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2025-11-18 - 19:40
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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 Nov 18, 2025 12:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
427721550,4sleep00-21swapper/007:26:010
1346921060,3chrt0-21swapper/309:55:583
1346921060,3chrt0-21swapper/309:55:583
2404521030,3chrt0-21swapper/309:28:453
2404521030,3chrt0-21swapper/309:28:453
1665621010,3sleep30-21swapper/311:21:023
307932770,2sleep229740-21ls07:11:052
31216997537,24cyclictest38850irq/55-eth012:20:500
31216997537,24cyclictest38850irq/55-eth012:20:500
187542710,5sleep217448-21/usr/sbin/munin09:21:052
3121899704,6cyclictest131rcu_preempt10:20:482
125112690,3sleep20-21swapper/209:14:092
125112690,3sleep20-21swapper/209:14:092
84962660,3chrt0-21swapper/312:27:503
84962660,3chrt0-21swapper/312:27:503
101622630,5sleep333-21ksoftirqd/309:10:573
101622630,5sleep333-21ksoftirqd/309:10:573
51802610,3chrt5169-21ssh11:06:062
51802610,3chrt5169-21ssh11:06:062
97432580,3sleep10-21swapper/111:12:321
97432580,3sleep10-21swapper/111:12:321
3121699573,43cyclictest25306-21ssh10:10:490
149002570,2sleep014961-21ntp_states07:55:560
149002570,2sleep014961-21ntp_states07:55:560
80172560,3sleep30-21swapper/309:49:513
80172560,3sleep30-21swapper/309:49:513
45552540,4chrt0-21swapper/310:25:443
3121899544,8cyclictest131rcu_preempt11:00:492
3121899544,8cyclictest131rcu_preempt11:00:492
299812540,3sleep20-21swapper/211:37:252
299812540,3sleep20-21swapper/211:37:252
106622540,2sleep010665-21sh11:14:170
106622540,2sleep010665-21sh11:14:170
3121899537,6cyclictest131rcu_preempt10:50:512
3121899537,6cyclictest131rcu_preempt10:50:512
71762520,2sleep10-21swapper/112:26:031
71762520,2sleep10-21swapper/112:26:031
3121899524,9cyclictest131rcu_preempt08:55:522
299622520,3sleep029740-21ls07:10:470
230812520,3chrt0-21swapper/010:48:080
230812520,3chrt0-21swapper/010:48:080
202772520,3sleep20-21swapper/211:25:552
202772520,3sleep20-21swapper/211:25:552
23992510,3chrt0-21swapper/309:41:433
23992510,3chrt0-21swapper/309:41:433
210742510,3chrt0-21swapper/308:11:053
210742510,3chrt0-21swapper/308:11:053
84792500,2sleep28332-21latency_hist10:30:422
84792500,2sleep28332-21latency_hist10:30:422
314222500,2sleep131424-21ssh09:38:091
314222500,2sleep131424-21ssh09:38:091
3121699494,36cyclictest11778-21ssh11:15:490
207422490,4chrt20722-21apt-get10:45:511
207422490,4chrt20722-21apt-get10:45:511
3121899484,5cyclictest131rcu_preempt07:35:492
3121899484,5cyclictest131rcu_preempt07:35:492
3121899483,8cyclictest131rcu_preempt08:45:502
3121899483,8cyclictest131rcu_preempt08:45:502
3121899482,5cyclictest131rcu_preempt09:15:512
298892470,2sleep10-21swapper/112:16:061
298892470,2sleep10-21swapper/112:16:061
194132470,2sleep20-21swapper/210:43:432
194132470,2sleep20-21swapper/210:43:432
116392470,4sleep30-21swapper/311:15:443
116392470,4sleep30-21swapper/311:15:443
116202470,2sleep211636-21latency_hist11:15:442
116202470,2sleep211636-21latency_hist11:15:442
31218994626,10cyclictest27-21ksoftirqd/208:30:502
122082460,2sleep20-21swapper/210:35:242
122082460,2sleep20-21swapper/210:35:242
3121699455,26cyclictest38850irq/55-eth009:35:520
3121699455,26cyclictest38850irq/55-eth009:35:520
270182450,3sleep10-21swapper/109:31:451
270182450,3sleep10-21swapper/109:31:451
324362440,2sleep30-21swapper/307:16:003
324362440,2sleep30-21swapper/307:16:003
3121899441,22cyclictest21274-21ssh09:25:482
3121899441,22cyclictest21274-21ssh09:25:482
17952440,3sleep30-21swapper/311:42:403
100172440,3sleep20-21swapper/212:30:022
100172440,3sleep20-21swapper/212:30:022
323952430,4sleep00-21swapper/012:19:390
323952430,4sleep00-21swapper/012:19:390
41952420,3sleep30-21swapper/307:26:003
321472420,3sleep30-21swapper/312:19:183
321472420,3sleep30-21swapper/312:19:183
30502420,3chrt0-21swapper/209:43:032
30502420,3chrt0-21swapper/209:43:032
127562420,3sleep10-21swapper/109:14:371
127562420,3sleep10-21swapper/109:14:371
3121699415,22cyclictest38850irq/55-eth009:30:510
3121699415,22cyclictest38850irq/55-eth009:30:510
264672410,3sleep30-21swapper/308:26:043
264672410,3sleep30-21swapper/308:26:043
237452410,3sleep30-21swapper/312:10:413
43792400,2sleep24370-21ssh11:45:572
43792400,2sleep24370-21ssh11:45:572
242752400,3sleep20-21swapper/210:09:232
242752400,3sleep20-21swapper/210:09:232
211642400,3chrt0-21swapper/311:26:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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