187,11cyclictest0-21swapper/521:03:085
954899187,0cyclictest0-21swapper/500:14:195
954899180,12cyclictest0-21swapper/521:09:565
9546991816,1cyclictest41-21ksoftirqd/323:29:543
9546991816,1cyclictest41-21ksoftirqd/320:58:583
9546991815,1cyclictest41-21ksoftirqd/322:31:393
9546991814,3cyclictest41-21ksoftirqd/322:05:173
9546991814,3cyclictest41-21ksoftirqd/300:01:263
9545991813,4cyclictest33-21ksoftirqd/221:53:482
9545991813,4cyclictest33-21ksoftirqd/221:53:482
954599180,3cyclictest33-21ksoftirqd/223:11:252
955099178,9cyclictest0-21swapper/723:29:217
955099177,5cyclictest0-21swapper/719:44:127
955099176,5cyclictest0-21swapper/723:45:297
955099176,5cyclictest0-21swapper/723:11:217
955099176,5cyclictest0-21swapper/722:58:597
955099176,5cyclictest0-21swapper/720:40:587
955099176,5cyclictest0-21swapper/720:17:087
955099176,5cyclictest0-21swapper/720:10:407
955099176,5cyclictest0-21swapper/720:02:027
955099176,5cyclictest0-21swapper/719:52:507
955099176,5cyclictest0-21swapper/719:45:187
955099176,5cyclictest0-21swapper/719:23:027
955099176,0cyclictest0-21swapper/720:32:247
9550991712,5cyclictest0-21swapper/719:08:427
954899177,6cyclictest0-21swapper/521:18:185
954899176,5cyclictest0-21swapper/523:56:375
954899176,5cyclictest0-21swapper/500:19:135
954699175,1cyclictest41-21ksoftirqd/321:30:193
9546991715,1cyclictest41-21ksoftirqd/323:51:523
9546991715,1cyclictest41-21ksoftirqd/323:47:493
9546991715,1cyclictest41-21ksoftirqd/322:10:553
9546991715,1cyclictest41-21ksoftirqd/321:36:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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