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2026-05-24 - 03:10
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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 Sun May 24, 2026 00:49:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3273912880,283ptp4l0-21swapper/119:08:361
52189923263,4cyclictest151rcu_preempt00:20:2112
52699915031,61cyclictest0-21swapper/1119:30:183
52699915031,61cyclictest0-21swapper/1119:30:183
52749914730,74cyclictest0-21swapper/1221:32:124
52749914523,87cyclictest0-21swapper/1223:37:494
52749914428,94cyclictest0-21swapper/1221:45:194
52699914332,72cyclictest0-21swapper/1123:19:343
53479914121,107cyclictest0-21swapper/2919:46:3922
53479914121,107cyclictest0-21swapper/2919:46:3822
52749914123,81cyclictest0-21swapper/1222:28:374
52699914132,95cyclictest0-21swapper/1120:40:193
5310991401,82cyclictest0-21swapper/2121:12:2014
52749913922,75cyclictest0-21swapper/1222:46:164
52649913924,76cyclictest0-21swapper/1000:10:202
5306991381,86cyclictest0-21swapper/2023:30:2313
52749913626,65cyclictest0-21swapper/1200:28:514
52699913627,65cyclictest0-21swapper/1100:25:523
5310991342,81cyclictest0-21swapper/2121:28:0214
52699913433,72cyclictest0-21swapper/1122:54:283
52699913429,70cyclictest0-21swapper/1122:05:183
53479913319,41cyclictest0-21swapper/2900:33:0622
52699913327,64cyclictest0-21swapper/1123:51:063
5269991330,83cyclictest0-21swapper/1122:58:453
52699913226,64cyclictest0-21swapper/1122:02:373
52699913225,70cyclictest0-21swapper/1122:46:593
5320991310,87cyclictest161-21ksoftirqd/2420:40:5217
52799913143,64cyclictest0-21swapper/1400:22:096
52699913132,69cyclictest0-21swapper/1122:36:183
52699913130,72cyclictest0-21swapper/1100:39:123
53479913026,66cyclictest0-21swapper/2921:04:4022
52699913034,63cyclictest0-21swapper/1120:29:063
52699913032,69cyclictest0-21swapper/1121:35:363
52699913031,66cyclictest0-21swapper/1121:53:003
52699913026,64cyclictest0-21swapper/1121:16:073
53479912950,54cyclictest0-21swapper/2920:37:5722
53479912942,59cyclictest0-21swapper/2922:04:3222
53479912934,64cyclictest0-21swapper/2919:20:2822
53479912934,64cyclictest0-21swapper/2919:20:2722
53269912945,55cyclictest0-21swapper/2523:17:4118
5320991290,86cyclictest0-21swapper/2419:31:2417
5320991290,86cyclictest0-21swapper/2419:31:2317
5310991292,101cyclictest143-21ksoftirqd/2100:20:0814
52749912922,68cyclictest0-21swapper/1221:39:244
52699912931,73cyclictest0-21swapper/1100:12:153
52699912930,76cyclictest0-21swapper/1122:13:503
52699912927,64cyclictest0-21swapper/1123:59:083
52699912927,63cyclictest0-21swapper/1100:31:133
53479912828,70cyclictest0-21swapper/2919:37:3422
53479912828,70cyclictest0-21swapper/2919:37:3422
53269912838,60cyclictest0-21swapper/2521:31:5018
53269912826,61cyclictest0-21swapper/2520:30:2418
53069912821,106cyclictest151rcu_preempt22:05:5313
52799912848,79cyclictest0-21swapper/1400:19:466
52699912830,70cyclictest0-21swapper/1120:37:393
52699912828,72cyclictest0-21swapper/1123:45:153
52699912828,68cyclictest0-21swapper/1121:20:243
52699912828,66cyclictest0-21swapper/1121:30:013
52699912827,65cyclictest0-21swapper/1123:08:213
5269991280,78cyclictest0-21swapper/1120:11:273
53479912724,60cyclictest0-21swapper/2923:30:0322
53479912724,60cyclictest0-21swapper/2920:05:0522
53479912724,60cyclictest0-21swapper/2920:05:0422
53269912729,67cyclictest0-21swapper/2522:26:2218
53269912726,65cyclictest0-21swapper/2521:22:1318
5269991271,71cyclictest0-21swapper/1119:10:183
5269991271,71cyclictest0-21swapper/1119:10:183
52649912735,61cyclictest0-21swapper/1023:24:552
53479912642,59cyclictest0-21swapper/2900:17:4022
53479912628,64cyclictest0-21swapper/2921:27:3822
53479912627,68cyclictest0-21swapper/2921:15:2022
53479912626,67cyclictest0-21swapper/2920:00:3322
53479912626,67cyclictest0-21swapper/2920:00:3222
53479912626,66cyclictest0-21swapper/2922:11:2822
53479912626,64cyclictest0-21swapper/2921:50:0722
53269912642,58cyclictest0-21swapper/2523:35:5018
53269912629,68cyclictest0-21swapper/2523:52:5718
53269912628,64cyclictest0-21swapper/2500:29:0218
53269912626,66cyclictest0-21swapper/2522:53:3818
53269912626,66cyclictest0-21swapper/2522:05:3218
53209912627,55cyclictest0-21swapper/2422:35:1517
52749912627,62cyclictest0-21swapper/1223:53:374
52699912632,77cyclictest0-21swapper/1123:42:023
52649912628,67cyclictest0-21swapper/1022:43:452
52649912626,66cyclictest0-21swapper/1021:51:552
52649912626,64cyclictest0-21swapper/1022:50:102
52649912625,57cyclictest0-21swapper/1022:05:172
53479912545,58cyclictest0-21swapper/2921:40:2822
53479912541,55cyclictest0-21swapper/2923:26:1822
53479912532,68cyclictest0-21swapper/2921:33:3222
53479912531,75cyclictest0-21swapper/2900:26:4222
53479912531,74cyclictest0-21swapper/2923:58:5422
53479912528,69cyclictest0-21swapper/2922:45:4022
53479912527,69cyclictest0-21swapper/2922:38:4322
53479912527,65cyclictest0-21swapper/2900:05:5122
53479912526,68cyclictest0-21swapper/2923:01:5922
53479912524,65cyclictest0-21swapper/2921:21:4622
53269912529,66cyclictest0-21swapper/2520:20:4718
53269912526,65cyclictest0-21swapper/2522:04:2718
53269912526,64cyclictest0-21swapper/2521:10:2918
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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