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2026-07-31 - 00:41
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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, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot6.osadl.org (updated Thu Jul 30, 2026 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122204623770,5sleep20-21swapper/207:05:282
122267899370369,1cyclictest1334747-21kworker/5:211:35:025
122264599369368,1cyclictest0-21swapper/107:23:021
122267899365364,1cyclictest1334747-21kworker/5:211:03:025
122267899364362,1cyclictest1334747-21kworker/5:210:13:025
122267899364362,1cyclictest1281812-21kworker/5:108:55:025
122267899363361,1cyclictest1334747-21kworker/5:212:25:025
122267899361359,1cyclictest1262608-21kworker/5:008:25:025
122267899360359,1cyclictest1307343-21kworker/5:209:25:025
122267899360358,1cyclictest1334747-21kworker/5:212:35:025
122267899360358,1cyclictest1229504-21kworker/5:208:15:025
122267899359358,1cyclictest1313613-21kworker/5:109:57:025
122267899359358,1cyclictest1313613-21kworker/5:109:57:025
122267899357356,1cyclictest1281812-21kworker/5:108:51:015
122267899356355,1cyclictest1334747-21kworker/5:210:23:025
122267899356355,1cyclictest1334747-21kworker/5:210:15:025
122267899356355,1cyclictest1313613-21kworker/5:109:37:025
122267899356354,1cyclictest1196972-21kworker/5:108:01:025
122267899356354,1cyclictest0-21swapper/511:50:025
122267899356354,1cyclictest0-21swapper/508:05:015
122267899356354,1cyclictest0-21swapper/507:56:025
122267899355354,1cyclictest1262608-21kworker/5:008:31:025
122267899355354,1cyclictest1262608-21kworker/5:008:31:025
122267899355354,1cyclictest0-21swapper/510:52:025
122267899355353,1cyclictest0-21swapper/508:40:015
122267899353352,1cyclictest1334747-21kworker/5:210:29:015
122267899353351,1cyclictest0-21swapper/511:29:025
122267899353351,1cyclictest0-21swapper/511:29:025
122267899353351,1cyclictest0-21swapper/511:05:025
122267899352351,1cyclictest1334747-21kworker/5:210:45:025
122267899352351,1cyclictest1313613-21kworker/5:109:52:025
122267899352351,1cyclictest1281812-21kworker/5:109:11:025
122267899352351,1cyclictest0-21swapper/507:51:025
122267899352350,1cyclictest1334747-21kworker/5:212:03:025
122267899352350,1cyclictest1196972-21kworker/5:107:15:025
122267899352350,1cyclictest0-21swapper/507:45:025
122267899351350,1cyclictest1334747-21kworker/5:212:13:025
122267899351350,1cyclictest1281812-21kworker/5:109:05:025
122267899351349,1cyclictest0-21swapper/510:05:025
122267899350349,1cyclictest1196972-21kworker/5:107:31:025
122267899350349,1cyclictest0-21swapper/507:29:025
122267899349348,1cyclictest1334747-21kworker/5:211:30:025
122267899349348,1cyclictest1334747-21kworker/5:211:21:015
122267899349348,1cyclictest1334747-21kworker/5:210:43:025
122267899349348,1cyclictest1334747-21kworker/5:210:35:025
122267899349348,1cyclictest1307343-21kworker/5:209:30:025
122267899349348,1cyclictest1196972-21kworker/5:107:35:025
122267899349347,1cyclictest1281812-21kworker/5:109:15:025
122267899348347,1cyclictest1334747-21kworker/5:212:05:025
122267899348347,1cyclictest1334747-21kworker/5:211:43:025
122267899348347,1cyclictest1334747-21kworker/5:210:57:025
122267899348347,1cyclictest1229504-21kworker/5:208:12:025
122267899348347,1cyclictest1196972-21kworker/5:107:43:025
122267899348346,1cyclictest1334747-21kworker/5:211:10:015
122267899348346,1cyclictest1281812-21kworker/5:109:20:025
122267899348346,1cyclictest0-21swapper/508:39:025
122267899348346,1cyclictest0-21swapper/508:21:025
122267899347346,1cyclictest1313613-21kworker/5:109:49:025
122267899347346,1cyclictest1281812-21kworker/5:109:03:025
122267899347345,1cyclictest1334747-21kworker/5:212:15:025
122267899346345,1cyclictest1334747-21kworker/5:211:47:025
122267899346345,1cyclictest1313613-21kworker/5:109:41:025
122267899346345,1cyclictest0-21swapper/507:10:025
122267899345344,1cyclictest1334747-21kworker/5:212:31:025
122267899345344,1cyclictest1334747-21kworker/5:211:59:025
122267899345344,1cyclictest1313613-21kworker/5:110:00:015
122267899344343,1cyclictest1334747-21kworker/5:212:21:025
122267899343342,1cyclictest0-21swapper/508:47:015
122267899342341,1cyclictest1334747-21kworker/5:211:19:015
122267899342341,1cyclictest1196972-21kworker/5:107:24:025
122267899340338,1cyclictest1334747-21kworker/5:210:30:015
122264599339338,1cyclictest0-21swapper/111:35:011
122264599334333,1cyclictest97550irq/166-enp0s3111:03:011
122264599333331,1cyclictest97550irq/166-enp0s3108:55:021
122264599332331,1cyclictest97550irq/166-enp0s3110:13:021
122264599331330,1cyclictest1412959-21kworker/1:212:25:021
122264599330328,1cyclictest97550irq/166-enp0s3109:25:011
122264599329328,1cyclictest97550irq/166-enp0s3108:25:021
122264599329327,1cyclictest97550irq/166-enp0s3108:15:021
122264599328327,1cyclictest97550irq/166-enp0s3112:35:011
122264599328327,1cyclictest0-21swapper/109:57:011
122264599328327,1cyclictest0-21swapper/109:57:011
122264599326325,1cyclictest0-21swapper/109:37:011
122264599326325,1cyclictest0-21swapper/108:51:021
122264599326324,1cyclictest1316285-21kworker/1:110:15:011
122264599325324,1cyclictest0-21swapper/108:31:021
122264599325324,1cyclictest0-21swapper/108:31:021
122264599325323,1cyclictest97550irq/166-enp0s3111:50:011
122264599325323,1cyclictest97550irq/166-enp0s3107:56:011
122264599324323,1cyclictest0-21swapper/110:23:021
122264599324323,1cyclictest0-21swapper/108:01:021
122264599324322,1cyclictest97550irq/166-enp0s3108:40:021
122264599324322,1cyclictest97550irq/166-enp0s3108:05:021
122264599323322,1cyclictest97550irq/166-enp0s3110:52:021
122264599323321,1cyclictest1316285-21kworker/1:110:29:011
122264599323320,2cyclictest0-21swapper/109:52:011
122264599322320,1cyclictest97550irq/166-enp0s3111:29:021
122264599322320,1cyclictest97550irq/166-enp0s3111:29:011
122264599321320,1cyclictest97550irq/166-enp0s3111:05:011
122264599321320,1cyclictest1277641-21kworker/1:109:11:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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