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2026-05-29 - 19:11
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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 rack1slot1.osadl.org (updated Fri May 29, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40012213152,22sleep30-21swapper/307:09:283
37902210177,21sleep00-21swapper/007:06:440
39132209171,25sleep20-21swapper/207:08:202
38062198159,26sleep10-21swapper/107:06:581
65921070,0sleep20-21swapper/210:58:322
412799246,18cyclictest0-21swapper/009:32:560
413599180,18cyclictest0-21swapper/109:32:561
91292160,1sleep013794-21diskmemload11:10:110
4127991616,0cyclictest9-21ksoftirqd/011:05:400
4144991514,1cyclictest689-21decode-dimms09:32:552
4127991515,0cyclictest9-21ksoftirqd/012:30:500
4127991515,0cyclictest9-21ksoftirqd/009:58:080
412799145,8cyclictest9-21ksoftirqd/011:17:290
4127991414,0cyclictest9-21ksoftirqd/011:56:160
4127991414,0cyclictest9-21ksoftirqd/011:26:110
4127991414,0cyclictest9-21ksoftirqd/010:28:320
4127991414,0cyclictest9-21ksoftirqd/010:09:430
4127991414,0cyclictest9-21ksoftirqd/009:24:020
4127991412,2cyclictest9-21ksoftirqd/010:37:260
4152991312,1cyclictest689-21decode-dimms09:32:563
414499130,3cyclictest3104-21sh11:00:212
412799138,4cyclictest9-21ksoftirqd/011:00:400
412799137,6cyclictest9-21ksoftirqd/010:51:560
412799137,5cyclictest9-21ksoftirqd/009:25:060
412799136,7cyclictest9-21ksoftirqd/009:12:190
4127991313,0cyclictest9-21ksoftirqd/012:37:190
4127991313,0cyclictest9-21ksoftirqd/012:37:180
4127991313,0cyclictest9-21ksoftirqd/012:27:240
414499125,0cyclictest61650irq/122-eno110:05:452
414499121,2cyclictest22371-21gltestperf10:00:142
414499121,1cyclictest30319-21ntp_states10:10:192
414499120,3cyclictest13794-21diskmemload11:29:532
412799123,4cyclictest27896-21latency_hist08:20:010
4127991212,0cyclictest9-21ksoftirqd/012:16:100
4127991212,0cyclictest9-21ksoftirqd/012:09:260
4127991212,0cyclictest9-21ksoftirqd/011:44:200
4127991211,1cyclictest9-21ksoftirqd/012:01:480
414499116,4cyclictest1029-21snmpd08:40:092
414499115,1cyclictest12591-21ssh09:46:192
414499114,1cyclictest61650irq/122-eno112:20:192
414499114,1cyclictest0-21swapper/211:50:152
414499113,2cyclictest26195-21idleruntime-cro10:50:012
414499110,2cyclictest240-21systemd-journal12:00:002
414499110,2cyclictest240-21systemd-journal07:55:002
414499110,2cyclictest240-21systemd-journal07:30:012
414499110,1cyclictest0-21swapper/209:21:372
4127991111,0cyclictest9-21ksoftirqd/012:10:170
4127991111,0cyclictest9-21ksoftirqd/011:50:140
4127991111,0cyclictest9-21ksoftirqd/010:33:180
4127991111,0cyclictest9-21ksoftirqd/010:00:100
4127991111,0cyclictest9-21ksoftirqd/009:43:560
4127991111,0cyclictest9-21ksoftirqd/008:25:140
4127991110,1cyclictest9-21ksoftirqd/011:20:110
4127991110,0cyclictest9-21ksoftirqd/010:45:200
414499108,1cyclictest28-21ksoftirqd/207:40:002
414499104,1cyclictest61650irq/122-eno109:05:132
414499103,1cyclictest20665-21timerwakeupswit10:40:202
414499103,1cyclictest11540-21date10:30:002
414499102,1cyclictest28192-21cut11:35:132
414499100,2cyclictest240-21systemd-journal12:36:472
414499100,2cyclictest240-21systemd-journal12:36:462
414499100,1cyclictest2221-21/usr/sbin/munin08:45:142
412799108,1cyclictest9-21ksoftirqd/007:45:000
412799107,2cyclictest0-21swapper/008:00:200
412799106,3cyclictest28842-21apt-get12:20:110
412799105,5cyclictest9-21ksoftirqd/007:30:170
412799103,7cyclictest9-21ksoftirqd/009:15:390
412799102,8cyclictest9-21ksoftirqd/008:36:030
4127991010,0cyclictest9-21ksoftirqd/011:49:080
4127991010,0cyclictest9-21ksoftirqd/010:55:190
4127991010,0cyclictest9-21ksoftirqd/010:40:190
4127991010,0cyclictest9-21ksoftirqd/010:21:150
4127991010,0cyclictest9-21ksoftirqd/010:14:300
4127991010,0cyclictest9-21ksoftirqd/009:45:010
4127991010,0cyclictest9-21ksoftirqd/009:35:120
412799101,8cyclictest9-21ksoftirqd/007:20:140
41529998,1cyclictest35-21ksoftirqd/312:30:013
41529992,4cyclictest548-21systemd-logind12:18:593
41529990,5cyclictest7889-21apt-get10:25:123
41529990,5cyclictest13794-21diskmemload11:40:173
41449998,1cyclictest28-21ksoftirqd/211:49:012
41449996,3cyclictest61650irq/122-eno111:11:332
41449995,3cyclictest61650irq/122-eno112:29:422
41449995,0cyclictest61650irq/122-eno109:50:172
41449994,1cyclictest1029-21snmpd10:51:062
41449993,0cyclictest61650irq/122-eno112:32:592
41449990,7cyclictest6499-21munin-node10:16:402
41449990,4cyclictest0-21swapper/211:05:182
41449990,1cyclictest240-21systemd-journal12:19:012
41449990,1cyclictest16197-21if_eno110:35:152
41359990,8cyclictest0-21swapper/112:21:371
41359990,1cyclictest0-21swapper/112:05:101
41279999,0cyclictest9-21ksoftirqd/011:37:020
41279997,1cyclictest9-21ksoftirqd/007:50:070
41279996,3cyclictest9-21ksoftirqd/011:30:150
41279996,2cyclictest0-21swapper/010:15:200
41279993,6cyclictest9-21ksoftirqd/007:38:510
41279992,7cyclictest9-21ksoftirqd/008:53:480
41279992,4cyclictest0-21swapper/009:53:040
41279991,8cyclictest9-21ksoftirqd/007:29:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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