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2025-12-26 - 07:13
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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 Fri Dec 26, 2025 00:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139612224157,52sleep20-21swapper/219:05:092
158612199161,25sleep30-21swapper/319:07:183
160002198159,26sleep10-21swapper/119:09:051
157612197159,25sleep00-21swapper/019:06:000
990121000,1sleep01616899cyclictest23:25:190
263032670,1sleep026308-21kernelversion20:35:190
1617899130,12cyclictest0-21swapper/122:30:181
16192991210,1cyclictest2850ksoftirqd/219:40:002
1617899120,0cyclictest0-21swapper/123:05:131
1616899112,4cyclictest18572-21perf19:15:000
162009990,8cyclictest4761-21apt-get21:00:133
162009990,6cyclictest13333-21apt-get20:10:123
162009990,5cyclictest2391-21apt-get20:55:143
161929996,1cyclictest28-21ksoftirqd/221:09:592
161929990,0cyclictest0-21swapper/223:15:162
161689998,1cyclictest9-21ksoftirqd/000:20:000
162009987,0cyclictest13105-21munin-plugin-st20:09:593
162009986,1cyclictest707-21snmpd23:55:463
162009986,1cyclictest707-21snmpd23:30:343
162009986,1cyclictest707-21snmpd22:41:213
162009986,1cyclictest707-21snmpd22:30:453
162009986,1cyclictest707-21snmpd22:04:433
162009986,1cyclictest707-21snmpd21:40:493
162009986,1cyclictest707-21snmpd21:35:473
162009986,1cyclictest707-21snmpd20:03:083
162009986,1cyclictest35-21ksoftirqd/321:15:003
162009986,1cyclictest35-21ksoftirqd/319:45:013
162009986,1cyclictest35-21ksoftirqd/319:25:123
162009986,1cyclictest17562-21apt-get22:35:123
161929986,1cyclictest707-21snmpd22:07:022
161929986,1cyclictest61650irq/122-eno123:00:002
161929986,1cyclictest61650irq/122-eno119:10:142
161929986,1cyclictest61650irq/122-eno100:05:172
161689986,1cyclictest9-21ksoftirqd/023:40:110
161689986,1cyclictest707-21snmpd23:46:480
161689986,1cyclictest707-21snmpd22:11:320
161689986,1cyclictest707-21snmpd22:03:170
161689986,1cyclictest707-21snmpd20:34:060
161689986,1cyclictest707-21snmpd20:08:390
161689986,1cyclictest707-21snmpd19:15:550
161689986,1cyclictest707-21snmpd00:37:420
161689984,2cyclictest25454-21unixbench-2d21:40:210
161689981,6cyclictest3785-21awk23:15:000
161689980,3cyclictest0-21swapper/023:55:110
161689980,0cyclictest0-21swapper/019:45:100
162009976,1cyclictest8190-21cat21:05:163
162009976,1cyclictest707-21snmpd23:11:243
162009976,1cyclictest707-21snmpd23:02:063
162009976,1cyclictest707-21snmpd21:58:073
162009976,1cyclictest20011-21cat21:30:163
162009975,1cyclictest707-21snmpd23:42:103
162009975,1cyclictest707-21snmpd23:39:163
162009975,1cyclictest707-21snmpd23:29:133
162009975,1cyclictest707-21snmpd22:45:333
162009975,1cyclictest707-21snmpd21:50:403
162009975,1cyclictest707-21snmpd21:25:523
162009975,1cyclictest707-21snmpd20:49:013
162009975,1cyclictest707-21snmpd20:15:233
162009975,1cyclictest707-21snmpd19:33:253
162009975,1cyclictest707-21snmpd19:10:153
162009975,1cyclictest707-21snmpd00:38:383
162009975,1cyclictest707-21snmpd00:30:583
162009975,1cyclictest707-21snmpd00:24:053
162009975,1cyclictest35-21ksoftirqd/323:00:013
162009975,1cyclictest35-21ksoftirqd/321:20:003
162009974,1cyclictest240-21systemd-journal19:19:593
162009971,3cyclictest3695-21apt-get19:50:113
162009970,4cyclictest27912-21cpu20:40:143
162009970,4cyclictest0-21swapper/320:20:003
161929976,1cyclictest707-21snmpd20:51:002
161929976,1cyclictest61650irq/122-eno121:55:012
161929975,1cyclictest7806-21sshd19:55:312
161929975,1cyclictest707-21snmpd22:26:272
161929975,1cyclictest707-21snmpd21:47:382
161929975,1cyclictest707-21snmpd20:45:302
161929975,1cyclictest707-21snmpd20:21:032
161929975,1cyclictest707-21snmpd19:31:152
161929975,1cyclictest707-21snmpd19:25:212
161929975,1cyclictest707-21snmpd00:33:392
161929975,1cyclictest61650irq/122-eno121:25:202
161929975,1cyclictest1747-21ntpd23:55:592
161929974,1cyclictest240-21systemd-journal20:12:082
161929973,2cyclictest548-21systemd-logind23:50:212
161929973,2cyclictest30166-21apt-get00:10:142
161929972,3cyclictest3760-21cron23:15:002
161929972,3cyclictest16854-21grep22:30:202
161929972,2cyclictest240-21systemd-journal22:50:002
161929971,6cyclictest0-21swapper/200:20:222
161929970,5cyclictest32334-21cat21:55:212
161929970,2cyclictest0-21swapper/219:15:132
161929970,1cyclictest0-21swapper/222:38:022
161789971,6cyclictest0-21swapper/122:26:451
161789971,3cyclictest0-21swapper/120:05:001
161789971,1cyclictest0-21swapper/120:38:171
161789970,7cyclictest0-21swapper/120:51:221
161789970,3cyclictest0-21swapper/123:40:011
161789970,1cyclictest0-21swapper/121:05:101
161689976,1cyclictest9-21ksoftirqd/022:48:100
161689976,1cyclictest707-21snmpd21:27:000
161689975,1cyclictest707-21snmpd23:16:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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