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2026-07-08 - 10:19
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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 all highest latencies:
System rack6slot5.osadl.org (updated Wed Jul 08, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22909986714552,4117cyclictest10130-21kworker/0:119:12:220
22909953372874,2459cyclictest10130-21kworker/0:119:15:280
2147264049,204sleep00-21swapper19:09:270
22909954733,454cyclictest32047-21strings21:45:590
22909949152,259cyclictest4285-21lldpd19:27:460
22909949132,445cyclictest11-21ksoftirqd/023:24:230
22909948834,440cyclictest2066-21ssh23:02:070
22909948834,440cyclictest15148-21diskmemload21:13:030
22909948734,439cyclictest27539-21ssh23:58:560
22909948734,439cyclictest19070-21ssh21:17:060
22909948734,439cyclictest15148-21diskmemload22:36:440
22909948635,438cyclictest20697-21ssh23:43:440
22909948634,439cyclictest15148-21diskmemload22:17:110
22909948633,440cyclictest4924-21runrttasks20:39:100
22909948633,439cyclictest15148-21diskmemload22:05:280
22909948632,440cyclictest3270-21ssh23:05:390
22909948533,439cyclictest6762-21strings20:45:420
22909948533,439cyclictest2603-21ssh21:52:220
22909948533,439cyclictest15148-21diskmemload22:10:270
22909948433,437cyclictest15148-21diskmemload00:18:580
22909948332,438cyclictest21941-21strings23:45:570
22909947834,430cyclictest15148-21diskmemload00:39:240
22909947531,431cyclictest13627-21awk21:05:190
22909946532,372cyclictest28107-21ssh21:36:510
22909946433,371cyclictest15148-21diskmemload00:03:030
22909942931,398cyclictest0-21swapper20:42:180
22909942352,312cyclictest11-21ksoftirqd/022:52:020
22909942329,88cyclictest13945-21ssh23:29:000
22909942242,366cyclictest0-21swapper00:33:350
22909941629,205cyclictest25515-21idleruntime-cro23:55:010
22909941155,341cyclictest15148-21diskmemload22:46:220
22909941034,363cyclictest4924-21runrttasks20:05:120
22909940948,347cyclictest8502-21grep20:50:340
22909940852,342cyclictest15148-21diskmemload00:05:250
22909940735,358cyclictest30374-21ssh21:41:460
22909940653,339cyclictest4547-21ssh21:56:180
22909940635,357cyclictest25793-21ssh22:43:510
22909940634,359cyclictest4924-21runrttasks19:20:590
22909940632,361cyclictest25377-21ssh21:31:070
22909940620,373cyclictest6922-21ssh23:13:000
22909940527,365cyclictest31836-21df22:56:160
22909940456,289cyclictest31220-21kworker/u2:100:11:060
22909940456,288cyclictest20522-21runrttasks19:55:460
22909940253,336cyclictest22936-21grep21:25:530
22909940241,361cyclictest0-21swapper00:24:490
22909940156,285cyclictest4224-21lldpd23:35:430
22909940032,355cyclictest18832-21ssh22:28:120
22909939954,284cyclictest14235-21cut19:40:140
22909939855,284cyclictest8712-21ssh00:28:140
22909939835,304cyclictest7429-21ssh22:03:000
22909939753,284cyclictest4924-21runrttasks19:51:180
22909939752,345cyclictest0-21swapper22:24:450
22909939654,282cyclictest20268-21ssh21:20:370
22909939542,340cyclictest15148-21diskmemload23:30:160
22909939516,379cyclictest0-21swapper19:46:320
22909939275,304cyclictest23126-21kworker/u2:323:16:150
22909939125,306cyclictest897-21jbd2/sda1-819:35:520
22909938934,341cyclictest15148-21diskmemload22:31:590
22909938835,340cyclictest29369-21munin-node20:20:250
22909938824,88cyclictest4924-21runrttasks20:33:520
22909938733,341cyclictest98282sleep020:55:330
22909938733,341cyclictest31451-21grep20:25:290
22909938649,277cyclictest223722sleep020:00:380
22909938632,340cyclictest4924-21runrttasks20:18:430
22909938552,160cyclictest25330-21mailstats20:10:130
22909938552,159cyclictest11738-21awk21:00:190
22909937826,292cyclictest10456-21munin-node19:30:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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