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2026-06-02 - 01:37
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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 Mon Jun 01, 2026 12:49:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3273913120,304ptp4l0-21swapper/107:05:541
3026899174169,1cyclictest112-21ksoftirqd/1610:08:258
302779915421,71cyclictest24860-21latency_hist07:30:009
241802154144,7sleep60-21swapper/607:05:1228
330891152145,6phc2sys0-21swapper/207:06:4912
303049915234,65cyclictest0-21swapper/2109:47:3814
303099915061,42cyclictest0-21swapper/2210:24:3115
303049915032,73cyclictest0-21swapper/2112:32:4714
303049915032,73cyclictest0-21swapper/2112:32:4714
303049914730,74cyclictest0-21swapper/2112:12:2814
303049914729,82cyclictest0-21swapper/2111:34:3214
303049914729,82cyclictest0-21swapper/2111:34:3114
302779914718,72cyclictest0-21swapper/1709:15:149
30309991460,85cyclictest0-21swapper/2212:10:2115
30220991450,85cyclictest0-21swapper/1012:20:192
30220991450,85cyclictest0-21swapper/1012:20:182
30320991440,88cyclictest0-21swapper/2408:50:1717
303139914434,93cyclictest0-21swapper/2310:51:1616
302689914431,51cyclictest0-21swapper/1607:50:208
303139914332,110cyclictest0-21swapper/2310:48:2016
30220991430,80cyclictest0-21swapper/1011:00:472
30220991420,86cyclictest0-21swapper/1011:33:172
30220991420,86cyclictest0-21swapper/1011:33:162
303139914030,99cyclictest0-21swapper/2312:20:3216
303139914030,99cyclictest0-21swapper/2312:20:3116
30220991400,82cyclictest0-21swapper/1009:40:152
3035899137136,1cyclictest8168-21timerwakeupswit08:55:2524
30227991379,72cyclictest0-21swapper/1110:01:543
30220991370,82cyclictest0-21swapper/1011:17:142
30220991370,82cyclictest0-21swapper/1011:17:142
30268991350,83cyclictest0-21swapper/1611:55:128
30268991350,83cyclictest0-21swapper/1611:55:128
302209913547,57cyclictest0-21swapper/1010:19:052
303049913444,66cyclictest0-21swapper/2112:40:0114
303049913444,66cyclictest0-21swapper/2112:40:0114
302209913430,70cyclictest0-21swapper/1011:42:532
302209913430,68cyclictest0-21swapper/1010:11:312
30220991340,82cyclictest0-21swapper/1009:45:192
30220991340,77cyclictest0-21swapper/1009:20:112
303049913348,57cyclictest0-21swapper/2110:23:2814
302209913321,68cyclictest0-21swapper/1010:08:492
301759913358,74cyclictest0-21swapper/408:40:2126
30358991320,80cyclictest0-21swapper/3012:08:5424
30358991320,80cyclictest0-21swapper/3012:08:5324
302209913248,63cyclictest0-21swapper/1012:09:382
302209913248,63cyclictest0-21swapper/1012:09:372
302209913230,70cyclictest0-21swapper/1008:30:302
302209913228,70cyclictest0-21swapper/1009:14:182
30220991321,80cyclictest0-21swapper/1010:46:472
301759913254,60cyclictest0-21swapper/411:05:1126
301759913254,60cyclictest0-21swapper/411:05:1126
303279913157,73cyclictest0-21swapper/2507:25:2118
30220991318,74cyclictest0-21swapper/1011:49:352
30220991318,74cyclictest0-21swapper/1011:49:342
302209913132,77cyclictest0-21swapper/1007:55:182
302209913130,73cyclictest0-21swapper/1008:35:502
302209913128,67cyclictest0-21swapper/1010:38:462
302209913126,66cyclictest0-21swapper/1008:10:122
30220991310,77cyclictest0-21swapper/1010:35:012
301759913124,81cyclictest0-21swapper/409:34:5026
302209913030,67cyclictest0-21swapper/1011:53:362
302209913030,67cyclictest0-21swapper/1011:53:352
302209913028,65cyclictest0-21swapper/1009:58:402
302209913026,63cyclictest0-21swapper/1009:38:222
302209913020,68cyclictest0-21swapper/1008:16:362
30220991300,77cyclictest0-21swapper/1011:10:172
303049912952,55cyclictest0-21swapper/2111:45:1314
303049912952,55cyclictest0-21swapper/2111:45:1314
303049912923,73cyclictest23351-21df10:15:1214
302929912920,63cyclictest0-21swapper/1909:11:1611
302689912928,55cyclictest6650-21cut07:15:148
302209912927,66cyclictest0-21swapper/1012:33:082
302209912927,66cyclictest0-21swapper/1012:33:082
302209912925,67cyclictest0-21swapper/1012:02:432
302209912925,67cyclictest0-21swapper/1012:02:422
303099912849,51cyclictest0-21swapper/2210:47:2715
30277991289,88cyclictest151rcu_preempt11:41:249
302279912872,56cyclictest82-21ksoftirqd/1110:35:343
302209912828,62cyclictest0-21swapper/1009:15:222
302209912826,64cyclictest0-21swapper/1012:10:412
301759912831,65cyclictest0-21swapper/412:29:0526
30320991270,77cyclictest0-21swapper/2408:35:2017
303099912747,59cyclictest0-21swapper/2212:37:3715
303099912747,59cyclictest0-21swapper/2212:37:3715
303099912745,56cyclictest0-21swapper/2209:56:1215
303049912752,54cyclictest0-21swapper/2108:30:1314
303049912727,65cyclictest0-21swapper/2111:08:2114
303049912727,65cyclictest0-21swapper/2111:08:2014
303049912725,61cyclictest0-21swapper/2109:42:5014
3028499127126,1cyclictest151rcu_preempt12:11:5410
302209912730,73cyclictest0-21swapper/1007:10:232
302209912726,66cyclictest0-21swapper/1011:23:072
302209912726,66cyclictest0-21swapper/1011:23:072
301759912725,62cyclictest0-21swapper/410:50:1326
303099912644,61cyclictest0-21swapper/2210:00:2815
303049912627,65cyclictest0-21swapper/2109:26:4814
303049912627,64cyclictest0-21swapper/2110:38:2414
302689912643,53cyclictest0-21swapper/1610:23:248
302209912632,80cyclictest0-21swapper/1011:27:552
302209912632,80cyclictest0-21swapper/1011:27:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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