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2026-07-17 - 10:58
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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 Fri Jul 17, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2470221800,4sleep13115299cyclictest02:27:171
1068911230,9ptp4l17097-21kworker/3:121:08:163
106891760,1ptp4l401ktimersoftd/300:12:593
106891730,1ptp4l401ktimersoftd/301:41:393
106891710,1ptp4l401ktimersoftd/301:21:323
106891710,1ptp4l401ktimersoftd/301:21:323
54872680,4sleep33116499cyclictest23:55:113
106891680,1ptp4l401ktimersoftd/302:39:033
106891620,1ptp4l401ktimersoftd/300:41:373
106891580,1ptp4l401ktimersoftd/323:23:473
106891560,1ptp4l401ktimersoftd/322:41:173
106891550,1ptp4l401ktimersoftd/300:23:583
87402540,2sleep30-21swapper/301:05:093
283492520,2sleep00-21swapper/000:19:330
108732470,3sleep20-21swapper/223:28:202
106891460,1ptp4l401ktimersoftd/300:54:323
106891410,1ptp4l401ktimersoftd/323:45:033
106891410,17ptp4l401ktimersoftd/323:00:143
106891400,1ptp4l401ktimersoftd/300:35:163
31147993931,5cyclictest9-21ksoftirqd/021:14:580
106891390,1ptp4l401ktimersoftd/302:10:103
106891390,1ptp4l401ktimersoftd/301:03:133
288252380,1sleep20-21swapper/202:30:592
236392380,1sleep00-21swapper/023:40:180
236392380,1sleep00-21swapper/023:40:180
106891380,2ptp4l6080-21kworker/3:101:37:283
106891380,1ptp4l401ktimersoftd/323:34:293
106891380,1ptp4l401ktimersoftd/323:12:063
106891380,1ptp4l401ktimersoftd/301:53:583
106891380,1ptp4l401ktimersoftd/300:58:213
106891380,1ptp4l401ktimersoftd/300:26:583
106891380,1ptp4l401ktimersoftd/300:16:283
106891380,1ptp4l401ktimersoftd/300:07:173
106891380,1ptp4l401ktimersoftd/300:03:063
106891380,0ptp4l401ktimersoftd/323:54:043
106891380,0ptp4l401ktimersoftd/301:48:043
106891370,1ptp4l401ktimersoftd/323:34:523
106891370,1ptp4l401ktimersoftd/323:26:423
106891370,1ptp4l401ktimersoftd/323:17:043
106891370,1ptp4l401ktimersoftd/302:23:073
106891370,1ptp4l401ktimersoftd/302:15:483
106891370,1ptp4l401ktimersoftd/301:55:013
106891370,1ptp4l401ktimersoftd/301:26:273
106891370,1ptp4l401ktimersoftd/301:26:273
106891370,1ptp4l401ktimersoftd/301:17:093
106891370,1ptp4l401ktimersoftd/301:11:103
106891370,1ptp4l401ktimersoftd/300:34:143
31147993626,6cyclictest9-21ksoftirqd/001:55:050
106891360,1ptp4l401ktimersoftd/321:16:153
106891360,1ptp4l401ktimersoftd/302:01:543
106891360,0ptp4l401ktimersoftd/322:14:433
106891360,0ptp4l401ktimersoftd/302:25:253
106891360,0ptp4l401ktimersoftd/302:07:403
106891350,1ptp4l401ktimersoftd/301:31:483
31147993421,7cyclictest9-21ksoftirqd/002:20:060
106891340,1ptp4l401ktimersoftd/323:41:443
106891340,1ptp4l401ktimersoftd/323:41:443
106891330,2ptp4l17097-21kworker/3:121:24:423
68692320,2sleep20-21swapper/223:56:262
303342326,11sleep20-21swapper/221:05:142
298752320,2sleep10-21swapper/100:54:141
106891320,1ptp4l401ktimersoftd/322:56:413
106891320,1ptp4l401ktimersoftd/322:35:113
106891320,1ptp4l401ktimersoftd/300:45:163
106891320,12ptp4l401ktimersoftd/322:48:363
3115299313,21cyclictest0-21swapper/123:35:011
106891310,9ptp4l401ktimersoftd/322:05:053
106891310,1ptp4l401ktimersoftd/302:30:593
31147993024,4cyclictest28560-21kworker/0:122:45:010
31147993024,3cyclictest9-21ksoftirqd/002:04:530
304692305,11sleep00-21swapper/021:05:160
106891300,0ptp4l401ktimersoftd/322:27:223
31158992922,4cyclictest33-21ksoftirqd/200:31:272
31147992924,3cyclictest9-21ksoftirqd/023:59:500
31147992924,3cyclictest9-21ksoftirqd/001:25:060
31147992924,3cyclictest9-21ksoftirqd/001:25:060
31147992923,3cyclictest9-21ksoftirqd/021:55:160
296202296,10sleep10-21swapper/121:05:051
267432290,2sleep20-21swapper/223:44:502
250992290,1sleep20-21swapper/201:21:132
250992290,1sleep20-21swapper/201:21:132
106891290,1ptp4l401ktimersoftd/322:50:003
3114799284,13cyclictest2203-21ssh02:05:080
3114799283,14cyclictest21757-21ssh02:25:040
31147992823,3cyclictest9-21ksoftirqd/000:50:120
31147992822,3cyclictest9-21ksoftirqd/022:19:470
31147992822,3cyclictest9-21ksoftirqd/002:10:060
31147992821,4cyclictest9-21ksoftirqd/021:20:080
106891280,1ptp4l401ktimersoftd/321:50:073
106891280,1ptp4l401ktimersoftd/321:50:073
31164992720,4cyclictest41-21ksoftirqd/322:01:253
31164992720,4cyclictest41-21ksoftirqd/321:35:433
31158992720,4cyclictest33-21ksoftirqd/222:15:452
3114799274,13cyclictest29816-21ssh23:15:010
31147992722,3cyclictest9-21ksoftirqd/023:29:490
31147992722,3cyclictest9-21ksoftirqd/021:39:460
31147992721,3cyclictest9-21ksoftirqd/022:14:480
31147992720,3cyclictest9-21ksoftirqd/023:10:070
31147992715,9cyclictest9-21ksoftirqd/000:59:510
106891270,11ptp4l401ktimersoftd/321:28:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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