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2026-06-16 - 08:08
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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 Tue Jun 16, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150972202161,28sleep20-21swapper/219:05:422
153882201163,24sleep00-21swapper/019:09:290
151282200160,26sleep30-21swapper/319:06:063
151312199160,26sleep10-21swapper/119:06:081
108152330,0sleep00-21swapper/022:40:140
318632180,0sleep08175-21diskmemload21:40:150
15525991615,1cyclictest35-21ksoftirqd/300:05:203
15525991514,1cyclictest35-21ksoftirqd/321:40:153
15525991413,1cyclictest35-21ksoftirqd/320:00:003
15514991412,1cyclictest9-21ksoftirqd/021:20:010
189942130,0sleep30-21swapper/300:19:513
189942130,0sleep30-21swapper/300:19:513
277552120,1sleep327750-21needreboot00:30:153
170182120,0sleep10-21swapper/122:48:161
15525991212,0cyclictest35-21ksoftirqd/321:19:323
15525991211,1cyclictest35-21ksoftirqd/322:25:173
15525991210,1cyclictest35-21ksoftirqd/323:50:133
15514991210,1cyclictest9-21ksoftirqd/022:25:010
15514991210,1cyclictest9-21ksoftirqd/022:20:000
1552599119,1cyclictest35-21ksoftirqd/323:35:123
1552599119,1cyclictest35-21ksoftirqd/321:45:203
15525991111,0cyclictest35-21ksoftirqd/320:20:173
15525991111,0cyclictest35-21ksoftirqd/319:55:003
15525991110,1cyclictest35-21ksoftirqd/320:10:173
15525991110,1cyclictest35-21ksoftirqd/320:05:223
1552499119,1cyclictest28-21ksoftirqd/220:14:592
1552499119,1cyclictest28-21ksoftirqd/219:35:012
15514991110,1cyclictest9-21ksoftirqd/021:15:010
15514991110,1cyclictest9-21ksoftirqd/019:45:000
1552599109,1cyclictest35-21ksoftirqd/322:55:153
1552599109,1cyclictest35-21ksoftirqd/322:38:423
1552599109,1cyclictest35-21ksoftirqd/322:30:133
1552599109,1cyclictest35-21ksoftirqd/322:01:573
1552599109,1cyclictest35-21ksoftirqd/321:30:183
1552599109,1cyclictest35-21ksoftirqd/321:10:123
1552599109,1cyclictest35-21ksoftirqd/320:35:003
1552599109,1cyclictest35-21ksoftirqd/319:30:003
1552599109,0cyclictest35-21ksoftirqd/323:15:173
1552599108,1cyclictest35-21ksoftirqd/323:45:173
1552599108,1cyclictest35-21ksoftirqd/322:40:153
15525991010,0cyclictest35-21ksoftirqd/321:25:203
15525991010,0cyclictest35-21ksoftirqd/320:30:003
1552599100,4cyclictest15057-21hddtemp_smartct22:45:153
1552499109,1cyclictest28-21ksoftirqd/222:08:162
1552499109,1cyclictest28-21ksoftirqd/219:45:002
1552499100,10cyclictest0-21swapper/221:19:462
1551499109,1cyclictest9-21ksoftirqd/019:30:000
1551499109,1cyclictest9-21ksoftirqd/000:00:000
1551499102,4cyclictest12304-21perf20:10:000
26488290,0sleep20-21swapper/222:15:582
155259999,0cyclictest35-21ksoftirqd/320:55:183
155259999,0cyclictest35-21ksoftirqd/300:20:113
155259999,0cyclictest35-21ksoftirqd/300:10:143
155259998,1cyclictest35-21ksoftirqd/323:25:183
155259998,1cyclictest35-21ksoftirqd/323:20:103
155259998,1cyclictest35-21ksoftirqd/323:10:143
155259998,1cyclictest35-21ksoftirqd/323:05:183
155259998,1cyclictest35-21ksoftirqd/321:55:173
155259998,1cyclictest35-21ksoftirqd/321:53:243
155259998,1cyclictest35-21ksoftirqd/321:35:223
155259998,0cyclictest35-21ksoftirqd/322:50:163
155259997,1cyclictest35-21ksoftirqd/322:15:153
155259997,1cyclictest35-21ksoftirqd/322:10:163
155259997,1cyclictest35-21ksoftirqd/320:50:003
155259990,5cyclictest0-21swapper/323:30:063
155249999,0cyclictest0-21swapper/223:40:272
155149998,1cyclictest9-21ksoftirqd/023:05:000
155149998,1cyclictest9-21ksoftirqd/022:55:130
155149998,1cyclictest9-21ksoftirqd/021:25:130
155149993,6cyclictest32509-21kworker/0:223:40:010
20836280,2sleep121-21ksoftirqd/120:25:181
155259988,0cyclictest35-21ksoftirqd/319:10:113
155259987,1cyclictest35-21ksoftirqd/322:05:153
155259987,1cyclictest35-21ksoftirqd/321:24:403
155259987,1cyclictest35-21ksoftirqd/320:15:153
155259987,1cyclictest35-21ksoftirqd/319:45:123
155259987,0cyclictest35-21ksoftirqd/319:35:133
155259986,1cyclictest35-21ksoftirqd/323:00:173
155259986,1cyclictest35-21ksoftirqd/322:20:193
155259986,1cyclictest1029-21snmpd19:32:343
155259986,1cyclictest1029-21snmpd00:03:523
155259980,2cyclictest30575-21apt-get19:40:093
155249987,1cyclictest61650irq/122-eno121:33:282
155249987,1cyclictest28-21ksoftirqd/220:05:002
155249987,1cyclictest28-21ksoftirqd/219:20:112
155249986,1cyclictest61650irq/122-eno122:25:002
155249986,1cyclictest61650irq/122-eno121:40:142
155249986,1cyclictest61650irq/122-eno100:35:142
155249986,1cyclictest28-21ksoftirqd/223:33:372
155249986,1cyclictest28-21ksoftirqd/219:40:002
155249986,1cyclictest1029-21snmpd23:20:032
155249986,1cyclictest1029-21snmpd23:06:052
155249986,1cyclictest1029-21snmpd23:02:422
155249986,1cyclictest1029-21snmpd20:32:422
155249986,1cyclictest1029-21snmpd00:07:562
155249984,2cyclictest548-21systemd-logind23:10:192
155249980,6cyclictest1029-21snmpd00:23:072
155209980,8cyclictest0-21swapper/120:59:581
155209980,3cyclictest0-21swapper/123:03:071
155149988,0cyclictest9-21ksoftirqd/000:09:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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