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2026-05-09 - 04:01
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot8.osadl.org (updated Sat May 09, 2026 00:49:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3273913300,322ptp4l0-21swapper/119:06:391
77649919627,1cyclictest151rcu_preempt00:01:2616
17282187178,6sleep210-21swapper/2119:05:1114
77749916344,72cyclictest0-21swapper/2400:15:2017
77539916119,103cyclictest143-21ksoftirqd/2121:13:0214
77749915630,77cyclictest0-21swapper/2421:10:2017
762799156112,26cyclictest0-21swapper/023:29:570
762799153112,25cyclictest0-21swapper/022:03:590
77749915144,57cyclictest0-21swapper/2421:30:2317
77749915036,67cyclictest0-21swapper/2421:40:1717
77749914728,65cyclictest0-21swapper/2400:30:0117
76549914754,72cyclictest0-21swapper/621:40:1128
77749914522,94cyclictest0-21swapper/2421:16:1517
7654991430,84cyclictest0-21swapper/621:50:1928
77749914252,57cyclictest0-21swapper/2421:46:1317
77749914229,66cyclictest0-21swapper/2423:14:3517
7774991411,84cyclictest0-21swapper/2423:02:3417
77749914030,66cyclictest0-21swapper/2423:18:3617
7680991400,81cyclictest0-21swapper/1223:00:104
7828991390,87cyclictest0-21swapper/3119:57:1225
7828991390,87cyclictest0-21swapper/3119:57:1225
77749913954,67cyclictest0-21swapper/2420:15:2217
77749913954,67cyclictest0-21swapper/2420:15:2217
77749913949,56cyclictest0-21swapper/2420:50:1817
76549913938,65cyclictest0-21swapper/619:36:5328
76549913938,65cyclictest0-21swapper/619:36:5328
78289913826,75cyclictest0-21swapper/3122:24:5625
77749913854,60cyclictest0-21swapper/2400:00:0117
77749913849,58cyclictest0-21swapper/2422:05:2317
77749913839,60cyclictest0-21swapper/2400:39:1917
76809913826,74cyclictest0-21swapper/1200:00:054
76549913850,66cyclictest0-21swapper/623:43:2028
76549913830,67cyclictest0-21swapper/622:48:1328
76549913828,65cyclictest0-21swapper/622:35:1328
7654991380,82cyclictest0-21swapper/600:30:3928
7816991372,76cyclictest27132-21taskset19:50:1222
7816991372,76cyclictest27132-21taskset19:50:1222
77839913756,80cyclictest0-21swapper/2522:24:5018
77839913756,59cyclictest0-21swapper/2521:28:1118
77749913746,59cyclictest0-21swapper/2423:51:4517
7774991370,80cyclictest0-21swapper/2423:45:1917
76809913730,66cyclictest0-21swapper/1223:52:054
76549913750,59cyclictest0-21swapper/619:20:0928
76549913750,59cyclictest0-21swapper/619:20:0828
76549913730,65cyclictest0-21swapper/620:50:0628
76549913727,64cyclictest0-21swapper/622:05:2728
78169913661,52cyclictest0-21swapper/2922:54:3422
77839913655,46cyclictest0-21swapper/2523:09:1118
77749913659,62cyclictest0-21swapper/2419:35:1217
77749913659,62cyclictest0-21swapper/2419:35:1117
77749913628,65cyclictest0-21swapper/2422:01:3917
77539913615,29cyclictest0-21swapper/2122:44:1814
76809913632,68cyclictest0-21swapper/1200:36:084
76809913627,66cyclictest0-21swapper/1200:33:454
76809913626,67cyclictest0-21swapper/1221:10:224
76549913652,62cyclictest0-21swapper/621:35:3128
76549913650,56cyclictest0-21swapper/622:51:5628
76549913626,66cyclictest0-21swapper/623:00:5128
7816991350,85cyclictest0-21swapper/2919:16:1622
7816991350,85cyclictest0-21swapper/2919:16:1622
77749913529,65cyclictest0-21swapper/2419:50:1117
77749913529,65cyclictest0-21swapper/2419:50:1117
77749913527,63cyclictest0-21swapper/2420:45:1317
7774991350,81cyclictest0-21swapper/2423:34:3717
77539913529,85cyclictest0-21swapper/2122:25:1414
76809913548,57cyclictest0-21swapper/1200:15:034
76809913529,70cyclictest0-21swapper/1200:05:404
76549913545,58cyclictest0-21swapper/621:25:5428
76549913529,62cyclictest0-21swapper/600:22:0628
76549913528,64cyclictest0-21swapper/623:52:4328
76549913527,68cyclictest0-21swapper/623:55:2228
76549913526,69cyclictest0-21swapper/600:11:3428
76549913524,64cyclictest0-21swapper/622:15:5728
77749913451,63cyclictest0-21swapper/2422:30:2917
77749913432,67cyclictest0-21swapper/2423:35:0717
76809913441,69cyclictest0-21swapper/1223:26:304
76809913428,72cyclictest0-21swapper/1219:25:244
76809913428,72cyclictest0-21swapper/1219:25:244
76809913428,69cyclictest0-21swapper/1221:59:504
76809913428,69cyclictest0-21swapper/1219:30:254
76809913428,69cyclictest0-21swapper/1219:30:244
76809913427,64cyclictest0-21swapper/1220:40:144
7680991340,78cyclictest0-21swapper/1221:45:074
76549913472,53cyclictest0-21swapper/622:11:5128
76549913442,61cyclictest0-21swapper/600:28:0828
76549913429,69cyclictest0-21swapper/600:04:2828
76549913429,67cyclictest0-21swapper/600:05:1328
76549913428,68cyclictest0-21swapper/623:26:4628
76549913427,64cyclictest0-21swapper/620:22:1928
76549913427,64cyclictest0-21swapper/620:22:1828
7828991330,86cyclictest0-21swapper/3121:55:0025
77749913330,65cyclictest0-21swapper/2422:41:4017
77749913330,64cyclictest0-21swapper/2422:36:5117
77749913330,63cyclictest0-21swapper/2420:55:2217
7774991330,79cyclictest0-21swapper/2419:10:0217
7774991330,79cyclictest0-21swapper/2419:10:0217
76809913329,68cyclictest0-21swapper/1219:15:174
76809913329,68cyclictest0-21swapper/1219:15:174
76549913347,62cyclictest0-21swapper/620:15:1228
76549913347,62cyclictest0-21swapper/620:15:1128
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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