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2026-09-03 - 07:44
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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 Thu Sep 03, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307012221157,51sleep30-21swapper/319:09:413
304012205150,21sleep10-21swapper/119:05:441
306932204166,24sleep00-21swapper/019:09:340
305042198160,25sleep20-21swapper/219:07:062
232682710,0sleep10-21swapper/120:00:001
115172690,0sleep20-21swapper/222:21:302
307832640,1sleep121-21ksoftirqd/122:04:111
38392170,0sleep10-21swapper/122:10:241
38392170,0sleep10-21swapper/122:10:241
3085599150,14cyclictest11932-21perf20:45:003
30842991412,1cyclictest28-21ksoftirqd/220:15:002
30821991312,0cyclictest20381-21awk21:50:000
3082199123,4cyclictest7163-21perf23:50:000
3082199123,4cyclictest7163-21perf23:50:000
30842991110,1cyclictest28-21ksoftirqd/223:55:012
30842991110,1cyclictest28-21ksoftirqd/221:50:002
3082199112,4cyclictest3695-21cat23:45:000
30821991110,1cyclictest9-21ksoftirqd/000:15:000
3082199110,7cyclictest0-21swapper/020:05:160
3084299109,1cyclictest28-21ksoftirqd/222:00:002
3082199109,1cyclictest9-21ksoftirqd/022:45:000
3082199109,1cyclictest9-21ksoftirqd/021:25:000
3082199109,1cyclictest9-21ksoftirqd/019:30:000
9574290,0sleep00-21swapper/023:51:410
308559997,1cyclictest35-21ksoftirqd/320:20:003
308559990,1cyclictest0-21swapper/300:25:243
308219998,1cyclictest9-21ksoftirqd/022:30:000
308219998,1cyclictest9-21ksoftirqd/021:45:000
308219998,1cyclictest9-21ksoftirqd/020:50:000
308219997,1cyclictest9-21ksoftirqd/019:20:000
308219993,6cyclictest29062-21latency_hist23:35:000
308219990,4cyclictest0-21swapper/020:25:100
308559986,1cyclictest11301-21snmpd19:28:213
308429988,0cyclictest0-21swapper/219:50:122
308429987,1cyclictest28-21ksoftirqd/223:15:002
308429987,1cyclictest28-21ksoftirqd/222:50:132
308429987,1cyclictest28-21ksoftirqd/220:20:002
308429987,1cyclictest28-21ksoftirqd/220:00:002
308429987,1cyclictest28-21ksoftirqd/219:15:002
308429986,1cyclictest11301-21snmpd21:40:182
308429984,3cyclictest23724-21sh21:54:402
308429981,7cyclictest61650irq/122-eno121:18:412
308429980,7cyclictest28-21ksoftirqd/200:12:232
308429980,4cyclictest0-21swapper/200:05:202
308299986,1cyclictest14382sleep122:07:531
308299981,1cyclictest0-21swapper/123:59:351
308299981,1cyclictest0-21swapper/123:46:281
308299981,1cyclictest0-21swapper/123:46:281
308299980,4cyclictest0-21swapper/121:30:191
308219988,0cyclictest9-21ksoftirqd/021:40:010
308219988,0cyclictest9-21ksoftirqd/000:05:000
308219987,1cyclictest9-21ksoftirqd/023:00:120
308219987,1cyclictest9-21ksoftirqd/022:50:000
308219987,1cyclictest9-21ksoftirqd/020:35:000
308219987,1cyclictest733-21sshd19:39:540
308219986,1cyclictest11301-21snmpd20:38:560
308219985,1cyclictest240-21systemd-journal23:25:000
308219982,4cyclictest8463-21kworker/u8:222:08:450
308219981,3cyclictest24108-21diskmemload00:17:190
308219980,3cyclictest0-21swapper/019:45:130
308219980,3cyclictest0-21swapper/019:40:110
308219980,3cyclictest0-21swapper/019:40:110
308219980,1cyclictest0-21swapper/022:30:590
4276270,0sleep20-21swapper/222:10:422
4276270,0sleep20-21swapper/222:10:422
308559976,1cyclictest11301-21snmpd23:30:373
308559976,1cyclictest11301-21snmpd22:28:233
308559976,1cyclictest11301-21snmpd21:17:093
308559976,1cyclictest11301-21snmpd20:25:553
308559975,1cyclictest11301-21snmpd21:03:083
308559974,1cyclictest240-21systemd-journal22:35:003
308559970,6cyclictest30759-21ssh00:21:423
308559970,4cyclictest14521-21apt-get00:00:013
308429977,0cyclictest28-21ksoftirqd/221:15:002
308429976,1cyclictest61650irq/122-eno122:38:572
308429976,1cyclictest61650irq/122-eno122:31:322
308429976,1cyclictest61650irq/122-eno121:34:552
308429976,1cyclictest31781-21latency_hist00:25:002
308429976,1cyclictest28-21ksoftirqd/222:20:002
308429976,1cyclictest11301-21snmpd20:46:502
308429976,0cyclictest61650irq/122-eno121:36:152
308429975,1cyclictest11301-21snmpd20:34:252
308429974,1cyclictest240-21systemd-journal21:10:002
308429973,2cyclictest24108-21diskmemload23:20:132
308429971,3cyclictest4324-21runrttasks22:59:092
308429970,6cyclictest31326-21apt-get22:05:112
308429970,1cyclictest0-21swapper/220:05:152
308299971,5cyclictest0-21swapper/119:49:151
308299970,6cyclictest0-21swapper/123:50:161
308299970,6cyclictest0-21swapper/121:40:451
308299970,6cyclictest0-21swapper/120:53:111
308299970,6cyclictest0-21swapper/119:10:151
308299970,5cyclictest0-21swapper/121:17:531
308219977,0cyclictest9-21ksoftirqd/000:05:000
308219976,1cyclictest9-21ksoftirqd/022:37:540
308219976,1cyclictest5382-21ssh00:31:570
308219976,1cyclictest27793-1kworker/u9:121:25:210
308219976,1cyclictest27793-1kworker/u9:121:25:210
308219976,1cyclictest11301-21snmpd21:54:010
308219976,1cyclictest11301-21snmpd00:22:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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