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2026-05-04 - 20:54
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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 Mon May 04, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210382207157,24sleep30-21swapper/307:08:533
209592201162,26sleep10-21swapper/107:07:501
211142199161,24sleep00-21swapper/007:09:500
210422199159,25sleep20-21swapper/207:08:562
392521070,1sleep22123299cyclictest09:36:172
182912910,0sleep30-21swapper/310:40:103
230872730,0sleep10-21swapper/112:10:201
83822630,0sleep00-21swapper/007:48:220
21239991311,1cyclictest35-21ksoftirqd/308:15:003
21239991211,1cyclictest35-21ksoftirqd/312:05:003
21239991211,1cyclictest35-21ksoftirqd/312:05:003
21216991210,1cyclictest9-21ksoftirqd/009:35:150
21216991210,1cyclictest9-21ksoftirqd/009:15:120
2123999113,5cyclictest35-21ksoftirqd/312:30:193
21239991111,0cyclictest0-21swapper/309:33:213
21232991110,1cyclictest28-21ksoftirqd/211:10:002
2121699119,1cyclictest9-21ksoftirqd/012:30:000
2121699119,1cyclictest9-21ksoftirqd/009:40:140
2121699119,1cyclictest9-21ksoftirqd/007:45:000
21216991110,0cyclictest9-21ksoftirqd/009:00:140
2123999109,1cyclictest35-21ksoftirqd/309:15:003
2123999109,1cyclictest35-21ksoftirqd/308:20:003
2121699109,1cyclictest9-21ksoftirqd/011:45:120
2121699109,1cyclictest9-21ksoftirqd/010:10:130
2121699109,1cyclictest9-21ksoftirqd/009:30:140
2121699108,1cyclictest9-21ksoftirqd/010:20:130
2121699108,1cyclictest9-21ksoftirqd/009:25:120
28858290,0sleep10-21swapper/110:53:471
212399998,1cyclictest35-21ksoftirqd/311:10:123
212399998,1cyclictest22835-21sh10:01:273
212399990,5cyclictest561-21nscd12:15:123
212399990,3cyclictest2823-21apt-get11:45:113
212329997,1cyclictest28-21ksoftirqd/209:58:082
212329990,8cyclictest23571-21munin-node08:58:582
212169999,0cyclictest9-21ksoftirqd/011:35:000
212169999,0cyclictest9-21ksoftirqd/007:30:140
212169998,1cyclictest9-21ksoftirqd/012:35:180
212169998,1cyclictest9-21ksoftirqd/012:10:010
212169998,1cyclictest9-21ksoftirqd/011:05:160
212169998,1cyclictest9-21ksoftirqd/009:50:150
212169997,1cyclictest9-21ksoftirqd/011:40:000
212399988,0cyclictest35-21ksoftirqd/311:05:153
212399988,0cyclictest35-21ksoftirqd/309:35:013
212399987,1cyclictest35-21ksoftirqd/312:10:183
212399987,1cyclictest35-21ksoftirqd/311:30:183
212399987,1cyclictest35-21ksoftirqd/310:25:213
212399987,1cyclictest35-21ksoftirqd/309:25:123
212399986,1cyclictest6532-21cat09:40:153
212399986,1cyclictest35-21ksoftirqd/311:40:183
212399986,1cyclictest35-21ksoftirqd/310:15:143
212399986,1cyclictest35-21ksoftirqd/309:20:133
212399986,1cyclictest35-21ksoftirqd/309:20:133
212399986,1cyclictest35-21ksoftirqd/308:30:003
212399981,3cyclictest240-21systemd-journal10:58:573
212399980,8cyclictest27916-21sed10:10:003
212399980,4cyclictest9367-21apt-get09:45:123
212399980,3cyclictest341rcuc/307:40:143
212329987,1cyclictest28-21ksoftirqd/208:05:002
212329986,1cyclictest61650irq/122-eno111:55:002
212329986,1cyclictest61650irq/122-eno111:40:132
212329986,1cyclictest61650irq/122-eno110:50:122
212329986,1cyclictest28-21ksoftirqd/211:25:122
212329986,1cyclictest28-21ksoftirqd/208:55:002
212329986,1cyclictest28-21ksoftirqd/207:30:012
212329986,1cyclictest26805-21perf07:20:002
212249988,0cyclictest0-21swapper/110:01:511
212249980,5cyclictest0-21swapper/109:45:131
212169987,1cyclictest9-21ksoftirqd/012:20:120
212169987,1cyclictest9-21ksoftirqd/012:00:120
212169987,1cyclictest9-21ksoftirqd/012:00:120
212169987,1cyclictest9-21ksoftirqd/010:35:110
212169987,1cyclictest9-21ksoftirqd/010:05:150
212169987,1cyclictest9-21ksoftirqd/009:55:140
212169987,1cyclictest9-21ksoftirqd/008:40:000
212169987,1cyclictest9-21ksoftirqd/007:50:130
212169987,1cyclictest9-21ksoftirqd/007:15:000
212169987,1cyclictest24658-21ssh10:47:340
212169987,1cyclictest16681-21ssh09:12:320
212169985,3cyclictest9-21ksoftirqd/011:00:200
212169982,3cyclictest240-21systemd-journal08:03:380
212169981,4cyclictest26855-21sed07:20:000
212169980,7cyclictest10191-21hddtemp_smartct09:45:150
212169980,2cyclictest10322-21apt-get11:55:110
212169980,1cyclictest22024-21ssh11:25:280
212169980,1cyclictest13263-21ssh10:32:150
212399976,1cyclictest35-21ksoftirqd/311:55:133
212399976,1cyclictest35-21ksoftirqd/311:50:143
212399976,1cyclictest35-21ksoftirqd/310:50:163
212399976,1cyclictest35-21ksoftirqd/310:35:203
212399976,1cyclictest35-21ksoftirqd/310:30:133
212399976,1cyclictest35-21ksoftirqd/310:20:213
212399976,1cyclictest35-21ksoftirqd/309:55:123
212399976,1cyclictest35-21ksoftirqd/308:30:133
212399976,1cyclictest35-21ksoftirqd/307:55:133
212399975,1cyclictest35-21ksoftirqd/312:20:123
212399975,1cyclictest35-21ksoftirqd/311:35:213
212399975,1cyclictest35-21ksoftirqd/310:45:123
212399972,4cyclictest21416-21apt-get07:10:113
212399972,2cyclictest240-21systemd-journal08:09:233
212399971,5cyclictest13128-21apt-get09:50:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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