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2026-04-30 - 00:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack5slot0.osadl.org (updated Wed Apr 29, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1953321380,3sleep02961899cyclictest11:32:410
1953321380,3sleep02961899cyclictest11:32:400
1816521260,2sleep20-21swapper/211:25:292
1816521260,2sleep20-21swapper/211:25:292
337421070,1sleep30-21swapper/310:50:163
2913629833,44sleep30-21swapper/307:07:223
2913629833,44sleep30-21swapper/307:07:213
256572950,2sleep30-21swapper/311:08:113
55112940,2sleep00-21swapper/010:25:160
216922940,1sleep12961999cyclictest09:47:471
40332910,2sleep20-21swapper/211:16:362
138482910,1sleep00-21swapper/009:53:470
188752880,0sleep00-21swapper/012:02:190
318212870,3sleep30-21swapper/312:16:163
28742860,3sleep32962199cyclictest10:17:463
3322850,2sleep32023-21nfsd11:20:133
122852850,2sleep20-21swapper/212:22:082
222022840,1sleep30-21swapper/310:23:393
278562830,3sleep30-21swapper/310:02:553
265502830,1sleep20-21swapper/211:59:352
177202830,2sleep117714-21bash09:30:191
2908228132,45sleep10-21swapper/107:06:401
2908228132,45sleep10-21swapper/107:06:401
238752810,1sleep223869-21sshd11:22:462
160042810,2sleep10-21swapper/110:08:541
249642800,1sleep041ktimersoftd/011:11:530
125252790,1sleep00-21swapper/010:11:540
203332780,2sleep20-21swapper/212:19:082
219142770,3sleep00-21swapper/011:55:300
102432770,2sleep12512-21runrttasks08:50:011
268312750,2sleep10-21swapper/112:07:251
137842750,2sleep10-21swapper/109:50:191
117432750,2sleep10-21swapper/110:00:491
158302730,2sleep20-21swapper/209:57:252
324622720,0sleep10-21swapper/110:10:311
66242710,1sleep30-21swapper/309:39:273
101602690,0sleep00-21swapper/009:12:230
209212680,4sleep22962099cyclictest09:13:322
172172620,0sleep00-21swapper/009:16:320
2905125834,12sleep20-21swapper/207:06:172
2905125834,12sleep20-21swapper/207:06:172
282572570,1sleep228255-21sshd10:02:582
176662490,47sleep1144650irq/27-eth011:22:041
2935524833,11sleep00-21swapper/007:09:560
2935524833,11sleep00-21swapper/007:09:560
287532350,3sleep30-21swapper/310:31:403
136492330,30sleep3144650irq/27-eth010:47:563
126322300,1sleep00-21swapper/010:22:360
274532260,2sleep30-21swapper/312:27:373
243572260,2sleep20-21swapper/210:38:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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