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2026-05-16 - 14:37
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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 Sat May 16, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
68789910736953458,53815cyclictest24109-21diskmemload10:48:180
68789910672653342,53368cyclictest5119-21sh12:32:580
68789910672153403,53219cyclictest1907-21snmpd08:34:490
68789910659053464,53126cyclictest0-21swapper07:40:440
68789910655353423,53036cyclictest2099-21runrttasks10:44:070
68789910655353388,53075cyclictest0-21swapper11:16:360
68789910654453389,53090cyclictest0-21swapper07:26:500
68789910647153459,53012cyclictest0-21swapper07:46:560
68789910646453455,53009cyclictest0-21swapper08:36:200
68789910645653408,53048cyclictest0-21swapper07:22:190
68789910645253450,53002cyclictest0-21swapper11:56:580
68789910645253449,53003cyclictest0-21swapper10:04:050
68789910643753397,53040cyclictest0-21swapper07:50:270
68789910643653396,53040cyclictest0-21swapper08:25:370
68789910642153434,52987cyclictest0-21swapper11:25:190
68789910640753428,52979cyclictest0-21swapper09:11:100
68789910635553130,53215cyclictest0-21swapper12:11:520
68789910625553404,52851cyclictest0-21swapper10:07:360
68789910625153385,52803cyclictest0-21swapper12:23:050
68789910625153384,52802cyclictest0-21swapper08:51:540
68789910621753471,52746cyclictest0-21swapper10:56:500
68789910621453474,52740cyclictest0-21swapper08:02:400
68789910617553453,52722cyclictest0-21swapper09:53:120
68789910616953447,52722cyclictest0-21swapper09:00:070
68789910615753445,52712cyclictest0-21swapper10:31:430
68789910614653393,52753cyclictest0-21swapper11:42:540
68789910614453431,52713cyclictest0-21swapper08:47:230
68789910613553431,52704cyclictest0-21swapper12:19:240
68789910611253420,52692cyclictest0-21swapper09:34:370
68789910610753420,52687cyclictest0-21swapper07:34:420
68789910569152959,52730cyclictest21598-21ssh10:37:550
68789910514453047,52095cyclictest0-21swapper10:54:200
68789910513953020,52117cyclictest0-21swapper09:22:530
68789910506752941,52124cyclictest0-21swapper09:15:110
68789910504152948,52091cyclictest0-21swapper12:27:470
6878995365726,53631cyclictest0-21swapper12:03:400
6878995350427,0cyclictest0-21swapper09:27:350
6878995348124,0cyclictest0-21swapper10:21:300
6878995312825,53103cyclictest0-21swapper08:19:050
6878995301926,52900cyclictest0-21swapper11:08:440
68789946622641,2018cyclictest1741-21hald08:59:470
68789931471782,1356cyclictest1741-21hald11:53:170
68789924671018,1324cyclictest5825-21ssh11:47:350
68789924561053,1278cyclictest5065-21runrttasks08:22:460
68789924111101,1211cyclictest12552-21ssh09:39:180
68789922851075,1085cyclictest1907-21snmpd07:14:060
68789921421026,1078cyclictest27806-21sh11:32:510
6878992054999,1021cyclictest0-21swapper10:29:020
68789920121049,870cyclictest3950irq/9-acpi11:38:520
68789919931036,864cyclictest0-21swapper12:05:500
68789919791029,858cyclictest0-21swapper12:39:000
6878991958972,962cyclictest19849-21ssh11:20:470
68789919571015,849cyclictest0-21swapper08:06:210
6878991950962,965cyclictest0-21swapper10:14:080
68789919481013,843cyclictest0-21swapper07:19:080
68789919291035,874cyclictest3950irq/9-acpi09:41:180
68789919221068,762cyclictest0-21swapper07:58:290
68789919221065,762cyclictest0-21swapper08:11:430
68789917871084,637cyclictest3950irq/9-acpi09:07:490
68789917251021,668cyclictest1907-21snmpd07:39:030
68789917191022,605cyclictest9-21ksoftirqd/009:46:200
68789915381018,483cyclictest5661-21sh11:00:310
68789915281014,478cyclictest3261-21gnome-power-man11:12:250
6878991504695,799cyclictest0-21swapper09:55:120
6878991489684,802cyclictest0-21swapper10:16:590
68789914411091,350cyclictest0-21swapper08:44:320
5895256676,208sleep00-21swapper07:05:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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