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2026-03-26 - 08:00
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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 50 highest latencies:
System rack6slot6 (updated Thu Mar 26, 2026 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
270889910673053470,53260cyclictest0-21swapper00:07:050
270889910667153403,53146cyclictest21835-21ssh21:54:370
270889910663953467,53172cyclictest0-21swapper22:56:250
270889910663953467,53172cyclictest0-21swapper22:20:040
270889910662653461,53165cyclictest0-21swapper19:26:240
270889910654653389,53092cyclictest0-21swapper22:19:040
270889910652253471,53051cyclictest0-21swapper21:21:380
270889910650853471,53037cyclictest0-21swapper00:31:320
270889910650453468,53036cyclictest0-21swapper21:33:210
270889910650253464,53038cyclictest0-21swapper22:37:490
270889910648753422,53065cyclictest0-21swapper23:54:110
270889910646953460,53009cyclictest0-21swapper23:20:520
270889910646653458,53008cyclictest0-21swapper22:27:260
270889910646353480,52983cyclictest0-21swapper20:57:000
270889910645553405,53050cyclictest0-21swapper21:12:050
270889910644453398,53046cyclictest0-21swapper19:45:100
270889910643553436,52999cyclictest0-21swapper22:01:590
270889910643053392,53038cyclictest0-21swapper22:06:200
270889910629553377,52854cyclictest5350irq/9-uhci_hcd:00:12:170
270889910628153433,52848cyclictest0-21swapper23:37:570
270889910627953429,52850cyclictest0-21swapper21:43:440
270889910626553446,52705cyclictest0-21swapper20:27:120
270889910626353424,52839cyclictest0-21swapper20:30:430
270889910625153478,52738cyclictest0-21swapper20:50:080
270889910624453474,52732cyclictest0-21swapper19:31:560
270889910623853410,52828cyclictest0-21swapper20:37:350
270889910623653410,52826cyclictest0-21swapper22:14:330
270889910621753399,52818cyclictest0-21swapper23:10:090
270889910615853401,52757cyclictest0-21swapper20:44:570
270889910615653441,52715cyclictest0-21swapper00:20:390
270889910613753440,52697cyclictest0-21swapper19:39:080
270889910579453335,52446cyclictest134850irq/9-eth021:56:480
270889910515753057,52095cyclictest0-21swapper23:30:550
27088995390353446,361cyclictest2099-21runrttasks19:59:140
27088995375329,53626cyclictest19911-21munin-node21:00:110
27088995359827,53571cyclictest0-21swapper20:09:070
27088995358127,0cyclictest0-21swapper20:02:350
27088995347053422,48cyclictest0-21swapper19:54:120
27088995346830,53346cyclictest9-21ksoftirqd/021:47:150
27088995345826,53337cyclictest9426-21kworker/0:023:16:000
27088995339525,0cyclictest0-21swapper23:25:230
27088995325525,0cyclictest0-21swapper20:19:500
27088995325219,0cyclictest0-21swapper21:18:570
27088995322227,53195cyclictest0-21swapper22:34:390
2708899523588,52347cyclictest30860-21ssh23:43:590
270889924121029,1255cyclictest3923-21ssh23:04:070
270889923991084,1222cyclictest0-21swapper00:00:030
270889922531091,1063cyclictest21102-21ssh00:16:380
270889922301016,1122cyclictest9986-21kworker/u2:022:43:010
270889922101059,1024cyclictest7598-21rm23:56:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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