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2026-06-22 - 07:03
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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 Jun 22, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2735721470,8sleep227-21ksoftirqd/221:30:472
2735721470,8sleep227-21ksoftirqd/221:30:472
1060021190,3sleep30-21swapper/322:27:233
1060021190,3sleep30-21swapper/322:27:233
3082721130,3sleep20-21swapper/222:52:262
3082721130,3sleep20-21swapper/222:52:262
3082721130,3sleep20-21swapper/222:52:262
1710121120,3sleep20-21swapper/200:35:432
1710121120,3sleep20-21swapper/200:35:432
1434321070,3sleep30-21swapper/321:52:103
1434321070,3sleep30-21swapper/321:52:103
1434321070,3sleep30-21swapper/321:52:103
3126121020,4sleep00-21swapper/019:10:440
3126121020,4sleep00-21swapper/019:10:440
319862930,2sleep10-21swapper/119:10:561
319862930,2sleep10-21swapper/119:10:561
133962930,4chrt0-21swapper/200:30:492
133962930,4chrt0-21swapper/200:30:492
133962930,4chrt0-21swapper/200:30:492
263742830,3sleep20-21swapper/223:26:422
263742830,3sleep20-21swapper/223:26:422
139022810,3chrt0-21swapper/123:50:531
139022810,3chrt0-21swapper/123:50:531
252752800,3chrt0-21swapper/122:45:461
252752800,3chrt0-21swapper/122:45:461
132152780,3chrt0-21swapper/323:10:483
132152780,3chrt0-21swapper/323:10:483
22212750,3sleep30-21swapper/300:17:003
22212750,3sleep30-21swapper/300:17:003
41832740,3sleep311116-21kworker/3:219:25:333
41832740,3sleep311116-21kworker/3:219:25:333
41832740,3sleep311116-21kworker/3:219:25:333
196062740,4sleep10-21swapper/121:21:051
196062740,4sleep10-21swapper/121:21:051
129682740,2sleep013082-21ssh23:10:460
129682740,2sleep013082-21ssh23:10:460
76982730,2sleep10-21swapper/121:45:011
76982730,2sleep10-21swapper/121:45:011
76982730,2sleep10-21swapper/121:45:011
73112720,3sleep10-21swapper/123:43:421
73112720,3sleep10-21swapper/123:43:421
223382700,3sleep30-21swapper/321:25:413
223382700,3sleep30-21swapper/321:25:413
258292690,3chrt0-21swapper/122:05:551
258292690,3chrt0-21swapper/122:05:551
90542670,3sleep30-21swapper/319:35:543
90542670,3sleep30-21swapper/319:35:543
100152660,3chrt0-21swapper/119:40:421
100152660,3chrt0-21swapper/119:40:421
325252610,2sleep232527-21latency_hist00:15:302
325252610,2sleep232527-21latency_hist00:15:302
325252610,2sleep232527-21latency_hist00:15:302
302552610,4sleep30-21swapper/300:11:253
302552610,4sleep30-21swapper/300:11:253
302552610,4sleep30-21swapper/300:11:253
144272610,3sleep0151rcuc/022:31:580
144272610,3sleep0151rcuc/022:31:580
244562580,3chrt0-21swapper/220:20:422
244562580,3chrt0-21swapper/220:20:422
142552580,3sleep10-21swapper/119:50:511
142552580,3sleep10-21swapper/119:50:511
249422570,3sleep30-21swapper/320:20:483
249422570,3sleep30-21swapper/320:20:483
61942550,3sleep20-21swapper/200:21:372
61942550,3sleep20-21swapper/200:21:372
177782550,3chrt0-21swapper/121:56:021
177782550,3chrt0-21swapper/121:56:021
177782550,3chrt0-21swapper/121:56:021
92702540,4sleep10-21swapper/119:37:081
92702540,4sleep10-21swapper/119:37:081
41722540,4chrt0-21swapper/323:40:303
41722540,4chrt0-21swapper/323:40:303
41722540,4chrt0-21swapper/323:40:303
73802530,4chrt0-21swapper/321:44:263
73802530,4chrt0-21swapper/321:44:263
73802530,4chrt0-21swapper/321:44:263
177502500,2sleep1131rcu_preempt20:00:481
177502500,2sleep1131rcu_preempt20:00:481
144732500,2chrt0-21swapper/123:12:021
144732500,2chrt0-21swapper/123:12:021
277152490,3sleep10-21swapper/120:30:291
277152490,3sleep10-21swapper/120:30:291
127752480,4chrt0-21swapper/300:30:423
127752480,4chrt0-21swapper/300:30:423
50002470,4chrt5005-21needreboot22:20:461
50002470,4chrt5005-21needreboot22:20:461
160262470,2sleep20-21swapper/219:55:502
160262470,2sleep20-21swapper/219:55:502
312582450,2sleep231028-21ls19:10:422
312582450,2sleep231028-21ls19:10:422
244782450,3sleep00-21swapper/022:45:330
244782450,3sleep00-21swapper/022:45:330
192272440,3chrt0-21swapper/123:58:161
192272440,3chrt0-21swapper/123:58:161
192272440,3chrt0-21swapper/123:58:161
170222440,3sleep10-21swapper/122:35:451
170222440,3sleep10-21swapper/122:35:451
170222440,3sleep10-21swapper/122:35:451
104302440,2sleep00-21swapper/023:46:540
104302440,2sleep00-21swapper/023:46:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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