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2026-04-08 - 09:39
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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 Wed Apr 08, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
306389910720453472,53634cyclictest30066-21ssh22:15:480
306389910683653436,53278cyclictest2099-21runrttasks22:02:240
306389910680453470,53244cyclictest30633-21cyclictest22:09:270
306389910674653415,53242cyclictest0-21swapper19:53:070
306389910670853459,53158cyclictest0-21swapper21:41:490
306389910670253455,53155cyclictest0-21swapper22:13:380
306389910670153455,53155cyclictest0-21swapper21:32:460
306389910664453417,53163cyclictest30633-21cyclictest23:30:100
306389910663153430,53111cyclictest9-21ksoftirqd/021:29:250
306389910653453451,53083cyclictest0-21swapper19:25:090
306389910653053481,52928cyclictest12912-21munin-node19:45:150
306389910651653474,53042cyclictest0-21swapper22:21:300
306389910651553477,53038cyclictest0-21swapper22:42:160
306389910651553426,53089cyclictest0-21swapper20:15:340
306389910650153470,53031cyclictest0-21swapper21:56:330
306389910648853444,53044cyclictest0-21swapper21:23:230
306389910647753461,53016cyclictest0-21swapper23:07:530
306389910643153436,52995cyclictest0-21swapper00:31:580
306389910641653426,52990cyclictest0-21swapper23:39:220
306389910634453453,52891cyclictest0-21swapper20:50:040
306389910628953389,52836cyclictest0-21swapper23:22:070
306389910628153384,52831cyclictest0-21swapper19:41:340
306389910624553455,52790cyclictest0-21swapper20:29:580
306389910623553479,52756cyclictest0-21swapper20:40:510
306389910620853470,52738cyclictest0-21swapper19:35:520
306389910620753445,52762cyclictest0-21swapper22:46:370
306389910618553455,52730cyclictest0-21swapper20:32:190
306389910618053456,52724cyclictest0-21swapper21:00:070
306389910616453403,52761cyclictest0-21swapper00:11:220
306389910616253444,52718cyclictest0-21swapper00:17:130
306389910615953445,52714cyclictest0-21swapper20:45:020
306389910615753441,52716cyclictest0-21swapper19:59:390
306389910615553428,52727cyclictest0-21swapper20:37:000
306389910614953443,52706cyclictest0-21swapper19:17:070
306389910614953440,52709cyclictest0-21swapper20:07:510
30638995386529,53712cyclictest25792-21ssh22:56:200
30638995343526,53409cyclictest0-21swapper21:15:510
30638995337726,53351cyclictest0-21swapper22:39:450
30638995325525,473cyclictest0-21swapper22:29:520
30638995324527,0cyclictest0-21swapper21:05:280
30638995312527,53098cyclictest0-21swapper20:58:260
30638995297427,207cyclictest3950irq/9-acpi19:10:050
306389925721089,1357cyclictest23005-21diskmemload22:52:490
306389924621065,1274cyclictest2099-21runrttasks23:27:290
306389924151036,1254cyclictest18158-21crond21:13:000
306389923041022,1244cyclictest15638-21diskmemload23:10:140
306389922931047,1120cyclictest4041-21ssh21:39:380
306389921541055,1008cyclictest127812sleep021:51:010
306389921391051,1022cyclictest134850irq/9-eth000:23:050
306389920921034,1024cyclictest0-21swapper00:38:390
306389920821018,1029cyclictest0-21swapper22:34:340
306389919921035,864cyclictest0-21swapper00:00:380
30638991960958,986cyclictest15638-21diskmemload23:54:070
306389919531019,899cyclictest0-21swapper19:20:480
30638991939919,985cyclictest4400-21ssh23:59:380
30638991930965,945cyclictest0-21swapper21:49:210
306389919231043,788cyclictest0-21swapper20:23:560
306389919071038,777cyclictest0-21swapper20:13:430
30638991885902,969cyclictest0-21swapper23:17:260
306389918811026,763cyclictest0-21swapper19:33:320
30638991774934,803cyclictest26422-21sh23:44:540
306389916031042,561cyclictest0-21swapper00:26:260
306389915891042,455cyclictest9-21ksoftirqd/020:00:090
30638991585962,589cyclictest134850irq/9-eth000:09:010
306389915801053,464cyclictest9-21ksoftirqd/023:04:320
306389915421048,430cyclictest9-21ksoftirqd/023:46:340
29801269877,208sleep00-21swapper19:05:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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