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2026-04-27 - 08:30
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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 Mon Apr 27, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28769991070,106cyclictest2033-21kworker/7:322:44:487
60882910,0sleep26089-21sshd23:37:492
58182650,0sleep00-21swapper/023:20:170
28726996143,0cyclictest0-21swapper/022:44:490
2873899590,46cyclictest10912-21kworker/2:022:44:482
28764995822,35cyclictest17029-21sshd22:44:486
44002550,0sleep30-21swapper/323:39:423
180502540,0sleep60-21swapper/600:15:176
2835325125,9sleep40-21swapper/419:06:274
304922500,1sleep6721-21dbus-daemon21:36:516
245032490,1sleep224502-21bash22:52:392
2832324825,8sleep20-21swapper/219:06:092
204222480,0sleep10-21swapper/123:44:281
114312480,0sleep00-21swapper/022:17:450
114312480,0sleep00-21swapper/022:17:450
49902470,0sleep70-21swapper/722:53:337
279612470,0sleep70-21swapper/723:13:597
267672470,0sleep20-21swapper/221:23:252
261842450,1sleep52875899cyclictest23:17:415
251892450,0sleep60-21swapper/600:05:566
170122450,1sleep117014-21bash23:20:581
108302450,0sleep310828-21grepconf.sh21:43:203
75492440,0sleep30-21swapper/322:55:293
44442440,1sleep44445-21grepconf.sh23:53:124
288442440,0sleep2321ktimersoftd/223:14:022
288202440,0sleep10-21swapper/123:02:321
258822440,1sleep4758-21runrttasks22:29:594
19612440,0sleep00-21swapper/022:43:560
164042440,0sleep10-21swapper/122:06:171
93972430,0sleep30-21swapper/300:37:413
68452430,0sleep10-21swapper/121:54:321
2828424332,8sleep10-21swapper/119:05:361
221442430,0sleep00-21swapper/021:36:210
220822420,0sleep70-21swapper/723:44:347
215882420,0sleep30-21swapper/321:53:303
19112420,0sleep60-21swapper/621:57:576
28743994140,1cyclictest14088-21kworker/3:322:44:483
2848824129,8sleep70-21swapper/719:08:227
25372410,0sleep70-21swapper/721:52:217
184132410,2sleep32874399cyclictest21:55:063
144622410,0sleep30-21swapper/321:39:443
64442400,0sleep20-21swapper/222:59:202
2848124028,8sleep00-21swapper/019:08:150
2834124027,9sleep30-21swapper/319:06:183
2612024028,8sleep60-21swapper/619:04:536
91502390,0sleep70-21swapper/722:57:337
79432390,0sleep60-21swapper/622:03:586
2839223927,8sleep50-21swapper/519:07:005
111602390,0sleep20-21swapper/222:13:552
52992380,0sleep70-21swapper/721:22:107
140792380,1sleep32874399cyclictest23:34:293
44562370,0sleep50-21swapper/521:27:455
28733993736,1cyclictest15-21kswork22:44:491
2875899360,35cyclictest24105-21kworker/u16:222:44:495
40952340,1sleep54088-21sshd22:24:555
28746992827,1cyclictest24672-21kworker/4:122:44:494
15052220,2sleep3391rcuc/322:53:203
2875899210,10cyclictest308-21grep23:23:525
13672210,0sleep50-21swapper/521:48:355
2875899201,3cyclictest11317-21id23:34:185
2875899192,9cyclictest8884-21bash00:20:265
2875899190,1cyclictest0-21swapper/523:25:355
28733991917,1cyclictest25-21ksoftirqd/123:58:121
28733991915,1cyclictest25-21ksoftirqd/123:15:181
231592190,0sleep50-21swapper/523:40:405
2875899180,2cyclictest23400-21bash21:30:425
2875899180,17cyclictest22937-21sshd22:14:405
2875899180,1cyclictest0-21swapper/522:43:195
28733991814,3cyclictest25-21ksoftirqd/100:11:251
143582180,1sleep114356-21grepconf.sh23:38:201
2875899171,2cyclictest26140-21sshd23:11:575
2875899170,2cyclictest16344-21systemd22:31:155
2875899170,1cyclictest8261-21systemd-cgroups00:31:595
2875899170,1cyclictest14937-21sshd21:58:515
2875899170,1cyclictest0-21swapper/500:37:285
2875899170,1cyclictest0-21swapper/500:18:485
28733991715,1cyclictest25-21ksoftirqd/122:42:591
28733991715,1cyclictest25-21ksoftirqd/121:38:541
28733991712,3cyclictest25-21ksoftirqd/121:55:051
28733991711,3cyclictest25-21ksoftirqd/122:33:071
270442170,1sleep027043-21grep22:05:040
208272170,0sleep40-21swapper/422:50:334
195362170,1sleep4481ktimersoftd/421:49:384
164262170,0sleep30-21swapper/322:08:193
77002160,2sleep62876499cyclictest00:20:226
2875899161,2cyclictest32696-21systemd00:25:505
2875899160,9cyclictest0-21swapper/522:03:365
2875899160,1cyclictest13421-21sshd21:24:325
2875899160,1cyclictest0-21swapper/523:01:205
2875899160,1cyclictest0-21swapper/522:09:175
2873899160,0cyclictest0-21swapper/200:22:212
28733991615,1cyclictest25-21ksoftirqd/122:34:541
28733991615,1cyclictest25-21ksoftirqd/122:22:251
28733991615,1cyclictest25-21ksoftirqd/100:30:371
28733991614,1cyclictest25-21ksoftirqd/123:28:271
28733991614,1cyclictest25-21ksoftirqd/123:09:141
28733991614,1cyclictest25-21ksoftirqd/122:58:201
28733991614,1cyclictest25-21ksoftirqd/121:30:341
28733991614,1cyclictest25-21ksoftirqd/121:26:061
28733991612,3cyclictest25-21ksoftirqd/122:17:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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