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2026-03-25 - 05:50
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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 Wed Mar 25, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2506321690,4sleep31855099cyclictest23:57:213
1068911100,4ptp4l401ktimersoftd/320:02:283
50062720,3sleep30-21swapper/300:11:513
106891700,1ptp4l401ktimersoftd/322:44:053
106891680,1ptp4l401ktimersoftd/322:07:203
106891630,1ptp4l401ktimersoftd/322:29:483
183092604,10sleep20-21swapper/220:05:152
59422590,3sleep21854299cyclictest21:52:062
106891580,1ptp4l401ktimersoftd/323:26:573
106891580,1ptp4l401ktimersoftd/323:13:273
106891570,1ptp4l401ktimersoftd/323:43:103
106891570,1ptp4l401ktimersoftd/322:14:443
106891570,1ptp4l401ktimersoftd/301:18:403
154492560,2sleep00-21swapper/023:47:590
28152550,1sleep30-21swapper/321:47:013
106891550,1ptp4l401ktimersoftd/322:35:463
106891550,1ptp4l401ktimersoftd/301:27:433
118622540,2sleep20-21swapper/223:12:072
106891540,1ptp4l401ktimersoftd/322:55:243
106891540,1ptp4l401ktimersoftd/322:55:243
14072500,2sleep00-21swapper/022:27:330
106891470,2ptp4l9856-21kworker/3:122:39:513
106891470,0ptp4l401ktimersoftd/301:15:433
106891440,1ptp4l401ktimersoftd/300:40:513
106891420,1ptp4l401ktimersoftd/300:59:323
106891400,1ptp4l401ktimersoftd/300:02:123
106891390,1ptp4l401ktimersoftd/301:24:113
106891380,1ptp4l401ktimersoftd/323:52:183
106891380,1ptp4l401ktimersoftd/323:39:433
106891380,1ptp4l401ktimersoftd/323:10:153
106891380,1ptp4l401ktimersoftd/322:49:123
106891380,1ptp4l401ktimersoftd/322:49:123
106891380,1ptp4l401ktimersoftd/322:19:273
106891380,1ptp4l401ktimersoftd/321:27:183
106891380,1ptp4l401ktimersoftd/320:52:023
106891380,1ptp4l401ktimersoftd/301:07:293
106891380,1ptp4l401ktimersoftd/300:33:073
106891380,1ptp4l401ktimersoftd/300:20:453
106891380,0ptp4l401ktimersoftd/323:02:493
106891370,1ptp4l401ktimersoftd/323:32:393
106891370,1ptp4l401ktimersoftd/323:26:333
106891370,1ptp4l401ktimersoftd/323:17:133
106891370,1ptp4l401ktimersoftd/322:59:273
106891370,1ptp4l401ktimersoftd/322:25:133
106891370,1ptp4l401ktimersoftd/320:19:503
106891370,1ptp4l401ktimersoftd/301:33:043
106891370,1ptp4l401ktimersoftd/301:02:503
106891370,1ptp4l401ktimersoftd/300:15:353
106891360,2ptp4l9856-21kworker/3:121:23:223
106891360,1ptp4l401ktimersoftd/323:47:033
106891360,1ptp4l401ktimersoftd/300:44:353
18530993529,4cyclictest18545-21latency_hist20:06:460
106891350,1ptp4l401ktimersoftd/321:16:473
106891350,1ptp4l401ktimersoftd/320:14:083
106891350,1ptp4l401ktimersoftd/300:28:363
106891350,1ptp4l401ktimersoftd/300:28:363
106891340,10ptp4l401ktimersoftd/320:57:133
18535993328,3cyclictest25-21ksoftirqd/101:36:541
106891330,1ptp4l401ktimersoftd/300:26:503
324192320,2sleep00-21swapper/000:06:380
106891320,10ptp4l401ktimersoftd/321:16:583
106891320,0ptp4l401ktimersoftd/321:41:003
106891320,0ptp4l401ktimersoftd/300:48:023
18535993126,3cyclictest25-21ksoftirqd/100:56:521
106891310,1ptp4l401ktimersoftd/321:33:153
106891310,1ptp4l401ktimersoftd/320:31:533
106891310,1ptp4l401ktimersoftd/320:09:003
106891310,0ptp4l401ktimersoftd/321:55:593
106891310,0ptp4l401ktimersoftd/321:42:053
1853599301,3cyclictest121rcu_preempt23:01:421
18530993025,3cyclictest9-21ksoftirqd/020:41:460
177282306,10sleep10-21swapper/120:02:151
122172300,5sleep01853099cyclictest01:24:110
247492290,3sleep00-21swapper/020:17:010
18542992924,3cyclictest33-21ksoftirqd/200:42:102
18542992922,4cyclictest33-21ksoftirqd/223:52:022
75022280,5sleep31855099cyclictest20:47:073
53132280,4sleep05317-21irqrtprio01:17:120
18542992819,6cyclictest17409-21cstates22:12:012
18535992823,3cyclictest25-21ksoftirqd/120:16:461
106891280,0ptp4l401ktimersoftd/320:23:423
203822271,3sleep120392-21ssh00:59:561
18542992721,3cyclictest33-21ksoftirqd/223:47:072
18542992718,3cyclictest33-21ksoftirqd/200:37:232
1853599272,3cyclictest121rcu_preempt00:49:421
18535992721,3cyclictest25-21ksoftirqd/120:26:281
18530992721,3cyclictest9-21ksoftirqd/000:50:500
106891270,0ptp4l401ktimersoftd/321:10:573
80852260,2sleep20-21swapper/200:13:462
63652260,4sleep1241ktimersoftd/100:12:091
18542992622,3cyclictest33-21ksoftirqd/200:27:342
18542992622,3cyclictest33-21ksoftirqd/200:27:342
18542992621,3cyclictest18804-21tail00:57:202
18542992620,3cyclictest33-21ksoftirqd/221:59:312
18542992619,4cyclictest33-21ksoftirqd/223:25:202
18542992619,4cyclictest33-21ksoftirqd/221:40:542
18542992619,4cyclictest33-21ksoftirqd/220:34:212
18542992612,4cyclictest33-21ksoftirqd/223:46:092
18535992621,3cyclictest25-21ksoftirqd/122:36:491
18535992621,3cyclictest25-21ksoftirqd/121:17:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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