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2025-12-21 - 11:23
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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 Sun Dec 21, 2025 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294821680,5sleep012-21ksoftirqd/023:10:540
1875721530,3sleep00-21swapper/021:49:280
1875721530,3sleep00-21swapper/021:49:280
525121200,4sleep20-21swapper/221:35:192
525121200,4sleep20-21swapper/221:35:192
2960421180,3sleep20-21swapper/221:26:482
2960421180,3sleep20-21swapper/221:26:482
1260321100,3chrt0-21swapper/222:48:212
1260321100,3chrt0-21swapper/222:48:212
1156421090,10sleep333-21ksoftirqd/322:46:543
1156421090,10sleep333-21ksoftirqd/322:46:543
783421020,3sleep17678-21latency_hist23:50:091
783421020,3sleep17678-21latency_hist23:50:091
72221010,3sleep1727-21unixbench_multi20:35:271
72221010,3sleep1727-21unixbench_multi20:35:271
3041521000,2sleep10-21swapper/123:40:041
3041521000,2sleep10-21swapper/123:40:041
3041521000,2sleep10-21swapper/123:40:041
129662990,3sleep10-21swapper/122:48:531
129662990,3sleep10-21swapper/122:48:531
162582970,3sleep30-21swapper/319:50:253
162582970,3sleep30-21swapper/319:50:253
81672940,3chrt8172-21unixbench_singl20:55:292
81672940,3chrt8172-21unixbench_singl20:55:292
313372940,11sleep333-21ksoftirqd/322:34:563
313372940,11sleep333-21ksoftirqd/322:34:563
268912910,3sleep10-21swapper/123:02:471
51502850,3sleep10-21swapper/121:35:181
51502850,3sleep10-21swapper/121:35:181
75072830,3sleep10-21swapper/100:22:361
75072830,3sleep10-21swapper/100:22:361
111802720,3sleep10-21swapper/121:40:491
259972650,3sleep30-21swapper/321:23:353
259972650,3sleep30-21swapper/321:23:353
6342640,5sleep00-21swapper/019:10:120
6342640,5sleep00-21swapper/019:10:120
118832640,3sleep2271ksoftirqd/223:20:242
118832640,3sleep2271ksoftirqd/223:20:242
194072630,3sleep10-21swapper/120:00:191
194072630,3sleep10-21swapper/120:00:191
254732560,2sleep225655-21grep21:55:262
254732560,2sleep225655-21grep21:55:262
16322560,4chrt0-21swapper/321:31:113
16322560,4chrt0-21swapper/321:31:113
295842550,2sleep30-21swapper/323:38:583
295842550,2sleep30-21swapper/323:38:583
295842550,2sleep30-21swapper/323:38:583
70752530,3chrt0-21swapper/119:25:271
70752530,3chrt0-21swapper/119:25:271
172122530,3chrt0-21swapper/223:25:272
172122530,3chrt0-21swapper/223:25:272
6362520,2sleep20-21swapper/222:03:462
6362520,2sleep20-21swapper/222:03:462
183792520,3sleep10-21swapper/121:15:251
183792520,3sleep10-21swapper/121:15:251
183072520,3chrt0-21swapper/321:48:513
183072520,3chrt0-21swapper/321:48:513
135792520,2sleep013589-21ssh22:49:450
135792520,2sleep013589-21ssh22:49:450
53702510,3sleep30-21swapper/321:35:213
53702510,3sleep30-21swapper/321:35:213
15742510,3chrt0-21swapper/300:16:033
15742510,3chrt0-21swapper/300:16:033
96222500,2sleep09634-21ssh23:50:530
96222500,2sleep09634-21ssh23:50:530
21882500,3sleep00-21swapper/022:37:340
21882500,3sleep00-21swapper/022:37:340
108762500,2sleep10-21swapper/121:05:171
108762500,2sleep10-21swapper/121:05:171
106702500,2sleep210882-21unixbench_singl21:40:272
97802490,2sleep09810-21latency_hist19:35:080
97802490,2sleep09810-21latency_hist19:35:080
47432490,2sleep04758-21ssh22:07:330
47432490,2sleep04758-21ssh22:07:330
100702490,4sleep30-21swapper/319:35:183
100702490,4sleep30-21swapper/319:35:183
100702490,4sleep30-21swapper/319:35:183
30782480,4chrt0-21swapper/323:11:053
158202470,1sleep015836-21sed23:25:100
158202470,1sleep015836-21sed23:25:100
70482450,3sleep30-21swapper/300:21:583
70482450,3sleep30-21swapper/300:21:583
75702440,3chrt0-21swapper/122:43:141
256572440,3chrt0-21swapper/321:55:263
256572440,3chrt0-21swapper/321:55:263
203582440,3sleep10-21swapper/100:02:271
203582440,3sleep10-21swapper/100:02:271
119492440,4sleep10-21swapper/100:27:021
119492440,4sleep10-21swapper/100:27:021
260232430,3sleep00-21swapper/023:01:340
202522430,3sleep20-21swapper/222:23:222
202522430,3sleep20-21swapper/222:23:222
91012400,3sleep20-21swapper/223:17:392
91012400,3sleep20-21swapper/223:17:392
91012400,3sleep20-21swapper/223:17:392
236292400,3sleep10-21swapper/100:39:521
236292400,3sleep10-21swapper/100:39:521
236292400,3sleep10-21swapper/100:39:521
48142390,3sleep30-21swapper/322:40:193
16962390,3chrt0-21swapper/123:43:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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