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2026-04-22 - 04:09
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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 Wed Apr 22, 2026 00:46:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278575123910,12sleep0101ksoftirqd/019:05:130
278842699382380,1cyclictest60471-21kworker/7:019:39:027
278840399382380,1cyclictest2804253-21kworker/4:020:21:034
2788403993820,381cyclictest2804253-21kworker/4:019:39:024
2788426993810,380cyclictest0-21swapper/723:48:037
2788426993810,1cyclictest0-21swapper/723:44:027
2788403993810,380cyclictest2989693-21kworker/4:223:06:034
2788403993810,380cyclictest0-21swapper/421:11:024
2788403993810,380cyclictest0-21swapper/420:50:024
278838999381380,1cyclictest2852375-21kworker/2:121:02:032
2788389993810,380cyclictest0-21swapper/221:08:032
2788389993810,380cyclictest0-21swapper/220:04:032
2788389993810,380cyclictest0-21swapper/219:52:022
278842699380378,2cyclictest2959597-21kworker/7:123:13:027
278842699380378,1cyclictest60471-21kworker/7:019:49:027
2788426993800,1cyclictest0-21swapper/721:46:027
278840399380379,1cyclictest2804253-21kworker/4:020:31:024
2788403993800,379cyclictest0-21swapper/420:25:034
2788403993800,0cyclictest0-21swapper/400:24:024
278838999380379,1cyclictest2746421-21kworker/2:220:06:022
2788389993800,379cyclictest0-21swapper/219:27:032
278842699379378,1cyclictest2837337-21kworker/7:121:03:037
278842699379378,1cyclictest0-21swapper/722:23:027
2788426993790,379cyclictest0-21swapper/722:46:027
278840399379378,1cyclictest2989693-21kworker/4:223:30:024
278840399379377,1cyclictest3079300-21kworker/4:100:13:024
278840399379377,1cyclictest2855377-21kworker/4:122:52:024
278842699378377,1cyclictest2959597-21kworker/7:122:34:027
278842699378377,1cyclictest0-21swapper/721:59:037
278842699378377,1cyclictest0-21swapper/719:25:037
278842699378377,1cyclictest0-21swapper/700:36:037
278842699378376,1cyclictest3014574-21kworker/7:223:59:027
278842699378376,1cyclictest2861114-21kworker/7:021:38:037
278842699378376,1cyclictest0-21swapper/720:58:037
278840399378377,1cyclictest2989693-21kworker/4:223:16:024
278840399378377,1cyclictest2804253-21kworker/4:020:49:024
278840399378376,2cyclictest2855377-21kworker/4:121:49:024
278840399378376,1cyclictest2989693-21kworker/4:223:12:024
278842699377376,1cyclictest2959597-21kworker/7:123:01:027
278842699377376,1cyclictest2952571-21kworker/7:022:29:037
278842699377376,1cyclictest2952571-21kworker/7:022:29:027
278842699377376,1cyclictest2837337-21kworker/7:120:51:027
278842699377376,1cyclictest0-21swapper/721:42:037
278842699377375,1cyclictest2907967-21kworker/7:222:09:027
278842699377375,1cyclictest2837337-21kworker/7:120:49:027
278842699377375,1cyclictest2813273-21kworker/7:220:15:027
278840399377376,1cyclictest2855377-21kworker/4:122:16:024
278842699376375,1cyclictest3014574-21kworker/7:223:26:027
278842699376375,1cyclictest0-21swapper/723:50:037
278842699376375,1cyclictest0-21swapper/719:56:027
278842699376374,1cyclictest3014574-21kworker/7:223:38:027
278841199376375,1cyclictest2761448-21kworker/5:122:19:025
278840399376375,1cyclictest2855377-21kworker/4:122:02:024
278840399376375,1cyclictest2855377-21kworker/4:121:36:034
278840399376375,1cyclictest2855377-21kworker/4:121:16:024
278840399376375,1cyclictest0-21swapper/421:40:034
278840399376375,1cyclictest0-21swapper/400:26:034
278842699375374,1cyclictest0-21swapper/720:40:027
278842699375374,1cyclictest0-21swapper/720:26:037
278842699375374,1cyclictest0-21swapper/720:07:027
278842699375373,1cyclictest2813273-21kworker/7:220:01:027
278840399375374,1cyclictest2855377-21kworker/4:122:38:034
278840399375374,1cyclictest0-21swapper/421:34:024
278840399375373,1cyclictest2989693-21kworker/4:200:17:024
278842699374372,1cyclictest3094085-21kworker/7:000:29:027
278842699374372,1cyclictest2907967-21kworker/7:221:50:027
278842699373372,1cyclictest3014574-21kworker/7:200:15:027
278842699373372,1cyclictest2861114-21kworker/7:021:28:027
278842699373371,1cyclictest2907967-21kworker/7:222:01:037
278840399373372,1cyclictest0-21swapper/419:21:034
278842699372370,1cyclictest0-21swapper/721:05:037
278840399372371,1cyclictest2804253-21kworker/4:020:10:024
278842699371369,1cyclictest60471-21kworker/7:019:44:027
278842699371369,1cyclictest60471-21kworker/7:019:30:027
278842699371369,1cyclictest2907967-21kworker/7:222:15:027
278840399371369,1cyclictest63798-21kworker/4:219:14:034
278842699370369,1cyclictest0-21swapper/719:22:037
278842699370369,1cyclictest0-21swapper/719:16:027
278842699370368,1cyclictest2813273-21kworker/7:220:22:037
278842699370368,1cyclictest2813273-21kworker/7:220:12:027
278840399370368,1cyclictest63798-21kworker/4:219:34:024
278840399369368,1cyclictest2804253-21kworker/4:020:36:024
278840399369368,1cyclictest2804253-21kworker/4:019:42:024
278840399369368,1cyclictest0-21swapper/420:44:024
278840399368367,1cyclictest0-21swapper/420:18:024
278841199366365,1cyclictest2761448-21kworker/5:122:07:035
278841199366364,2cyclictest2761448-21kworker/5:123:41:025
278841199365363,1cyclictest3063740-21kworker/5:000:19:025
278841199364363,1cyclictest2761448-21kworker/5:122:43:025
278841199364362,1cyclictest2761448-21kworker/5:121:53:025
278841199360359,1cyclictest2761448-21kworker/5:121:47:035
278841199359357,1cyclictest3063740-21kworker/5:000:03:035
278841199359357,1cyclictest2761448-21kworker/5:123:25:035
278841199358357,1cyclictest2761448-21kworker/5:121:31:025
278841199358356,1cyclictest2761448-21kworker/5:122:33:035
278841199358355,2cyclictest2761448-21kworker/5:122:21:025
278841199356355,1cyclictest2761448-21kworker/5:122:51:035
278841199356353,2cyclictest3063740-21kworker/5:000:23:025
278841199356353,2cyclictest2761448-21kworker/5:122:45:025
278841199356353,2cyclictest2761448-21kworker/5:121:15:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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