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2026-03-18 - 16:44
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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
Characteristics of all highest latencies:
System rack6slot6 (updated Wed Mar 18, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205059910701753396,53557cyclictest9-21ksoftirqd/012:06:140
205059910690553454,53387cyclictest9-21ksoftirqd/012:28:210
205059910674153407,53243cyclictest0-21swapper08:26:110
205059910667153456,53215cyclictest0-21swapper08:13:570
205059910659853445,53062cyclictest9-21ksoftirqd/011:23:520
205059910657253389,53089cyclictest0-21swapper11:03:260
205059910656253434,53128cyclictest0-21swapper10:37:390
205059910655153404,53147cyclictest0-21swapper11:43:180
205059910651753478,53039cyclictest0-21swapper11:49:390
205059910651753386,53039cyclictest0-21swapper07:14:000
205059910651353470,53043cyclictest0-21swapper10:30:060
205059910650753471,53036cyclictest0-21swapper10:08:400
205059910649153419,53072cyclictest0-21swapper09:22:270
205059910644953401,53048cyclictest0-21swapper12:33:420
205059910643153461,52970cyclictest0-21swapper07:51:010
205059910640353421,52982cyclictest0-21swapper08:18:390
205059910634753437,52910cyclictest0-21swapper08:04:350
205059910634153487,52788cyclictest5750irq/8-rtc007:48:000
205059910631453460,52788cyclictest0-21swapper07:41:080
205059910631053457,52788cyclictest0-21swapper08:52:080
205059910624353410,52741cyclictest0-21swapper11:18:200
205059910620453465,52739cyclictest0-21swapper09:01:110
205059910586053284,52576cyclictest0-21swapper08:30:520
205059910582153269,52503cyclictest0-21swapper08:24:300
205059910518153074,52105cyclictest0-21swapper10:25:550
205059910511753026,52089cyclictest0-21swapper09:26:180
205059910509052976,52112cyclictest0-21swapper09:33:000
205059910500152905,52091cyclictest0-21swapper12:14:060
20505995317226,384cyclictest0-21swapper07:15:510
20505995307027,53043cyclictest0-21swapper10:58:250
20505995301225,52922cyclictest0-21swapper12:04:140
20505995297452950,22cyclictest0-21swapper11:25:530
20505995293952915,22cyclictest0-21swapper09:45:440
20505995280425,52779cyclictest0-21swapper07:32:550
20505995277724,52753cyclictest0-21swapper12:22:090
20505995253816,52522cyclictest0-21swapper11:50:300
205059966013279,3284cyclictest1741-21hald10:51:230
205059927581089,1544cyclictest2904-21ssh10:40:290
205059924461077,1245cyclictest8211-21ssh09:13:440
205059922461093,1054cyclictest1907-21snmpd09:39:320
205059921731072,1003cyclictest1907-21snmpd07:37:270
205059921511095,966cyclictest3950irq/9-acpi09:44:530
205059920831071,919cyclictest20501-21cyclictest09:17:560
205059920581026,1011cyclictest0-21swapper11:39:060
205059920211027,927cyclictest3950irq/9-acpi09:57:070
205059920151033,886cyclictest0-21swapper10:46:010
20505991997962,1035cyclictest0-21swapper08:42:150
205059919591020,846cyclictest0-21swapper08:57:000
205059919571010,914cyclictest0-21swapper08:07:250
20505991948951,976cyclictest0-21swapper08:47:570
20505991935947,974cyclictest0-21swapper10:11:210
20505991903908,981cyclictest0-21swapper07:27:440
205059918671025,805cyclictest16646-21ssh12:37:230
205059918291088,649cyclictest10-21rcuc/009:52:050
20505991815855,946cyclictest0-21swapper08:36:340
205059917421095,647cyclictest0-21swapper11:07:370
205059916871023,664cyclictest0-21swapper10:18:130
205059916801016,573cyclictest20501-21cyclictest11:14:190
205059916631054,609cyclictest0-21swapper10:04:190
20505991561972,552cyclictest3348-21ssh12:17:470
205059915411077,399cyclictest9-21ksoftirqd/007:23:330
205059915001009,424cyclictest0-21swapper10:23:350
205059914911004,420cyclictest0-21swapper11:31:140
205059914661024,405cyclictest4909-21sshd09:07:330
205059914331080,353cyclictest0-21swapper11:57:520
205059913871016,371cyclictest0-21swapper07:55:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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