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2026-06-27 - 16:06
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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 Sat Jun 27, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
183772236162,60sleep20-21swapper/207:08:472
183462214152,49sleep30-21swapper/307:08:243
183662205166,25sleep10-21swapper/107:08:381
184102198160,24sleep00-21swapper/007:09:130
138962680,0sleep10-21swapper/109:12:401
198692600,0sleep10-21swapper/110:49:131
18584991616,0cyclictest28-21ksoftirqd/211:14:482
229312150,0sleep20-21swapper/211:35:522
229312150,0sleep20-21swapper/211:35:522
18584991412,1cyclictest28-21ksoftirqd/212:15:162
18584991313,0cyclictest28-21ksoftirqd/211:45:212
18584991312,1cyclictest28-21ksoftirqd/212:35:432
18584991312,1cyclictest28-21ksoftirqd/212:15:002
18584991312,1cyclictest28-21ksoftirqd/209:15:172
18584991311,1cyclictest27339-21/usr/sbin/munin08:35:222
1856499130,12cyclictest11207-21diskmemload11:00:120
18595991211,1cyclictest35-21ksoftirqd/310:10:003
18595991211,1cyclictest1406-21munin-node07:15:003
1858499129,3cyclictest28-21ksoftirqd/209:25:192
1858499126,5cyclictest31467-21kworker/2:211:42:132
18584991211,1cyclictest28-21ksoftirqd/208:05:142
18584991211,1cyclictest28-21ksoftirqd/207:55:002
18564991210,1cyclictest9-21ksoftirqd/008:50:000
18564991210,1cyclictest9-21ksoftirqd/007:25:000
1859599119,1cyclictest35-21ksoftirqd/307:30:003
18584991110,1cyclictest28-21ksoftirqd/212:25:122
18584991110,1cyclictest28-21ksoftirqd/210:50:152
18584991110,1cyclictest28-21ksoftirqd/209:40:152
1858499111,7cyclictest17515-21kworker/u8:112:09:152
1858499110,11cyclictest28-21ksoftirqd/210:35:002
1858499110,11cyclictest0-21swapper/210:08:272
18564991110,1cyclictest9-21ksoftirqd/012:20:140
18564991110,1cyclictest9-21ksoftirqd/010:40:140
1859599109,1cyclictest35-21ksoftirqd/311:50:003
1859599109,1cyclictest35-21ksoftirqd/310:25:003
1858499109,1cyclictest28-21ksoftirqd/211:21:112
1858499109,1cyclictest28-21ksoftirqd/210:22:002
1858499109,1cyclictest28-21ksoftirqd/210:10:142
1858499109,1cyclictest28-21ksoftirqd/209:39:462
1858499109,1cyclictest28-21ksoftirqd/209:10:192
1858499109,1cyclictest28-21ksoftirqd/207:15:002
1858499108,1cyclictest28-21ksoftirqd/208:40:182
1858499108,1cyclictest14437-21pmu-power10:40:182
1858499103,6cyclictest17515-21kworker/u8:111:50:132
18584991010,0cyclictest28-21ksoftirqd/212:22:012
18584991010,0cyclictest28-21ksoftirqd/210:48:232
18584991010,0cyclictest28-21ksoftirqd/210:00:132
18584991010,0cyclictest28-21ksoftirqd/209:45:152
1858499100,9cyclictest20910-21munin-node07:31:382
1858499100,5cyclictest0-21swapper/208:25:122
1856499109,1cyclictest9-21ksoftirqd/011:25:170
1856499109,1cyclictest9-21ksoftirqd/007:20:000
18564991010,0cyclictest9-21ksoftirqd/011:10:000
18564991010,0cyclictest9-21ksoftirqd/010:55:130
1856499101,1cyclictest240-21systemd-journal08:20:000
185959999,0cyclictest35-21ksoftirqd/308:40:003
185959999,0cyclictest0-21swapper/311:35:053
185959999,0cyclictest0-21swapper/311:35:053
185959998,1cyclictest35-21ksoftirqd/311:35:003
185959990,8cyclictest22405-1kworker/u9:110:11:323
185849999,0cyclictest28-21ksoftirqd/209:30:032
185849999,0cyclictest28-21ksoftirqd/209:20:122
185849999,0cyclictest28-21ksoftirqd/208:45:182
185849998,1cyclictest28-21ksoftirqd/211:57:122
185849998,1cyclictest28-21ksoftirqd/211:25:182
185849998,1cyclictest28-21ksoftirqd/211:01:152
185849998,1cyclictest28-21ksoftirqd/210:15:162
185849998,1cyclictest28-21ksoftirqd/208:50:202
185849998,1cyclictest28-21ksoftirqd/208:10:142
185849998,1cyclictest28-21ksoftirqd/207:35:142
185849998,1cyclictest28-21ksoftirqd/207:20:182
185849997,1cyclictest61650irq/122-eno109:00:142
185849997,1cyclictest28-21ksoftirqd/209:05:142
185849997,1cyclictest28-21ksoftirqd/208:25:012
185849997,1cyclictest28-21ksoftirqd/207:55:172
185849997,1cyclictest28-21ksoftirqd/207:25:152
185649999,0cyclictest9-21ksoftirqd/012:15:150
185649998,1cyclictest9-21ksoftirqd/012:30:200
185649998,1cyclictest9-21ksoftirqd/012:05:140
185649998,1cyclictest9-21ksoftirqd/011:57:160
185649998,1cyclictest9-21ksoftirqd/010:50:140
185649998,1cyclictest9-21ksoftirqd/010:25:170
185649998,1cyclictest9-21ksoftirqd/010:05:000
185649998,1cyclictest9-21ksoftirqd/009:40:140
185649998,1cyclictest9-21ksoftirqd/009:00:130
185649998,1cyclictest9-21ksoftirqd/008:40:010
185649990,8cyclictest20881-21hddtemp_smartct10:05:150
185649990,4cyclictest22431-21sort08:25:000
185959988,0cyclictest35-21ksoftirqd/307:20:003
185959987,1cyclictest35-21ksoftirqd/312:20:003
185959987,1cyclictest35-21ksoftirqd/310:50:003
185959987,1cyclictest35-21ksoftirqd/310:30:013
185959987,1cyclictest35-21ksoftirqd/309:45:003
185959987,1cyclictest35-21ksoftirqd/308:30:003
185959987,0cyclictest35-21ksoftirqd/309:35:013
185959986,1cyclictest35-21ksoftirqd/311:30:003
185959986,1cyclictest35-21ksoftirqd/311:25:003
185959986,1cyclictest35-21ksoftirqd/307:25:003
185959985,1cyclictest240-21systemd-journal11:59:593
185959980,4cyclictest17000-21taskset09:15:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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