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2026-06-17 - 14:49
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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 Wed Jun 17, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128632217144,24sleep20-21swapper/207:05:092
148652210171,25sleep00-21swapper/007:08:370
149202202162,26sleep30-21swapper/307:09:203
147052197159,24sleep10-21swapper/107:06:341
206082750,0sleep20-21swapper/207:20:002
15063991211,1cyclictest9-21ksoftirqd/009:55:000
1506399119,1cyclictest9-21ksoftirqd/011:35:470
1506399113,4cyclictest5792-21cat09:05:010
1506399110,10cyclictest0-21swapper/010:00:170
1508099109,1cyclictest28-21ksoftirqd/212:32:412
1508099108,1cyclictest28-21ksoftirqd/211:24:592
1508099103,7cyclictest15050-21cyclictest09:48:132
15080991010,0cyclictest28-21ksoftirqd/212:02:082
1506399108,1cyclictest9-21ksoftirqd/007:30:010
1506399108,1cyclictest5643-21sh10:32:420
1506399107,1cyclictest9-21ksoftirqd/008:54:590
1506399102,5cyclictest29699-21kworker/0:012:12:180
150809998,1cyclictest28-21ksoftirqd/210:40:002
150809997,1cyclictest28-21ksoftirqd/207:28:172
150809995,4cyclictest0-21swapper/210:26:462
150639994,2cyclictest240-21systemd-journal10:45:000
150639991,4cyclictest31599-21perf10:25:000
150639991,3cyclictest9-21ksoftirqd/010:56:260
150639990,5cyclictest26717-21munin-run09:35:010
150639990,1cyclictest0-21swapper/011:40:180
8445286,1sleep09-21ksoftirqd/009:10:120
25430287,0sleep335-21ksoftirqd/312:28:523
150889987,1cyclictest35-21ksoftirqd/309:15:003
150889986,1cyclictest1029-21snmpd11:38:033
150889982,4cyclictest35-21ksoftirqd/309:29:113
150889980,3cyclictest0-21swapper/307:45:123
150809986,1cyclictest61650irq/122-eno109:20:122
150809986,1cyclictest1029-21snmpd09:28:022
150809980,6cyclictest0-21swapper/209:15:102
150729981,1cyclictest0-21swapper/107:22:371
150639987,1cyclictest9-21ksoftirqd/012:35:010
150639987,1cyclictest9-21ksoftirqd/007:25:000
150639986,1cyclictest9-21ksoftirqd/010:55:010
150639986,1cyclictest1029-21snmpd11:59:110
150639986,1cyclictest1029-21snmpd11:28:080
150639986,1cyclictest1029-21snmpd07:50:310
150639985,2cyclictest583-21in:imuxsock11:10:010
150639981,5cyclictest0-21swapper/010:25:110
150639981,4cyclictest19399-21netstat07:15:150
150639980,7cyclictest23840-21dpkg08:35:100
150639980,5cyclictest9750-21apt-get09:55:100
150639980,4cyclictest19581-21aten_r1power_fr09:25:100
150639980,1cyclictest477-21ssh09:41:140
150889976,1cyclictest1029-21snmpd12:35:153
150889976,1cyclictest1029-21snmpd09:01:583
150889976,1cyclictest1029-21snmpd08:46:283
150889975,1cyclictest28002-21ssh11:02:523
150889975,1cyclictest13250-21ssh10:43:023
150889975,1cyclictest1029-21snmpd11:57:383
150889975,1cyclictest1029-21snmpd11:43:153
150889975,1cyclictest1029-21snmpd10:30:393
150889975,1cyclictest1029-21snmpd08:15:453
150889975,1cyclictest1029-21snmpd07:36:423
150889975,1cyclictest1029-21snmpd07:16:423
150889973,1cyclictest13748-21sed08:10:213
150889972,1cyclictest35-21ksoftirqd/309:33:303
150889971,3cyclictest8104-21diskmemload11:46:123
150889970,4cyclictest5047-21ntp_states11:15:173
150889970,4cyclictest1251-21apt-get08:55:093
150889970,3cyclictest0-21swapper/312:03:043
150809976,1cyclictest61650irq/122-eno112:35:002
150809976,1cyclictest61650irq/122-eno112:15:062
150809976,1cyclictest61650irq/122-eno112:11:172
150809976,1cyclictest61650irq/122-eno111:55:122
150809976,1cyclictest61650irq/122-eno111:25:092
150809976,1cyclictest61650irq/122-eno109:55:002
150809976,1cyclictest24726-21nscd09:05:122
150809976,0cyclictest61650irq/122-eno110:40:282
150809975,1cyclictest61650irq/122-eno110:30:142
150809975,1cyclictest20728-21ssh10:53:362
150809975,1cyclictest1029-21snmpd11:42:592
150809974,3cyclictest693-21runrttasks12:29:112
150809973,3cyclictest28-21ksoftirqd/211:07:022
150809973,1cyclictest0-21swapper/209:40:202
150809971,6cyclictest0-21swapper/212:22:362
150809971,5cyclictest1029-21snmpd10:18:492
150809971,2cyclictest0-21swapper/208:10:132
150809970,3cyclictest0-21swapper/207:55:112
150729971,6cyclictest0-21swapper/111:34:531
150729970,6cyclictest0-21swapper/108:20:171
150729970,4cyclictest0-21swapper/111:25:311
150729970,3cyclictest0-21swapper/110:50:101
150729970,3cyclictest0-21swapper/109:35:021
150729970,1cyclictest0-21swapper/110:22:461
150729970,1cyclictest0-21swapper/109:33:281
150729970,1cyclictest0-21swapper/109:20:121
150639976,1cyclictest9-21ksoftirqd/008:00:010
150639976,1cyclictest21601-21cat10:10:130
150639975,1cyclictest733-21sshd10:05:180
150639975,1cyclictest6729-21apt-get10:35:140
150639975,1cyclictest4438-21ssh09:47:040
150639975,1cyclictest1029-21snmpd08:02:220
150639975,1cyclictest1029-21snmpd07:40:490
150639975,1cyclictest0-21swapper/011:00:120
150639974,2cyclictest8104-21diskmemload12:37:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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