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2026-04-28 - 03:44
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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 Mon Apr 27, 2026 20:51:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2446328470,1sleep012-21ksoftirqd/019:12:380
2446328470,1sleep012-21ksoftirqd/019:12:380
2430524070,2sleep10-21swapper/119:12:351
2430524070,2sleep10-21swapper/119:12:351
1875521270,4sleep218752-21find20:22:312
1875521270,4sleep218752-21find20:22:312
1875521270,4sleep218752-21find20:22:312
1298721170,2sleep30-21swapper/320:07:333
1298721170,2sleep30-21swapper/320:07:333
2067421100,3sleep10-21swapper/120:27:331
2999121020,4sleep20-21swapper/219:27:312
2999121020,4sleep20-21swapper/219:27:312
91292960,1sleep012-21ksoftirqd/019:57:330
91292960,1sleep012-21ksoftirqd/019:57:330
225962960,5sleep222591-21find20:32:332
72152950,2sleep20-21swapper/219:52:322
72152950,2sleep20-21swapper/219:52:322
53022950,4sleep10-21swapper/119:47:321
91232790,2sleep30-21swapper/319:57:323
91232790,2sleep30-21swapper/319:57:323
319352500,2sleep032128-21grep19:32:330
319352500,2sleep032128-21grep19:32:330
262562410,3sleep30-21swapper/319:17:353
262562410,3sleep30-21swapper/319:17:353
262562410,3sleep30-21swapper/319:17:353
24534994024,6cyclictest20671-21find20:27:322
149932390,7sleep121-21ksoftirqd/120:12:341
149932390,7sleep121-21ksoftirqd/120:12:341
2453299383,3cyclictest141rcub/020:32:330
46292370,3sleep04728-21irqstats19:47:240
258102350,1sleep125159-21/usr/sbin/munin19:17:301
258102350,1sleep125159-21/usr/sbin/munin19:17:301
258102350,1sleep125159-21/usr/sbin/munin19:17:301
235872355,19sleep223687-21/usr/sbin/munin19:12:242
235872355,19sleep223687-21/usr/sbin/munin19:12:242
2453299322,4cyclictest0-21swapper/020:22:350
2453299322,4cyclictest0-21swapper/020:22:350
2453299322,4cyclictest0-21swapper/020:22:350
123082320,2sleep112013-21/usr/sbin/munin20:07:241
123082320,2sleep112013-21/usr/sbin/munin20:07:241
2453499311,14cyclictest10110-21/usr/sbin/munin20:02:222
2453499311,14cyclictest10110-21/usr/sbin/munin20:02:222
127752300,3sleep00-21swapper/020:07:300
127752300,3sleep00-21swapper/020:07:300
93072290,2chrt0-21swapper/119:57:341
93072290,2chrt0-21swapper/119:57:341
2453499283,3cyclictest131rcu_preempt19:26:392
2453499283,3cyclictest131rcu_preempt19:26:392
2453499283,3cyclictest131rcu_preempt19:26:392
2453399284,4cyclictest131rcu_preempt20:32:331
24533992822,4cyclictest21-21ksoftirqd/119:26:391
24533992822,4cyclictest21-21ksoftirqd/119:26:391
24533992822,4cyclictest21-21ksoftirqd/119:26:391
2453299254,5cyclictest73-21kswapd019:37:320
2453299254,5cyclictest73-21kswapd019:37:320
231712242,15sleep30-21swapper/319:12:173
231712242,15sleep30-21swapper/319:12:173
24535992317,4cyclictest321rcuc/319:25:563
24535992317,4cyclictest321rcuc/319:25:563
24535992317,4cyclictest321rcuc/319:25:563
2453399237,7cyclictest11101-21find20:02:321
2453399237,7cyclictest11101-21find20:02:321
24533992315,5cyclictest21-21ksoftirqd/119:27:301
24533992315,5cyclictest21-21ksoftirqd/119:27:301
2453399231,2cyclictest131rcu_preempt20:37:311
2453399231,2cyclictest131rcu_preempt20:37:311
24535992217,3cyclictest321rcuc/320:47:423
24535992217,3cyclictest321rcuc/320:47:423
24534992213,7cyclictest5299-21find19:47:322
2453399221,17cyclictest27711-21ls20:47:231
2453399221,17cyclictest27711-21ls20:47:231
2453299221,5cyclictest131rcu_preempt20:47:220
2453299221,5cyclictest131rcu_preempt20:47:220
2453499213,3cyclictest131rcu_preempt19:57:322
2453499213,3cyclictest131rcu_preempt19:57:322
2453299211,8cyclictest131rcu_preempt20:42:330
2453299211,8cyclictest131rcu_preempt20:42:330
2453299211,7cyclictest17504-21idleruntime-cro20:22:080
2453299211,7cyclictest17504-21idleruntime-cro20:22:080
2453299211,7cyclictest17504-21idleruntime-cro20:22:080
24532992116,3cyclictest3173-1kworker/0:0H19:22:300
24532992116,3cyclictest3173-1kworker/0:0H19:22:300
24532992116,3cyclictest3173-1kworker/0:0H19:22:300
2453299211,17cyclictest19891-21cut20:27:230
17392211,3sleep10-21swapper/119:38:041
17392211,3sleep10-21swapper/119:38:041
24535992016,3cyclictest321rcuc/320:33:163
24535992013,4cyclictest321rcuc/319:49:323
2453499202,3cyclictest0-21swapper/220:07:332
2453499202,3cyclictest0-21swapper/220:07:332
24534992013,5cyclictest27338-21sed20:47:182
24534992013,5cyclictest27338-21sed20:47:182
24534992011,6cyclictest27693-21/usr/sbin/munin20:47:232
24534992011,6cyclictest27693-21/usr/sbin/munin20:47:232
24533992011,7cyclictest0-21swapper/120:47:141
24533992011,7cyclictest0-21swapper/120:47:141
24533992011,6cyclictest0-21swapper/119:52:211
24533992011,6cyclictest0-21swapper/119:52:211
2453399201,13cyclictest19675-21ls20:27:191
2453399201,13cyclictest19675-21ls20:27:191
2453399201,13cyclictest19675-21ls20:27:191
2453299203,4cyclictest131rcu_preempt20:37:320
2453299203,4cyclictest131rcu_preempt20:37:320
2453299201,16cyclictest15031-21grep20:12:340
2453299201,16cyclictest15031-21grep20:12:340
2453299201,15cyclictest3173-1kworker/0:0H19:27:220
2453299201,15cyclictest3173-1kworker/0:0H19:27:220
2453299201,14cyclictest25608-21latency19:17:260
2453299201,14cyclictest25608-21latency19:17:260
2453299201,14cyclictest25608-21latency19:17:260
24535991914,3cyclictest321rcuc/320:07:063
24535991914,3cyclictest321rcuc/320:07:063
24535991914,3cyclictest321rcuc/319:28:463
24535991914,3cyclictest321rcuc/319:28:463
24535991913,4cyclictest321rcuc/320:14:333
24535991913,4cyclictest321rcuc/320:14:333
24535991912,5cyclictest321rcuc/319:32:363
24535991912,5cyclictest321rcuc/319:32:363
24535991912,4cyclictest321rcuc/320:41:233
24535991912,4cyclictest321rcuc/320:41:233
2453499198,3cyclictest131rcu_preempt19:42:222
2453499198,3cyclictest131rcu_preempt19:42:222
24534991913,4cyclictest27-21ksoftirqd/219:17:322
24534991913,4cyclictest27-21ksoftirqd/219:17:322
24534991913,4cyclictest27-21ksoftirqd/219:17:322
24534991912,5cyclictest25378-21latency_hist20:42:152
24534991912,5cyclictest25378-21latency_hist20:42:152
2453299197,4cyclictest131rcu_preempt19:52:290
2453299197,4cyclictest131rcu_preempt19:52:290
24535991812,4cyclictest321rcuc/319:56:083
24535991812,4cyclictest321rcuc/319:56:083
24535991810,5cyclictest321rcuc/320:28:333
2453499188,2cyclictest27-21ksoftirqd/219:42:092
2453499188,2cyclictest27-21ksoftirqd/219:42:092
2453499183,5cyclictest0-21swapper/219:32:552
2453499183,5cyclictest0-21swapper/219:32:552
2453499182,13cyclictest16791-21find20:17:332
2453499182,13cyclictest16791-21find20:17:332
2453499182,13cyclictest16791-21find20:17:332
2453399181,4cyclictest131rcu_preempt19:42:441
2453399181,4cyclictest131rcu_preempt19:42:441
2453299181,4cyclictest131rcu_preempt20:02:330
2453299181,4cyclictest131rcu_preempt20:02:330
24535991713,3cyclictest321rcuc/320:17:273
24535991713,3cyclictest321rcuc/320:17:273
24535991713,3cyclictest321rcuc/320:17:273
2453499172,4cyclictest131rcu_preempt20:12:202
2453499172,4cyclictest131rcu_preempt20:12:202
2453399171,3cyclictest0-21swapper/120:17:211
2453399171,3cyclictest0-21swapper/120:17:211
2453399171,3cyclictest0-21swapper/120:17:211
2453299177,8cyclictest2469-21df_inode19:42:210
2453299177,8cyclictest2469-21df_inode19:42:210
24535991610,4cyclictest321rcuc/320:23:223
24535991610,4cyclictest321rcuc/320:23:223
24535991610,4cyclictest321rcuc/320:23:223
24535991610,4cyclictest321rcuc/319:46:263
24535991610,4cyclictest321rcuc/319:46:263
24535991610,4cyclictest321rcuc/319:41:243
24535991610,4cyclictest321rcuc/319:41:243
2453399167,7cyclictest31470-21grep19:32:231
2453399167,7cyclictest31470-21grep19:32:231
24535991511,3cyclictest0-21swapper/320:42:283
24535991511,3cyclictest0-21swapper/320:42:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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