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2026-04-07 - 04:11
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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 Tue Apr 07, 2026 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146131699381379,1cyclictest1707086-21kworker/7:023:42:027
146131699381379,1cyclictest1416643-21kworker/7:220:05:037
1461316993810,380cyclictest0-21swapper/720:54:027
1461316993810,380cyclictest0-21swapper/720:39:027
1461302993800,379cyclictest0-21swapper/523:43:035
146131699379377,1cyclictest1416643-21kworker/7:220:46:027
1461316993790,379cyclictest0-21swapper/720:17:027
1461316993790,0cyclictest0-21swapper/720:56:027
146130299379378,1cyclictest1713683-21kworker/5:123:59:025
146130299379378,1cyclictest0-21swapper/523:05:025
146130299379378,1cyclictest0-21swapper/521:36:035
146130299379377,1cyclictest0-21swapper/523:47:035
1461302993790,1cyclictest0-21swapper/522:08:025
146131699378377,1cyclictest1416643-21kworker/7:219:58:027
146131699378377,1cyclictest1416643-21kworker/7:219:43:027
146130299378376,1cyclictest1494937-21kworker/5:222:00:025
146131699377375,1cyclictest1416643-21kworker/7:219:36:027
146131699377375,1cyclictest1416643-21kworker/7:219:33:037
146131699377375,1cyclictest1416643-21kworker/7:219:14:027
146130299377376,1cyclictest1713683-21kworker/5:100:20:025
146130299377376,1cyclictest1494937-21kworker/5:222:51:025
146131699376375,1cyclictest1416643-21kworker/7:219:26:037
146131699376374,1cyclictest1416643-21kworker/7:221:04:027
146130299376375,1cyclictest1494937-21kworker/5:221:33:025
146131699375374,1cyclictest1416643-21kworker/7:219:24:027
146130299375374,1cyclictest0-21swapper/522:21:025
146130299375373,1cyclictest1713683-21kworker/5:100:12:025
146130299375373,1cyclictest0-21swapper/522:32:035
146130299375373,1cyclictest0-21swapper/522:10:025
146130299375373,1cyclictest0-21swapper/500:32:025
146130299375373,1cyclictest0-21swapper/500:29:025
146130299374373,1cyclictest1494937-21kworker/5:223:00:025
146130299374373,1cyclictest0-21swapper/522:39:025
146129599374373,1cyclictest1688841-21kworker/4:200:00:024
146130299373372,1cyclictest0-21swapper/523:53:025
146130299373372,1cyclictest0-21swapper/523:32:025
146130299373372,1cyclictest0-21swapper/520:24:025
146130299373372,1cyclictest0-21swapper/520:24:025
146130299373372,1cyclictest0-21swapper/500:06:025
146130299373371,1cyclictest1410517-21kworker/5:119:45:025
146130299372371,1cyclictest1494937-21kworker/5:222:55:025
146130299372371,1cyclictest0-21swapper/500:03:025
146130299371370,1cyclictest1494937-21kworker/5:223:11:025
146130299371370,1cyclictest1494937-21kworker/5:223:11:025
146130299371370,1cyclictest0-21swapper/520:58:025
146130299371370,1cyclictest0-21swapper/520:14:025
146130299371370,1cyclictest0-21swapper/520:02:025
146130299371370,1cyclictest0-21swapper/519:57:025
146130299371370,1cyclictest0-21swapper/519:21:025
146130299371370,1cyclictest0-21swapper/519:12:035
146130299371369,1cyclictest0-21swapper/521:02:025
146130299370369,1cyclictest0-21swapper/520:37:025
146130299370369,1cyclictest0-21swapper/520:16:035
146130299370369,1cyclictest0-21swapper/519:42:035
146130299368366,1cyclictest1410517-21kworker/5:119:32:025
146130299367366,1cyclictest1410517-21kworker/5:119:54:025
146130299364363,1cyclictest1410517-21kworker/5:119:27:025
146129599364363,1cyclictest0-21swapper/422:22:024
146129599363362,1cyclictest0-21swapper/422:42:024
146129599363361,1cyclictest1464223-21kworker/4:219:15:024
146129599362360,1cyclictest0-21swapper/400:05:034
146129599360359,1cyclictest0-21swapper/419:10:024
146129599360358,1cyclictest0-21swapper/422:19:024
146129599359358,1cyclictest1688841-21kworker/4:223:18:024
146129599359358,1cyclictest1522266-21kworker/4:022:25:024
146129599359358,1cyclictest0-21swapper/422:01:024
146129599359358,1cyclictest0-21swapper/421:47:024
146129599358357,1cyclictest1688841-21kworker/4:223:29:024
146129599358357,1cyclictest1522266-21kworker/4:023:13:024
146129599358357,1cyclictest1522266-21kworker/4:023:13:024
146129599358357,1cyclictest1522266-21kworker/4:022:11:024
146129599358357,1cyclictest0-21swapper/422:48:024
146129599358356,1cyclictest0-21swapper/423:07:034
146129599358356,1cyclictest0-21swapper/400:28:024
146129599357356,1cyclictest1522266-21kworker/4:022:57:024
146129599357356,1cyclictest0-21swapper/422:30:024
146129599357356,1cyclictest0-21swapper/421:44:024
146129599357356,1cyclictest0-21swapper/421:34:024
146129599356355,1cyclictest1585664-21kworker/4:221:57:024
146129599356354,1cyclictest0-21swapper/400:35:034
146129599356353,2cyclictest1522266-21kworker/4:022:35:034
146129599355354,1cyclictest1688841-21kworker/4:200:34:034
146129599355354,1cyclictest1688841-21kworker/4:200:14:024
146129599355354,1cyclictest0-21swapper/423:03:024
146129599354353,1cyclictest1522266-21kworker/4:021:21:034
146129599354353,1cyclictest1522266-21kworker/4:021:11:024
146129599354353,1cyclictest1464223-21kworker/4:219:55:034
146129599354353,1cyclictest0-21swapper/423:24:024
146129599354352,1cyclictest1522266-21kworker/4:021:54:034
146129599354352,1cyclictest1522266-21kworker/4:021:54:034
146129599353352,1cyclictest1688841-21kworker/4:223:46:024
146129599353352,1cyclictest1688841-21kworker/4:223:39:024
146129599353352,1cyclictest0-21swapper/421:17:024
146129599353352,1cyclictest0-21swapper/420:45:024
146129599353351,2cyclictest1688841-21kworker/4:200:23:024
146129599352351,1cyclictest0-21swapper/420:10:024
146129599352351,1cyclictest0-21swapper/419:40:024
146129599352351,1cyclictest0-21swapper/419:20:024
146129599351350,1cyclictest1464223-21kworker/4:220:40:024
146129599351350,1cyclictest0-21swapper/421:06:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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