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2025-12-09 - 08:08
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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 Tue Dec 09, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263169910685553387,53375cyclictest0-21swapper23:53:070
263169910679953430,53304cyclictest3950irq/9-acpi23:39:430
263169910653853474,53064cyclictest0-21swapper00:16:030
263169910652853339,53174cyclictest25816-21ssh22:12:080
263169910650853473,53035cyclictest0-21swapper20:47:230
263169910650553424,53015cyclictest7977-21kworker/0:222:37:450
263169910648253462,53020cyclictest0-21swapper21:17:320
263169910647953460,53019cyclictest0-21swapper20:36:000
263169910647053453,53017cyclictest0-21swapper23:26:090
263169910645753440,53017cyclictest0-21swapper20:53:350
263169910643653395,53041cyclictest0-21swapper20:07:520
263169910643053436,52994cyclictest0-21swapper23:23:380
263169910643053394,53036cyclictest0-21swapper21:39:180
263169910641953389,53030cyclictest0-21swapper19:26:000
263169910636953470,52833cyclictest0-21swapper19:51:270
263169910630053467,52833cyclictest0-21swapper19:44:550
263169910625953387,52807cyclictest0-21swapper21:41:090
263169910621453479,52735cyclictest0-21swapper21:27:350
263169910618753418,52769cyclictest0-21swapper21:54:530
263169910616553405,52760cyclictest0-21swapper19:57:290
263169910615753443,52714cyclictest0-21swapper20:30:380
263169910615553445,52710cyclictest0-21swapper21:00:570
263169910614053441,52699cyclictest0-21swapper21:08:390
263169910610253017,53083cyclictest0-21swapper23:55:570
263169910591152985,52924cyclictest32623-21ssh00:32:080
263169910511053009,52099cyclictest0-21swapper22:43:370
263169910510153007,52092cyclictest0-21swapper22:06:360
263169910507952970,52107cyclictest0-21swapper22:49:580
26316995333927,53312cyclictest0-21swapper23:04:430
26316995329726,53271cyclictest0-21swapper22:16:090
26316995329224,53174cyclictest0-21swapper20:04:210
26316995316328,53135cyclictest0-21swapper21:34:170
26316995306424,53040cyclictest0-21swapper23:31:100
2631699530238,53013cyclictest0-21swapper23:17:160
26316995295227,0cyclictest0-21swapper20:16:240
263169925111092,1295cyclictest10499-21ssh00:02:190
263169924191052,1273cyclictest5350irq/9-uhci_hcd:22:30:230
263169923071037,1145cyclictest25867-21ssh00:23:250
263169923061024,1183cyclictest1911-21snmpd20:24:260
263169922871065,1100cyclictest0-21swapper21:49:510
263169922511045,1084cyclictest0-21swapper00:14:430
26316992202998,1159cyclictest9-21ksoftirqd/023:46:050
26316992109999,987cyclictest11245-21diskmemload23:08:040
263169921021025,985cyclictest6917-21kworker/u2:021:12:000
263169920901003,964cyclictest11245-21diskmemload22:00:040
263169920641023,1008cyclictest0-21swapper23:41:430
26316992046999,1012cyclictest5535-21ssh00:40:000
26316992017990,989cyclictest814-21ssh22:22:100
263169919931053,841cyclictest1911-21snmpd20:44:220
263169919401008,806cyclictest22903-21ssh22:51:290
26316991858881,963cyclictest0-21swapper23:12:450
263169918551004,815cyclictest20783-21ssh21:21:530
263169917221084,638cyclictest0-21swapper20:10:320
263169917041071,633cyclictest0-21swapper22:56:100
26316991695846,832cyclictest30105-21runrttasks19:18:380
263169916801089,591cyclictest0-21swapper19:22:290
26316991653946,686cyclictest133750irq/9-eth000:26:560
263169916501098,459cyclictest0-21swapper19:46:360
263169916271086,448cyclictest0-21swapper19:35:320
26316991579962,581cyclictest13922-21ssh21:55:430
26316991548948,564cyclictest4101-21ssh22:26:010
26316991531942,554cyclictest14108-21ssh00:07:110
263169915061015,427cyclictest0-21swapper20:28:580
263169914861002,418cyclictest0-21swapper19:31:010
263169914561051,405cyclictest0-21swapper20:56:160
263169914321040,392cyclictest0-21swapper19:11:050
24656255489,208sleep00-21swapper19:05:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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