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2025-12-02 - 16:28
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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 Tue Dec 02, 2025 12:49:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2482913020,294ptp4l0-21swapper/107:05:591
226402276268,6sleep60-21swapper/607:07:2028
240489918115,163cyclictest0-21swapper/1111:02:303
240489917920,136cyclictest0-21swapper/1109:30:573
2414299169167,1cyclictest151rcu_preempt09:39:3918
240729916813,142cyclictest0-21swapper/1509:28:157
24161991519,129cyclictest185-21ksoftirqd/2810:18:0521
2398699151151,0cyclictest0-21swapper/110:04:541
241619914731,91cyclictest0-21swapper/2812:00:5621
24072991440,89cyclictest0-21swapper/1510:31:517
24142991410,89cyclictest0-21swapper/2510:03:1018
24142991410,85cyclictest0-21swapper/2509:19:2018
240659914168,46cyclictest0-21swapper/1412:26:136
240659914168,46cyclictest0-21swapper/1412:26:126
239819913838,98cyclictest0-21swapper/009:11:460
240989913732,83cyclictest0-21swapper/1911:08:1611
24048991370,77cyclictest0-21swapper/1111:47:083
240329913734,42cyclictest0-21swapper/810:49:0830
239819913739,97cyclictest0-21swapper/010:06:450
24065991360,88cyclictest0-21swapper/1409:31:596
240599913634,82cyclictest0-21swapper/1311:11:225
240599913620,110cyclictest0-21swapper/1311:55:435
23986991360,86cyclictest0-21swapper/112:34:471
23986991360,86cyclictest0-21swapper/112:34:471
23986991360,86cyclictest0-21swapper/109:38:101
24142991350,83cyclictest0-21swapper/2512:36:3218
24142991350,83cyclictest0-21swapper/2512:36:3218
240729913520,66cyclictest0-21swapper/1509:35:467
240599913530,49cyclictest0-21swapper/1312:10:125
240599913530,49cyclictest0-21swapper/1312:10:125
239819913537,78cyclictest0-21swapper/009:05:220
241619913416,94cyclictest0-21swapper/2807:30:1121
241619913416,94cyclictest0-21swapper/2807:30:1121
24072991341,80cyclictest0-21swapper/1511:54:097
24032991340,83cyclictest0-21swapper/809:35:2430
239819913437,73cyclictest0-21swapper/011:34:110
240989913332,62cyclictest0-21swapper/1911:28:3111
240989913331,48cyclictest0-21swapper/1912:10:1511
240989913331,48cyclictest0-21swapper/1912:10:1511
240599913324,28cyclictest0-21swapper/1308:06:295
240489913340,66cyclictest0-21swapper/1111:44:283
240729913250,51cyclictest0-21swapper/1512:09:397
240729913250,51cyclictest0-21swapper/1512:09:397
239869913210,110cyclictest0-21swapper/109:47:161
239819913232,99cyclictest0-21swapper/009:51:020
240989913126,76cyclictest0-21swapper/1912:20:2411
240989913126,76cyclictest0-21swapper/1912:20:2411
240989913126,55cyclictest0-21swapper/1907:50:0111
240729913140,61cyclictest0-21swapper/1512:29:257
240729913140,61cyclictest0-21swapper/1512:29:257
240729913127,61cyclictest0-21swapper/1509:11:097
240659913138,93cyclictest0-21swapper/1411:04:276
240489913152,59cyclictest0-21swapper/1111:11:203
240489913150,56cyclictest0-21swapper/1108:24:193
240489913141,65cyclictest0-21swapper/1110:15:133
240489913129,67cyclictest0-21swapper/1109:00:243
240329913147,54cyclictest0-21swapper/807:41:2630
240329913147,54cyclictest0-21swapper/807:41:2530
239819913131,98cyclictest0-21swapper/012:03:470
241619913039,12cyclictest0-21swapper/2808:15:3321
241619913018,43cyclictest0-21swapper/2811:24:5421
241209913014,85cyclictest151rcu_preempt09:56:4215
240729913047,55cyclictest0-21swapper/1512:15:327
240729913031,68cyclictest0-21swapper/1510:00:197
240729913029,66cyclictest0-21swapper/1510:21:107
240489913037,62cyclictest0-21swapper/1108:08:023
240489913027,68cyclictest0-21swapper/1109:15:233
240489913025,64cyclictest0-21swapper/1111:22:013
240329913042,58cyclictest0-21swapper/809:53:0330
239819913031,74cyclictest0-21swapper/010:51:060
240729912927,69cyclictest0-21swapper/1511:32:147
240489912929,75cyclictest0-21swapper/1111:37:313
240489912927,64cyclictest0-21swapper/1110:20:023
240489912925,62cyclictest0-21swapper/1110:47:493
239819912929,98cyclictest0-21swapper/009:28:490
240729912839,59cyclictest0-21swapper/1510:40:567
240729912836,64cyclictest0-21swapper/1512:20:207
240729912836,64cyclictest0-21swapper/1512:20:207
240729912828,65cyclictest0-21swapper/1511:40:157
240489912857,66cyclictest0-21swapper/1110:40:253
240489912845,59cyclictest0-21swapper/1111:55:413
240489912829,66cyclictest0-21swapper/1108:51:523
240489912829,64cyclictest0-21swapper/1109:10:183
240489912828,66cyclictest0-21swapper/1111:51:263
240489912826,62cyclictest0-21swapper/1110:12:173
240489912826,62cyclictest0-21swapper/1110:01:193
240729912728,68cyclictest0-21swapper/1507:40:197
240729912728,68cyclictest0-21swapper/1507:40:197
240729912728,67cyclictest0-21swapper/1510:17:587
240489912729,68cyclictest0-21swapper/1111:30:343
240489912727,63cyclictest0-21swapper/1107:10:203
240489912727,63cyclictest0-21swapper/1107:10:203
240489912725,66cyclictest0-21swapper/1112:18:403
239819912729,70cyclictest0-21swapper/010:13:290
239819912728,81cyclictest0-21swapper/007:25:240
239819912728,81cyclictest0-21swapper/007:25:240
239819912727,82cyclictest0-21swapper/011:30:000
240729912629,68cyclictest0-21swapper/1511:28:307
240729912628,71cyclictest0-21swapper/1508:20:247
240729912627,65cyclictest0-21swapper/1510:26:307
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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