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2025-12-15 - 09:07
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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 rack5slot0.osadl.org (updated Mon Dec 15, 2025 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12046211135,46sleep30-21swapper/319:08:523
310122880,1sleep10-21swapper/122:10:241
1196028836,48sleep10-21swapper/119:07:461
104072870,2sleep30-21swapper/321:33:153
82152840,2sleep20-21swapper/220:51:472
55312840,2sleep10-21swapper/122:54:261
254782820,0sleep00-21swapper/020:47:080
158192780,0sleep00-21swapper/023:18:330
126682780,1sleep20-21swapper/221:54:372
238982760,1sleep30-21swapper/300:20:233
238982760,1sleep30-21swapper/300:20:233
273242750,2sleep10-21swapper/123:43:191
1185627231,11sleep20-21swapper/219:06:392
56892710,1sleep20-21swapper/222:23:112
110112710,1sleep30-21swapper/321:43:453
49562700,3sleep11239799cyclictest21:21:041
230002700,3sleep31239999cyclictest23:31:073
248552680,3sleep01239699cyclictest21:48:020
41832640,3sleep11239799cyclictest22:43:291
261422640,1sleep10-21swapper/121:58:491
1211925834,13sleep00-21swapper/019:09:450
25392460,2sleep10-21swapper/123:35:141
106842330,1sleep20-21swapper/222:14:372
251372300,2sleep20-21swapper/223:31:552
100042290,27sleep2137550irq/27-eth021:12:402
252122260,1sleep00-21swapper/023:00:230
36952220,2sleep33694-21bash21:00:213
1239899215,7cyclictest0-21swapper/220:30:322
1239899213,17cyclictest146450irq/28-eth1-rx-21:24:312
176772200,3sleep21239899cyclictest23:29:492
94252190,0sleep00-21swapper/021:22:390
12398991917,1cyclictest0-21swapper/223:12:002
313992180,2sleep30-21swapper/323:23:383
274422180,2sleep20-21swapper/221:18:122
1239999180,5cyclictest0-21swapper/320:10:463
1239899183,14cyclictest0-21swapper/220:43:552
1239699188,6cyclictest0-21swapper/021:30:400
1239999175,11cyclictest10850irq/23-ehci_hcd22:21:573
12399991713,3cyclictest10850irq/23-ehci_hcd20:22:243
1239999170,5cyclictest27129-21sshd22:09:313
1239899174,2cyclictest0-21swapper/222:57:312
1239899173,2cyclictest0-21swapper/200:36:502
1239899171,9cyclictest0-21swapper/219:30:152
12398991712,1cyclictest26615-21sshd20:57:352
1239899170,7cyclictest0-21swapper/220:48:402
1239799170,15cyclictest10850irq/23-ehci_hcd21:37:501
1239699177,9cyclictest0-21swapper/021:15:060
1239699173,10cyclictest20435-21kworker/0:223:37:520
1239699170,5cyclictest0-21swapper/020:35:550
1239699170,15cyclictest0-21swapper/021:39:120
1239699170,15cyclictest0-21swapper/000:05:150
1239699170,14cyclictest0-21swapper/023:51:560
30132160,2sleep20-21swapper/222:53:322
247452160,3sleep20-21swapper/220:16:572
1239999164,11cyclictest8899-21sshd21:22:283
1239999160,14cyclictest0-21swapper/320:56:223
1239999160,12cyclictest0-21swapper/322:56:413
1239899169,6cyclictest0-21swapper/220:22:412
1239899164,7cyclictest0-21swapper/221:04:242
1239899164,5cyclictest0-21swapper/220:26:032
1239899164,4cyclictest0-21swapper/223:09:392
1239899162,9cyclictest0-21swapper/223:00:592
1239899162,9cyclictest0-21swapper/219:20:162
1239899162,4cyclictest0-21swapper/223:42:542
1239899161,9cyclictest0-21swapper/222:38:522
12398991612,3cyclictest12597-21sshd23:17:242
1239899160,8cyclictest1884-21nfsd22:27:202
1239899160,14cyclictest25007-21bash21:37:472
1239899160,14cyclictest0-21swapper/200:09:152
1239799168,0cyclictest0-21swapper/100:05:561
1239799167,5cyclictest0-21swapper/122:18:561
12397991612,3cyclictest5302-21bash21:10:591
12397991612,1cyclictest23726-21sshd22:08:181
1239799160,7cyclictest0-21swapper/121:00:061
1239799160,4cyclictest22362-21sshd22:38:591
1239799160,4cyclictest11199-21sshd22:45:231
1239799160,14cyclictest0-21swapper/123:02:371
1239799160,14cyclictest0-21swapper/120:27:281
1239799160,12cyclictest5691-21sshd20:40:531
1239699168,4cyclictest0-21swapper/023:56:020
1239699168,4cyclictest0-21swapper/020:50:060
1239699166,9cyclictest0-21swapper/022:10:370
1239699161,14cyclictest0-21swapper/021:03:300
1239699161,13cyclictest0-21swapper/022:41:050
1239699160,4cyclictest0-21swapper/023:22:330
1239699160,2cyclictest12906-21bash22:56:270
1239699160,1cyclictest0-21swapper/022:50:060
1239699160,15cyclictest11543-21cp23:48:450
1239699160,15cyclictest0-21swapper/022:02:280
307382150,3sleep20-21swapper/223:55:022
230422150,13sleep2137550irq/27-eth020:36:172
192142151,12sleep1137550irq/27-eth023:30:131
1239999155,2cyclictest0-21swapper/323:18:443
1239999154,3cyclictest10850irq/23-ehci_hcd22:03:353
1239999154,10cyclictest31377-21bash21:29:493
1239999152,1cyclictest11937-21cp22:45:393
12399991513,1cyclictest0-21swapper/321:37:553
1239999150,14cyclictest0-21swapper/323:35:193
1239999150,14cyclictest0-21swapper/321:12:203
1239999150,14cyclictest0-21swapper/320:54:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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