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2026-04-01 - 08:58
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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 01, 2026 00:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
349990499381379,1cyclictest3596100-21sh21:28:025
349988399381379,1cyclictest3548817-21kworker/2:120:46:022
349988399381379,1cyclictest3548817-21kworker/2:120:31:022
3499883993810,380cyclictest0-21swapper/219:55:022
3499883993810,380cyclictest0-21swapper/219:35:012
349988399380379,1cyclictest3509721-21kworker/2:019:33:022
349988399380379,1cyclictest3496728-21kworker/2:119:12:022
349988399380378,2cyclictest3521650-21kworker/2:220:17:022
3499883993800,379cyclictest0-21swapper/222:44:022
3499883993800,1cyclictest0-21swapper/223:54:022
3499883993800,1cyclictest0-21swapper/219:40:022
3499883993800,1cyclictest0-21swapper/219:40:022
349988399379378,1cyclictest3548817-21kworker/2:121:03:022
349988399379378,1cyclictest3521650-21kworker/2:219:54:022
349988399379378,1cyclictest3521650-21kworker/2:219:49:022
349988399379378,1cyclictest3509721-21kworker/2:019:29:022
349988399379378,1cyclictest3496728-21kworker/2:119:21:022
349988399379377,1cyclictest3521650-21kworker/2:220:21:022
3499883993790,0cyclictest0-21swapper/200:06:022
3499883993790,0cyclictest0-21swapper/200:06:012
349990499378376,1cyclictest0-21swapper/500:13:025
349988399378376,1cyclictest3548817-21kworker/2:120:52:022
349990499377376,1cyclictest3777891-21kworker/5:000:25:025
349990499377375,1cyclictest0-21swapper/522:00:025
349988399377376,1cyclictest0-21swapper/219:16:022
349990499376375,1cyclictest0-21swapper/523:08:025
349990499374373,1cyclictest0-21swapper/521:21:015
349990499373372,1cyclictest0-21swapper/522:06:025
349990499373372,1cyclictest0-21swapper/519:14:025
349990499373371,1cyclictest3576118-21kworker/5:123:00:025
349990499373371,1cyclictest0-21swapper/523:56:025
349990499372371,1cyclictest3576118-21kworker/5:121:43:025
349988999372370,1cyclictest0-21swapper/322:47:023
349990499371370,1cyclictest3576118-21kworker/5:121:16:025
349990499371370,1cyclictest0-21swapper/522:18:025
349990499371369,1cyclictest3576118-21kworker/5:123:33:025
349990499371369,1cyclictest3576118-21kworker/5:123:14:025
349990499371369,1cyclictest3576118-21kworker/5:122:31:025
349990499371368,2cyclictest3576118-21kworker/5:123:50:025
349990499369368,1cyclictest0-21swapper/520:25:025
349990499369367,1cyclictest3576118-21kworker/5:123:26:015
349990499369367,1cyclictest3576118-21kworker/5:122:11:015
349990499369367,1cyclictest0-21swapper/521:13:025
349990499368367,1cyclictest3576118-21kworker/5:122:22:025
349990499368366,1cyclictest0-21swapper/520:00:025
349990499367366,1cyclictest0-21swapper/522:38:025
349990499367366,1cyclictest0-21swapper/522:38:025
349990499367366,1cyclictest0-21swapper/519:53:025
349990499367365,1cyclictest3576118-21kworker/5:121:35:025
349990499367365,1cyclictest3463953-21kworker/5:220:30:025
349990499367365,1cyclictest0-21swapper/519:23:025
349990499366365,1cyclictest0-21swapper/521:07:025
349990499366365,1cyclictest0-21swapper/521:07:025
349990499366365,1cyclictest0-21swapper/521:01:025
349990499366364,1cyclictest3777891-21kworker/5:000:02:025
349990499366364,1cyclictest3576118-21kworker/5:123:39:025
349990499366364,1cyclictest3576118-21kworker/5:123:24:015
349990499366364,1cyclictest3576118-21kworker/5:122:27:025
349990499366364,1cyclictest0-21swapper/520:08:025
349990499366364,1cyclictest0-21swapper/519:47:025
349990499365364,1cyclictest3693041-21kworker/5:022:48:025
349990499365363,1cyclictest3777891-21kworker/5:000:30:025
349990499365363,1cyclictest3463953-21kworker/5:220:45:025
349990499365363,1cyclictest3463953-21kworker/5:220:40:025
349990499364363,1cyclictest0-21swapper/520:56:025
349990499364363,1cyclictest0-21swapper/519:30:025
349990499363362,1cyclictest3463953-21kworker/5:219:18:025
349990499363362,1cyclictest0-21swapper/520:39:015
349990499363362,1cyclictest0-21swapper/520:11:025
349990499363361,1cyclictest0-21swapper/520:16:025
349990499361359,1cyclictest3463953-21kworker/5:219:44:025
349990499361359,1cyclictest3463953-21kworker/5:219:44:025
349990499361359,1cyclictest3463953-21kworker/5:219:27:025
349990499359358,1cyclictest3463953-21kworker/5:220:54:025
349990499359358,1cyclictest3463953-21kworker/5:220:24:025
349990499359357,1cyclictest3463953-21kworker/5:219:57:025
349991899356354,2cyclictest3597069-21kworker/7:221:41:027
349991899355354,1cyclictest3659438-21kworker/7:222:28:027
349991899352351,1cyclictest3659438-21kworker/7:222:35:027
349991899352351,1cyclictest3659438-21kworker/7:222:35:027
349991899352350,1cyclictest3659438-21kworker/7:200:39:017
349991899352350,1cyclictest0-21swapper/721:23:027
349991899351348,2cyclictest3659438-21kworker/7:223:17:017
349991899351348,2cyclictest0-21swapper/721:27:027
349991899350349,1cyclictest3659438-21kworker/7:222:49:027
349991899350349,1cyclictest3659438-21kworker/7:200:31:017
349991899350349,1cyclictest0-21swapper/700:09:027
349991899350349,1cyclictest0-21swapper/700:09:027
349991899349348,1cyclictest3620179-21kworker/7:021:52:027
349991899349348,1cyclictest0-21swapper/721:49:027
349991899349347,1cyclictest3659438-21kworker/7:223:34:027
349991899349347,1cyclictest3620179-21kworker/7:022:03:027
349991899349347,1cyclictest3597069-21kworker/7:221:38:027
349991899348347,1cyclictest3659438-21kworker/7:222:33:017
349991899348347,1cyclictest0-21swapper/722:21:027
349991899348346,1cyclictest3659438-21kworker/7:222:58:027
349991899347346,1cyclictest0-21swapper/721:57:027
349991899346345,1cyclictest0-21swapper/723:55:017
349991899346345,1cyclictest0-21swapper/723:51:027
349991899346345,1cyclictest0-21swapper/723:29:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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