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2026-04-22 - 10:47
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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 Apr 22, 2026 00:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133252231144,54sleep20-21swapper/219:05:572
133562202163,26sleep10-21swapper/119:06:201
115242196157,26sleep30-21swapper/319:05:053
134002194155,25sleep00-21swapper/019:06:550
214632750,0sleep10-21swapper/123:35:141
169012240,1sleep016900-21grep23:30:000
136202180,1sleep121-21ksoftirqd/122:00:021
13749991414,0cyclictest28-21ksoftirqd/222:39:382
13749991412,1cyclictest28-21ksoftirqd/223:30:112
311532130,1sleep335-21ksoftirqd/300:30:153
1374199130,13cyclictest0-21swapper/123:10:111
13759991211,1cyclictest35-21ksoftirqd/321:40:003
13749991211,1cyclictest28-21ksoftirqd/221:00:002
13749991211,1cyclictest28-21ksoftirqd/200:20:112
1374999120,12cyclictest0-21swapper/223:43:462
108662120,0sleep30-21swapper/322:38:533
1374999119,1cyclictest28-21ksoftirqd/223:05:152
13749991110,1cyclictest28-21ksoftirqd/221:32:242
1373399115,1cyclictest9307-21ssh00:00:220
1373399112,2cyclictest6769-21diskmemload21:17:190
1375999109,1cyclictest35-21ksoftirqd/320:25:193
1374999109,1cyclictest28-21ksoftirqd/222:45:142
1374999109,1cyclictest28-21ksoftirqd/222:40:132
1374999109,1cyclictest28-21ksoftirqd/221:25:192
1374999109,1cyclictest28-21ksoftirqd/219:35:002
13749991010,0cyclictest28-21ksoftirqd/223:10:202
13749991010,0cyclictest28-21ksoftirqd/200:35:352
1373399108,1cyclictest9-21ksoftirqd/019:45:000
1373399105,1cyclictest2170-21ssh23:51:350
1373399104,2cyclictest6769-21diskmemload23:19:320
1373399103,1cyclictest24818-21ssh23:40:110
1373399102,1cyclictest240-21systemd-journal21:10:000
1373399101,5cyclictest401-1kworker/u9:221:41:290
1373399100,7cyclictest4933-21ssh21:47:380
1373399100,0cyclictest0-21swapper/022:01:590
1373399100,0cyclictest0-21swapper/020:20:120
4312290,0sleep30-21swapper/300:37:573
137599998,1cyclictest35-21ksoftirqd/322:10:133
137499998,1cyclictest28-21ksoftirqd/222:50:122
137499998,1cyclictest28-21ksoftirqd/222:08:162
137499998,1cyclictest28-21ksoftirqd/221:47:332
137499998,1cyclictest28-21ksoftirqd/219:30:002
137499998,1cyclictest28-21ksoftirqd/200:05:152
137499997,1cyclictest28-21ksoftirqd/219:55:002
137499997,1cyclictest28-21ksoftirqd/219:40:002
137339992,3cyclictest22659-21apt-get00:20:110
137339990,8cyclictest0-21swapper/023:10:200
137339990,6cyclictest26685-1kworker/u9:023:55:100
137339990,6cyclictest14410-21ssh00:09:030
137339990,6cyclictest0-21swapper/022:16:400
137339990,1cyclictest0-21swapper/021:40:000
137339990,0cyclictest0-21swapper/022:12:500
137599987,1cyclictest35-21ksoftirqd/322:25:003
137599987,1cyclictest35-21ksoftirqd/321:45:003
137599987,1cyclictest20679-21cstates20:30:133
137599986,1cyclictest6769-21diskmemload23:39:363
137599986,1cyclictest35-21ksoftirqd/321:10:013
137599984,1cyclictest5925-21ssh22:30:433
137599980,7cyclictest7195-1kworker/u9:221:15:403
137599980,6cyclictest6769-21diskmemload21:10:143
137599980,4cyclictest17979-21df22:05:153
137599980,0cyclictest0-21swapper/323:40:143
137499988,0cyclictest28-21ksoftirqd/223:59:552
137499987,1cyclictest28-21ksoftirqd/223:49:172
137499987,1cyclictest28-21ksoftirqd/223:19:212
137499987,1cyclictest28-21ksoftirqd/222:56:302
137499987,1cyclictest28-21ksoftirqd/222:30:132
137499987,1cyclictest28-21ksoftirqd/222:20:132
137499987,1cyclictest28-21ksoftirqd/222:02:292
137499987,1cyclictest28-21ksoftirqd/221:41:232
137499987,1cyclictest28-21ksoftirqd/200:25:112
137499986,1cyclictest61650irq/122-eno123:50:152
137499986,1cyclictest61650irq/122-eno122:10:142
137499986,1cyclictest61650irq/122-eno100:00:212
137499986,1cyclictest28-21ksoftirqd/222:25:212
137499985,1cyclictest13527-21ssh21:16:522
137499980,1cyclictest0-21swapper/220:40:112
137419984,0cyclictest0-21swapper/121:34:561
137339987,1cyclictest31706-21ssh23:05:190
137339986,1cyclictest17998-21snmpd19:11:430
137339981,6cyclictest9-21ksoftirqd/021:21:020
137339981,6cyclictest5009-21latency22:30:160
137339980,7cyclictest19249-21awk22:05:230
137339980,7cyclictest13521-21ssh22:40:460
137339980,6cyclictest240-21systemd-journal22:29:550
137339980,5cyclictest19259-21aten2.4-expect22:50:100
137339980,1cyclictest0-21swapper/021:00:110
137339980,1cyclictest0-21swapper/021:00:110
137339980,0cyclictest6769-21diskmemload21:56:380
137599976,1cyclictest35-21ksoftirqd/323:30:003
137599976,1cyclictest35-21ksoftirqd/323:20:003
137599976,1cyclictest35-21ksoftirqd/323:00:013
137599976,1cyclictest35-21ksoftirqd/320:14:143
137599976,1cyclictest35-21ksoftirqd/319:35:003
137599976,1cyclictest17998-21snmpd23:11:123
137599975,1cyclictest35-21ksoftirqd/319:15:013
137599975,1cyclictest28692-21ssh23:00:453
137599975,1cyclictest17998-21snmpd20:39:493
137599974,1cyclictest240-21systemd-journal20:10:003
137599974,1cyclictest240-21systemd-journal20:10:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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