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2026-06-29 - 04:17
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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 376 highest latencies:
System rack6slot6 (updated Mon Jun 29, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
456899210101105437,104662cyclictest13264-21ssh00:26:140
45689910706053470,53494cyclictest8365-21diskmemload22:31:410
45689910669853447,53160cyclictest0-21swapper19:43:420
45689910666053443,53154cyclictest11-21rcu_preempt00:13:500
45689910666053443,53127cyclictest9-21ksoftirqd/020:04:080
45689910664553460,53088cyclictest25375-21ssh23:56:350
45689910657453414,53095cyclictest9-21ksoftirqd/021:47:280
45689910651353475,53038cyclictest0-21swapper23:25:360
45689910650653476,53030cyclictest0-21swapper00:24:530
45689910650653428,53016cyclictest3950irq/9-acpi19:53:250
45689910650353469,53034cyclictest0-21swapper23:37:000
45689910648953467,53022cyclictest0-21swapper21:12:380
45689910647053449,53021cyclictest0-21swapper00:08:390
45689910647053427,53043cyclictest0-21swapper23:52:440
45689910646553452,53013cyclictest0-21swapper20:23:240
45689910645653465,52991cyclictest0-21swapper19:56:560
45689910645653450,53006cyclictest0-21swapper21:38:360
45689910645153406,53045cyclictest0-21swapper23:24:260
45689910644753401,53046cyclictest0-21swapper22:25:090
45689910643553397,53038cyclictest0-21swapper23:31:080
45689910643453437,52997cyclictest0-21swapper20:43:300
45689910643053394,53036cyclictest0-21swapper23:03:200
45689910642753392,53035cyclictest0-21swapper20:11:510
45689910642553436,52989cyclictest0-21swapper21:59:010
45689910638753422,52899cyclictest4559-21cyclictest21:03:250
45689910630653443,52863cyclictest0-21swapper21:28:020
45689910625453405,52849cyclictest0-21swapper20:19:430
45689910622153475,52746cyclictest0-21swapper20:57:540
45689910621053468,52742cyclictest0-21swapper20:39:180
45689910620253407,52795cyclictest0-21swapper23:47:530
45689910619753464,52733cyclictest0-21swapper23:10:420
45689910619753433,52764cyclictest0-21swapper22:37:320
45689910619053478,52712cyclictest0-21swapper19:28:380
45689910618253409,52773cyclictest0-21swapper19:30:390
45689910616053440,52720cyclictest0-21swapper20:09:200
45689910614353439,52704cyclictest0-21swapper19:38:310
45689910613553390,52745cyclictest0-21swapper20:27:550
45689910613453389,52745cyclictest0-21swapper21:40:560
45689910595153412,52519cyclictest0-21swapper20:51:120
45689910584253390,52452cyclictest0-21swapper20:48:510
45689910579652990,52804cyclictest11109-21ssh22:49:060
45689910529153038,52251cyclictest0-21swapper22:19:470
45689910508752874,52207cyclictest15777-21sh23:42:510
4568995308227,53055cyclictest0-21swapper19:46:530
4568995308027,53053cyclictest0-21swapper21:05:060
45689925311061,1345cyclictest24839-21ssh23:09:120
45689924581024,1281cyclictest8365-21diskmemload22:04:530
45689924001015,1260cyclictest18620-21ssh22:11:450
45689923001091,1115cyclictest134850irq/9-eth022:08:040
45689922191033,1063cyclictest0-21swapper00:16:110
45689922091016,1067cyclictest8365-21diskmemload00:34:360
45689921771102,953cyclictest25795-21ssh22:22:480
45689921501049,1035cyclictest3950irq/9-acpi22:54:070
45689921411013,1090cyclictest8365-21diskmemload00:01:570
45689921251093,907cyclictest2099-21runrttasks21:19:300
45689921221010,1077cyclictest0-21swapper21:23:010
45689920761011,1030cyclictest0-21swapper21:54:300
45689920651011,1020cyclictest0-21swapper22:55:380
4568991910998,874cyclictest20437-21runrttasks00:37:070
45689918291072,690cyclictest5350irq/9-uhci_hcd:21:32:340
45689918291023,744cyclictest3950irq/9-acpi20:34:570
4568991749946,779cyclictest7164-21ssh22:42:540
45689914591097,362cyclictest0-21swapper23:17:040
45689914281081,347cyclictest0-21swapper19:24:070
4568991227611,612cyclictest21794-21hwlatdetect-tra19:15:540
4568991213604,607cyclictest19383-21hwlatdetect-tra19:13:240
1007226512,11sleep010357-21hwlatdetect-tra19:06:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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