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2026-05-22 - 07:14
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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 Fri May 22, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2273621280,5sleep1634399cyclictest22:40:491
2526321180,0sleep40-21swapper/423:18:184
2526321180,0sleep40-21swapper/423:18:184
455121000,2sleep342-21ksoftirqd/319:05:123
97212860,1sleep10-21swapper/123:24:171
72332860,0sleep50-21swapper/523:35:585
66322850,1sleep50-21swapper/523:58:035
315302850,4sleep5636499cyclictest22:43:015
20622830,1sleep6681ktimersoftd/600:11:196
20622830,1sleep6681ktimersoftd/600:11:186
115762820,4sleep4636099cyclictest22:16:324
308732800,0sleep50-21swapper/521:16:385
73342790,1sleep00-21swapper/021:13:430
257412790,1sleep125740-21bash00:17:391
22612790,1sleep50-21swapper/523:05:145
22612790,1sleep50-21swapper/523:05:135
3902780,0sleep00-21swapper/022:07:290
247012780,1sleep30-21swapper/300:31:113
228502770,0sleep30-21swapper/300:29:263
13122770,0sleep50-21swapper/523:03:285
92682760,0sleep00-21swapper/023:07:170
92682760,0sleep00-21swapper/023:07:160
316712760,0sleep70-21swapper/722:58:177
274062760,0sleep00-21swapper/021:19:520
195662760,0sleep60-21swapper/621:34:416
148552760,1sleep70-21swapper/721:56:237
14832760,0sleep30-21swapper/300:19:483
220912750,0sleep60-21swapper/621:43:156
144312750,0sleep20-21swapper/223:10:552
39162740,0sleep60-21swapper/600:28:256
249962740,1sleep124991-21sshd00:05:441
299822730,0sleep70-21swapper/723:42:177
291752730,0sleep40-21swapper/423:47:204
224752730,0sleep20-21swapper/223:07:582
224752730,0sleep20-21swapper/223:07:582
201442730,1sleep10-21swapper/121:41:251
158562730,0sleep40-21swapper/420:35:114
14832730,0sleep30-21swapper/322:34:413
146402730,0sleep70-21swapper/722:42:067
126782730,0sleep60-21swapper/621:54:376
126782730,0sleep60-21swapper/621:54:376
109022730,1sleep4491rcuc/422:53:504
76032720,0sleep70-21swapper/722:26:287
313682720,0sleep40-21swapper/422:31:054
309862720,3sleep6637399cyclictest23:06:436
309862720,3sleep6637399cyclictest23:06:426
168652720,1sleep40-21swapper/423:39:594
136532720,0sleep2311rcuc/222:33:362
136192720,0sleep00-21swapper/000:37:250
133692720,0sleep20-21swapper/222:38:412
129722720,1sleep612973-21bash22:25:066
75192710,1sleep314004-1kworker/3:2H23:12:173
46642710,1sleep7761rcuc/721:45:407
277342710,1sleep30-21swapper/323:01:263
187162710,0sleep00-21swapper/023:16:150
187162710,0sleep00-21swapper/023:16:140
98972700,0sleep70-21swapper/722:38:307
72682700,0sleep00-21swapper/000:23:300
72682700,0sleep00-21swapper/000:23:300
286402700,0sleep40-21swapper/421:55:234
23222700,0sleep50-21swapper/522:04:145
23222700,0sleep50-21swapper/522:04:145
145902700,1sleep614589-21grep21:29:206
142662700,0sleep40-21swapper/421:44:334
126532700,0sleep70-21swapper/721:44:287
27352690,0sleep1231ktimersoftd/121:23:381
227322690,4sleep7637899cyclictest23:36:487
97792680,3sleep0633699cyclictest21:27:220
255142680,0sleep20-21swapper/221:41:432
120242680,0sleep70-21swapper/721:13:587
112702680,0sleep50-21swapper/521:12:125
310102670,0sleep30-21swapper/321:38:393
250412670,0sleep60-21swapper/622:08:476
15422670,1sleep560-21ksoftirqd/521:50:355
15422670,1sleep560-21ksoftirqd/521:50:355
61812660,3sleep6637399cyclictest23:13:556
188112660,0sleep00-21swapper/000:30:510
100422660,0sleep10-21swapper/100:21:561
100422660,0sleep10-21swapper/100:21:551
167742650,0sleep40-21swapper/400:13:494
167742650,0sleep40-21swapper/400:13:484
307292620,0sleep00-21swapper/023:35:290
96582600,0sleep60-21swapper/623:59:566
604826049,7sleep60-21swapper/619:09:096
584426049,7sleep00-21swapper/019:06:300
610225949,6sleep50-21swapper/519:09:485
609225948,7sleep40-21swapper/419:09:394
586025949,6sleep70-21swapper/719:06:457
151632590,0sleep30-21swapper/322:55:423
30002540,0sleep00-21swapper/023:49:240
178112520,0sleep20-21swapper/221:36:132
273002500,5sleep1634399cyclictest22:58:031
529824725,7sleep10-21swapper/119:05:271
609924131,6sleep20-21swapper/219:09:452
108932410,0sleep20-21swapper/200:00:002
304362290,1sleep1231ktimersoftd/122:05:381
290742250,1sleep50-21swapper/521:33:285
221432240,1sleep10-21swapper/100:25:551
176712240,1sleep30-21swapper/323:22:583
154802240,1sleep50-21swapper/523:10:585
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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