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2025-11-30 - 19:32
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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 Nov 30, 2025 12:49:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1670599364166,1cyclictest151rcu_preempt10:49:1013
2482913240,316ptp4l0-21swapper/107:05:091
1663299304107,2cyclictest151rcu_preempt11:47:5112
16678991944,24cyclictest151rcu_preempt11:30:425
329891190182,6phc2sys0-21swapper/207:06:3612
166789916832,134cyclictest0-21swapper/1312:39:045
166789916733,112cyclictest0-21swapper/1310:37:465
166789916733,112cyclictest0-21swapper/1310:37:465
166789916633,111cyclictest0-21swapper/1312:17:425
166789916633,106cyclictest0-21swapper/1309:52:375
166789916431,104cyclictest0-21swapper/1310:29:135
166789916431,104cyclictest0-21swapper/1310:29:125
166789916331,102cyclictest0-21swapper/1311:45:065
16638991634,138cyclictest0-21swapper/312:32:2923
16638991604,119cyclictest0-21swapper/311:15:3323
167649915265,49cyclictest0-21swapper/3112:02:1425
16638991524,109cyclictest0-21swapper/307:20:2523
166789914733,113cyclictest0-21swapper/1308:25:145
16678991460,84cyclictest0-21swapper/1310:05:105
167059914344,98cyclictest0-21swapper/2011:15:1913
1669399143140,1cyclictest151rcu_preempt11:01:209
16638991435,96cyclictest0-21swapper/310:26:5523
16638991435,96cyclictest0-21swapper/310:26:5523
16764991410,83cyclictest0-21swapper/3109:25:2225
16718991417,95cyclictest0-21swapper/2208:15:1515
1669399141140,1cyclictest151rcu_preempt11:21:399
16678991400,86cyclictest0-21swapper/1311:08:145
16678991400,86cyclictest0-21swapper/1311:08:145
16744991357,126cyclictest0-21swapper/2609:27:2719
16718991357,70cyclictest0-21swapper/2210:11:1115
16620991351,83cyclictest0-21swapper/009:06:260
16620991351,81cyclictest0-21swapper/010:02:350
16744991347,126cyclictest0-21swapper/2607:55:1719
16744991347,125cyclictest0-21swapper/2610:50:1719
16744991347,125cyclictest0-21swapper/2610:50:1619
16674991340,81cyclictest0-21swapper/1212:30:194
16744991337,125cyclictest0-21swapper/2608:55:2319
167059913334,98cyclictest0-21swapper/2010:30:2613
167059913334,98cyclictest0-21swapper/2010:30:2513
167059913334,98cyclictest0-21swapper/2008:15:0113
16744991327,88cyclictest0-21swapper/2611:13:4819
16674991320,78cyclictest0-21swapper/1210:16:414
166559913227,61cyclictest0-21swapper/709:40:1429
16744991317,79cyclictest0-21swapper/2611:25:0019
16674991310,80cyclictest0-21swapper/1209:18:584
16620991310,82cyclictest0-21swapper/010:50:390
16620991310,82cyclictest0-21swapper/010:50:380
167649913020,64cyclictest0-21swapper/3110:12:5725
16744991307,114cyclictest0-21swapper/2607:54:5919
16718991307,86cyclictest0-21swapper/2209:45:0515
166839913025,91cyclictest0-21swapper/1410:45:146
16744991297,106cyclictest0-21swapper/2610:35:5119
16744991297,106cyclictest0-21swapper/2610:35:5019
166839912925,60cyclictest0-21swapper/1410:55:256
167059912830,62cyclictest0-21swapper/2011:56:4313
166839912843,59cyclictest0-21swapper/1411:08:476
166839912843,59cyclictest0-21swapper/1411:08:476
166559912828,6cyclictest0-21swapper/710:01:5229
166389912831,96cyclictest34-21ksoftirqd/311:51:0423
16744991277,76cyclictest0-21swapper/2610:44:5619
16744991277,76cyclictest0-21swapper/2610:44:5519
167189912741,58cyclictest0-21swapper/2209:18:1715
167189912723,60cyclictest0-21swapper/2210:41:0815
167189912723,60cyclictest0-21swapper/2210:41:0815
167059912715,72cyclictest0-21swapper/2011:28:2913
166839912727,65cyclictest0-21swapper/1411:24:156
166559912728,98cyclictest0-21swapper/711:40:1229
166559912728,65cyclictest0-21swapper/710:21:3729
166839912636,59cyclictest0-21swapper/1410:17:436
166749912628,59cyclictest0-21swapper/1209:59:364
16638991264,72cyclictest0-21swapper/309:43:0523
167649912542,54cyclictest0-21swapper/3111:45:2425
167649912523,60cyclictest0-21swapper/3110:30:0325
167649912523,60cyclictest0-21swapper/3110:30:0325
16718991257,81cyclictest0-21swapper/2210:15:2815
167059912527,78cyclictest0-21swapper/2007:25:2513
166789912535,46cyclictest0-21swapper/1310:45:025
16638991254,84cyclictest0-21swapper/312:15:2323
167649912451,59cyclictest0-21swapper/3108:14:5125
167649912424,63cyclictest0-21swapper/3110:02:4725
16744991247,74cyclictest0-21swapper/2612:32:1119
167189912441,49cyclictest0-21swapper/2211:21:4515
166839912432,55cyclictest0-21swapper/1409:50:126
166839912428,70cyclictest0-21swapper/1409:26:426
166839912425,63cyclictest0-21swapper/1412:05:246
166559912428,46cyclictest0-21swapper/711:32:2029
166559912426,97cyclictest0-21swapper/709:59:4229
166559912424,99cyclictest0-21swapper/711:05:2829
166559912424,99cyclictest0-21swapper/711:05:2829
167649912324,62cyclictest0-21swapper/3110:58:5525
167189912345,55cyclictest0-21swapper/2209:11:2115
16693991230,57cyclictest0-21swapper/1712:22:039
166839912331,60cyclictest0-21swapper/1412:33:136
166839912327,67cyclictest0-21swapper/1412:20:236
166839912325,65cyclictest0-21swapper/1411:16:156
166839912323,58cyclictest0-21swapper/1409:55:026
166789912335,66cyclictest0-21swapper/1309:47:315
166559912324,79cyclictest0-21swapper/711:35:2229
167649912226,63cyclictest0-21swapper/3111:29:5425
167649912224,69cyclictest0-21swapper/3107:36:2225
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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