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2026-04-29 - 07:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack4slot1.osadl.org (updated Tue Apr 28, 2026 21:16:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2926024270,3sleep10-21swapper/119:12:341
2926024270,3sleep10-21swapper/119:12:341
2926024270,3sleep10-21swapper/119:12:341
2973023900,4sleep20-21swapper/219:12:482
2973023900,4sleep20-21swapper/219:12:482
2973023900,4sleep20-21swapper/219:12:482
2899923140,2sleep30-21swapper/319:12:283
2899923140,2sleep30-21swapper/319:12:283
2899923140,2sleep30-21swapper/319:12:283
211321430,2sleep00-21swapper/020:52:160
211321430,2sleep00-21swapper/020:52:160
2942121240,1sleep012-21ksoftirqd/019:12:380
2942121240,1sleep012-21ksoftirqd/019:12:380
2942121240,1sleep012-21ksoftirqd/019:12:380
2150621120,3sleep00-21swapper/020:17:220
2150621120,3sleep00-21swapper/020:17:220
2150621120,3sleep00-21swapper/020:17:220
775321050,3sleep30-21swapper/321:06:543
775321050,3sleep30-21swapper/321:06:543
775321050,3sleep30-21swapper/321:06:543
2024821050,2sleep10-21swapper/120:12:331
2024821050,2sleep10-21swapper/120:12:331
804121020,3sleep28025-21/usr/sbin/munin21:07:212
804121020,3sleep28025-21/usr/sbin/munin21:07:212
51362940,1sleep012-21ksoftirqd/020:57:350
51362940,1sleep012-21ksoftirqd/020:57:350
27612930,2sleep12755-21find19:27:351
27612930,2sleep12755-21find19:27:351
27612930,2sleep12755-21find19:27:351
111892840,4sleep111191-21rm21:12:351
111892840,4sleep111191-21rm21:12:351
42692810,3sleep012-21ksoftirqd/019:32:240
42692810,3sleep012-21ksoftirqd/019:32:240
90172780,2sleep30-21swapper/321:07:353
90172780,2sleep30-21swapper/321:07:353
16542770,3chrt0-21swapper/319:27:133
16542770,3chrt0-21swapper/319:27:133
16542770,3chrt0-21swapper/319:27:133
48572750,2sleep121-21ksoftirqd/119:32:331
48572750,2sleep121-21ksoftirqd/119:32:331
124702750,2sleep30-21swapper/319:52:333
166292590,3chrt0-21swapper/020:02:350
166292590,3chrt0-21swapper/020:02:350
266912530,3sleep026656-21latency_hist20:32:100
62442510,3sleep10-21swapper/121:02:221
62442510,3sleep10-21swapper/121:02:221
62442510,3sleep10-21swapper/121:02:221
307702500,4chrt0-21swapper/319:17:243
307702500,4chrt0-21swapper/319:17:243
316062490,3chrt0-21swapper/020:42:310
316062490,3chrt0-21swapper/020:42:310
266492450,4sleep30-21swapper/320:32:103
216972400,2sleep20-21swapper/220:17:242
216972400,2sleep20-21swapper/220:17:242
216972400,2sleep20-21swapper/220:17:242
29778993823,7cyclictest31378-21xargs19:17:331
29778993823,7cyclictest31378-21xargs19:17:331
124982370,2chrt12500-21timerandwakeup19:52:351
29779993519,7cyclictest3155-21find20:52:332
138282350,3sleep00-21swapper/019:57:240
138282350,3sleep00-21swapper/019:57:240
144482330,3sleep121-21ksoftirqd/119:57:331
144482330,3sleep121-21ksoftirqd/119:57:331
2977999316,4cyclictest131rcu_preempt20:32:332
2977999316,4cyclictest131rcu_preempt20:32:332
29777993114,15cyclictest151rcuc/019:47:310
29777993114,15cyclictest151rcuc/019:47:310
29777993113,7cyclictest73-21kswapd019:52:340
29779993023,5cyclictest27-21ksoftirqd/219:22:322
29779993023,5cyclictest27-21ksoftirqd/219:22:322
29779993023,5cyclictest27-21ksoftirqd/219:22:322
29777993020,8cyclictest73-21kswapd020:52:330
29777993015,12cyclictest2758-21grep19:27:350
29777993015,12cyclictest2758-21grep19:27:350
29777993015,12cyclictest2758-21grep19:27:350
2977999292,4cyclictest131rcu_preempt19:47:312
2977999292,4cyclictest131rcu_preempt19:47:312
29778992910,8cyclictest3163-21grep20:52:341
29779992814,10cyclictest2755-21find19:27:342
29779992814,10cyclictest2755-21find19:27:342
29779992814,10cyclictest2755-21find19:27:342
29777992812,3cyclictest131rcu_preempt20:07:330
29777992812,3cyclictest131rcu_preempt20:07:330
29780992714,10cyclictest5582-21chrt20:59:263
29780992714,10cyclictest5582-21chrt20:59:263
29780992713,11cyclictest5081-21chrt19:33:003
29780992713,11cyclictest5081-21chrt19:33:003
29780992712,11cyclictest24552-21chrt20:24:453
29780992712,11cyclictest24552-21chrt20:24:453
2977999276,7cyclictest5323-21tail20:57:362
2977999276,7cyclictest5323-21tail20:57:362
2977999274,7cyclictest27-21ksoftirqd/220:07:332
2977999274,7cyclictest27-21ksoftirqd/220:07:332
29777992716,8cyclictest695-21runrttasks20:22:330
29777992716,8cyclictest695-21runrttasks20:22:330
29780992616,6cyclictest0-21swapper/319:27:343
29780992616,6cyclictest0-21swapper/319:27:343
29780992616,6cyclictest0-21swapper/319:27:343
29780992613,10cyclictest15034-21chrt20:01:333
29780992613,10cyclictest15034-21chrt20:01:333
29780992612,11cyclictest3492-21chrt20:52:473
29780992612,11cyclictest1780-21chrt20:50:143
29780992612,11cyclictest1780-21chrt20:50:143
29780992612,10cyclictest22167-21chrt20:17:333
29780992612,10cyclictest22167-21chrt20:17:333
29780992612,10cyclictest22167-21chrt20:17:333
2977999263,3cyclictest131rcu_preempt20:12:322
2977999263,3cyclictest131rcu_preempt20:12:322
29777992613,3cyclictest131rcu_preempt19:42:340
29777992613,3cyclictest131rcu_preempt19:42:340
29777992611,12cyclictest12-21ksoftirqd/021:02:320
29777992611,12cyclictest12-21ksoftirqd/021:02:320
29777992611,12cyclictest12-21ksoftirqd/021:02:320
29780992513,9cyclictest28277-21chrt20:33:383
29780992513,9cyclictest28277-21chrt20:33:383
29780992512,10cyclictest8923-21chrt19:43:003
29780992512,10cyclictest8923-21chrt19:43:003
29780992512,10cyclictest32327-21chrt20:45:233
29780992512,10cyclictest32327-21chrt20:45:233
29780992512,10cyclictest30274-21chrt20:39:213
29780992512,10cyclictest30274-21chrt20:39:213
29780992510,12cyclictest17160-21chrt20:07:123
29780992510,12cyclictest17160-21chrt20:07:123
2977999259,10cyclictest131rcu_preempt19:52:232
2977999258,7cyclictest27-21ksoftirqd/219:32:322
2977999258,7cyclictest27-21ksoftirqd/219:32:322
2977999257,3cyclictest131rcu_preempt20:37:332
2977999257,3cyclictest131rcu_preempt20:37:332
2977999252,3cyclictest131rcu_preempt20:47:342
2977999252,3cyclictest131rcu_preempt20:47:342
2977999251,5cyclictest27-21ksoftirqd/221:12:342
2977999251,5cyclictest27-21ksoftirqd/221:12:342
29779992510,12cyclictest131rcu_preempt20:22:332
29779992510,12cyclictest131rcu_preempt20:22:332
29777992517,6cyclictest12-21ksoftirqd/019:17:320
29777992517,6cyclictest12-21ksoftirqd/019:17:320
29780992411,8cyclictest102572sleep319:47:263
29780992411,8cyclictest102572sleep319:47:263
2977999246,8cyclictest131rcu_preempt20:43:042
2977999246,8cyclictest131rcu_preempt20:43:042
2977999240,3cyclictest131rcu_preempt19:37:342
2977999240,3cyclictest131rcu_preempt19:37:342
2977899248,7cyclictest131rcu_preempt20:27:331
29778992412,4cyclictest131rcu_preempt21:07:341
29778992412,4cyclictest131rcu_preempt21:07:341
2977799243,8cyclictest12-21ksoftirqd/019:37:240
2977799243,8cyclictest12-21ksoftirqd/019:37:240
29777992411,5cyclictest12-21ksoftirqd/020:38:310
29777992411,5cyclictest12-21ksoftirqd/020:38:310
145912240,3sleep00-21swapper/021:16:320
145912240,3sleep00-21swapper/021:16:320
29780992314,7cyclictest0-21swapper/319:37:343
29780992314,7cyclictest0-21swapper/319:37:343
29780992310,10cyclictest12124-21chrt21:13:253
29780992310,10cyclictest12124-21chrt21:13:253
2977999234,3cyclictest131rcu_preempt19:57:332
2977999234,3cyclictest131rcu_preempt19:57:332
29779992315,7cyclictest73-21kswapd021:02:332
29779992315,7cyclictest73-21kswapd021:02:332
29779992315,7cyclictest73-21kswapd021:02:332
2977999231,4cyclictest0-21swapper/220:27:352
2978099229,10cyclictest18638-21chrt20:07:573
2978099229,10cyclictest18638-21chrt20:07:573
29778992215,5cyclictest21-21ksoftirqd/120:57:341
29778992215,5cyclictest21-21ksoftirqd/120:57:341
29778992212,3cyclictest0-21swapper/120:22:311
29778992212,3cyclictest0-21swapper/120:22:311
2977899221,18cyclictest17797-21ls20:07:241
2977899221,18cyclictest17797-21ls20:07:241
2977799226,3cyclictest131rcu_preempt20:12:340
2977799226,3cyclictest131rcu_preempt20:12:340
2977799223,5cyclictest12-21ksoftirqd/021:07:330
2977799223,5cyclictest12-21ksoftirqd/021:07:330
2977799223,4cyclictest12-21ksoftirqd/019:22:320
2977799223,4cyclictest12-21ksoftirqd/019:22:320
2977799223,4cyclictest12-21ksoftirqd/019:22:320
195152220,3sleep30-21swapper/320:12:233
195152220,3sleep30-21swapper/320:12:233
71882211,3sleep10-21swapper/119:40:061
71882211,3sleep10-21swapper/119:40:061
2977999210,3cyclictest131rcu_preempt19:17:322
2977999210,3cyclictest131rcu_preempt19:17:322
29778992111,4cyclictest131rcu_preempt20:32:331
29778992111,4cyclictest131rcu_preempt20:32:331
29777992110,9cyclictest12-21ksoftirqd/020:32:330
29777992110,9cyclictest12-21ksoftirqd/020:32:330
29779992012,7cyclictest27-21ksoftirqd/219:42:342
29779992012,7cyclictest27-21ksoftirqd/219:42:342
29779992010,3cyclictest27-21ksoftirqd/220:02:252
29779992010,3cyclictest27-21ksoftirqd/220:02:252
2977899208,3cyclictest131rcu_preempt20:47:331
2977899208,3cyclictest131rcu_preempt20:47:331
2977899197,4cyclictest131rcu_preempt20:17:331
2977899197,4cyclictest131rcu_preempt20:17:331
2977899197,4cyclictest131rcu_preempt20:17:331
2977899192,2cyclictest131rcu_preempt20:37:331
2977899192,2cyclictest131rcu_preempt20:37:331
2977899191,9cyclictest10779-21sed19:47:331
2977899191,9cyclictest10779-21sed19:47:331
29778991912,6cyclictest31787-21find20:42:341
29778991912,6cyclictest31787-21find20:42:341
29778991810,6cyclictest8603-21find19:42:331
29778991810,6cyclictest8603-21find19:42:331
2977899173,2cyclictest131rcu_preempt20:02:311
2977899173,2cyclictest131rcu_preempt20:02:311
2977899161,3cyclictest131rcu_preempt19:22:321
2977899161,3cyclictest131rcu_preempt19:22:321
2977899161,3cyclictest131rcu_preempt19:22:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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