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2026-04-12 - 06:21
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot2.osadl.org (updated Sun Apr 12, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2224625994845,2cyclictest2670961-21kworker/u16:0+events_unbound23:16:596
2224622994745,2cyclictest2438574-21kworker/u16:0+events_unbound21:17:215
2224622994643,2cyclictest2720061-21kworker/u16:2+events_unbound00:01:585
2224622994643,2cyclictest2400134-21kworker/u16:1+events_unbound21:36:595
222412924634,8sleep40-21swapper/418:58:574
2224627994439,4cyclictest650-21systemd-journal20:46:577
2224622994442,2cyclictest2493452-21kworker/u16:3+events_unbound21:50:075
2224625994340,2cyclictest2889231-21kworker/u16:3+events_unbound00:16:596
2224625994340,2cyclictest2889231-21kworker/u16:3+events_unbound00:11:586
2224622994341,2cyclictest2816844-21kworker/u16:3+flush-8:023:31:575
2224622994340,2cyclictest2493452-21kworker/u16:3+events_unbound21:28:475
2224622994240,2cyclictest2912657-21kworker/u16:4+events_unbound00:25:355
2224622994240,2cyclictest2720061-21kworker/u16:2+events_unbound00:09:595
2224622994240,2cyclictest2599928-21kworker/u16:1+events_unbound23:20:505
2224622994240,2cyclictest2400134-21kworker/u16:1+events_unbound21:35:185
22241232421,36sleep70-21swapper/718:58:527
2224622994139,2cyclictest2625349-21kworker/u16:2+events_unbound22:25:025
2224622994139,2cyclictest2625349-21kworker/u16:2+events_unbound22:17:275
2224622994139,2cyclictest2541773-21kworker/u16:2+events_unbound21:53:155
2224622994138,2cyclictest2438574-21kworker/u16:0+events_unbound21:06:585
2224625994038,2cyclictest2625349-21kworker/u16:2+events_unbound22:26:086
2224625994037,2cyclictest2720061-21kworker/u16:2+events_unbound23:41:586
2224622994038,2cyclictest2637360-21kworker/u16:4+events_unbound22:40:585
2224622994038,2cyclictest2599928-21kworker/u16:1+events_unbound22:06:085
2224622993937,2cyclictest2912657-21kworker/u16:4+events_unbound00:27:505
2224622993937,2cyclictest2720061-21kworker/u16:2+events_unbound23:37:305
2224622993937,2cyclictest2670961-21kworker/u16:0+events_unbound23:51:545
2224622993937,2cyclictest2670961-21kworker/u16:0+events_unbound22:33:075
2224625993836,2cyclictest2381418-21kworker/u16:4+flush-8:020:22:236
2224625993835,2cyclictest2670961-21kworker/u16:0+events_unbound22:37:076
2224622993836,2cyclictest2637360-21kworker/u16:4+events_unbound22:49:555
2224622993836,2cyclictest2637360-21kworker/u16:4+events_unbound22:27:255
2224622993836,2cyclictest2599928-21kworker/u16:1+events_unbound23:22:475
2224622993835,2cyclictest2670961-21kworker/u16:0+flush-8:023:57:075
2224622993835,2cyclictest2266393-21kworker/u16:2+events_unbound19:41:595
2224627993734,2cyclictest902-21dbus-daemon22:21:577
2224625993735,2cyclictest2599928-21kworker/u16:1+events_unbound22:34:076
2224625993735,2cyclictest2438574-21kworker/u16:0+flush-8:021:52:306
2224622993736,1cyclictest2599928-21kworker/u16:1+events_unbound22:07:075
2224622993735,2cyclictest2912657-21kworker/u16:4+events_unbound00:12:065
2224622993735,2cyclictest2599928-21kworker/u16:1+events_unbound22:59:025
2224622993735,2cyclictest2599928-21kworker/u16:1+events_unbound22:53:385
2224622993735,2cyclictest2438574-21kworker/u16:0+events_unbound21:16:075
2224622993734,2cyclictest2670961-21kworker/u16:0+events_unbound22:42:025
2224625993634,2cyclictest2541773-21kworker/u16:2+events_unbound21:41:566
2224625993634,2cyclictest2238443-21kworker/u16:0+events_unbound19:12:116
2224622993634,2cyclictest2817269-21kworker/u16:4+events_unbound23:44:075
2224622993634,2cyclictest2670961-21kworker/u16:0+events_unbound23:04:315
2224622993634,2cyclictest2599928-21kworker/u16:1+events_unbound23:30:305
222416823626,7sleep50-21swapper/518:59:305
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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