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2025-12-26 - 14:46
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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 Fri Dec 26, 2025 12:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2624221450,2sleep2131rcu_preempt12:10:272
2624221450,2sleep2131rcu_preempt12:10:272
803121300,3chrt0-21swapper/312:25:233
2558521190,3sleep30-21swapper/309:55:303
2558521190,3sleep30-21swapper/309:55:303
3163521160,3chrt0-21swapper/308:30:143
3163521160,3chrt0-21swapper/308:30:143
2307621160,3sleep30-21swapper/311:33:593
2307621160,3sleep30-21swapper/311:33:593
1571721160,3sleep30-21swapper/309:11:493
1571721160,3sleep30-21swapper/309:11:493
2214321140,2sleep20-21swapper/210:59:422
2214321140,2sleep20-21swapper/210:59:422
2214321140,2sleep20-21swapper/210:59:422
2766421050,4sleep30-21swapper/311:05:183
2766421050,4sleep30-21swapper/311:05:183
719221030,2sleep20-21swapper/207:20:222
719221030,2sleep20-21swapper/207:20:222
372721020,5sleep00-21swapper/007:10:240
35342990,4sleep30-21swapper/311:46:453
35342990,4sleep30-21swapper/311:46:453
178142980,3sleep30-21swapper/310:20:333
178142980,3sleep30-21swapper/310:20:333
319362930,3sleep30-21swapper/312:15:553
319362930,3sleep30-21swapper/312:15:553
319362930,3sleep30-21swapper/312:15:553
5862860,3chrt0-21swapper/210:36:322
5862860,3chrt0-21swapper/210:36:322
5862860,3chrt0-21swapper/210:36:322
31682760,4sleep00-21swapper/011:13:070
31682760,4sleep00-21swapper/011:13:070
155532690,3sleep30-21swapper/309:45:253
111922670,2sleep333-21ksoftirqd/311:55:213
111922670,2sleep333-21ksoftirqd/311:55:213
187622660,4sleep20-21swapper/209:49:062
152002660,2sleep30-21swapper/311:25:273
152002660,2sleep30-21swapper/311:25:273
6262650,7sleep333-21ksoftirqd/311:10:243
6262650,7sleep333-21ksoftirqd/311:10:243
214782650,9sleep227-21ksoftirqd/208:00:242
214782650,9sleep227-21ksoftirqd/208:00:242
259672640,6sleep2131rcu_preempt09:22:412
259672640,6sleep2131rcu_preempt09:22:412
191012640,3chrt0-21swapper/112:35:581
191012640,3chrt0-21swapper/112:35:581
191012640,3chrt0-21swapper/112:35:581
165602570,2chrt16561-21/usr/sbin/munin12:00:261
90992560,3sleep30-21swapper/310:45:293
90992560,3sleep30-21swapper/310:45:293
90992560,3sleep30-21swapper/310:45:293
221442560,3sleep00-21swapper/009:19:020
221442560,3sleep00-21swapper/009:19:020
221442560,3sleep00-21swapper/009:19:020
129992560,2sleep0151rcuc/007:35:310
129992560,2sleep0151rcuc/007:35:310
9422550,3sleep20-21swapper/210:04:132
9422550,3sleep20-21swapper/210:04:132
51572520,3chrt0-21swapper/011:49:030
51572520,3chrt0-21swapper/011:49:030
270862520,2sleep30-21swapper/310:30:303
270862520,2sleep30-21swapper/310:30:303
279732510,2sleep2261rcuc/211:05:212
279732510,2sleep2261rcuc/211:05:212
290702490,3sleep20-21swapper/209:25:312
290702490,3sleep20-21swapper/209:25:312
260532490,3sleep30-21swapper/312:10:243
260532490,3sleep30-21swapper/312:10:243
215842490,3sleep30-21swapper/308:00:253
215842490,3sleep30-21swapper/308:00:253
73092480,3chrt0-21swapper/307:20:233
73092480,3chrt0-21swapper/307:20:233
233232480,3sleep30-21swapper/309:53:413
233232480,3sleep30-21swapper/309:53:413
197612480,2sleep20-21swapper/212:04:162
212722470,2sleep012-21ksoftirqd/012:38:590
212722470,2sleep012-21ksoftirqd/012:38:590
212722470,2sleep012-21ksoftirqd/012:38:590
115142470,3chrt0-21swapper/209:40:462
3402460,2sleep30-21swapper/310:36:133
3402460,2sleep30-21swapper/310:36:133
3402460,2sleep30-21swapper/310:36:133
205302460,3chrt0-21swapper/310:57:263
205302460,3chrt0-21swapper/310:57:263
205302460,3chrt0-21swapper/310:57:263
295042450,4sleep20-21swapper/210:33:222
295042450,4sleep20-21swapper/210:33:222
215282450,3sleep10-21swapper/109:51:101
215282450,3sleep10-21swapper/109:51:101
139182450,3sleep30-21swapper/311:24:433
55892440,3sleep30-21swapper/307:15:243
55892440,3sleep30-21swapper/307:15:243
55892440,3sleep30-21swapper/307:15:243
285562440,4chrt0-21swapper/009:59:120
285562440,4chrt0-21swapper/009:59:120
255582440,3sleep30-21swapper/308:10:293
171372440,2sleep10-21swapper/109:13:481
171372440,2sleep10-21swapper/109:13:481
124762440,3chrt0-21swapper/211:55:442
124762440,3chrt0-21swapper/211:55:442
222692430,2sleep30-21swapper/309:19:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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