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2026-06-14 - 17:02
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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 Jun 14, 2026 12:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1966223620,8sleep119524-1kworker/u9:007:10:331
2846021570,3sleep30-21swapper/307:35:273
2846021570,3sleep30-21swapper/307:35:273
2846021570,3sleep30-21swapper/307:35:273
2590921400,3sleep10-21swapper/108:55:421
2590921400,3sleep10-21swapper/108:55:421
1729621370,4sleep10-21swapper/111:35:461
1729621370,4sleep10-21swapper/111:35:461
2572721230,3sleep125726-21/usr/sbin/munin11:45:471
2572721230,3sleep125726-21/usr/sbin/munin11:45:471
2572721230,3sleep125726-21/usr/sbin/munin11:45:471
157932990,3sleep00-21swapper/011:35:250
157932990,3sleep00-21swapper/011:35:250
198392980,4sleep00-21swapper/010:17:320
198392980,4sleep00-21swapper/010:17:320
43462960,3sleep10-21swapper/111:20:351
285182920,3chrt28454-21latency_hist09:05:260
285182920,3chrt28454-21latency_hist09:05:260
224372750,3sleep00-21swapper/010:20:370
224372750,3sleep00-21swapper/010:20:370
240172640,3chrt0-21swapper/310:22:133
240172640,3chrt0-21swapper/310:22:133
171792630,3sleep00-21swapper/011:35:450
171792630,3sleep00-21swapper/011:35:450
26262590,3chrt0-21swapper/011:17:490
26262590,3chrt0-21swapper/011:17:490
33622570,2sleep00-21swapper/012:00:130
33622570,2sleep00-21swapper/012:00:130
33622570,2sleep00-21swapper/012:00:130
134872570,3sleep00-21swapper/012:12:020
134872570,3sleep00-21swapper/012:12:020
296782560,2sleep229731-21cut10:30:332
296782560,2sleep229731-21cut10:30:332
296782560,2sleep229731-21cut10:30:332
90622540,3sleep00-21swapper/011:25:440
90622540,3sleep00-21swapper/011:25:440
290262540,3chrt0-21swapper/009:48:340
290262540,3chrt0-21swapper/009:48:340
290262540,3chrt0-21swapper/009:48:340
112982540,2chrt0-21swapper/212:10:242
112982540,2chrt0-21swapper/212:10:242
112982540,2chrt0-21swapper/212:10:242
297582530,3chrt0-21swapper/009:05:460
297582530,3chrt0-21swapper/009:05:460
255362520,2sleep00-21swapper/011:45:470
255362520,2sleep00-21swapper/011:45:470
255362520,2sleep00-21swapper/011:45:470
141282520,4chrt0-21swapper/312:13:183
141282520,4chrt0-21swapper/312:13:183
202832500,2sleep219376-21ls07:10:432
159102470,2chrt0-21swapper/009:32:510
159102470,2chrt0-21swapper/009:32:510
134672460,2sleep020840-21cyclictest08:20:450
134672460,2sleep020840-21cyclictest08:20:450
68312430,3sleep00-21swapper/011:23:230
68312430,3sleep00-21swapper/011:23:230
68312430,3sleep00-21swapper/011:23:230
302602430,3chrt0-21swapper/011:11:050
302602430,3chrt0-21swapper/011:11:050
302602430,3chrt0-21swapper/011:11:050
207732401,29sleep30-21swapper/307:10:483
91402380,3sleep00-21swapper/010:05:220
91402380,3sleep00-21swapper/010:05:220
91402380,3sleep00-21swapper/010:05:220
88072340,3sleep10-21swapper/111:25:421
88072340,3sleep10-21swapper/111:25:421
50072340,3chrt0-21swapper/209:19:342
50072340,3chrt0-21swapper/209:19:342
50072340,3chrt0-21swapper/209:19:342
12872340,5sleep21279-21fschecks_count10:35:342
12872340,5sleep21279-21fschecks_count10:35:342
64302330,3sleep00-21swapper/010:40:550
64302330,3sleep00-21swapper/010:40:550
227482330,2sleep00-21swapper/011:01:330
227482330,2sleep00-21swapper/011:01:330
57462320,2sleep30-21swapper/310:40:423
57462320,2sleep30-21swapper/310:40:423
35472320,2sleep10-21swapper/109:16:241
35472320,2sleep10-21swapper/109:16:241
35472320,2sleep10-21swapper/109:16:241
303792320,2sleep00-21swapper/011:52:170
303792320,2sleep00-21swapper/011:52:170
280962320,2chrt0-21swapper/010:27:490
280962320,2chrt0-21swapper/010:27:490
280962320,2chrt0-21swapper/010:27:490
77672310,3sleep00-21swapper/012:05:350
77672310,3sleep00-21swapper/012:05:350
215752300,2sleep121584-21ssh12:21:091
215752300,2sleep121584-21ssh12:21:091
20842993013,4cyclictest12-21ksoftirqd/009:54:470
20842993013,4cyclictest12-21ksoftirqd/009:54:470
20842993013,4cyclictest12-21ksoftirqd/009:54:470
95682290,4sleep30-21swapper/308:10:433
95682290,4sleep30-21swapper/308:10:433
52372290,8sleep121-21ksoftirqd/112:01:141
52372290,8sleep121-21ksoftirqd/112:01:141
310002290,3sleep30-21swapper/309:10:393
310002290,3sleep30-21swapper/309:10:393
290612290,3sleep10-21swapper/112:30:441
290612290,3sleep10-21swapper/112:30:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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