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2026-04-11 - 10:55
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot0.osadl.org (updated Sat Apr 11, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
391021530,2sleep0768099cyclictest21:20:020
592821450,1sleep50-21swapper/522:59:385
1531321420,0sleep70-21swapper/723:15:017
554921390,0sleep5581rcuc/522:21:235
554921390,0sleep5581rcuc/522:21:225
91021140,2sleep1768699cyclictest21:26:281
1814621060,0sleep10-21swapper/122:48:351
271882900,1sleep427181-21bash22:32:274
262762860,0sleep60-21swapper/621:22:496
321612840,1sleep40-21swapper/423:05:534
96802820,2sleep7771ktimersoftd/723:49:417
209402810,0sleep50-21swapper/523:41:535
209402810,0sleep50-21swapper/523:41:525
87902800,0sleep00-21swapper/022:58:040
77992780,2sleep60-21swapper/600:01:096
223452780,1sleep40-21swapper/423:53:384
260042770,1sleep40-21swapper/422:53:594
98882760,0sleep00-21swapper/000:33:090
291462760,0sleep40-21swapper/422:25:544
291462760,0sleep40-21swapper/422:25:544
298312750,0sleep00-21swapper/021:36:140
204432750,1sleep10-21swapper/123:40:121
204432750,1sleep10-21swapper/123:40:121
200572750,1sleep020051-21sshd22:00:330
243992740,0sleep00-21swapper/023:42:040
243992740,0sleep00-21swapper/023:42:030
180892740,0sleep10-21swapper/121:24:041
113702730,0sleep5581rcuc/523:36:245
113702730,0sleep5581rcuc/523:36:235
98682720,0sleep40-21swapper/422:49:514
312492720,0sleep70-21swapper/722:59:157
283652720,4sleep7772499cyclictest23:53:567
245272720,0sleep10-21swapper/100:16:591
198962720,1sleep219892-21sshd21:52:182
35642710,1sleep34854-1kworker/3:2H22:47:493
309532710,0sleep70-21swapper/721:44:377
301962710,0sleep20-21swapper/223:57:212
266512710,0sleep7761rcuc/722:35:427
51262700,0sleep10-21swapper/122:11:241
267922700,0sleep70-21swapper/721:34:287
224482700,0sleep50-21swapper/522:32:125
216592700,0sleep20-21swapper/221:14:192
174722700,0sleep50-21swapper/521:14:075
77512690,0sleep30-21swapper/322:16:313
241232690,0sleep00-21swapper/023:00:280
180562690,0sleep30-21swapper/322:28:423
180562690,0sleep30-21swapper/322:28:413
54652680,0sleep00-21swapper/021:31:400
271882680,0sleep30-21swapper/322:14:163
162342680,1sleep7771ktimersoftd/722:33:347
142092680,0sleep4491rcuc/423:29:574
23332670,1sleep20-21swapper/222:46:032
189732670,0sleep50-21swapper/523:05:155
55902640,1sleep30-21swapper/322:09:503
37812640,4sleep2769399cyclictest21:26:372
125592620,3sleep3769799cyclictest21:51:563
267072600,0sleep60-21swapper/621:17:536
267072600,0sleep60-21swapper/621:17:526
744925848,6sleep00-21swapper/019:09:520
315032560,1sleep631504-21bash22:04:326
38992550,1sleep13901-21bash22:51:071
731625444,6sleep50-21swapper/519:08:135
133592540,0sleep3411ktimersoftd/322:23:293
133592540,0sleep3411ktimersoftd/322:23:283
721225140,7sleep40-21swapper/419:06:524
719725039,7sleep60-21swapper/619:06:466
719225040,6sleep10-21swapper/119:06:411
151132470,0sleep40-21swapper/421:57:014
718724635,7sleep70-21swapper/719:06:397
725924231,7sleep30-21swapper/319:07:313
542024130,7sleep20-21swapper/219:05:052
204972280,1sleep50-21swapper/523:30:155
204972280,1sleep50-21swapper/523:30:145
214702240,0sleep221469-21bash22:32:102
271522230,1sleep3411ktimersoftd/321:46:023
239182230,0sleep2321ktimersoftd/221:21:002
106502230,6sleep233-21ksoftirqd/200:06:192
37802220,1sleep23781-21grepconf.sh22:24:402
37802220,1sleep23781-21grepconf.sh22:24:392
281022220,0sleep40-21swapper/422:10:554
276762220,1sleep3401rcuc/323:35:343
276762220,1sleep3401rcuc/323:35:333
246042220,1sleep6681ktimersoftd/623:58:456
173132220,4sleep7772499cyclictest23:58:227
170412220,1sleep5681-21dbus-daemon23:03:295
769399210,20cyclictest0-21swapper/222:02:112
7693992018,1cyclictest5701-21grepconf.sh21:59:532
769399200,19cyclictest0-21swapper/221:30:192
769399200,12cyclictest0-21swapper/219:50:122
56392200,0sleep50-21swapper/521:44:595
195222200,1sleep519516-21bash23:23:335
147382200,0sleep50-21swapper/521:20:315
769399190,12cyclictest0-21swapper/220:43:242
768099190,1cyclictest0-21swapper/019:31:200
72602190,0sleep60-21swapper/600:19:286
58382190,0sleep10-21swapper/122:01:301
311872190,1sleep2311rcuc/223:52:232
234962190,0sleep30-21swapper/321:30:563
184902190,1sleep618487-21sshd22:33:416
107362190,0sleep10-21swapper/100:12:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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