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2025-12-28 - 11:55
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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 100 highest latencies:
System rackdslot3.osadl.org (updated Sun Dec 28, 2025 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491206172,22phc2sys0-21swapper/319:09:573
48012202169,22sleep10-21swapper/119:07:421
48022200168,21sleep20-21swapper/219:07:442
48002200167,22sleep00-21swapper/019:07:420
285721340,6sleep1527099cyclictest22:25:241
504621160,2sleep10-21swapper/122:30:211
5271996129,4cyclictest33-21ksoftirqd/200:05:162
5271996128,10cyclictest33-21ksoftirqd/221:50:212
130672610,4sleep213068-21fschecks_count21:40:162
5271995826,5cyclictest33-21ksoftirqd/223:35:142
282152580,6sleep3527299cyclictest22:10:243
527199578,3cyclictest33-21ksoftirqd/219:30:012
5271995730,7cyclictest33-21ksoftirqd/221:00:192
5271995726,4cyclictest33-21ksoftirqd/222:40:232
5271995726,4cyclictest33-21ksoftirqd/219:55:142
5271995723,3cyclictest33-21ksoftirqd/219:35:132
5271995721,7cyclictest33-21ksoftirqd/221:25:152
5271995624,6cyclictest33-21ksoftirqd/220:45:002
5271995623,6cyclictest33-21ksoftirqd/220:30:172
160832560,2sleep20-21swapper/222:55:002
5271995524,4cyclictest33-21ksoftirqd/223:30:252
5271995523,9cyclictest33-21ksoftirqd/220:05:262
5271995522,6cyclictest33-21ksoftirqd/219:10:212
5271995429,6cyclictest33-21ksoftirqd/221:20:242
5271995420,5cyclictest33-21ksoftirqd/221:05:132
5271995418,7cyclictest33-21ksoftirqd/222:05:282
5271995326,3cyclictest33-21ksoftirqd/220:20:392
5271995321,8cyclictest33-21ksoftirqd/220:15:192
5271995321,6cyclictest33-21ksoftirqd/223:15:272
5271995321,4cyclictest33-21ksoftirqd/223:30:012
5271995319,4cyclictest33-21ksoftirqd/223:00:142
139391530,1ptp4l401ktimersoftd/300:07:423
5271995224,3cyclictest33-21ksoftirqd/222:31:202
5271995224,3cyclictest33-21ksoftirqd/221:15:232
5271995221,9cyclictest33-21ksoftirqd/223:05:242
5271995221,6cyclictest33-21ksoftirqd/200:00:292
5271995220,9cyclictest33-21ksoftirqd/223:50:142
266592520,1sleep10-21swapper/119:55:001
527199515,3cyclictest33-21ksoftirqd/221:40:002
5271995120,5cyclictest33-21ksoftirqd/219:15:262
5271995120,4cyclictest33-21ksoftirqd/222:15:162
5271995120,10cyclictest33-21ksoftirqd/200:15:152
5271995116,6cyclictest33-21ksoftirqd/200:30:142
527199507,3cyclictest33-21ksoftirqd/221:55:242
5271995022,4cyclictest33-21ksoftirqd/221:12:512
5271995020,9cyclictest33-21ksoftirqd/220:50:002
5271995020,9cyclictest33-21ksoftirqd/220:50:002
5271995019,5cyclictest33-21ksoftirqd/221:45:282
5271995017,9cyclictest33-21ksoftirqd/220:50:242
5271995017,9cyclictest33-21ksoftirqd/220:50:242
5271995017,6cyclictest33-21ksoftirqd/223:20:242
527199501,6cyclictest605-21polkitd00:40:002
5271995014,6cyclictest33-21ksoftirqd/200:20:212
5271994919,7cyclictest33-21ksoftirqd/222:35:252
5271994918,6cyclictest33-21ksoftirqd/223:10:152
5271994913,6cyclictest33-21ksoftirqd/223:55:282
527199487,3cyclictest33-21ksoftirqd/221:30:192
527199487,2cyclictest33-21ksoftirqd/222:20:192
527199486,3cyclictest33-21ksoftirqd/220:00:202
5271994825,7cyclictest33-21ksoftirqd/223:45:182
527199482,3cyclictest33-21ksoftirqd/222:50:012
5271994820,9cyclictest33-21ksoftirqd/220:10:152
5271994820,9cyclictest33-21ksoftirqd/219:50:152
5271994816,6cyclictest33-21ksoftirqd/200:25:162
5271994816,5cyclictest33-21ksoftirqd/222:25:252
527199475,3cyclictest33-21ksoftirqd/219:45:012
5271994731,4cyclictest33-21ksoftirqd/220:55:282
5271994717,9cyclictest33-21ksoftirqd/219:30:142
5271994717,7cyclictest33-21ksoftirqd/222:10:192
527199471,6cyclictest33-21ksoftirqd/223:40:162
57898460,2rtkit-daemon577-21rtkit-daemon23:05:250
527199465,2cyclictest33-21ksoftirqd/222:00:192
527199465,2cyclictest33-21ksoftirqd/219:20:202
5271994618,8cyclictest33-21ksoftirqd/200:10:182
527199454,2cyclictest33-21ksoftirqd/220:25:292
5271994520,9cyclictest33-21ksoftirqd/219:50:002
283312440,1sleep00-21swapper/022:10:260
527199431,5cyclictest33-21ksoftirqd/220:35:152
5270994337,4cyclictest28826-21cron20:00:001
139391430,0ptp4l401ktimersoftd/300:35:473
139391430,0ptp4l401ktimersoftd/300:17:463
527199421,2cyclictest33-21ksoftirqd/222:55:202
139391420,0ptp4l401ktimersoftd/322:05:193
139391420,0ptp4l401ktimersoftd/320:38:203
139391420,0ptp4l401ktimersoftd/320:33:213
139391420,0ptp4l401ktimersoftd/319:15:263
5270994135,3cyclictest25-21ksoftirqd/119:35:001
526999402,35cyclictest14755-21cron21:45:000
139391400,0ptp4l401ktimersoftd/322:30:293
5272993911,18cyclictest13909-21kworker/3:019:36:323
5270993934,3cyclictest25-21ksoftirqd/120:39:591
5270993934,3cyclictest25-21ksoftirqd/100:00:001
5270993833,3cyclictest25-21ksoftirqd/121:49:591
5270993833,2cyclictest25-21ksoftirqd/121:35:011
5270993832,3cyclictest25-21ksoftirqd/122:40:001
5270993831,4cyclictest25-21ksoftirqd/122:18:581
57898370,2rtkit-daemon577-21rtkit-daemon19:33:230
5270993732,3cyclictest25-21ksoftirqd/123:20:001
5270993731,3cyclictest25-21ksoftirqd/123:25:211
527299369,3cyclictest13706-21cat22:50:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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