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2024-02-22 - 05:53
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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.osadl.org (updated Thu Feb 22, 2024 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116469910746753397,53974cyclictest29053-21diskmemload00:16:520
116469910672553444,53281cyclictest0-21swapper22:14:060
116469910664353386,53192cyclictest0-21swapper20:25:450
116469910655953396,53097cyclictest0-21swapper00:13:310
116469910651253388,53034cyclictest0-21swapper20:45:310
116469910648453419,53065cyclictest0-21swapper00:01:370
116469910636353461,52838cyclictest9-21ksoftirqd/019:26:380
116469910630053454,52779cyclictest0-21swapper20:51:230
116469910628353400,52817cyclictest0-21swapper20:42:200
116469910616953061,53106cyclictest0-21swapper20:54:340
116469910616153404,52757cyclictest0-21swapper21:06:470
116469910614353047,53094cyclictest0-21swapper22:33:220
116469910609152996,53089cyclictest0-21swapper20:33:580
116469910586053056,52801cyclictest20663-21ssh22:26:400
116469910548852963,52519cyclictest32407-21ssh21:13:490
116469910537052913,52455cyclictest16868-21ssh22:21:180
116469910532553062,52253cyclictest0-21swapper00:05:390
116469910527252963,52306cyclictest13292-21chrt19:12:140
116469910523252941,52289cyclictest7159-21ssh22:53:180
116469910513353012,52119cyclictest0-21swapper00:27:550
116469910510252997,52103cyclictest0-21swapper23:50:240
116469910503952953,52081cyclictest0-21swapper22:35:120
116469910501852936,52080cyclictest0-21swapper19:57:170
11646995351225,0cyclictest0-21swapper21:01:150
11646995346625,399cyclictest0-21swapper23:09:020
11646995344725,0cyclictest0-21swapper23:37:300
11646995322627,438cyclictest0-21swapper20:00:180
11646995313814,53124cyclictest0-21swapper00:37:080
11646995312127,53094cyclictest0-21swapper22:01:230
11646995303125,53006cyclictest0-21swapper19:48:350
11646995293652922,12cyclictest7678-21ssh21:24:220
11646995291052884,21cyclictest0-21swapper21:22:110
11646995282628,52798cyclictest0-21swapper19:15:050
11646995282229,52793cyclictest0-21swapper19:52:460
116469944992504,1992cyclictest2577-21devkit-power-da22:56:190
116469928221737,1082cyclictest1772-21hald00:23:040
116469923391104,1134cyclictest20583-21kworker/u2:221:52:300
116469923391090,1156cyclictest21058-21kworker/0:123:17:450
116469922731073,1104cyclictest24963-21kworker/0:023:30:080
116469922131049,1157cyclictest0-21swapper21:44:380
116469922121024,1062cyclictest29053-21diskmemload23:03:510
116469921351069,1000cyclictest3950irq/9-acpi22:49:160
116469921131007,981cyclictest29053-21diskmemload21:34:150
116469920071065,847cyclictest2526050irq/9-eth021:57:420
116469919411068,778cyclictest3950irq/9-acpi00:30:260
116469919351064,804cyclictest2526050irq/9-eth023:27:480
116469919001087,688cyclictest1918-21snmpd20:18:530
116469918611047,722cyclictest0-21swapper22:16:170
116469918281055,647cyclictest1865-21automount19:38:220
116469918231007,796cyclictest3950irq/9-acpi23:22:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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