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2026-06-13 - 05:02
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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 Sat Jun 13, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320462990,0sleep10-21swapper/100:20:021
147012910,2sleep32499199cyclictest21:21:353
158492810,0sleep40-21swapper/423:09:094
213212750,0sleep20-21swapper/223:23:082
14512700,1sleep61452-21sshd00:23:596
101672620,1sleep010166-21id21:11:310
2454525948,8sleep30-21swapper/319:03:553
2454525948,8sleep30-21swapper/319:03:553
186562570,0sleep30-21swapper/323:24:533
317182560,0sleep20-21swapper/222:14:362
2484625644,9sleep70-21swapper/719:08:007
2484625644,9sleep70-21swapper/719:08:007
2484225443,8sleep50-21swapper/519:07:585
2484225443,8sleep50-21swapper/519:07:585
76742520,0sleep27668-21sshd21:45:532
325482510,0sleep00-21swapper/000:08:230
163942510,0sleep40-21swapper/400:24:534
144792510,1sleep014478-21sshd22:15:300
115982510,1sleep611600-21bash23:48:036
275432490,1sleep627542-21timerwakeupswit22:08:246
217202490,1sleep233-21ksoftirqd/221:27:432
135942490,0sleep60-21swapper/623:24:326
2483024836,8sleep20-21swapper/219:07:472
2483024836,8sleep20-21swapper/219:07:472
241362480,0sleep424134-21systemd-cgroups21:48:514
183712480,0sleep50-21swapper/500:07:405
114022480,0sleep40-21swapper/400:22:454
320562460,0sleep30-21swapper/321:26:243
2451924625,17sleep40-21swapper/419:03:324
2451924625,17sleep40-21swapper/419:03:324
147942460,0sleep20-21swapper/223:38:382
72292450,2sleep72501299cyclictest23:42:037
64572450,1sleep512091-21kworker/u16:521:17:135
294522450,0sleep70-21swapper/721:24:197
266132450,0sleep20-21swapper/222:29:342
228632450,0sleep60-21swapper/623:58:206
209562450,0sleep30-21swapper/323:40:553
164912450,0sleep70-21swapper/722:32:517
84072440,0sleep00-21swapper/021:15:230
186302440,1sleep1231rcuc/122:54:001
159592440,1sleep665-21ksoftirqd/621:17:546
300252430,0sleep20-21swapper/200:19:552
150472430,0sleep30-21swapper/323:55:533
150472430,0sleep30-21swapper/323:55:533
41682420,0sleep20-21swapper/223:34:052
2472224231,8sleep10-21swapper/119:06:181
2472224231,8sleep10-21swapper/119:06:181
236722420,0sleep00-21swapper/022:12:180
223862420,0sleep10-21swapper/121:52:411
173902420,1sleep7721-21dbus-daemon23:07:277
173902420,1sleep7721-21dbus-daemon23:07:277
154772420,0sleep7711rcuc/721:48:227
133302420,0sleep40-21swapper/423:01:324
133302420,0sleep40-21swapper/423:01:324
82672410,0sleep60-21swapper/622:01:356
254042410,2sleep22498799cyclictest21:58:262
227412410,0sleep70-21swapper/721:22:037
143892410,0sleep50-21swapper/523:03:255
143892410,0sleep50-21swapper/523:03:255
41882400,0sleep5561ktimersoftd/521:51:335
2476724028,9sleep60-21swapper/619:06:556
2476724028,9sleep60-21swapper/619:06:556
2472124029,8sleep00-21swapper/019:06:170
2472124029,8sleep00-21swapper/019:06:170
108722400,0sleep60-21swapper/621:28:516
313062390,0sleep10-21swapper/123:13:541
213742390,0sleep30-21swapper/300:09:393
9352380,0sleep20-21swapper/223:08:182
25003992415,6cyclictest57-21ksoftirqd/522:48:035
25003992216,4cyclictest57-21ksoftirqd/523:57:125
25003992216,4cyclictest57-21ksoftirqd/523:57:125
2498699224,6cyclictest2152-21grepconf.sh22:31:581
307452200,0sleep40-21swapper/422:54:434
25003992017,1cyclictest57-21ksoftirqd/500:27:375
2498699201,2cyclictest857-21polkitd00:24:071
169092200,1sleep773-21ksoftirqd/722:34:447
2500399198,6cyclictest57-21ksoftirqd/521:57:305
25003991917,1cyclictest57-21ksoftirqd/522:16:505
25003991916,3cyclictest57-21ksoftirqd/523:16:495
25003991915,3cyclictest57-21ksoftirqd/522:21:505
25003991914,1cyclictest57-21ksoftirqd/522:57:095
25003991913,3cyclictest57-21ksoftirqd/500:02:185
25003991910,4cyclictest57-21ksoftirqd/500:30:305
2500399190,1cyclictest0-21swapper/522:23:495
2500399185,2cyclictest57-21ksoftirqd/522:10:085
2500399185,1cyclictest57-21ksoftirqd/523:32:195
25003991817,1cyclictest57-21ksoftirqd/500:09:425
25003991816,1cyclictest57-21ksoftirqd/521:31:475
25003991816,1cyclictest57-21ksoftirqd/500:21:275
25003991815,2cyclictest57-21ksoftirqd/521:46:035
25003991814,3cyclictest57-21ksoftirqd/523:47:255
25003991814,3cyclictest57-21ksoftirqd/523:26:555
25003991812,4cyclictest57-21ksoftirqd/500:36:095
319582170,1sleep773-21ksoftirqd/723:57:017
319582170,1sleep773-21ksoftirqd/723:57:017
2500399176,5cyclictest857-21polkitd21:18:565
2500399176,3cyclictest57-21ksoftirqd/523:34:025
2500399176,1cyclictest57-21ksoftirqd/522:37:535
2500399173,1cyclictest57-21ksoftirqd/522:59:485
2500399173,1cyclictest57-21ksoftirqd/522:59:485
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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