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2026-06-28 - 05:35
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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 Sun Jun 28, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77032213139,58sleep00-21swapper/019:06:560
77042211157,24sleep10-21swapper/119:06:581
77362207155,26sleep30-21swapper/319:07:233
77872198158,26sleep20-21swapper/219:08:032
230182630,1sleep021983-21/usr/sbin/munin20:45:170
118102160,1sleep01113-21diskmemload23:35:190
226562150,0sleep10-21swapper/123:50:171
803199130,0cyclictest0-21swapper/119:47:501
803199130,0cyclictest0-21swapper/100:38:551
8038991210,1cyclictest28-21ksoftirqd/220:40:002
803199120,0cyclictest0-21swapper/119:36:391
803199115,5cyclictest0-21swapper/121:50:431
8031991111,0cyclictest21-21ksoftirqd/122:10:541
803199110,6cyclictest21-21ksoftirqd/121:34:541
803199110,3cyclictest21-21ksoftirqd/120:15:181
802599119,1cyclictest9-21ksoftirqd/022:45:010
802599119,1cyclictest9-21ksoftirqd/021:20:010
167842110,0sleep20-21swapper/223:42:342
8038991010,0cyclictest61650irq/122-eno100:39:012
803899100,1cyclictest0-21swapper/219:30:122
803199109,1cyclictest21-21ksoftirqd/100:25:201
803199106,1cyclictest111rcu_preempt19:25:011
803199100,9cyclictest21-21ksoftirqd/120:30:131
803199100,9cyclictest21-21ksoftirqd/119:10:191
802599109,1cyclictest9-21ksoftirqd/023:29:590
802599109,1cyclictest9-21ksoftirqd/000:10:160
802599109,1cyclictest9-21ksoftirqd/000:05:000
802599108,1cyclictest9-21ksoftirqd/023:25:000
802599108,1cyclictest9-21ksoftirqd/019:15:010
802599100,5cyclictest28057-21perf23:15:010
80469990,7cyclictest10386-21munin-node22:07:483
80389999,0cyclictest0-21swapper/222:54:022
80389990,9cyclictest0-21swapper/222:11:172
80319999,0cyclictest21-21ksoftirqd/123:45:121
80319999,0cyclictest21-21ksoftirqd/123:40:361
80319999,0cyclictest21-21ksoftirqd/123:15:181
80319999,0cyclictest21-21ksoftirqd/100:30:301
80319998,1cyclictest21-21ksoftirqd/121:08:111
80319998,1cyclictest21-21ksoftirqd/100:14:121
80319998,0cyclictest21-21ksoftirqd/121:37:031
80319997,2cyclictest0-21swapper/119:20:191
80319997,1cyclictest111rcu_preempt00:20:221
80319996,2cyclictest0-21swapper/120:25:131
80319992,5cyclictest111rcu_preempt22:20:061
80319992,1cyclictest111rcu_preempt22:59:431
80319991,8cyclictest111rcu_preempt23:38:331
80319991,8cyclictest111rcu_preempt22:30:131
80319991,8cyclictest111rcu_preempt22:25:411
80319991,8cyclictest111rcu_preempt21:44:371
80319991,0cyclictest21-21ksoftirqd/100:17:031
80319990,8cyclictest21-21ksoftirqd/121:45:101
80319990,1cyclictest21-21ksoftirqd/123:25:121
80259997,1cyclictest9-21ksoftirqd/022:25:000
80259997,1cyclictest9-21ksoftirqd/019:30:000
80259993,5cyclictest23245-21munin-run19:40:000
80469984,2cyclictest240-21systemd-journal00:25:013
80469980,5cyclictest10386-21munin-node21:10:263
80389988,0cyclictest0-21swapper/221:58:042
80389986,1cyclictest61650irq/122-eno123:45:222
80389986,1cyclictest61650irq/122-eno100:15:152
80389986,1cyclictest61650irq/122-eno100:00:162
80389982,5cyclictest7800-21sh21:18:222
80319988,0cyclictest21-21ksoftirqd/123:55:151
80319988,0cyclictest21-21ksoftirqd/123:06:001
80319988,0cyclictest21-21ksoftirqd/122:45:071
80319988,0cyclictest21-21ksoftirqd/122:40:041
80319988,0cyclictest21-21ksoftirqd/122:35:001
80319988,0cyclictest21-21ksoftirqd/122:15:081
80319988,0cyclictest21-21ksoftirqd/122:05:351
80319988,0cyclictest21-21ksoftirqd/121:25:351
80319988,0cyclictest21-21ksoftirqd/121:15:101
80319988,0cyclictest21-21ksoftirqd/121:10:081
80319988,0cyclictest21-21ksoftirqd/120:35:211
80319988,0cyclictest21-21ksoftirqd/120:00:141
80319988,0cyclictest21-21ksoftirqd/119:55:181
80319988,0cyclictest21-21ksoftirqd/119:30:101
80319988,0cyclictest21-21ksoftirqd/119:18:241
80319988,0cyclictest21-21ksoftirqd/100:05:061
80319988,0cyclictest111rcu_preempt20:10:171
80319986,2cyclictest0-21swapper/123:00:041
80319986,2cyclictest0-21swapper/120:55:171
80319986,2cyclictest0-21swapper/119:50:131
80319981,0cyclictest111rcu_preempt00:00:131
80319980,8cyclictest211ksoftirqd/123:10:031
80319980,8cyclictest211ksoftirqd/120:50:221
80319980,8cyclictest211ksoftirqd/119:40:151
80319980,8cyclictest21-21ksoftirqd/123:30:091
80319980,8cyclictest21-21ksoftirqd/122:00:091
80319980,8cyclictest21-21ksoftirqd/121:55:251
80319980,8cyclictest21-21ksoftirqd/121:01:091
80319980,8cyclictest21-21ksoftirqd/120:05:381
80319980,8cyclictest0-21swapper/123:20:091
80319980,8cyclictest0-21swapper/122:50:091
80319980,8cyclictest0-21swapper/121:20:091
80319980,0cyclictest211ksoftirqd/120:45:131
80319980,0cyclictest21-21ksoftirqd/120:20:181
80319980,0cyclictest111rcu_preempt20:40:171
80259987,1cyclictest9-21ksoftirqd/020:43:380
80259986,1cyclictest27034-21cstates20:55:140
80259984,1cyclictest1113-21diskmemload23:05:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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