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2025-11-24 - 15:31
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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 Mon Nov 24, 2025 12:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1111722100,3sleep00-21swapper/007:11:050
3174521510,2sleep30-21swapper/311:25:593
3174521510,2sleep30-21swapper/311:25:593
2430421110,3chrt0-21swapper/211:16:092
2430421110,3chrt0-21swapper/211:16:092
1587821060,4sleep215877-21rm12:25:462
1587821060,4sleep215877-21rm12:25:462
295442850,5sleep229542-21ssh10:01:062
295442850,5sleep229542-21ssh10:01:062
279422820,3chrt0-21swapper/207:56:042
279422820,3chrt0-21swapper/207:56:042
85212810,2chrt11697-21cyclictest11:36:101
107512800,5sleep2261rcuc/207:11:002
175952770,4sleep30-21swapper/312:26:363
175952770,4sleep30-21swapper/312:26:363
11700997415,22cyclictest27-21ksoftirqd/209:45:572
11700997415,22cyclictest27-21ksoftirqd/209:45:572
114622740,3sleep211697-21cyclictest08:40:562
114622740,3sleep211697-21cyclictest08:40:562
73982730,3sleep10-21swapper/112:15:401
73982730,3sleep10-21swapper/112:15:401
31632710,3sleep30-21swapper/309:26:433
31632710,3sleep30-21swapper/309:26:433
16042630,2sleep00-21swapper/012:08:000
16042630,2sleep00-21swapper/012:08:000
185022620,2sleep30-21swapper/307:31:013
185022620,2sleep30-21swapper/307:31:013
135482620,10sleep012-21ksoftirqd/011:02:130
11699996217,37cyclictest131rcu_preempt09:20:541
11699996217,37cyclictest131rcu_preempt09:20:541
263612610,3chrt0-21swapper/311:19:283
263612610,3chrt0-21swapper/311:19:283
243712600,3sleep30-21swapper/307:46:043
243712600,3sleep30-21swapper/307:46:043
33452590,2sleep30-21swapper/310:50:473
33452590,2sleep30-21swapper/310:50:473
291392580,3sleep10-21swapper/109:19:211
291392580,3sleep10-21swapper/109:19:211
206182580,3chrt0-21swapper/011:51:440
206182580,3chrt0-21swapper/011:51:440
11698995823,28cyclictest12-21ksoftirqd/010:45:560
11698995823,28cyclictest12-21ksoftirqd/010:45:560
282862570,2sleep028438-21timerwakeupswit11:21:070
282862570,2sleep028438-21timerwakeupswit11:21:070
282862570,2sleep028438-21timerwakeupswit11:21:070
67412550,2sleep20-21swapper/208:26:062
1169899542,38cyclictest23098-21ssh11:55:560
1169899542,38cyclictest23098-21ssh11:55:560
242052530,9sleep121-21ksoftirqd/109:11:381
126702530,3chrt0-21swapper/312:21:013
126702530,3chrt0-21swapper/312:21:013
205612520,2sleep020563-21grep12:30:590
205612520,2sleep020563-21grep12:30:590
245062510,2sleep10-21swapper/111:56:191
245062510,2sleep10-21swapper/111:56:191
1169999518,35cyclictest131rcu_preempt08:10:531
1169999518,35cyclictest131rcu_preempt08:10:531
11698995112,24cyclictest38850irq/55-eth010:30:560
125072500,2sleep20-21swapper/207:15:572
1169999505,11cyclictest131rcu_preempt09:05:551
1169999505,11cyclictest131rcu_preempt09:05:551
221162490,2sleep122187-21tail07:41:011
1169999492,37cyclictest15900-21ssh10:25:541
1169999492,37cyclictest15900-21ssh10:25:541
1169899484,36cyclictest11989-21ssh10:20:550
296232470,3sleep30-21swapper/312:02:563
1169899474,35cyclictest20965-21ssh09:50:540
1169899474,35cyclictest20965-21ssh09:50:540
1169899473,8cyclictest131rcu_preempt07:20:520
1169899473,8cyclictest131rcu_preempt07:20:520
99422460,3sleep10-21swapper/110:17:171
99422460,3sleep10-21swapper/110:17:171
11699994632,9cyclictest8999-21kworker/u8:509:25:561
11699994632,9cyclictest8999-21kworker/u8:509:25:561
1169899464,11cyclictest131rcu_preempt11:10:570
1169899464,11cyclictest131rcu_preempt11:10:570
1169899461,34cyclictest542-21snmpd11:45:550
1169899461,34cyclictest542-21snmpd11:45:550
99522450,3chrt0-21swapper/308:35:593
99522450,3chrt0-21swapper/308:35:593
1169899443,9cyclictest131rcu_preempt12:35:550
1169899443,9cyclictest131rcu_preempt12:35:550
4292430,4sleep227-21ksoftirqd/210:46:072
4292430,4sleep227-21ksoftirqd/210:46:072
263732430,3sleep00-21swapper/011:19:290
263732430,3sleep00-21swapper/011:19:290
1169999432,33cyclictest31605-21ssh12:05:531
83132420,3sleep30-21swapper/308:31:013
83132420,3sleep30-21swapper/308:31:013
214702420,3sleep121579-21ssh09:51:011
214702420,3sleep121579-21ssh09:51:011
183382420,3sleep10-21swapper/112:27:581
183382420,3sleep10-21swapper/112:27:581
1170099421,37cyclictest3531-21ssh12:10:572
1170099421,37cyclictest3531-21ssh12:10:572
1170099413,34cyclictest22317-21diskmemload12:25:542
1170099413,34cyclictest22317-21diskmemload12:25:542
1169899413,7cyclictest131rcu_preempt07:15:540
257512400,3sleep30-21swapper/307:50:583
257512400,3sleep30-21swapper/307:50:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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