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2026-03-16 - 11:52
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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 Mon Mar 16, 2026 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2832821520,4sleep01092099cyclictest21:18:410
2087221400,0sleep620813-21sshd23:19:016
2340221250,0sleep60-21swapper/622:45:266
1979121190,1sleep219775-21bash23:46:302
504621170,0sleep40-21swapper/421:55:394
3037221040,0sleep30-21swapper/322:21:193
860321010,0sleep10-21swapper/122:27:581
154292910,0sleep50-21swapper/500:32:175
225022890,1sleep322500-21sshd21:58:033
135962870,0sleep00-21swapper/023:46:120
57062850,0sleep20-21swapper/223:35:082
60152840,0sleep20-21swapper/222:38:332
177672830,13sleep280250irq/25-eno1-rx-22:11:312
134742830,0sleep50-21swapper/523:03:215
98982810,0sleep70-21swapper/722:54:017
274082790,1sleep727407-21sshd23:14:447
96292780,1sleep1221rcuc/100:33:331
50802780,0sleep60-21swapper/600:37:556
109642780,1sleep10-21swapper/121:52:551
257712770,1sleep669-21ksoftirqd/622:59:216
257712770,1sleep669-21ksoftirqd/622:59:216
10512770,1sleep40-21swapper/422:59:434
10512770,1sleep40-21swapper/422:59:424
322122760,0sleep00-21swapper/023:31:450
309082760,0sleep70-21swapper/722:35:107
138012760,1sleep60-21swapper/623:03:226
134562760,2sleep50-21swapper/522:17:285
110812760,4sleep11092699cyclictest22:15:481
263732750,0sleep50-21swapper/522:30:195
200912750,0sleep30-21swapper/300:24:543
200912750,0sleep30-21swapper/300:24:543
99512740,0sleep40-21swapper/421:22:224
280772740,0sleep00-21swapper/021:50:390
241742740,0sleep30-21swapper/323:57:293
237842740,1sleep423782-21sshd21:38:164
237842740,1sleep423782-21sshd21:38:164
83572730,0sleep60-21swapper/623:10:436
67442730,0sleep70-21swapper/721:19:127
236482730,1sleep7771ktimersoftd/722:43:597
96182720,1sleep3401rcuc/321:22:213
78162720,0sleep10-21swapper/100:15:061
53432720,0sleep50-21swapper/523:10:345
96222710,1sleep00-21swapper/021:40:370
47612710,0sleep00-21swapper/022:53:460
260732710,0sleep70-21swapper/722:19:397
253492710,0sleep50-21swapper/500:11:175
152352710,0sleep10-21swapper/123:57:031
149242710,1sleep40-21swapper/422:14:314
98862700,0sleep00-21swapper/022:47:530
285722700,0sleep30-21swapper/323:33:083
87612690,0sleep70-21swapper/721:13:117
134452690,1sleep113433-21bash21:57:371
66282670,0sleep20-21swapper/200:01:122
14992660,0sleep20-21swapper/222:41:222
83402640,4sleep11092699cyclictest23:01:321
239542640,0sleep7761rcuc/700:06:387
13912640,2sleep080350irq/26-eno1-tx-00:02:310
111972630,0sleep10-21swapper/122:38:481
286572620,0sleep60-21swapper/600:31:226
1050426039,6sleep60-21swapper/619:07:336
1054925848,6sleep50-21swapper/519:08:035
128952550,0sleep60-21swapper/621:11:506
1063725443,7sleep00-21swapper/019:09:110
1053225039,7sleep70-21swapper/719:07:507
305682490,2sleep3664-21nscd21:47:453
305682490,2sleep3664-21nscd21:47:453
1035324939,6sleep40-21swapper/419:05:384
1048924434,6sleep20-21swapper/219:07:212
81002430,0sleep30-21swapper/322:58:303
81002430,0sleep30-21swapper/322:58:303
59942420,1sleep25991-21sshd23:24:252
1045424232,6sleep30-21swapper/319:06:493
1057224130,7sleep10-21swapper/119:08:241
1092099340,32cyclictest0-21swapper/022:42:050
1093999313,27cyclictest0-21swapper/300:17:413
1095699273,23cyclictest0-21swapper/620:02:006
165422260,0sleep40-21swapper/422:02:214
1092099264,21cyclictest0-21swapper/019:25:270
31172250,0sleep50-21swapper/523:15:075
311052250,4sleep11092699cyclictest21:38:381
311052250,4sleep11092699cyclictest21:38:371
1095199250,19cyclictest0-21swapper/500:40:005
3882240,0sleep50-21swapper/522:00:055
236702240,4sleep61095699cyclictest21:16:556
113932240,1sleep10-21swapper/122:44:571
1096799243,19cyclictest0-21swapper/721:02:447
1096799243,18cyclictest0-21swapper/700:01:567
1096799241,21cyclictest0-21swapper/720:42:137
1095699243,20cyclictest0-21swapper/620:50:186
1095699243,20cyclictest0-21swapper/620:50:176
1095699242,21cyclictest0-21swapper/620:20:126
1095699241,20cyclictest0-21swapper/620:34:346
1095699240,20cyclictest0-21swapper/621:01:386
1094599243,20cyclictest0-21swapper/421:29:364
1093999240,23cyclictest0-21swapper/323:20:153
1093399241,21cyclictest0-21swapper/219:51:582
3992230,0sleep5581rcuc/523:36:235
303222230,0sleep20-21swapper/223:10:152
1096799230,21cyclictest0-21swapper/723:06:457
1095699233,17cyclictest0-21swapper/623:48:496
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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