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2025-12-14 - 05:23
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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 Dec 14, 2025 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
192832213161,26sleep30-21swapper/319:09:093
190712199161,25sleep20-21swapper/219:06:222
191712198161,24sleep00-21swapper/019:07:410
192712197158,26sleep10-21swapper/119:08:591
3642210,0sleep10-21swapper/123:00:141
261312190,0sleep10-21swapper/120:30:161
19426991710,1cyclictest9-21ksoftirqd/020:20:010
34082130,0sleep30-21swapper/319:40:203
19442991311,1cyclictest28-21ksoftirqd/220:25:012
1943499130,0cyclictest0-21swapper/123:40:121
1942699134,4cyclictest25076-21perf22:45:010
19426991212,0cyclictest0-21swapper/023:57:460
19426991211,1cyclictest9-21ksoftirqd/022:15:000
1943499110,1cyclictest0-21swapper/119:40:011
1942699119,1cyclictest9-21ksoftirqd/022:45:130
1945099109,1cyclictest35-21ksoftirqd/321:35:013
1944299109,1cyclictest28-21ksoftirqd/223:55:012
1944299109,1cyclictest28-21ksoftirqd/222:05:012
1944299109,1cyclictest28-21ksoftirqd/221:50:012
1944299109,1cyclictest28-21ksoftirqd/200:35:012
1944299109,0cyclictest28-21ksoftirqd/200:15:192
1943499101,9cyclictest0-21swapper/123:50:011
1943499100,9cyclictest0-21swapper/122:30:171
1943499100,2cyclictest0-21swapper/121:25:131
1942699109,1cyclictest9-21ksoftirqd/021:55:010
1942699104,5cyclictest9729-21perf21:05:010
194509997,1cyclictest35-21ksoftirqd/319:35:013
194509992,3cyclictest7565-21apt-get21:00:123
194509990,7cyclictest21989-21munin-node23:14:023
194509990,2cyclictest0-21swapper/320:15:133
194429998,1cyclictest28-21ksoftirqd/223:15:112
194429998,1cyclictest28-21ksoftirqd/222:20:162
194429998,1cyclictest28-21ksoftirqd/221:40:152
194429998,1cyclictest28-21ksoftirqd/219:25:012
194429998,1cyclictest28-21ksoftirqd/200:05:022
194429998,1cyclictest28-21ksoftirqd/200:00:122
194349999,0cyclictest0-21swapper/100:37:561
194269998,1cyclictest9-21ksoftirqd/022:30:010
194269998,1cyclictest9-21ksoftirqd/021:50:010
194269997,1cyclictest9-21ksoftirqd/022:35:010
194269997,1cyclictest9-21ksoftirqd/021:55:110
194269997,1cyclictest9-21ksoftirqd/021:55:110
194269991,7cyclictest457-21apt-get20:45:150
194509986,1cyclictest707-21snmpd20:41:273
194509986,1cyclictest707-21snmpd20:37:153
194509986,1cyclictest707-21snmpd20:30:363
194509986,1cyclictest707-21snmpd20:02:503
194509986,1cyclictest707-21snmpd19:58:563
194509985,1cyclictest35-21ksoftirqd/319:50:013
194509981,4cyclictest6972-21apt-get23:15:103
194429988,0cyclictest28-21ksoftirqd/222:15:132
194429988,0cyclictest28-21ksoftirqd/200:25:192
194429988,0cyclictest28-21ksoftirqd/200:20:132
194429987,1cyclictest28-21ksoftirqd/223:15:002
194429987,1cyclictest28-21ksoftirqd/223:05:152
194429987,1cyclictest28-21ksoftirqd/222:05:152
194429986,1cyclictest707-21snmpd22:27:302
194429986,1cyclictest28-21ksoftirqd/220:30:142
194429982,5cyclictest8310-21kworker/2:120:05:172
194429981,6cyclictest0-21swapper/223:36:232
194349980,8cyclictest0-21swapper/120:06:141
194349980,2cyclictest0-21swapper/123:20:121
194269987,1cyclictest9-21ksoftirqd/021:20:010
194269987,1cyclictest9-21ksoftirqd/020:25:100
194269987,1cyclictest9-21ksoftirqd/020:05:140
194269987,1cyclictest9-21ksoftirqd/019:15:020
194269987,1cyclictest9-21ksoftirqd/000:00:130
194269986,1cyclictest707-21snmpd20:37:030
194269986,1cyclictest707-21snmpd20:23:510
194269980,4cyclictest3271-21perf00:15:000
194509976,1cyclictest35-21ksoftirqd/322:28:213
194509976,1cyclictest1079-21ntpq23:00:183
194509975,1cyclictest707-21snmpd23:44:563
194509975,1cyclictest707-21snmpd23:22:293
194509975,1cyclictest707-21snmpd22:42:553
194509975,1cyclictest707-21snmpd22:30:483
194509975,1cyclictest707-21snmpd21:56:503
194509975,1cyclictest707-21snmpd21:56:503
194509975,1cyclictest707-21snmpd21:29:203
194509975,1cyclictest707-21snmpd21:14:313
194509975,1cyclictest707-21snmpd20:54:013
194509975,1cyclictest707-21snmpd20:47:063
194509975,1cyclictest707-21snmpd19:29:043
194509975,1cyclictest707-21snmpd00:31:003
194509975,1cyclictest707-21snmpd00:16:153
194509975,1cyclictest24564-21cat23:50:143
194509975,1cyclictest20524-21cat19:10:123
194509973,2cyclictest240-21systemd-journal00:10:013
194509973,1cyclictest548-21systemd-logind23:45:193
194509971,5cyclictest24654-21apt-get21:35:023
194509971,3cyclictest25058-21apt-get19:20:113
194509970,3cyclictest0-21swapper/322:55:123
194429976,1cyclictest8310-21kworker/2:120:15:012
194429976,1cyclictest8310-21kworker/2:119:39:152
194429976,1cyclictest61650irq/122-eno122:45:112
194429976,1cyclictest61650irq/122-eno121:53:392
194429976,1cyclictest61650irq/122-eno121:05:132
194429976,1cyclictest61650irq/122-eno100:10:152
194429976,1cyclictest28-21ksoftirqd/219:30:122
194429976,1cyclictest28-21ksoftirqd/219:15:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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