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2026-06-16 - 09:32
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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 rack3slot0.osadl.org (updated Tue Jun 16, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24884991210,120cyclictest31515-21kworker/0:623:12:510
116912930,0sleep20-21swapper/222:12:212
276922880,1sleep12489299cyclictest00:00:321
60982760,0sleep7711rcuc/721:41:267
24899997226,1cyclictest5357-21sshd23:12:522
24933996430,34cyclictest0-21swapper/623:12:516
294152530,0sleep029407-21sshd22:36:060
150592520,1sleep615060-21grepconf.sh23:30:506
124082520,0sleep40-21swapper/422:38:504
64532510,0sleep20-21swapper/222:17:422
2457225126,9sleep00-21swapper/019:05:290
57362490,0sleep20-21swapper/200:16:432
57362490,0sleep20-21swapper/200:16:432
199062490,1sleep719904-21grepconf.sh00:30:507
24919994848,0cyclictest28956-21kworker/4:323:12:524
100672480,1sleep110066-21sshd21:45:371
327412460,1sleep732742-21grep22:19:077
274402460,1sleep527439-21sshd22:13:125
24911994643,2cyclictest5217-21sshd23:12:513
241242460,0sleep70-21swapper/721:32:377
86252450,1sleep08628-21kthreadd23:49:420
307692440,1sleep449-21ksoftirqd/400:00:434
2472224431,9sleep70-21swapper/719:07:377
128572440,2sleep12489299cyclictest23:24:521
269572430,0sleep10-21swapper/122:32:141
245762430,0sleep00-21swapper/000:31:070
141232430,0sleep09-21ksoftirqd/000:20:580
73742420,0sleep70-21swapper/722:51:597
63382420,1sleep16324-21bash21:54:501
56062420,0sleep70-21swapper/723:24:267
281812420,0sleep00-21swapper/022:28:210
273002420,0sleep00-21swapper/000:04:160
262242420,0sleep40-21swapper/423:37:134
2453524230,9sleep30-21swapper/319:05:003
224112420,1sleep422414-21sshd23:50:344
176942420,0sleep40-21swapper/422:20:084
8302410,0sleep00-21swapper/021:12:280
289572410,0sleep20-21swapper/221:44:422
2441524129,8sleep60-21swapper/619:03:276
41912400,0sleep10-21swapper/123:16:431
2453424029,8sleep20-21swapper/219:04:592
2450524027,9sleep50-21swapper/519:04:385
2442324028,9sleep40-21swapper/419:03:334
2445623926,9sleep10-21swapper/119:04:021
2489299380,37cyclictest0-21swapper/123:12:511
192122380,0sleep30-21swapper/323:06:043
2492799360,35cyclictest4172-21kworker/5:123:12:515
79482350,0sleep1231rcuc/123:32:211
26592280,0sleep00-21swapper/022:43:590
45962250,0sleep70-21swapper/723:12:497
24884992515,9cyclictest9-21ksoftirqd/021:41:420
174772240,10sleep685150irq/25-em1-rx-022:39:086
2488499236,11cyclictest0-21swapper/023:03:200
316002220,0sleep331588-21sshd22:15:183
24933992116,4cyclictest464-21systemd-journal21:11:306
24884992115,5cyclictest9-21ksoftirqd/023:18:400
319622200,0sleep00-21swapper/023:53:110
24933992015,3cyclictest65-21ksoftirqd/622:30:306
2488499203,12cyclictest9-21ksoftirqd/021:58:480
2493399199,4cyclictest65-21ksoftirqd/600:00:386
24933991917,1cyclictest65-21ksoftirqd/622:35:446
24933991917,1cyclictest65-21ksoftirqd/600:18:026
24933991915,3cyclictest65-21ksoftirqd/622:15:126
2488499192,5cyclictest0-21swapper/023:43:120
24884991914,0cyclictest0-21swapper/019:09:150
121702190,1sleep449-21ksoftirqd/421:16:484
3822180,2sleep60-21swapper/621:18:036
2493399187,1cyclictest65-21ksoftirqd/600:31:456
2493399184,2cyclictest65-21ksoftirqd/623:18:156
24933991815,1cyclictest1844-21nfsd22:51:446
24933991814,4cyclictest65-21ksoftirqd/622:09:276
24933991812,3cyclictest65-21ksoftirqd/622:18:566
2493399180,2cyclictest65-21ksoftirqd/623:05:296
2488499187,5cyclictest0-21swapper/020:40:020
2488499187,0cyclictest0-21swapper/021:16:380
2488499184,11cyclictest709-21systemd-logind00:17:540
2488499184,11cyclictest709-21systemd-logind00:17:540
24884991813,0cyclictest0-21swapper/020:43:220
24884991813,0cyclictest0-21swapper/020:43:220
23582180,0sleep2756-21sshd22:06:042
2493399176,10cyclictest65-21ksoftirqd/623:35:146
2493399175,3cyclictest65-21ksoftirqd/621:35:466
2493399173,1cyclictest65-21ksoftirqd/600:05:276
24933991716,1cyclictest65-21ksoftirqd/621:51:556
24933991714,3cyclictest65-21ksoftirqd/621:54:446
24933991714,3cyclictest15-21kswork21:27:196
24933991714,1cyclictest65-21ksoftirqd/622:23:446
24933991714,1cyclictest65-21ksoftirqd/600:11:386
24933991713,3cyclictest464-21systemd-journal21:13:266
24933991712,3cyclictest65-21ksoftirqd/622:53:436
19452170,0sleep30-21swapper/321:23:363
184392170,0sleep30-21swapper/321:51:483
2493399169,5cyclictest65-21ksoftirqd/623:42:346
2493399166,3cyclictest65-21ksoftirqd/622:58:356
2493399166,1cyclictest65-21ksoftirqd/621:40:416
2493399166,1cyclictest65-21ksoftirqd/621:29:406
2493399165,1cyclictest65-21ksoftirqd/623:50:016
2493399163,1cyclictest65-21ksoftirqd/623:56:326
2493399162,3cyclictest65-21ksoftirqd/623:13:496
2493399162,3cyclictest65-21ksoftirqd/622:44:176
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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