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2026-08-19 - 07:55
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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 Aug 19, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2986621470,4sleep23010399cyclictest02:18:022
1338421460,3sleep33010899cyclictest21:58:033
1068911070,4ptp4l401ktimersoftd/321:23:583
106891910,2ptp4l401ktimersoftd/301:43:093
106891700,1ptp4l401ktimersoftd/300:16:043
223732630,2sleep10-21swapper/100:32:131
106891630,1ptp4l401ktimersoftd/300:11:423
32012590,2sleep20-21swapper/201:49:352
12042590,2sleep00-21swapper/001:15:480
30096995844,6cyclictest25-21ksoftirqd/100:38:161
297582584,41sleep20-21swapper/221:25:052
262232570,3sleep20-21swapper/200:03:162
262232570,3sleep20-21swapper/200:03:162
106891570,1ptp4l401ktimersoftd/302:40:183
106891570,1ptp4l401ktimersoftd/302:36:273
106891570,1ptp4l401ktimersoftd/300:52:103
301992560,2sleep00-21swapper/001:13:030
30096995643,6cyclictest25-21ksoftirqd/121:53:111
111262560,2sleep00-21swapper/021:53:140
106891560,1ptp4l401ktimersoftd/302:20:333
106891560,1ptp4l401ktimersoftd/300:23:013
318552550,2sleep30-21swapper/300:41:353
291782550,5sleep029182-21timerandwakeup02:48:350
106891550,1ptp4l401ktimersoftd/301:31:563
106891540,1ptp4l401ktimersoftd/323:55:443
30096995340,6cyclictest25-21ksoftirqd/101:23:151
213652520,2sleep30-21swapper/323:23:023
132372520,2sleep10-21swapper/121:58:011
30096995140,4cyclictest25-21ksoftirqd/101:48:171
153412510,2sleep30-21swapper/323:52:163
30096994837,5cyclictest25-21ksoftirqd/123:38:171
106891470,2ptp4l9643-21kworker/3:021:48:593
106891470,1ptp4l401ktimersoftd/321:55:063
106891460,2ptp4l9643-21kworker/3:022:48:123
129722450,2sleep00-21swapper/000:54:330
106891450,1ptp4l401ktimersoftd/323:32:223
106891440,1ptp4l401ktimersoftd/302:50:193
106891430,1ptp4l401ktimersoftd/300:03:563
106891430,1ptp4l401ktimersoftd/300:03:563
30096994231,5cyclictest25-21ksoftirqd/121:43:081
30096994129,5cyclictest25-21ksoftirqd/123:43:141
30096994028,10cyclictest25-21ksoftirqd/101:03:241
106891400,1ptp4l401ktimersoftd/302:06:283
30096993929,5cyclictest25-21ksoftirqd/102:28:191
106891390,1ptp4l401ktimersoftd/323:40:293
106891390,1ptp4l401ktimersoftd/301:19:283
106891390,1ptp4l401ktimersoftd/301:05:233
106891380,1ptp4l401ktimersoftd/321:38:233
106891380,1ptp4l401ktimersoftd/302:53:563
106891380,1ptp4l401ktimersoftd/302:10:363
106891380,1ptp4l401ktimersoftd/301:01:013
106891380,1ptp4l401ktimersoftd/300:45:333
106891380,1ptp4l401ktimersoftd/300:35:303
106891380,1ptp4l401ktimersoftd/300:01:393
106891380,1ptp4l401ktimersoftd/300:01:393
30096993727,4cyclictest25-21ksoftirqd/100:43:161
106891370,1ptp4l401ktimersoftd/323:43:443
106891370,1ptp4l401ktimersoftd/323:34:173
106891370,1ptp4l401ktimersoftd/323:27:493
106891370,1ptp4l401ktimersoftd/322:58:183
106891370,1ptp4l401ktimersoftd/322:40:443
106891370,1ptp4l401ktimersoftd/302:43:423
106891370,1ptp4l401ktimersoftd/302:26:053
106891370,1ptp4l401ktimersoftd/302:14:313
106891370,1ptp4l401ktimersoftd/302:02:523
106891370,1ptp4l401ktimersoftd/301:53:583
106891370,1ptp4l401ktimersoftd/301:49:143
106891360,1ptp4l401ktimersoftd/322:08:223
106891360,1ptp4l401ktimersoftd/301:11:453
106891360,1ptp4l401ktimersoftd/300:33:013
106891360,1ptp4l401ktimersoftd/300:26:383
106891360,0ptp4l401ktimersoftd/321:45:233
106891360,0ptp4l401ktimersoftd/301:23:493
106891360,0ptp4l401ktimersoftd/300:54:463
30096993525,4cyclictest25-21ksoftirqd/122:28:131
30096993429,3cyclictest25-21ksoftirqd/101:38:041
30096993429,3cyclictest25-21ksoftirqd/101:38:041
30096993428,3cyclictest25-21ksoftirqd/101:48:041
292812347,12sleep10-21swapper/121:23:271
106891340,1ptp4l401ktimersoftd/301:36:063
106891340,1ptp4l401ktimersoftd/301:36:063
30096993326,4cyclictest25-21ksoftirqd/101:58:331
106891330,1ptp4l401ktimersoftd/301:38:413
89212320,2sleep00-21swapper/000:18:190
30096993226,3cyclictest25-21ksoftirqd/101:58:041
3009699321,28cyclictest5828-21cron21:42:581
30089993225,4cyclictest8194-21cron21:47:580
106891320,1ptp4l401ktimersoftd/322:45:453
106891320,11ptp4l401ktimersoftd/322:20:103
106891320,11ptp4l401ktimersoftd/322:20:103
106891320,10ptp4l401ktimersoftd/323:05:033
106891320,0ptp4l401ktimersoftd/301:15:143
30103993125,4cyclictest33-21ksoftirqd/201:18:252
30096993126,3cyclictest25-21ksoftirqd/101:03:041
30096993125,3cyclictest25-21ksoftirqd/101:43:041
30096993125,3cyclictest25-21ksoftirqd/100:58:031
106891310,1ptp4l401ktimersoftd/322:25:253
30096993025,3cyclictest25-21ksoftirqd/122:43:011
30096993025,3cyclictest25-21ksoftirqd/101:18:041
30096993025,3cyclictest25-21ksoftirqd/100:53:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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