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2025-10-28 - 16:59
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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 100 highest latencies:
System rack4slot1.osadl.org (updated Tue Oct 28, 2025 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138521570,3sleep30-21swapper/309:00:313
1124321140,2sleep30-21swapper/310:41:423
1124321140,2sleep30-21swapper/310:41:423
842721080,3sleep30-21swapper/310:38:493
842721080,3sleep30-21swapper/310:38:493
2025621000,4sleep20-21swapper/210:54:352
49762970,3sleep10-21swapper/112:37:181
163032970,2sleep30-21swapper/311:30:373
269302870,3sleep026982-21ntpq07:10:380
269302870,3sleep026982-21ntpq07:10:380
268432770,3sleep20-21swapper/207:10:352
268432770,3sleep20-21swapper/207:10:352
180982750,3sleep10-21swapper/112:15:401
180982750,3sleep10-21swapper/112:15:401
141442720,3sleep30-21swapper/309:21:083
141442720,3sleep30-21swapper/309:21:083
211512710,2sleep121153-21192.168.115.40-08:25:331
211512710,2sleep121153-21192.168.115.40-08:25:331
2759199701,8cyclictest131rcu_preempt09:00:282
214772640,3chrt0-21swapper/112:20:301
214772640,3chrt0-21swapper/112:20:301
67342630,3chrt0-21swapper/109:55:181
67342630,3chrt0-21swapper/109:55:181
140762630,3chrt0-21swapper/111:28:061
140762630,3chrt0-21swapper/111:28:061
141582620,2chrt0-21swapper/308:05:343
141582620,2chrt0-21swapper/308:05:343
27589996130,18cyclictest38850irq/55-eth009:25:310
27589996130,18cyclictest38850irq/55-eth009:25:310
239922610,3chrt0-21swapper/310:15:423
239922610,3chrt0-21swapper/310:15:423
46912590,3sleep20-21swapper/209:10:182
46912590,3sleep20-21swapper/209:10:182
2759099591,51cyclictest0-21swapper/111:35:301
2759099591,51cyclictest0-21swapper/111:35:301
234372570,3chrt0-21swapper/109:34:571
234372570,3chrt0-21swapper/109:34:571
38892560,3sleep10-21swapper/111:15:321
38892560,3sleep10-21swapper/111:15:321
38892560,3sleep10-21swapper/111:15:321
2759199567,40cyclictest5539-21ssh10:35:302
2759199567,40cyclictest5539-21ssh10:35:302
2759199566,8cyclictest131rcu_preempt10:40:282
2759199566,8cyclictest131rcu_preempt10:40:282
2759099558,10cyclictest131rcu_preempt08:30:291
2759099558,10cyclictest131rcu_preempt08:30:291
153072540,2sleep215318-21ssh12:12:122
153072540,2sleep215318-21ssh12:12:122
52972530,2sleep25305-21ssh09:52:432
52972530,2sleep25305-21ssh09:52:432
308352530,3sleep20-21swapper/207:20:402
308352530,3sleep20-21swapper/207:20:402
2759099532,10cyclictest131rcu_preempt11:10:301
294582520,3sleep10-21swapper/111:05:391
2759099528,38cyclictest11036-21ssh10:00:261
2759099528,38cyclictest11036-21ssh10:00:261
2759099526,38cyclictest27843-21ssh09:40:281
2759099526,38cyclictest27843-21ssh09:40:281
2759099525,9cyclictest131rcu_preempt08:00:301
2759099519,11cyclictest131rcu_preempt10:30:301
2759099519,11cyclictest131rcu_preempt10:30:301
2759099516,40cyclictest6073-21ssh12:00:291
2759099516,40cyclictest6073-21ssh12:00:291
2759099516,11cyclictest131rcu_preempt09:10:291
2759099516,11cyclictest131rcu_preempt09:10:291
260592510,2sleep30-21swapper/312:25:353
260592510,2sleep30-21swapper/312:25:353
260592510,2sleep30-21swapper/312:25:353
315012490,3sleep00-21swapper/011:09:000
23312490,4chrt0-21swapper/311:13:093
2759099481,30cyclictest16550-21seq10:06:061
2759099481,30cyclictest16550-21seq10:06:061
2759099481,29cyclictest787-21taskset07:29:141
2759099481,29cyclictest787-21taskset07:29:141
2759099480,33cyclictest29975-21ssh11:49:311
2759099480,33cyclictest29975-21ssh11:49:311
2759099471,33cyclictest15347-21ssh10:47:051
2759099471,33cyclictest15347-21ssh10:47:051
2759099471,30cyclictest7380-21runrttasks10:36:531
2759099471,30cyclictest7380-21runrttasks10:36:531
2759099471,30cyclictest4612-21taskset11:58:151
2759099471,30cyclictest4612-21taskset11:58:151
2758999474,30cyclictest9076-21ssh09:15:300
2758999474,30cyclictest9076-21ssh09:15:300
2759099461,38cyclictest0-21swapper/108:35:291
2759099461,38cyclictest0-21swapper/108:35:291
2759099461,31cyclictest20691-21taskset08:24:071
2759099461,29cyclictest944-21taskset09:00:081
2759099461,29cyclictest944-21taskset09:00:081
2759099461,29cyclictest14444-21ssh09:21:441
2759099461,29cyclictest14444-21ssh09:21:441
2759099460,30cyclictest26767-21date11:45:231
2759099451,40cyclictest0-21swapper/107:45:291
2759099451,40cyclictest0-21swapper/107:45:291
2759099451,31cyclictest732-21runrttasks10:30:101
2759099451,31cyclictest732-21runrttasks10:30:101
2759099451,29cyclictest2166-21seq09:49:191
2759099451,29cyclictest2166-21seq09:49:191
2759099451,28cyclictest4261-21taskset09:06:101
2759099451,28cyclictest4261-21taskset09:06:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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