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2026-06-26 - 02:07
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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 Jun 26, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45422211160,26sleep30-21swapper/319:09:173
44932204149,22sleep10-21swapper/119:08:371
42492200160,25sleep00-21swapper/019:05:280
43302199159,27sleep20-21swapper/219:06:302
107522580,0sleep20-21swapper/223:39:092
170362170,0sleep00-21swapper/019:30:190
135972160,0sleep00-21swapper/022:14:240
468699140,13cyclictest0-21swapper/223:20:132
467799130,1cyclictest0-21swapper/019:25:110
4697991210,1cyclictest10643-21load21:25:173
468699122,9cyclictest17026-21sed21:35:002
467899120,0cyclictest0-21swapper/119:15:111
467799120,0cyclictest0-21swapper/019:15:110
469799119,1cyclictest35-21ksoftirqd/321:54:593
4697991110,1cyclictest35-21ksoftirqd/300:20:143
4686991111,0cyclictest28-21ksoftirqd/200:22:462
4686991110,1cyclictest28-21ksoftirqd/223:13:272
468699110,7cyclictest240-21systemd-journal23:09:072
468699110,10cyclictest7061-21munin-node00:39:222
467799113,4cyclictest14947-21perf23:45:010
4677991110,1cyclictest9-21ksoftirqd/023:50:000
4677991110,1cyclictest9-21ksoftirqd/000:08:270
469799109,1cyclictest35-21ksoftirqd/322:25:163
469799109,1cyclictest16082-21sh21:32:403
4697991010,0cyclictest35-21ksoftirqd/323:00:113
468699109,1cyclictest28-21ksoftirqd/219:15:012
468699108,1cyclictest21116-21ssh22:24:272
467799109,1cyclictest9-21ksoftirqd/000:15:000
46979998,1cyclictest35-21ksoftirqd/323:30:173
46979998,1cyclictest35-21ksoftirqd/322:19:593
46979998,1cyclictest35-21ksoftirqd/321:45:203
46979998,1cyclictest35-21ksoftirqd/300:35:213
46979998,1cyclictest35-21ksoftirqd/300:10:003
46979997,1cyclictest35-21ksoftirqd/323:35:123
46979997,1cyclictest35-21ksoftirqd/323:15:173
46979993,5cyclictest29428-21cron00:05:003
46869998,1cyclictest28-21ksoftirqd/222:35:492
46869998,1cyclictest28-21ksoftirqd/221:35:152
46869998,1cyclictest28-21ksoftirqd/220:20:112
46869994,2cyclictest548-21systemd-logind22:05:212
46869990,8cyclictest22331-21perl22:25:162
46869990,0cyclictest0-21swapper/222:41:432
46779998,1cyclictest9-21ksoftirqd/023:40:000
46779998,1cyclictest9-21ksoftirqd/021:25:010
46779997,1cyclictest9-21ksoftirqd/021:05:000
46779997,1cyclictest9-21ksoftirqd/019:14:590
46779990,5cyclictest30405-21diskmemload22:51:090
46979988,0cyclictest35-21ksoftirqd/323:05:143
46979988,0cyclictest35-21ksoftirqd/321:40:153
46979987,1cyclictest35-21ksoftirqd/323:25:163
46979987,1cyclictest35-21ksoftirqd/322:45:013
46979987,1cyclictest35-21ksoftirqd/322:05:013
46979987,1cyclictest35-21ksoftirqd/320:20:003
46979987,0cyclictest35-21ksoftirqd/322:05:453
46979986,1cyclictest35-21ksoftirqd/323:50:193
46979986,1cyclictest11373-21cat22:10:153
46979983,1cyclictest30405-21diskmemload23:59:443
46869987,1cyclictest28-21ksoftirqd/223:52:292
46869987,1cyclictest28-21ksoftirqd/200:30:142
46869986,1cyclictest61650irq/122-eno123:25:142
46869986,1cyclictest61650irq/122-eno100:15:142
46869986,1cyclictest61650irq/122-eno100:11:402
46869986,1cyclictest28-21ksoftirqd/220:20:002
46869984,1cyclictest240-21systemd-journal23:45:012
46869983,2cyclictest240-21systemd-journal23:16:222
46869981,4cyclictest769-21lldpd21:53:202
46869980,6cyclictest32091-21kworker/u8:122:17:542
46869980,5cyclictest0-21swapper/221:25:112
46869980,4cyclictest32437-21taskset00:08:092
46869980,1cyclictest0-21swapper/223:55:112
46789980,3cyclictest0-21swapper/100:20:131
46779987,1cyclictest9-21ksoftirqd/022:06:010
46779982,0cyclictest30405-21diskmemload23:26:410
46779980,6cyclictest0-21swapper/021:45:040
46979977,0cyclictest35-21ksoftirqd/322:30:133
46979977,0cyclictest35-21ksoftirqd/300:30:413
46979977,0cyclictest35-21ksoftirqd/300:25:123
46979976,1cyclictest35-21ksoftirqd/322:15:143
46979976,1cyclictest35-21ksoftirqd/300:11:193
46979976,1cyclictest29779-21cat22:35:163
46979975,1cyclictest35-21ksoftirqd/322:55:153
46979975,1cyclictest35-21ksoftirqd/321:05:143
46979975,1cyclictest35-21ksoftirqd/320:50:123
46979975,1cyclictest35-21ksoftirqd/320:05:163
46979975,1cyclictest12634-21latency_hist19:25:003
46979972,4cyclictest35-21ksoftirqd/322:53:513
46979972,1cyclictest240-21systemd-journal21:10:003
46979970,4cyclictest0-21swapper/323:21:253
46869976,1cyclictest61650irq/122-eno121:49:442
46869976,1cyclictest61650irq/122-eno119:56:212
46869976,1cyclictest61650irq/122-eno100:03:332
46869976,1cyclictest28-21ksoftirqd/222:30:382
46869976,0cyclictest61650irq/122-eno121:15:172
46869976,0cyclictest61650irq/122-eno120:50:132
46869975,1cyclictest61650irq/122-eno122:52:462
46869975,1cyclictest61650irq/122-eno120:45:012
46869975,1cyclictest61650irq/122-eno120:05:112
46869975,1cyclictest5775-21ssh22:46:042
46869975,1cyclictest29429-21ntpq21:05:192
46869975,1cyclictest28-21ksoftirqd/220:25:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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