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2025-12-24 - 17:11
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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 Wed Dec 24, 2025 12:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
113062217161,25sleep20-21swapper/207:08:102
113442211150,49sleep30-21swapper/307:08:383
111452210147,21sleep00-21swapper/007:06:030
112182201164,24sleep10-21swapper/107:06:591
200172720,0sleep10-21swapper/109:40:181
11548991514,1cyclictest28-21ksoftirqd/209:50:122
11530991412,1cyclictest9-21ksoftirqd/010:25:000
11548991311,1cyclictest28-21ksoftirqd/209:25:012
11540991313,0cyclictest0-21swapper/112:02:221
1153099123,4cyclictest28221-21perf10:00:000
1153099120,11cyclictest0-21swapper/011:45:200
1153099120,11cyclictest0-21swapper/011:45:200
11555991110,1cyclictest35-21ksoftirqd/308:50:003
1154899119,1cyclictest28-21ksoftirqd/208:15:002
11548991110,1cyclictest28-21ksoftirqd/212:40:012
11548991110,1cyclictest28-21ksoftirqd/207:30:002
1154899110,1cyclictest9407-21cstates11:35:142
1153099116,1cyclictest707-21snmpd11:15:250
1155599109,1cyclictest35-21ksoftirqd/310:35:003
1155599107,1cyclictest35-21ksoftirqd/309:15:003
1154899109,1cyclictest28-21ksoftirqd/210:30:172
1154899109,1cyclictest28-21ksoftirqd/208:05:002
1154899108,1cyclictest28-21ksoftirqd/207:15:002
1153099108,1cyclictest9-21ksoftirqd/009:19:590
1153099102,4cyclictest13901-21munin-node07:15:000
1153099100,1cyclictest0-21swapper/010:15:400
115559999,0cyclictest35-21ksoftirqd/311:45:013
115559999,0cyclictest35-21ksoftirqd/310:25:003
115559999,0cyclictest35-21ksoftirqd/308:30:003
115559998,1cyclictest35-21ksoftirqd/309:05:003
115559997,1cyclictest35-21ksoftirqd/311:15:143
115489998,1cyclictest28-21ksoftirqd/212:05:212
115489998,1cyclictest28-21ksoftirqd/211:20:182
115489998,1cyclictest28-21ksoftirqd/209:30:012
115489998,1cyclictest28-21ksoftirqd/208:25:012
115489998,1cyclictest28-21ksoftirqd/208:05:162
115489997,1cyclictest28-21ksoftirqd/211:45:162
115489997,1cyclictest28-21ksoftirqd/211:45:152
115489997,1cyclictest28-21ksoftirqd/210:55:012
115489997,1cyclictest28-21ksoftirqd/208:40:212
115489996,2cyclictest707-21snmpd11:28:262
115489992,5cyclictest19818-21kworker/2:111:00:162
115309997,1cyclictest9-21ksoftirqd/009:04:590
115309995,1cyclictest707-21snmpd09:39:120
115309991,4cyclictest25319-21cut12:10:000
115309990,6cyclictest0-21swapper/011:42:140
115559988,0cyclictest35-21ksoftirqd/307:35:143
115559987,1cyclictest35-21ksoftirqd/312:25:003
115559987,1cyclictest35-21ksoftirqd/309:35:003
115559986,1cyclictest707-21snmpd12:11:133
115559986,1cyclictest707-21snmpd12:05:033
115559986,1cyclictest707-21snmpd12:00:033
115559986,1cyclictest707-21snmpd09:19:403
115559980,6cyclictest4003-21apt-get08:00:113
115489988,0cyclictest28-21ksoftirqd/211:55:202
115489988,0cyclictest28-21ksoftirqd/210:35:212
115489987,1cyclictest28-21ksoftirqd/212:30:152
115489987,1cyclictest28-21ksoftirqd/211:50:132
115489987,1cyclictest28-21ksoftirqd/211:14:592
115489987,1cyclictest28-21ksoftirqd/210:04:592
115489987,1cyclictest28-21ksoftirqd/207:15:002
115489986,1cyclictest28-21ksoftirqd/211:45:002
115489986,1cyclictest28-21ksoftirqd/210:55:112
115489986,1cyclictest28-21ksoftirqd/208:15:142
115489984,1cyclictest31697-21apt-get07:50:102
115489980,4cyclictest0-21swapper/210:00:002
115409981,1cyclictest0-21swapper/107:47:591
115309986,1cyclictest9-21ksoftirqd/010:00:130
115309986,1cyclictest9-21ksoftirqd/008:20:000
115309986,1cyclictest707-21snmpd08:55:570
115309982,5cyclictest32390-21perf12:25:010
115309982,5cyclictest0-21swapper/007:50:140
115309981,5cyclictest24165-21cat07:35:000
115309980,7cyclictest0-21swapper/009:20:130
115559977,0cyclictest35-21ksoftirqd/311:10:153
115559977,0cyclictest35-21ksoftirqd/309:40:143
115559977,0cyclictest35-21ksoftirqd/308:05:133
115559976,1cyclictest35-21ksoftirqd/312:35:123
115559976,1cyclictest35-21ksoftirqd/311:25:143
115559976,1cyclictest35-21ksoftirqd/309:45:013
115559976,1cyclictest35-21ksoftirqd/309:45:013
115559976,1cyclictest35-21ksoftirqd/309:20:143
115559975,1cyclictest707-21snmpd11:39:333
115559975,1cyclictest707-21snmpd11:30:153
115559975,1cyclictest707-21snmpd10:16:033
115559975,1cyclictest707-21snmpd09:54:273
115559975,1cyclictest707-21snmpd09:08:053
115559975,1cyclictest707-21snmpd08:43:033
115559975,1cyclictest707-21snmpd07:30:083
115559975,1cyclictest707-21snmpd07:26:563
115559975,1cyclictest35-21ksoftirqd/311:55:223
115559974,1cyclictest240-21systemd-journal11:49:563
115559974,1cyclictest240-21systemd-journal11:49:553
115559972,2cyclictest26037-21apt-get09:55:133
115559971,0cyclictest27587-21apt-get08:50:123
115559970,5cyclictest1917-21/usr/sbin/munin11:20:223
115489977,0cyclictest28-21ksoftirqd/212:25:212
115489977,0cyclictest28-21ksoftirqd/207:35:142
115489976,1cyclictest28-21ksoftirqd/212:25:012
115489976,1cyclictest28-21ksoftirqd/211:05:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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