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2025-07-12 - 11:06
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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 50 highest latencies:
System rack4slot1.osadl.org (updated Fri Jul 11, 2025 21:05:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3019828580,14sleep3131rcu_preempt11:12:013
1071728240,5sleep012-21ksoftirqd/010:02:470
1071728240,5sleep012-21ksoftirqd/010:02:470
2681128020,15sleep333-21ksoftirqd/314:31:393
2681128020,15sleep333-21ksoftirqd/314:31:393
2324526070,12sleep0131rcu_preempt12:09:170
2324526070,12sleep0131rcu_preempt12:09:170
2102225970,5sleep20-21swapper/210:39:082
309025790,4sleep121-21ksoftirqd/113:41:371
1362125670,16sleep3131rcu_preempt10:13:323
1022525500,8sleep00-21swapper/013:56:420
1022525500,8sleep00-21swapper/013:56:420
887325380,17sleep333-21ksoftirqd/309:55:353
887325380,17sleep333-21ksoftirqd/309:55:353
1563825300,7sleep10-21swapper/113:42:041
2003525170,8sleep10-21swapper/114:18:081
2003525170,8sleep10-21swapper/114:18:081
982425150,14sleep227-21ksoftirqd/209:59:472
982425150,14sleep227-21ksoftirqd/209:59:472
1083725050,7sleep20-21swapper/213:59:232
1083725050,7sleep20-21swapper/213:59:232
1842724960,6sleep00-21swapper/011:58:550
3074624940,7sleep10-21swapper/111:14:251
1518724940,4sleep10-21swapper/114:07:421
296824850,7sleep00-21swapper/011:25:510
647024710,7sleep121-21ksoftirqd/111:34:281
647024710,7sleep121-21ksoftirqd/111:34:281
204524610,2sleep10-21swapper/102:57:071
1224124600,9sleep20-21swapper/210:08:302
134324560,4sleep30-21swapper/314:46:053
134324560,4sleep30-21swapper/314:46:053
2236024540,4sleep30-21swapper/314:26:423
2236024540,4sleep30-21swapper/314:26:423
1821224530,22sleep012-21ksoftirqd/010:28:480
1698124520,7sleep00-21swapper/010:24:190
1698124520,7sleep00-21swapper/010:24:190
1245824520,7sleep30-21swapper/310:09:283
2499224480,5sleep0151rcuc/010:53:360
2499224480,5sleep0151rcuc/010:53:360
608124390,12sleep20-21swapper/209:45:162
608124390,12sleep20-21swapper/209:45:162
2717324390,6sleep10-21swapper/114:33:141
2717324390,6sleep10-21swapper/114:33:141
1131324300,19sleep227-21ksoftirqd/214:00:322
1081824300,6sleep10-21swapper/113:59:181
1081824300,6sleep10-21swapper/113:59:181
2791924280,10sleep20-21swapper/214:35:332
1507724280,9sleep00-21swapper/014:07:120
1359724240,5sleep10-21swapper/111:48:341
1354524230,5sleep00-21swapper/011:48:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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