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2026-01-11 - 03:24
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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 Sun Jan 11, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3291194993801,378cyclictest0-21swapper/700:25:037
3291194993800,2cyclictest3388526-21kworker/7:021:35:027
3291194993790,1cyclictest3388526-21kworker/7:022:01:037
329119499378377,1cyclictest0-21swapper/720:35:037
329119499378376,1cyclictest3593204-21kworker/7:119:19:027
329119499378376,1cyclictest3304019-21kworker/7:019:41:037
329119499377375,1cyclictest3304019-21kworker/7:020:29:027
329119499376375,1cyclictest3593204-21kworker/7:119:21:027
329119499376375,1cyclictest0-21swapper/721:24:037
329119499376374,1cyclictest3304019-21kworker/7:020:19:027
329119499375374,1cyclictest3304019-21kworker/7:020:53:027
329119499375374,1cyclictest3304019-21kworker/7:019:49:037
329119499375373,1cyclictest0-21swapper/721:12:027
329119499375373,1cyclictest0-21swapper/721:12:027
329119499375372,2cyclictest0-21swapper/719:13:037
329119499373372,1cyclictest3495782-21kworker/7:223:41:027
329119499373372,1cyclictest3485020-21kworker/7:122:53:037
329119499373371,1cyclictest3355148-21kworker/7:221:19:027
329119499373371,1cyclictest0-21swapper/723:20:027
329119499372371,1cyclictest3564986-21kworker/7:000:20:037
329119499372371,1cyclictest3388526-21kworker/7:021:32:027
329119499372370,1cyclictest0-21swapper/722:18:027
329119499372370,1cyclictest0-21swapper/720:21:027
329119499371370,1cyclictest0-21swapper/700:17:027
329119499371369,1cyclictest3388526-21kworker/7:022:23:027
329119499371369,1cyclictest3388526-21kworker/7:021:47:037
329119499370368,1cyclictest3495782-21kworker/7:223:35:027
329119499370368,1cyclictest3461884-21kworker/7:022:45:037
329119499369368,1cyclictest3564986-21kworker/7:000:36:027
329119499369368,1cyclictest3455346-21kworker/7:122:29:027
329119499369368,1cyclictest3388526-21kworker/7:021:50:027
329119499369368,1cyclictest0-21swapper/722:33:027
329119499369368,1cyclictest0-21swapper/721:29:027
329119499369367,2cyclictest3485020-21kworker/7:122:56:027
329119499369367,1cyclictest3564986-21kworker/7:000:09:027
329119499369367,1cyclictest3495782-21kworker/7:223:29:027
329119499369367,1cyclictest3495782-21kworker/7:223:02:027
329119499368367,1cyclictest0-21swapper/723:16:037
329119499367366,1cyclictest3455346-21kworker/7:122:37:027
329119499367366,1cyclictest3455346-21kworker/7:122:37:027
329119499367366,1cyclictest0-21swapper/722:08:037
329119499366365,1cyclictest3461884-21kworker/7:022:42:027
329119499366365,1cyclictest3349139-21kworker/7:120:45:027
329119499366365,1cyclictest0-21swapper/719:55:037
329119499365364,1cyclictest3388526-21kworker/7:021:59:027
329119499364362,1cyclictest3304019-21kworker/7:020:42:027
329119499364362,1cyclictest0-21swapper/720:31:037
329119499363362,1cyclictest0-21swapper/720:12:027
329119499363361,1cyclictest3304019-21kworker/7:019:36:037
329119499362361,1cyclictest0-21swapper/720:58:027
329119499362360,1cyclictest0-21swapper/720:02:027
329119499362360,1cyclictest0-21swapper/719:27:027
329119499361360,1cyclictest3304019-21kworker/7:020:08:027
329119499361360,1cyclictest0-21swapper/721:09:037
329118099360356,1cyclictest3368437-21kworker/5:123:57:035
329118099360356,1cyclictest3368437-21kworker/5:123:57:025
329118099359358,1cyclictest3368437-21kworker/5:122:39:025
329118099359358,1cyclictest3368437-21kworker/5:122:39:025
329118099359356,3cyclictest3368437-21kworker/5:100:19:025
329118099358357,1cyclictest3368437-21kworker/5:121:49:025
329118099358357,1cyclictest3368437-21kworker/5:121:33:035
329118099358357,1cyclictest3368437-21kworker/5:100:05:025
329118099358356,1cyclictest3368437-21kworker/5:122:55:035
329118099358354,1cyclictest3294108-21kworker/5:219:15:035
329118099357356,1cyclictest3368437-21kworker/5:121:27:035
329118099357356,1cyclictest3368437-21kworker/5:121:23:025
329118099357355,1cyclictest97550irq/166-enp0s3122:17:035
329118099356355,1cyclictest3368437-21kworker/5:123:07:025
329118099356354,1cyclictest97550irq/166-enp0s3123:23:035
329118099355354,1cyclictest3564864-21kworker/5:019:10:025
329118099355353,1cyclictest97550irq/166-enp0s3121:35:025
329118099355353,1cyclictest3368437-21kworker/5:123:03:025
329118099355352,3cyclictest3368437-21kworker/5:122:05:025
329115999355353,1cyclictest0-21swapper/221:33:032
329115999355353,1cyclictest0-21swapper/200:19:022
329118099354353,1cyclictest97550irq/166-enp0s3100:33:035
329118099354353,1cyclictest3368437-21kworker/5:122:51:025
329118099354351,3cyclictest3368437-21kworker/5:100:13:025
329118099354351,2cyclictest97550irq/166-enp0s3100:37:035
329115999354353,1cyclictest0-21swapper/222:17:032
329115999354352,1cyclictest3361174-21kworker/2:222:55:032
329118099353352,1cyclictest97550irq/166-enp0s3122:01:025
329118099353351,1cyclictest97550irq/166-enp0s3122:43:035
329118099353351,1cyclictest97550irq/166-enp0s3121:53:035
329115999353350,2cyclictest3503570-21kworker/2:000:37:022
329115999353350,1cyclictest0-21swapper/200:23:022
329118099352351,1cyclictest3340117-21kworker/5:020:40:035
329118099352350,1cyclictest97550irq/166-enp0s3123:49:025
329118099352350,1cyclictest97550irq/166-enp0s3122:21:035
329118099352350,1cyclictest97550irq/166-enp0s3121:55:025
329118099352350,1cyclictest97550irq/166-enp0s3121:43:025
329118099352350,1cyclictest97550irq/166-enp0s3120:05:025
329118099352350,1cyclictest3368437-21kworker/5:100:23:025
329115999352351,1cyclictest0-21swapper/223:05:022
329118099351350,1cyclictest97550irq/166-enp0s3123:13:025
329118099351350,1cyclictest3368437-21kworker/5:122:11:035
329118099351350,1cyclictest3368437-21kworker/5:100:00:025
329118099351350,1cyclictest3294108-21kworker/5:219:20:035
329118099351349,1cyclictest97550irq/166-enp0s3123:51:025
329115999351350,1cyclictest0-21swapper/222:43:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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