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2026-08-15 - 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
Characteristics of the highest latencies:
System rack6slot6 (updated Sat Aug 15, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16009910725353476,53685cyclictest0-21swapper21:19:130
16009910690953408,53501cyclictest0-21swapper20:26:180
16009910687353380,53427cyclictest7958-21kworker/0:222:34:550
16009910669653417,53216cyclictest1596-21cyclictest21:38:390
16009910665053439,53147cyclictest134850irq/9-eth021:22:040
16009910663853467,53171cyclictest0-21swapper19:53:180
16009910657553466,53109cyclictest0-21swapper22:55:010
16009910656153431,53130cyclictest0-21swapper21:10:510
16009910655953429,53130cyclictest0-21swapper21:01:480
16009910651953408,53111cyclictest0-21swapper00:26:270
16009910651353430,53083cyclictest0-21swapper20:55:060
16009910645053402,53048cyclictest0-21swapper21:45:410
16009910644353420,52926cyclictest1907-21snmpd20:17:550
16009910643853436,53002cyclictest0-21swapper21:30:260
16009910643553449,52986cyclictest0-21swapper23:09:550
16009910640253418,52893cyclictest0-21swapper23:18:070
16009910636153474,52887cyclictest0-21swapper21:43:300
16009910629253407,52821cyclictest9-21ksoftirqd/020:32:290
16009910628953439,52850cyclictest0-21swapper20:45:030
16009910626853462,52806cyclictest0-21swapper20:44:330
16009910626453425,52839cyclictest0-21swapper20:53:250
16009910625653444,52747cyclictest7654-21rm00:03:200
16009910622153468,52717cyclictest0-21swapper20:35:300
16009910616553405,52760cyclictest0-21swapper22:05:560
16009910615753401,52756cyclictest0-21swapper19:34:530
16009910579853312,52483cyclictest0-21swapper22:04:060
16009910541952962,52451cyclictest20198-21ssh23:34:520
16009910520953056,52150cyclictest10532-21ssh00:07:110
16009910515053048,52100cyclictest0-21swapper22:36:150
16009910514453038,52104cyclictest0-21swapper21:59:550
16009910511252981,52128cyclictest0-21swapper23:12:260
1600995395853397,561cyclictest0-21swapper20:22:570
1600995389153426,465cyclictest0-21swapper23:42:540
1600995383553398,437cyclictest0-21swapper00:23:460
1600995382953391,438cyclictest0-21swapper23:22:280
1600995370029,53580cyclictest9-21ksoftirqd/000:18:450
1600995369225,53574cyclictest0-21swapper21:08:100
1600995368553447,143cyclictest504-21ssh22:17:200
1600995347326,0cyclictest0-21swapper19:11:260
1600995309325,53030cyclictest0-21swapper22:46:080
1600995307326,53047cyclictest0-21swapper20:05:320
1600995305524,53031cyclictest0-21swapper23:51:070
1600995291325,52888cyclictest0-21swapper19:27:510
1600995278225,52757cyclictest0-21swapper19:37:240
16009951122758,2317cyclictest2679-21devkit-power-da19:58:100
16009924251098,1200cyclictest16414-21ssh21:53:030
16009923991084,1188cyclictest15039-21ssh00:14:430
16009922031070,1007cyclictest24725-21ssh22:53:200
16009921301032,999cyclictest18081-21rm22:43:370
16009921281052,951cyclictest1907-21snmpd00:38:500
16009920221034,894cyclictest1596-21cyclictest00:31:480
1600992000973,1027cyclictest0-21swapper20:03:510
16009919951036,866cyclictest0-21swapper22:28:430
16009919901035,861cyclictest0-21swapper19:41:050
16009919861032,862cyclictest0-21swapper19:24:300
1600991934981,915cyclictest29431-21sh22:11:580
16009919301036,773cyclictest0-21swapper20:12:240
1600991918916,978cyclictest0-21swapper23:04:530
1600991908930,943cyclictest0-21swapper23:47:360
16009918701039,793cyclictest4391-21ssh23:58:390
16009918421051,725cyclictest134850irq/9-eth022:20:100
16009917381078,660cyclictest0-21swapper23:28:100
16009916711039,533cyclictest3261-21gnome-power-man19:45:060
16009916051067,443cyclictest0-21swapper21:26:150
16009915611076,485cyclictest0-21swapper19:17:280
16009915431065,478cyclictest0-21swapper23:39:130
674268036,207sleep00-21swapper19:05:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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