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2026-05-02 - 11:53
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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 rackbslot6.osadl.org (updated Sat May 02, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911260,8ptp4l27665-21kworker/3:020:24:263
44762890,2sleep10-21swapper/100:40:121
106891700,1ptp4l401ktimersoftd/323:23:463
106891690,1ptp4l401ktimersoftd/322:50:203
106891650,1ptp4l401ktimersoftd/300:13:543
297002610,2sleep10-21swapper/100:00:091
296512590,2sleep00-21swapper/000:00:040
247482590,2sleep20-21swapper/201:01:132
9210995649,4cyclictest9-21ksoftirqd/022:48:010
106891560,1ptp4l16999-21kworker/3:001:39:303
37202540,1sleep30-21swapper/301:44:543
9210995346,4cyclictest9-21ksoftirqd/021:43:000
9210995245,4cyclictest9-21ksoftirqd/001:33:070
9210995145,3cyclictest9-21ksoftirqd/023:13:010
88382514,36sleep00-21swapper/020:24:200
88332514,34sleep10-21swapper/120:24:171
235532510,2sleep20-21swapper/223:21:322
9210995045,3cyclictest9-21ksoftirqd/022:38:000
9210995044,3cyclictest9-21ksoftirqd/001:03:050
9210995043,4cyclictest9-21ksoftirqd/000:08:020
9210995042,4cyclictest9-21ksoftirqd/021:18:000
9210994943,3cyclictest9-21ksoftirqd/021:53:000
9210994943,3cyclictest9-21ksoftirqd/021:53:000
9210994943,3cyclictest9-21ksoftirqd/000:18:060
9210994943,3cyclictest9-21ksoftirqd/000:13:060
9210994942,4cyclictest9-21ksoftirqd/022:53:000
106891480,1ptp4l11300-21kworker/3:120:44:143
106891480,0ptp4l401ktimersoftd/301:55:133
9210994739,4cyclictest9-21ksoftirqd/020:27:590
106891470,1ptp4l11300-21kworker/3:121:34:293
9210994639,4cyclictest9-21ksoftirqd/023:18:030
9210994638,4cyclictest9-21ksoftirqd/021:03:070
9210994539,3cyclictest9-21ksoftirqd/000:48:030
106891450,1ptp4l401ktimersoftd/300:46:523
9215994434,6cyclictest25-21ksoftirqd/122:43:011
9210994438,3cyclictest9-21ksoftirqd/023:02:550
106891440,1ptp4l401ktimersoftd/300:21:033
106891430,1ptp4l18740-21kworker/3:200:24:203
106891400,0ptp4l401ktimersoftd/323:33:133
106891400,0ptp4l401ktimersoftd/323:33:133
9210993932,4cyclictest9-21ksoftirqd/001:23:120
106891390,1ptp4l401ktimersoftd/323:38:033
106891390,1ptp4l401ktimersoftd/323:38:033
106891380,1ptp4l401ktimersoftd/323:58:023
106891380,1ptp4l401ktimersoftd/323:46:573
106891380,1ptp4l401ktimersoftd/322:42:493
106891380,1ptp4l401ktimersoftd/321:53:023
106891380,1ptp4l401ktimersoftd/321:53:023
106891380,1ptp4l401ktimersoftd/301:37:043
106891380,1ptp4l401ktimersoftd/301:10:303
106891380,1ptp4l401ktimersoftd/300:28:553
26072370,2sleep30-21swapper/300:05:543
106891370,1ptp4l401ktimersoftd/323:19:333
106891370,1ptp4l401ktimersoftd/323:11:483
106891370,1ptp4l401ktimersoftd/322:44:293
106891370,1ptp4l401ktimersoftd/322:29:103
106891370,1ptp4l401ktimersoftd/301:48:263
106891370,1ptp4l401ktimersoftd/301:30:583
106891370,1ptp4l401ktimersoftd/301:26:213
106891370,1ptp4l401ktimersoftd/301:22:143
106891370,1ptp4l401ktimersoftd/301:22:143
106891370,1ptp4l401ktimersoftd/301:14:323
106891370,1ptp4l401ktimersoftd/301:05:593
106891370,1ptp4l401ktimersoftd/300:42:203
106891370,1ptp4l401ktimersoftd/300:37:253
106891370,0ptp4l401ktimersoftd/322:37:503
386423616,8sleep233-21ksoftirqd/200:39:102
106891360,1ptp4l401ktimersoftd/323:48:143
106891360,1ptp4l401ktimersoftd/323:29:393
106891360,1ptp4l401ktimersoftd/323:15:073
106891360,1ptp4l401ktimersoftd/300:50:343
106891360,1ptp4l401ktimersoftd/300:09:063
106891360,0ptp4l401ktimersoftd/300:57:473
9210993526,4cyclictest9-21ksoftirqd/000:38:050
106891350,1ptp4l401ktimersoftd/323:04:403
106891350,1ptp4l401ktimersoftd/322:57:013
106891350,0ptp4l401ktimersoftd/300:58:403
9210993429,3cyclictest9-21ksoftirqd/023:43:090
9210993429,3cyclictest9-21ksoftirqd/022:58:070
9210993428,3cyclictest9-21ksoftirqd/000:03:030
9210993328,3cyclictest9-21ksoftirqd/022:17:490
9210993327,3cyclictest9-21ksoftirqd/023:52:510
9210993327,3cyclictest9-21ksoftirqd/021:13:030
9210993327,3cyclictest9-21ksoftirqd/020:57:480
71442331,25sleep27305-21df20:23:012
106891330,12ptp4l401ktimersoftd/321:59:023
9210993227,3cyclictest9-21ksoftirqd/001:08:210
9210993226,3cyclictest9-21ksoftirqd/023:37:510
9210993226,3cyclictest9-21ksoftirqd/023:37:510
106891320,1ptp4l401ktimersoftd/321:27:363
106891320,10ptp4l401ktimersoftd/323:54:553
106891320,0ptp4l401ktimersoftd/320:48:063
9210993126,3cyclictest9-21ksoftirqd/023:53:110
9210993126,3cyclictest9-21ksoftirqd/001:38:240
9210993125,3cyclictest9-21ksoftirqd/021:12:480
106891310,1ptp4l401ktimersoftd/321:52:433
106891310,1ptp4l401ktimersoftd/321:31:043
106891310,0ptp4l401ktimersoftd/321:13:453
921599301,6cyclictest16374-21ssh23:13:171
921099308,11cyclictest9-21ksoftirqd/022:43:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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