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2026-06-05 - 20:56
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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 highest latencies:
System rack6slot5.osadl.org (updated Fri Jun 05, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121539991544590,4541cyclictest30504-21kworker/0:110:42:000
121539987304545,4134cyclictest13394-21kworker/0:110:03:550
121539982554435,3806cyclictest27920-21kworker/0:209:21:310
121539978334094,3680cyclictest13394-21kworker/0:110:22:560
121539977734191,3568cyclictest13394-21kworker/0:110:06:500
121539976204006,3599cyclictest16756-21kworker/0:209:08:070
121539973393777,3539cyclictest13394-21kworker/0:110:25:180
121539972433829,3390cyclictest24916-21kworker/0:111:44:180
121539970513523,3513cyclictest12226-21kworker/0:111:14:180
121539969983674,3264cyclictest12833-21kworker/0:107:19:270
121539968363608,3213cyclictest24916-21kworker/0:111:53:000
121539966573505,3101cyclictest13784-21kworker/0:112:29:310
121539965163445,3056cyclictest19948-21kworker/0:111:28:170
121539964693509,2917cyclictest8243-21kworker/0:012:17:450
121539964363486,2899cyclictest16756-21kworker/0:209:04:150
121539964053280,3111cyclictest7828-21kworker/0:209:48:330
121539963793157,3207cyclictest24916-21kworker/0:111:56:270
121539963223497,2822cyclictest12833-21kworker/0:107:12:320
121539963043331,2914cyclictest30504-21kworker/0:110:39:590
121539962943219,3060cyclictest2845-21kworker/0:212:04:580
121539962403219,2977cyclictest2873-21kworker/0:210:59:480
121539962163433,2772cyclictest12833-21kworker/0:107:21:010
121539961403348,2733cyclictest2850-21kworker/0:209:34:020
121539960873160,2912cyclictest2850-21kworker/0:209:36:060
121539957213160,2546cyclictest27920-21kworker/0:209:19:290
121539953722702,2656cyclictest8243-21kworker/0:012:20:090
121539940562436,1605cyclictest19948-21kworker/0:111:30:180
121539939832300,1669cyclictest13784-21kworker/0:112:31:490
121539934572029,1404cyclictest7828-21kworker/0:209:50:310
121539922302162,45cyclictest2845-21kworker/0:212:07:220
118182862184,203sleep00-21swapper07:07:520
121539951618,436cyclictest21266-21cat09:00:050
121539950914,433cyclictest4894-21runrttasks08:54:210
121539950817,431cyclictest26931-21sshd09:14:300
121539949316,406cyclictest22544-31apt-config07:35:370
121539949018,402cyclictest10837-21sed11:05:410
121539948816,402cyclictest32638-21python09:26:230
121539948220,448cyclictest11996-21kworker/u2:009:57:280
121539948140,381cyclictest4253-21lldpd11:02:430
121539946742,364cyclictest388-31copy08:03:330
121539945630,364cyclictest2621-21latency_hist08:10:000
121539945317,421cyclictest18441-21rm11:22:570
121539945060,375cyclictest11190-21python08:30:550
121539944417,402cyclictest16199-21apt-get11:17:170
121539943765,87cyclictest5791-21ssh10:54:540
121539943764,359cyclictest24918-21diskmemload10:18:380
121539943215,394cyclictest29004-21sh10:31:580
121539943072,299cyclictest7771-21ssh09:44:580
121539942717,396cyclictest20872-21ssh10:14:560
121539942658,354cyclictest28587-21expr11:45:480
121539942615,396cyclictest26713-21munin-node07:45:560
121539942614,398cyclictest24608-21grep11:36:410
121539941855,293cyclictest14963-21kworker/u2:312:37:180
121539941414,339cyclictest20822-21iostat07:30:350
121539940314,327cyclictest8300-21ssh12:13:350
121539939239,294cyclictest11-21ksoftirqd/008:22:150
121539938934,340cyclictest15121-21cstates08:41:100
121539938438,346cyclictest0-21swapper08:35:440
121539938338,322cyclictest24918-21diskmemload10:49:200
121539938238,321cyclictest16878-21df08:46:070
121539938034,285cyclictest255842chrt07:44:300
121539938015,305cyclictest83250irq/14-ata_piix08:25:570
121539937933,286cyclictest45082sleep008:14:270
121539937534,341cyclictest0-21swapper08:18:260
121539937533,282cyclictest18958-21unixbench_singl07:25:360
121539936634,332cyclictest0-21swapper07:51:290
121539936433,271cyclictest3181-17udevd07:55:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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