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2026-04-15 - 05:25
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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 Wed Apr 15, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2529121260,2sleep30-21swapper/300:38:003
1800021260,3sleep01584099cyclictest21:26:420
412321190,5sleep11584599cyclictest00:28:211
253521180,1sleep30-21swapper/321:28:343
1560621170,4sleep11584599cyclictest23:38:401
15501210934,46sleep30-21swapper/319:08:483
13561210733,44sleep10-21swapper/119:05:101
184802940,2sleep318474-21sshd00:22:433
280882850,3sleep30-21swapper/323:43:473
270232850,0sleep00-21swapper/000:23:390
210452850,1sleep021043-21seq22:27:300
101282850,4sleep10-21swapper/122:22:261
58572810,1sleep00-21swapper/023:48:370
117062800,1sleep20-21swapper/222:26:282
312402780,1sleep231241-21bash23:00:142
151622780,0sleep00-21swapper/022:23:040
317332770,3sleep11584599cyclictest23:47:531
278362770,2sleep10-21swapper/122:28:151
95932750,2sleep10-21swapper/121:46:271
301382740,1sleep22024-21nfsd22:52:572
301382740,1sleep22024-21nfsd22:52:562
175182740,1sleep10-21swapper/123:42:241
106192740,2sleep20-21swapper/221:36:102
315202730,2sleep12512-21runrttasks21:12:411
134442730,4sleep21584999cyclictest00:11:312
79312720,2sleep30-21swapper/323:23:153
64772710,2sleep10-21swapper/122:14:241
144242710,4sleep21584999cyclictest21:57:462
134542700,2sleep313451-21sshd23:38:263
228392680,1sleep00-21swapper/021:47:540
143702670,3sleep31585599cyclictest00:08:113
1537625834,11sleep20-21swapper/219:07:122
1547324733,11sleep00-21swapper/019:08:250
17142430,1sleep01703-21sshd00:13:490
110882370,34sleep2144650irq/27-eth000:21:532
65072350,2sleep30-21swapper/323:15:223
227222280,1sleep00-21swapper/023:39:270
185242260,6sleep10-21swapper/122:01:341
1584599260,24cyclictest15747-21id23:20:121
41482250,2sleep20-21swapper/222:21:392
250952250,1sleep025096-21sshd22:52:230
250952250,1sleep025096-21sshd22:52:230
222762250,1sleep222278-21bash22:15:582
196032240,2sleep20-21swapper/221:11:222
160962240,3sleep20-21swapper/223:27:512
153662240,2sleep10-21swapper/122:33:521
13282240,2sleep30-21swapper/323:51:323
97672230,1sleep09759-21cp21:32:440
80902230,21sleep1144650irq/27-eth021:32:331
271792230,2sleep20-21swapper/221:44:592
210362230,2sleep221037-21sshd23:06:352
115592230,2sleep30-21swapper/321:57:273
39952220,19sleep1144650irq/27-eth023:04:461
284622220,2sleep20-21swapper/222:05:592
15840992213,8cyclictest3-21ksoftirqd/000:40:000
191872210,1sleep10-21swapper/121:58:181
16982210,1sleep30-21swapper/322:03:173
86172200,2sleep10-21swapper/100:07:341
239202200,1sleep00-21swapper/022:05:300
1584099200,15cyclictest0-21swapper/022:12:170
127672200,3sleep22023-21nfsd21:46:492
103462200,1sleep20-21swapper/223:56:412
1584099198,4cyclictest3-21ksoftirqd/022:55:220
1584099194,9cyclictest3-21ksoftirqd/022:41:060
1584099194,9cyclictest3-21ksoftirqd/022:41:050
1584099190,1cyclictest0-21swapper/023:52:160
1584099190,17cyclictest0-21swapper/022:37:320
1584099190,13cyclictest28078-21sshd22:31:420
314092183,13sleep1144650irq/27-eth000:38:531
287292180,1sleep128730-21sshd23:32:471
1584999183,13cyclictest10808-21sshd23:34:362
1584099188,3cyclictest0-21swapper/021:51:540
1584099185,9cyclictest3-21ksoftirqd/000:30:130
1584099185,7cyclictest3-21ksoftirqd/023:17:250
1584099184,1cyclictest3-21ksoftirqd/000:16:390
1584099183,3cyclictest3-21ksoftirqd/021:21:040
15840991811,1cyclictest3-21ksoftirqd/021:10:520
1584099180,4cyclictest32763-21id23:44:240
1584099180,16cyclictest0-21swapper/000:27:100
125292180,0sleep20-21swapper/223:19:492
320512170,15sleep1144650irq/27-eth023:11:121
277132170,15sleep3144650irq/27-eth022:42:213
277132170,15sleep3144650irq/27-eth022:42:213
176112170,15sleep1144650irq/27-eth023:53:351
1584999173,9cyclictest27481-21sshd22:42:182
1584999173,9cyclictest27481-21sshd22:42:182
1584999173,13cyclictest14172-21sshd21:29:502
1584599172,9cyclictest0-21swapper/121:54:311
1584599171,14cyclictest30593-21diskstats23:55:141
1584099178,3cyclictest31225-21bash21:35:040
1584099177,4cyclictest27377-21sshd21:16:000
1584099175,8cyclictest3-21ksoftirqd/023:11:120
1584099173,9cyclictest3-21ksoftirqd/023:00:210
1584099172,5cyclictest0-21swapper/019:20:170
15840991713,3cyclictest3-21ksoftirqd/023:55:150
15840991712,1cyclictest3-21ksoftirqd/000:00:160
15855991612,3cyclictest32507-21sshd21:52:233
1585599160,14cyclictest422-21jbd2/dm-0-822:50:103
1585599160,14cyclictest422-21jbd2/dm-0-822:50:093
1585599160,14cyclictest22329-21sshd23:46:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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