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2026-06-09 - 15:58
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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 Jun 09, 2026 12:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1828521540,3sleep30-21swapper/312:05:243
1828521540,3sleep30-21swapper/312:05:243
1720321430,2sleep117204-21perl07:55:321
1720321430,2sleep117204-21perl07:55:321
266921380,3sleep30-21swapper/311:45:183
266921380,3sleep30-21swapper/311:45:183
426621220,3sleep30-21swapper/312:26:223
426621220,3sleep30-21swapper/312:26:223
3112121120,2sleep20-21swapper/210:15:312
853121110,3chrt0-21swapper/307:30:353
1071221090,2chrt0-21swapper/109:50:341
1071221090,2chrt0-21swapper/109:50:341
374821040,6sleep319525-21kworker/3:211:04:033
374821040,6sleep319525-21kworker/3:211:04:033
374821040,6sleep319525-21kworker/3:211:04:033
257721030,2sleep30-21swapper/309:40:313
2226421020,2chrt0-21swapper/310:45:223
2226421020,2chrt0-21swapper/310:45:223
514921010,2sleep30-21swapper/308:50:403
1617321000,2sleep10-21swapper/110:37:041
109392980,3sleep30-21swapper/310:30:393
179562970,1sleep121-21ksoftirqd/112:04:531
179562970,1sleep121-21ksoftirqd/112:04:531
129812930,4chrt0-21swapper/311:57:443
129812930,4chrt0-21swapper/311:57:443
121472880,3chrt0-21swapper/311:15:363
121472880,3chrt0-21swapper/311:15:363
121472880,3chrt0-21swapper/311:15:363
121472880,3chrt0-21swapper/311:15:363
47452860,3sleep10-21swapper/111:46:491
47452860,3sleep10-21swapper/111:46:491
34262820,2sleep30-21swapper/310:20:423
34262820,2sleep30-21swapper/310:20:423
24822770,3sleep10-21swapper/111:01:031
24822770,3sleep10-21swapper/111:01:031
24822770,3sleep10-21swapper/111:01:031
239252740,2sleep30-21swapper/312:11:313
239252740,2sleep30-21swapper/312:11:313
143292740,2sleep30-21swapper/309:55:223
143292740,2sleep30-21swapper/309:55:223
301802730,2sleep11969-21cyclictest10:14:411
301802730,2sleep11969-21cyclictest10:14:411
263282730,3sleep10-21swapper/110:50:301
263282730,3sleep10-21swapper/110:50:301
177252700,3sleep30-21swapper/310:39:273
165492690,5sleep30-21swapper/309:56:513
165492690,5sleep30-21swapper/309:56:513
19282680,4sleep1476-21ls07:11:001
298472670,3sleep30-21swapper/311:38:233
298472670,3sleep30-21swapper/311:38:233
108122620,1sleep210938-21cut10:30:392
192702590,3sleep119147-21/usr/sbin/munin10:00:311
192702590,3sleep119147-21/usr/sbin/munin10:00:311
192702590,3sleep119147-21/usr/sbin/munin10:00:311
50382570,2sleep25148-21sort08:50:402
246252550,3sleep20-21swapper/209:26:072
246252550,3sleep20-21swapper/209:26:072
268802530,2sleep30-21swapper/312:15:333
268802530,2sleep30-21swapper/312:15:333
239752520,3sleep10-21swapper/112:11:371
239752520,3sleep10-21swapper/112:11:371
82242510,3sleep10-21swapper/112:31:341
82242510,3sleep10-21swapper/112:31:341
259722500,3sleep30-21swapper/311:34:293
179692480,2sleep10-21swapper/111:24:381
179692480,2sleep10-21swapper/111:24:381
179692480,2sleep10-21swapper/111:24:381
250882470,3sleep10-21swapper/111:33:061
59132450,2sleep10-21swapper/110:25:181
59132450,2sleep10-21swapper/110:25:181
64502440,2sleep121-21ksoftirqd/109:45:321
53172440,2sleep00-21swapper/011:47:560
53172440,2sleep00-21swapper/011:47:560
308452440,1sleep227-21ksoftirqd/209:35:282
308452440,1sleep227-21ksoftirqd/209:35:282
291922440,3sleep10-21swapper/110:54:041
291922440,3sleep10-21swapper/110:54:041
291922440,3sleep10-21swapper/110:54:041
131842440,3chrt0-21swapper/312:38:393
131842440,3chrt0-21swapper/312:38:393
23862430,3sleep30-21swapper/308:45:253
23862430,3sleep30-21swapper/308:45:253
23862430,3sleep30-21swapper/308:45:253
127122430,2sleep10-21swapper/111:15:421
127122430,2sleep10-21swapper/111:15:421
127122430,2sleep10-21swapper/111:15:421
127122430,2sleep10-21swapper/111:15:421
140862420,3sleep00-21swapper/009:55:070
140862420,3sleep00-21swapper/009:55:070
113392410,3sleep20-21swapper/211:55:382
113392410,3sleep20-21swapper/211:55:382
116312400,4sleep20-21swapper/211:15:312
116312400,4sleep20-21swapper/211:15:312
116312400,4sleep20-21swapper/211:15:312
68432390,2sleep2261rcuc/207:25:352
68432390,2sleep2261rcuc/207:25:352
68432390,2sleep2261rcuc/207:25:352
283182390,3sleep30-21swapper/308:25:363
283182390,3sleep30-21swapper/308:25:363
283182390,3sleep30-21swapper/308:25:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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