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2026-06-17 - 17:38
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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 792 highest latencies:
System rack6slot6 (updated Wed Jun 17, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1601699209931105449,104480cyclictest0-21swapper12:09:470
160169910729453474,53724cyclictest5478-21ssh10:51:040
160169910714653414,53638cyclictest777-21diskmemload11:54:530
160169910714153471,53579cyclictest7484-21kworker/u2:210:10:430
160169910713053473,53560cyclictest26991-21ssh11:23:540
160169910706453426,53546cyclictest0-21swapper11:30:460
160169910675353413,53249cyclictest0-21swapper08:35:550
160169910674353407,53245cyclictest0-21swapper08:15:400
160169910666253395,53267cyclictest0-21swapper12:23:010
160169910653653415,53121cyclictest0-21swapper07:39:390
160169910652553470,53055cyclictest0-21swapper07:47:210
160169910651553436,53079cyclictest0-21swapper10:08:320
160169910651453473,53041cyclictest0-21swapper10:28:380
160169910645753407,53050cyclictest0-21swapper11:38:580
160169910644253445,52997cyclictest0-21swapper08:34:450
160169910644153469,52972cyclictest0-21swapper11:09:500
160169910643853399,53039cyclictest0-21swapper09:12:360
160169910641953428,52991cyclictest0-21swapper07:23:550
160169910641453427,52987cyclictest0-21swapper09:00:430
160169910641153423,52988cyclictest0-21swapper12:14:380
160169910637853431,52851cyclictest1907-21snmpd09:52:070
160169910625953387,52807cyclictest0-21swapper07:54:440
160169910624953382,52804cyclictest0-21swapper08:46:390
160169910623753485,52752cyclictest0-21swapper10:45:030
160169910623253454,52778cyclictest0-21swapper09:09:350
160169910622753476,52751cyclictest0-21swapper08:09:580
160169910621653473,52743cyclictest0-21swapper07:26:150
160169910621253469,52743cyclictest0-21swapper11:57:230
160169910620953472,52737cyclictest0-21swapper07:16:230
160169910619353461,52732cyclictest0-21swapper08:58:320
160169910618453459,52725cyclictest0-21swapper08:52:200
160169910617553451,52724cyclictest0-21swapper08:27:130
160169910611853425,52693cyclictest0-21swapper08:04:060
160169910596852960,53005cyclictest29001-21ssh11:25:540
160169910576653296,52467cyclictest0-21swapper12:27:320
160169910515453055,52094cyclictest0-21swapper10:57:160
160169910509753002,52094cyclictest0-21swapper10:37:300
160169910507052925,52143cyclictest9332-21ssh12:33:140
160169910506852996,52070cyclictest0-21swapper12:04:360
160169910504952983,52064cyclictest0-21swapper11:15:520
16016995346125,0cyclictest0-21swapper07:44:000
16016995344427,53417cyclictest0-21swapper08:12:590
16016995342124,53397cyclictest0-21swapper11:14:410
16016995330025,0cyclictest0-21swapper09:55:080
16016995306525,53040cyclictest0-21swapper10:24:570
16016995303024,53006cyclictest0-21swapper09:33:520
160169922811065,1095cyclictest0-21swapper12:17:390
160169922561038,1097cyclictest0-21swapper09:17:370
160169922141029,1178cyclictest0-21swapper09:41:240
160169922011011,1093cyclictest23987-21ssh10:30:280
160169921801037,1106cyclictest7010-21ssh11:41:190
160169921411025,1082cyclictest3950irq/9-acpi10:41:420
160169920941076,893cyclictest27464-21ssh09:48:560
160169920531052,873cyclictest2277-21Xorg08:24:020
160169919811028,859cyclictest0-21swapper10:15:040
160169919141070,751cyclictest20266-1kworker/u3:009:38:540
160169918231089,670cyclictest3950irq/9-acpi09:22:090
160169917861075,711cyclictest0-21swapper12:35:340
160169917251050,675cyclictest0-21swapper07:57:040
16016991700992,669cyclictest13373-21ssh11:03:380
16016991614798,813cyclictest0-21swapper10:01:400
160169915591038,428cyclictest9-21ksoftirqd/011:48:310
160169915341071,463cyclictest0-21swapper09:27:200
16016991516687,826cyclictest0-21swapper07:13:420
160169914611093,368cyclictest0-21swapper07:30:370
160169914601092,368cyclictest0-21swapper08:40:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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