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2026-05-28 - 04:03
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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 Thu May 28, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
218662213150,22sleep30-21swapper/319:08:033
217982208151,44sleep20-21swapper/219:07:102
219352205141,21sleep00-21swapper/019:08:570
219212197158,26sleep10-21swapper/119:08:471
117142700,0sleep10-21swapper/123:55:171
34032680,0sleep10-21swapper/100:28:061
170472600,0sleep20-21swapper/220:05:132
22105991210,1cyclictest28-21ksoftirqd/221:35:142
2209999120,0cyclictest0-21swapper/119:30:131
22088991210,1cyclictest9-21ksoftirqd/022:20:000
22088991210,1cyclictest9-21ksoftirqd/021:55:010
2210599119,1cyclictest28-21ksoftirqd/223:35:162
2210599119,1cyclictest28-21ksoftirqd/222:40:002
2210599119,1cyclictest28-21ksoftirqd/221:10:132
22105991110,1cyclictest28-21ksoftirqd/221:40:122
2210599110,11cyclictest0-21swapper/221:30:002
2208899119,1cyclictest9-21ksoftirqd/022:50:000
2208899119,1cyclictest9-21ksoftirqd/021:45:000
22088991110,1cyclictest9-21ksoftirqd/022:45:000
22088991110,1cyclictest9-21ksoftirqd/022:29:590
2210599109,1cyclictest28-21ksoftirqd/223:55:172
2210599109,1cyclictest28-21ksoftirqd/223:40:132
2210599109,1cyclictest28-21ksoftirqd/223:05:102
2210599109,1cyclictest28-21ksoftirqd/223:05:012
2210599109,1cyclictest28-21ksoftirqd/222:40:002
2210599109,1cyclictest28-21ksoftirqd/221:30:112
2210599109,1cyclictest28-21ksoftirqd/220:15:202
2210599108,1cyclictest28-21ksoftirqd/219:40:002
2210599108,1cyclictest28-21ksoftirqd/219:15:142
2210599104,1cyclictest31757-21sh22:55:192
2210599104,1cyclictest31757-21sh22:55:192
22105991010,0cyclictest28-21ksoftirqd/222:05:162
2210599100,9cyclictest4806-21needreboot22:20:172
2208899109,1cyclictest9-21ksoftirqd/020:35:000
2208899109,1cyclictest9-21ksoftirqd/020:00:000
2208899105,4cyclictest9-21ksoftirqd/023:01:100
8953290,0sleep10-21swapper/123:51:221
27780290,0sleep20-21swapper/222:50:202
221139998,1cyclictest35-21ksoftirqd/323:45:013
221059999,0cyclictest28-21ksoftirqd/223:10:142
221059998,1cyclictest28-21ksoftirqd/222:15:192
221059998,1cyclictest28-21ksoftirqd/222:00:132
221059998,1cyclictest28-21ksoftirqd/221:58:582
221059998,1cyclictest28-21ksoftirqd/221:00:142
221059998,1cyclictest28-21ksoftirqd/220:55:132
221059998,1cyclictest28-21ksoftirqd/200:20:172
221059998,1cyclictest28-21ksoftirqd/200:15:152
221059997,1cyclictest61650irq/122-eno119:45:002
221059997,1cyclictest28-21ksoftirqd/220:40:142
221059992,5cyclictest3325-21kworker/u8:123:51:552
221059990,5cyclictest9442-21apt-get19:50:102
221059990,4cyclictest0-21swapper/200:05:122
220999990,8cyclictest0-21swapper/120:29:561
220999990,8cyclictest0-21swapper/120:29:551
220889998,1cyclictest9-21ksoftirqd/020:25:120
220889998,1cyclictest9-21ksoftirqd/020:25:110
220889997,1cyclictest9-21ksoftirqd/020:35:130
220889995,1cyclictest15275-21telnet21:10:110
221139987,1cyclictest35-21ksoftirqd/321:10:003
221139986,1cyclictest35-21ksoftirqd/322:58:533
221139986,1cyclictest35-21ksoftirqd/322:58:523
221139986,1cyclictest35-21ksoftirqd/322:55:003
221139986,1cyclictest1029-21snmpd22:48:133
221139986,1cyclictest1029-21snmpd22:10:553
221139986,1cyclictest1029-21snmpd21:03:273
221139986,1cyclictest1029-21snmpd20:41:083
221139986,1cyclictest1029-21snmpd20:22:243
221139986,1cyclictest1029-21snmpd20:06:063
221139986,1cyclictest1029-21snmpd19:11:463
221139981,4cyclictest0-21swapper/321:50:173
221139980,4cyclictest0-21swapper/321:34:103
221139980,3cyclictest23025-21apt-get21:20:103
221139980,0cyclictest0-21swapper/322:34:193
221059988,0cyclictest28-21ksoftirqd/200:00:182
221059987,1cyclictest28-21ksoftirqd/223:30:192
221059987,1cyclictest28-21ksoftirqd/223:23:412
221059987,1cyclictest28-21ksoftirqd/221:24:382
221059987,1cyclictest28-21ksoftirqd/221:05:132
221059987,1cyclictest28-21ksoftirqd/220:30:132
221059987,1cyclictest28-21ksoftirqd/220:00:142
221059987,1cyclictest28-21ksoftirqd/200:30:152
221059986,1cyclictest61650irq/122-eno123:26:342
221059986,1cyclictest61650irq/122-eno123:15:162
221059986,1cyclictest61650irq/122-eno122:45:112
221059986,1cyclictest61650irq/122-eno120:40:012
221059986,1cyclictest28-21ksoftirqd/221:45:142
221059986,1cyclictest28-21ksoftirqd/219:55:142
221059986,1cyclictest28-21ksoftirqd/200:37:092
221059986,1cyclictest28-21ksoftirqd/200:15:002
221059986,1cyclictest1029-21snmpd22:32:392
221059980,5cyclictest24493-21fschecks_time20:20:132
220999980,5cyclictest0-21swapper/121:35:051
220999980,5cyclictest0-21swapper/121:08:281
220999980,1cyclictest0-21swapper/119:20:111
220999980,0cyclictest0-21swapper/123:10:191
220889988,0cyclictest9-21ksoftirqd/000:25:170
220889987,1cyclictest9-21ksoftirqd/022:25:010
220889987,1cyclictest9-21ksoftirqd/020:50:000
220889987,1cyclictest9-21ksoftirqd/000:25:000
220889987,1cyclictest28809-21telnet22:10:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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