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2026-04-16 - 22:48
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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 792 highest latencies:
System rack6slot5.osadl.org (updated Thu Apr 16, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3236599109555478,5463cyclictest29974-21kworker/0:012:00:420
3236599100225100,4899cyclictest26514-21kworker/0:210:48:050
323659999645284,4669cyclictest13041-21kworker/0:008:04:460
323659999095259,4639cyclictest13041-21kworker/0:008:09:520
323659995425074,4456cyclictest13041-21kworker/0:007:44:580
323659993794909,4459cyclictest13041-21kworker/0:007:59:500
323659992684642,4603cyclictest20500-21kworker/0:111:48:300
323659989904794,4172cyclictest19340-21kworker/0:109:21:400
323659989004562,4327cyclictest13041-21kworker/0:008:20:180
323659988724555,4306cyclictest13041-21kworker/0:007:16:180
323659987594382,4353cyclictest6081-21kworker/0:111:11:040
323659986484307,4326cyclictest13041-21kworker/0:008:18:550
323659985544400,4143cyclictest16391-21kworker/0:210:36:450
323659980184247,3756cyclictest13041-21kworker/0:008:36:010
323659979794061,3867cyclictest20500-21kworker/0:111:58:480
323659979094215,3678cyclictest29965-21kworker/0:109:47:040
323659978984124,3731cyclictest6081-21kworker/0:111:08:470
323659978784125,3739cyclictest7846-21kworker/0:209:11:320
323659978734230,3619cyclictest13041-21kworker/0:007:14:230
323659976724123,3535cyclictest7846-21kworker/0:209:04:400
323659976374086,3491cyclictest16391-21kworker/0:210:24:170
323659974743811,3622cyclictest16391-21kworker/0:210:27:380
323659974613853,3556cyclictest32456-21kworker/0:210:57:360
323659973893970,3368cyclictest13041-21kworker/0:007:21:530
323659972873861,3415cyclictest13041-21kworker/0:007:50:140
323659969973773,3182cyclictest13041-21kworker/0:008:52:520
323659969763746,3179cyclictest21227-21kworker/0:209:27:460
323659969663702,3253cyclictest7846-21kworker/0:209:06:160
323659969453746,3185cyclictest13041-21kworker/0:007:34:410
323659969153776,3128cyclictest13041-21kworker/0:007:27:440
323659968913626,3222cyclictest7846-21kworker/0:209:19:390
323659968363511,3311cyclictest2740-21kworker/0:009:59:140
323659967843616,3163cyclictest13041-21kworker/0:008:43:050
323659967173533,3133cyclictest13041-21kworker/0:007:48:480
323659966923613,3003cyclictest17683-21kworker/0:211:32:390
323659966553402,3210cyclictest10349-21kworker/0:010:15:510
323659966393403,3221cyclictest6758-21kworker/0:110:07:070
323659965843614,2959cyclictest13041-21kworker/0:008:48:410
323659965773457,3067cyclictest13041-21kworker/0:008:13:350
323659964933471,3018cyclictest13041-21kworker/0:007:36:070
323659962263387,2798cyclictest6926-21kworker/0:212:19:490
323659960813023,3017cyclictest17683-21kworker/0:211:35:270
323659960763104,2912cyclictest11419-21kworker/0:111:21:170
323659960703219,2836cyclictest26514-21kworker/0:210:44:230
323659960643423,2627cyclictest21227-21kworker/0:209:31:060
323659960543222,2818cyclictest301-21kworker/0:112:11:550
323659959833166,2766cyclictest7846-21kworker/0:208:58:280
323659958233135,2683cyclictest13041-21kworker/0:008:31:240
323659956513082,2517cyclictest21227-21kworker/0:209:37:470
323659953472740,2593cyclictest13041-21kworker/0:008:29:480
317922748186,204sleep00-21swapper07:05:540
323659945492,348cyclictest13-21rcuc/011:41:140
323659944762,88cyclictest27397-21ssh11:53:070
323659944734,352cyclictest2264-21ls12:10:010
323659944329,353cyclictest643-21kworker/u2:210:52:110
323659944031,347cyclictest13390-21diskmemload11:00:540
323659943469,304cyclictest13-21rcuc/011:26:100
323659942654,358cyclictest13390-21diskmemload09:41:550
323659942462,301cyclictest11-21ksoftirqd/011:16:030
323659941452,347cyclictest9041-21chrt12:21:130
323659941034,353cyclictest4272-21snmpd12:30:220
323659940834,313cyclictest10322-21mailstats10:10:130
323659940454,290cyclictest25466-21kworker/u2:010:32:210
323659940453,292cyclictest13390-21diskmemload10:00:410
323659940331,358cyclictest345450irq/10-yenta09:54:310
323659938753,274cyclictest11734-21rm12:27:330
323659938448,264cyclictest16596-21sh12:40:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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