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2026-06-01 - 01:11
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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 Sun May 31, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253352225159,53sleep30-21swapper/307:05:593
255132200160,26sleep20-21swapper/207:08:192
256102198158,26sleep00-21swapper/007:09:340
254202198155,24sleep10-21swapper/107:07:051
227912650,0sleep10-21swapper/110:40:121
97232630,0sleep10-21swapper/111:50:091
33332190,0sleep10-21swapper/112:25:131
83442130,0sleep10-21swapper/110:20:131
25743991312,1cyclictest28-21ksoftirqd/208:40:132
25743991311,1cyclictest20839-21users10:35:222
25743991211,1cyclictest28-21ksoftirqd/207:30:002
2573099123,5cyclictest3457-21perf07:30:000
25730991210,1cyclictest9-21ksoftirqd/010:10:340
2573099121,5cyclictest10181-21perf12:35:000
2575099110,9cyclictest28902-21apt-get10:05:123
2574399119,1cyclictest28-21ksoftirqd/212:00:002
25743991110,1cyclictest28-21ksoftirqd/207:55:002
2573099119,1cyclictest9-21ksoftirqd/010:55:130
2573099119,1cyclictest9-21ksoftirqd/009:15:000
25730991110,1cyclictest9-21ksoftirqd/011:40:000
306212100,0sleep318989-21diskmemload12:17:313
2575099109,1cyclictest35-21ksoftirqd/310:05:003
2575099109,1cyclictest35-21ksoftirqd/309:25:123
2574399109,1cyclictest28-21ksoftirqd/211:00:132
2574399109,1cyclictest28-21ksoftirqd/210:05:002
2574399109,1cyclictest28-21ksoftirqd/208:05:002
2574399108,1cyclictest28-21ksoftirqd/209:10:002
2573099109,1cyclictest9-21ksoftirqd/012:20:130
2573099109,1cyclictest9-21ksoftirqd/012:00:000
2573099109,1cyclictest9-21ksoftirqd/011:10:000
2573099100,8cyclictest0-21swapper/007:35:120
257509997,1cyclictest35-21ksoftirqd/309:10:003
257509990,7cyclictest18989-21diskmemload09:18:233
257509990,5cyclictest18989-21diskmemload10:35:223
257509990,1cyclictest0-21swapper/310:24:333
257439998,1cyclictest28-21ksoftirqd/211:00:002
257439998,1cyclictest28-21ksoftirqd/208:35:112
257439997,1cyclictest28-21ksoftirqd/211:45:142
257439997,1cyclictest28-21ksoftirqd/208:30:012
257439997,1cyclictest28-21ksoftirqd/208:15:152
257439991,4cyclictest28-21ksoftirqd/211:34:092
257309999,0cyclictest9-21ksoftirqd/011:50:170
257309998,1cyclictest9-21ksoftirqd/012:40:000
257309998,1cyclictest9-21ksoftirqd/010:05:000
257309998,1cyclictest9-21ksoftirqd/009:45:130
257309998,1cyclictest9-21ksoftirqd/008:50:000
257309997,2cyclictest9-21ksoftirqd/012:10:120
257309992,6cyclictest28062-21munin-run07:15:000
257309992,1cyclictest8459-1kworker/u9:011:10:120
257309990,8cyclictest12136-21apt-get08:55:120
257309990,7cyclictest0-21swapper/011:25:110
257509987,1cyclictest35-21ksoftirqd/308:05:003
257509986,1cyclictest1029-21snmpd07:27:433
257509986,1cyclictest0-21swapper/312:27:053
257509985,1cyclictest13650irq/124-ahci[0012:39:553
257509981,6cyclictest1029-21snmpd08:36:353
257509981,4cyclictest9467-21nscd07:50:173
257509980,4cyclictest18989-21diskmemload10:10:123
257439988,0cyclictest28-21ksoftirqd/212:25:152
257439987,1cyclictest28-21ksoftirqd/212:10:132
257439987,1cyclictest28-21ksoftirqd/210:35:002
257439987,1cyclictest28-21ksoftirqd/209:35:142
257439986,1cyclictest28-21ksoftirqd/207:19:552
257439986,1cyclictest1029-21snmpd11:08:562
257439986,1cyclictest1029-21snmpd10:47:322
257309987,1cyclictest9-21ksoftirqd/011:50:000
257309987,1cyclictest9-21ksoftirqd/010:45:150
257309987,1cyclictest9-21ksoftirqd/010:07:020
257309987,1cyclictest9-21ksoftirqd/009:15:120
257309987,1cyclictest19807-21ssh09:51:090
257309986,1cyclictest9-21ksoftirqd/007:50:130
257309986,1cyclictest3560-21ssh12:25:140
257309986,1cyclictest1029-21snmpd09:01:160
257309986,1cyclictest1029-21snmpd08:33:330
257309986,1cyclictest1029-21snmpd08:27:270
257309986,1cyclictest1029-21snmpd08:21:300
257309981,6cyclictest5298-21ssh10:15:190
257309980,7cyclictest9967-21cut09:40:000
257309980,4cyclictest5793-21sed11:45:000
257309980,4cyclictest0-21swapper/012:00:090
257309980,4cyclictest0-21swapper/010:40:120
257309980,2cyclictest24855-21idleruntime-cro10:00:000
257509976,1cyclictest561-21nscd12:01:533
257509976,1cyclictest35-21ksoftirqd/311:25:003
257509976,1cyclictest35-21ksoftirqd/309:30:113
257509976,1cyclictest35-21ksoftirqd/308:00:003
257509976,1cyclictest1029-21snmpd12:06:133
257509976,1cyclictest1029-21snmpd09:39:563
257509976,1cyclictest1029-21snmpd08:10:083
257509975,1cyclictest1029-21snmpd10:40:463
257509975,1cyclictest1029-21snmpd09:20:343
257509975,1cyclictest1029-21snmpd08:58:493
257509975,1cyclictest1029-21snmpd08:45:093
257509975,1cyclictest1029-21snmpd07:47:233
257509975,1cyclictest1029-21snmpd07:34:523
257509975,1cyclictest1029-21snmpd07:34:523
257509971,4cyclictest0-21swapper/310:45:103
257509970,6cyclictest6265-21ssh10:16:203
257509970,6cyclictest16111-21fschecks_time10:30:143
257509970,4cyclictest0-21swapper/311:27:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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