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2026-04-21 - 15:56
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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 Apr 21, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
665321920,2chrt0-21swapper/107:12:271
708021280,2sleep07082-21ssh11:43:580
708021280,2sleep07082-21ssh11:43:580
2534421220,3sleep30-21swapper/312:37:283
2534421220,3sleep30-21swapper/312:37:283
2901921200,3chrt0-21swapper/010:27:160
2901921200,3chrt0-21swapper/010:27:160
2901921200,3chrt0-21swapper/010:27:160
694021090,3sleep30-21swapper/308:37:273
694021090,3sleep30-21swapper/308:37:273
694821080,3sleep05409-21ls07:12:310
2006521050,3sleep20-21swapper/212:32:252
2006521050,3sleep20-21swapper/212:32:252
1696121050,1sleep012-21ksoftirqd/010:47:260
1696121050,1sleep012-21ksoftirqd/010:47:260
1854321030,4sleep00-21swapper/011:56:560
1854321030,4sleep00-21swapper/011:56:560
1821221030,2sleep20-21swapper/207:42:262
1821221030,2sleep20-21swapper/207:42:262
766421020,2chrt0-21swapper/009:32:200
766421020,2chrt0-21swapper/009:32:200
2971821010,2sleep20-21swapper/208:12:252
2971821010,2sleep20-21swapper/208:12:252
853221000,2sleep00-21swapper/011:12:260
57632990,2sleep25756-21find10:02:262
57632990,2sleep25756-21find10:02:262
227372990,2chrt0-21swapper/010:53:490
227372990,2chrt0-21swapper/010:53:490
113452990,4sleep00-21swapper/011:48:280
113452990,4sleep00-21swapper/011:48:280
145962920,1sleep012-21ksoftirqd/008:57:270
145962920,1sleep012-21ksoftirqd/008:57:270
145962920,1sleep012-21ksoftirqd/008:57:270
254182890,2sleep012-21ksoftirqd/008:02:180
254182890,2sleep012-21ksoftirqd/008:02:180
254182890,2sleep012-21ksoftirqd/008:02:180
316292880,1sleep012-21ksoftirqd/008:17:260
316292880,1sleep012-21ksoftirqd/008:17:260
22392880,4chrt0-21swapper/012:12:530
22392880,4chrt0-21swapper/012:12:530
22392880,4chrt0-21swapper/012:12:530
45592730,3chrt0-21swapper/208:32:192
205852690,4sleep30-21swapper/309:12:253
205852690,4sleep30-21swapper/309:12:253
158462670,1sleep0131rcu_preempt07:37:180
158462670,1sleep0131rcu_preempt07:37:180
158462670,1sleep0131rcu_preempt07:37:180
93012660,3sleep30-21swapper/307:22:023
93012660,3sleep30-21swapper/307:22:023
285802660,10sleep333-21ksoftirqd/309:20:333
285802660,10sleep333-21ksoftirqd/309:20:333
285802660,10sleep333-21ksoftirqd/309:20:333
15462640,3sleep1201rcuc/110:32:191
15462640,3sleep1201rcuc/110:32:191
112622640,3chrt0-21swapper/312:22:293
112622640,3chrt0-21swapper/312:22:293
32692590,3sleep23264-21ssh09:27:242
32692590,3sleep23264-21ssh09:27:242
32692590,3sleep23264-21ssh09:27:242
173862580,3chrt0-21swapper/210:15:282
286322560,3sleep028631-21ssh10:27:080
286322560,3sleep028631-21ssh10:27:080
37872540,2chrt0-21swapper/010:34:320
37872540,2chrt0-21swapper/010:34:320
262972520,7sleep121-21ksoftirqd/109:17:381
262972520,7sleep121-21ksoftirqd/109:17:381
262972520,7sleep121-21ksoftirqd/109:17:381
213172520,3chrt0-21swapper/011:25:570
213172520,3chrt0-21swapper/011:25:570
10902520,3sleep30-21swapper/309:58:003
10902520,3sleep30-21swapper/309:58:003
19142500,3sleep00-21swapper/011:06:030
19142500,3sleep00-21swapper/011:06:030
19142500,3sleep00-21swapper/011:06:030
63622480,3sleep20-21swapper/208:37:182
63622480,3sleep20-21swapper/208:37:182
318792480,3chrt0-21swapper/312:10:263
318792480,3chrt0-21swapper/312:10:263
318792480,3chrt0-21swapper/312:10:263
287842480,2sleep10-21swapper/112:41:331
287842480,2sleep10-21swapper/112:41:331
86952470,3chrt0-21swapper/012:20:450
86952470,3chrt0-21swapper/012:20:450
103922470,1chrt12-21ksoftirqd/010:07:260
103922470,1chrt12-21ksoftirqd/010:07:260
103242440,2sleep10-21swapper/109:35:151
103242440,2sleep10-21swapper/109:35:151
7000994324,7cyclictest12698-21find08:52:250
7000994324,7cyclictest12698-21find08:52:250
292692430,4sleep20-21swapper/210:27:182
292692430,4sleep20-21swapper/210:27:182
292692430,4sleep20-21swapper/210:27:182
206382430,3chrt0-21swapper/311:24:513
206382430,3chrt0-21swapper/311:24:513
325842420,4sleep30-21swapper/309:24:113
325842420,4sleep30-21swapper/309:24:113
28142420,2sleep20-21swapper/211:07:142
28142420,2sleep20-21swapper/211:07:142
278262420,2sleep00-21swapper/011:32:240
272842420,3sleep20-21swapper/209:52:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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