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2026-06-13 - 10:38
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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 rackdslot4.osadl.org (updated Sat Jun 13, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200102204171,21sleep20-21swapper/219:06:402
201772202168,23sleep10-21swapper/119:08:481
200432202169,22sleep00-21swapper/019:07:060
202562200165,23sleep30-21swapper/319:09:503
470521310,7sleep02056299cyclictest19:40:190
1385918261,11phc2sys0-21swapper/319:10:013
2056499649,18cyclictest4782-21mailstats21:50:252
2056499640,21cyclictest30928-21df_abs21:40:142
126352640,2sleep10-21swapper/119:55:251
2056499631,22cyclictest27906-21sshd23:40:282
2056499630,22cyclictest24498-21ptp4l21:25:202
2056499630,22cyclictest14549-21latency23:15:182
92042610,4sleep10-21swapper/119:50:151
2056499570,22cyclictest12226-21sensors22:05:222
138491560,1ptp4l401ktimersoftd/319:40:323
125702550,5sleep1231rcuc/100:15:231
2056499530,24cyclictest8427-21wc20:55:132
50798470,2rtkit-daemon506-21rtkit-daemon20:18:361
2056299461,42cyclictest18550-21sh00:30:010
119322460,4sleep311936-21needreboot22:05:213
138491430,0ptp4l401ktimersoftd/322:10:313
20562994237,3cyclictest9-21ksoftirqd/020:00:000
20562994236,3cyclictest12949-21sh22:09:590
138491420,0ptp4l401ktimersoftd/320:51:263
138491420,0ptp4l401ktimersoftd/300:38:133
138491420,0ptp4l401ktimersoftd/300:18:033
20562993934,3cyclictest9-21ksoftirqd/020:20:010
20562993934,3cyclictest30290-21cron21:40:000
20562993933,3cyclictest9-21ksoftirqd/022:20:010
20565993832,3cyclictest41-21ksoftirqd/322:30:153
20563993832,4cyclictest25-21ksoftirqd/100:10:011
20562993833,3cyclictest9-21ksoftirqd/022:40:000
20562993833,3cyclictest9-21ksoftirqd/022:20:130
20562993833,3cyclictest9-21ksoftirqd/021:35:000
20562993832,3cyclictest9-21ksoftirqd/022:10:170
138491380,1ptp4l401ktimersoftd/322:59:583
138491380,0ptp4l401ktimersoftd/320:10:013
20565993732,3cyclictest41-21ksoftirqd/320:30:183
20565993732,3cyclictest41-21ksoftirqd/319:40:003
20565993731,4cyclictest41-21ksoftirqd/320:28:043
20565993731,4cyclictest41-21ksoftirqd/319:26:303
20564993732,3cyclictest33-21ksoftirqd/219:40:002
20564993731,4cyclictest33-21ksoftirqd/223:07:022
20564993731,4cyclictest33-21ksoftirqd/200:01:572
2056499370,23cyclictest1746-21cat21:45:202
2056499370,22cyclictest22170-21cat23:30:172
20563993731,4cyclictest25-21ksoftirqd/100:30:101
20563993730,5cyclictest25-21ksoftirqd/100:20:051
20562993732,3cyclictest9-21ksoftirqd/023:20:230
20562993732,3cyclictest9-21ksoftirqd/021:50:010
20562993732,2cyclictest9-21ksoftirqd/019:40:000
20562993731,3cyclictest9-21ksoftirqd/021:40:130
20562993731,3cyclictest9-21ksoftirqd/019:25:190
138491370,0ptp4l401ktimersoftd/319:58:143
50798360,1rtkit-daemon506-21rtkit-daemon21:20:171
20565993631,3cyclictest41-21ksoftirqd/323:25:183
20565993631,3cyclictest41-21ksoftirqd/322:51:003
20565993630,4cyclictest41-21ksoftirqd/321:06:153
20565993630,4cyclictest41-21ksoftirqd/320:01:363
20565993630,4cyclictest41-21ksoftirqd/300:27:293
20565993630,4cyclictest41-21ksoftirqd/300:09:053
20565993628,5cyclictest41-21ksoftirqd/320:58:533
20564993631,3cyclictest33-21ksoftirqd/220:18:252
20564993630,4cyclictest33-21ksoftirqd/222:53:212
20564993630,4cyclictest33-21ksoftirqd/222:14:012
2056499360,22cyclictest18036-21cat00:25:262
20563993631,3cyclictest25-21ksoftirqd/122:07:551
20563993630,4cyclictest25-21ksoftirqd/122:10:561
20563993630,4cyclictest25-21ksoftirqd/121:25:271
20563993630,4cyclictest25-21ksoftirqd/119:35:111
20563993630,4cyclictest25-21ksoftirqd/119:17:421
20563993629,5cyclictest25-21ksoftirqd/122:55:571
20562993631,3cyclictest9-21ksoftirqd/021:55:190
20562993630,4cyclictest9-21ksoftirqd/021:20:090
20562993630,3cyclictest9-21ksoftirqd/020:40:170
20562993629,5cyclictest9-21ksoftirqd/020:30:380
138491360,0ptp4l401ktimersoftd/321:25:223
138491360,0ptp4l401ktimersoftd/319:30:193
20565993530,3cyclictest41-21ksoftirqd/322:00:123
20565993530,3cyclictest25827-21turbostat23:40:013
20565993529,4cyclictest41-21ksoftirqd/321:18:593
20565993529,4cyclictest41-21ksoftirqd/320:07:183
20565993529,4cyclictest41-21ksoftirqd/319:52:503
20565993529,4cyclictest41-21ksoftirqd/319:49:493
20564993530,3cyclictest33-21ksoftirqd/223:52:172
20564993530,3cyclictest33-21ksoftirqd/221:33:262
20564993530,3cyclictest33-21ksoftirqd/221:15:412
20564993529,4cyclictest33-21ksoftirqd/221:58:172
20564993529,4cyclictest33-21ksoftirqd/220:28:112
20564993529,4cyclictest33-21ksoftirqd/219:47:152
20563993530,3cyclictest25-21ksoftirqd/120:31:031
20563993529,4cyclictest25-21ksoftirqd/122:18:301
20563993529,4cyclictest25-21ksoftirqd/100:29:481
20563993529,4cyclictest25-21ksoftirqd/100:10:031
20563993529,3cyclictest25-21ksoftirqd/122:50:011
20563993528,5cyclictest25-21ksoftirqd/123:53:581
20563993528,4cyclictest25-21ksoftirqd/121:16:441
20562993531,3cyclictest9-21ksoftirqd/022:30:160
20562993531,3cyclictest9-21ksoftirqd/020:30:000
20562993530,3cyclictest9-21ksoftirqd/023:54:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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