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2026-01-03 - 10:26
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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 Sat Jan 03, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3234728817,40sleep30-21swapper/319:09:553
222432850,4sleep13259799cyclictest23:32:191
17562840,3sleep20-21swapper/222:24:042
159502840,2sleep10-21swapper/122:28:281
3213828234,44sleep10-21swapper/119:07:161
60692770,0sleep00-21swapper/000:19:420
105672770,4sleep03259499cyclictest22:36:490
78482730,1sleep32439-21runrttasks23:48:403
258792730,2sleep22439-21runrttasks23:44:062
286982700,4sleep23260399cyclictest22:32:222
107352690,0sleep00-21swapper/021:25:530
3031625035,11sleep20-21swapper/219:05:102
3229524235,4sleep00-21swapper/019:09:160
269332330,2sleep20-21swapper/221:40:522
23832290,3sleep20-21swapper/222:03:532
235212280,7sleep30-21swapper/300:14:523
212192270,2sleep32439-21runrttasks23:31:563
301392260,2sleep10-21swapper/122:32:531
259312260,2sleep10-21swapper/121:40:321
11372260,4sleep33260699cyclictest22:34:063
307492250,4sleep33260699cyclictest22:43:243
79502212,17sleep1137550irq/27-eth023:48:431
3260399207,11cyclictest7849-21munin-node21:55:162
169532200,18sleep1137550irq/27-eth019:45:181
3260699190,18cyclictest0-21swapper/320:34:373
3259499190,16cyclictest0-21swapper/022:33:070
45202180,3sleep23260399cyclictest23:47:262
3260699180,6cyclictest21808-21sshd21:39:443
32603991815,2cyclictest11054-21cp22:26:432
3259499180,9cyclictest0-21swapper/021:16:550
3259499180,17cyclictest1795-21bash23:36:000
3259499180,17cyclictest0-21swapper/000:00:380
3260399172,12cyclictest0-21swapper/223:14:182
3260399171,5cyclictest0-21swapper/223:05:502
3260399170,15cyclictest0-21swapper/221:53:372
3260399170,15cyclictest0-21swapper/200:21:402
3259799172,11cyclictest137550irq/27-eth000:37:091
3259499178,3cyclictest0-21swapper/022:20:000
3259499176,10cyclictest1119-21sshd22:54:460
3259499173,13cyclictest24873-21kworker/0:122:25:330
3259499172,9cyclictest0-21swapper/000:30:390
32594991710,6cyclictest12164-21kworker/0:200:26:090
3259499170,8cyclictest0-21swapper/020:25:160
3259499170,1cyclictest0-21swapper/021:56:540
3259499170,16cyclictest0-21swapper/022:17:160
3259499170,16cyclictest0-21swapper/022:13:350
3259499170,16cyclictest0-21swapper/021:24:270
3259499170,16cyclictest0-21swapper/019:45:250
3259499170,16cyclictest0-21swapper/019:23:380
318612170,0sleep00-21swapper/000:38:290
298122170,3sleep13259799cyclictest23:24:381
3260699168,3cyclictest0-21swapper/300:28:573
3260699160,7cyclictest0-21swapper/321:43:463
3260699160,14cyclictest0-21swapper/321:33:543
3260699160,14cyclictest0-21swapper/321:28:243
3260699160,14cyclictest0-21swapper/321:13:063
3260699160,12cyclictest10842-21sshd23:28:483
3260699160,12cyclictest10409-21sshd21:15:493
3260399169,2cyclictest0-21swapper/200:04:022
3260399167,7cyclictest15683-21sshd21:47:392
3260399163,9cyclictest0-21swapper/220:30:472
3260399162,4cyclictest0-21swapper/220:05:492
32603991614,1cyclictest0-21swapper/200:35:452
3260399160,7cyclictest0-21swapper/223:19:142
3260399160,5cyclictest0-21swapper/221:12:072
3260399160,5cyclictest0-21swapper/200:34:542
3259799163,1cyclictest13293-21sshd00:32:161
3259799160,14cyclictest22527-21sshd00:03:521
3259499168,7cyclictest0-21swapper/019:17:110
3259499167,8cyclictest0-21swapper/023:16:580
3259499167,8cyclictest0-21swapper/022:08:270
3259499167,4cyclictest0-21swapper/023:24:030
3259499166,8cyclictest0-21swapper/022:43:010
3259499165,6cyclictest0-21swapper/021:52:200
32594991612,2cyclictest1884-21nfsd23:47:450
3259499161,10cyclictest0-21swapper/022:02:230
3259499160,1cyclictest0-21swapper/023:55:140
3259499160,1cyclictest0-21swapper/023:01:460
3259499160,1cyclictest0-21swapper/022:55:030
3259499160,1cyclictest0-21swapper/021:42:470
3259499160,15cyclictest0-21swapper/021:32:520
3259499160,15cyclictest0-21swapper/000:13:140
3259499160,14cyclictest0-21swapper/020:14:310
287742160,14sleep1137550irq/27-eth021:51:381
276502160,2sleep22439-21runrttasks21:21:092
43802150,13sleep210850irq/23-ehci_hcd22:35:112
3260699157,4cyclictest6698-21sshd23:06:263
3260699156,4cyclictest12434-21sshd00:31:563
3260699152,5cyclictest146450irq/28-eth1-rx-22:56:083
32606991512,2cyclictest20838-21sshd22:09:473
32606991512,2cyclictest0-21swapper/321:49:283
32606991512,1cyclictest0-21swapper/323:43:393
3260699150,6cyclictest1927-21sshd23:57:013
3260699150,5cyclictest0-21swapper/320:36:233
3260699150,14cyclictest32032-21sshd21:52:463
3260699150,13cyclictest982-21sshd23:35:423
3260699150,13cyclictest0-21swapper/323:17:413
3260699150,13cyclictest0-21swapper/323:02:533
3260699150,13cyclictest0-21swapper/322:10:333
3260699150,13cyclictest0-21swapper/321:20:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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