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2026-01-07 - 15:18
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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 Wed Jan 07, 2026 12:48:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43989915856,71cyclictest0-21swapper/2211:23:3415
44259915021,38cyclictest0-21swapper/2910:26:3022
44259915021,38cyclictest0-21swapper/2910:26:2922
43739914447,61cyclictest0-21swapper/1612:08:508
4334991447,132cyclictest151rcu_preempt09:36:4229
4334991447,132cyclictest151rcu_preempt09:36:4129
44349914313,105cyclictest0-21swapper/3109:18:0825
44349914313,105cyclictest0-21swapper/3109:18:0725
43739914324,59cyclictest0-21swapper/1611:44:068
43349914137,101cyclictest58-21ksoftirqd/709:18:0029
43349914137,101cyclictest58-21ksoftirqd/709:17:5929
4314991410,80cyclictest0-21swapper/209:15:3012
4314991410,80cyclictest0-21swapper/209:15:2912
43739913952,65cyclictest0-21swapper/1612:28:088
43739913946,60cyclictest0-21swapper/1607:36:108
43739913926,71cyclictest0-21swapper/1611:48:538
4314991390,85cyclictest0-21swapper/208:45:0312
43739913847,61cyclictest0-21swapper/1610:31:068
43739913826,65cyclictest0-21swapper/1608:20:308
4425991370,83cyclictest0-21swapper/2907:50:1422
43989913733,82cyclictest0-21swapper/2209:56:5915
43989913733,82cyclictest0-21swapper/2209:56:5815
43739913750,53cyclictest0-21swapper/1611:57:308
43739913729,67cyclictest0-21swapper/1611:04:088
43739913728,63cyclictest0-21swapper/1611:31:178
43739913728,63cyclictest0-21swapper/1611:19:318
43739913654,62cyclictest0-21swapper/1608:58:378
43739913631,71cyclictest0-21swapper/1610:07:388
43739913631,71cyclictest0-21swapper/1610:07:378
43739913628,68cyclictest0-21swapper/1611:35:168
43739913627,68cyclictest0-21swapper/1612:01:488
43739913615,78cyclictest0-21swapper/1612:38:208
43739913543,60cyclictest0-21swapper/1610:45:218
43739913537,64cyclictest0-21swapper/1611:21:398
43739913528,65cyclictest0-21swapper/1609:17:078
43739913528,65cyclictest0-21swapper/1609:17:068
43739913515,73cyclictest0-21swapper/1607:30:188
44259913420,95cyclictest0-21swapper/2911:35:5822
43989913423,65cyclictest0-21swapper/2210:52:0215
43739913453,61cyclictest0-21swapper/1608:02:018
43739913431,73cyclictest0-21swapper/1611:26:108
43739913429,69cyclictest0-21swapper/1609:12:558
43739913429,69cyclictest0-21swapper/1609:12:548
43739913426,69cyclictest0-21swapper/1610:57:218
43739913426,64cyclictest0-21swapper/1612:30:358
4434991330,83cyclictest0-21swapper/3112:06:5825
43989913345,54cyclictest0-21swapper/2210:01:0215
43989913345,54cyclictest0-21swapper/2210:01:0215
43989913334,68cyclictest0-21swapper/2209:11:3415
43989913334,68cyclictest0-21swapper/2209:11:3315
43989913326,67cyclictest0-21swapper/2212:26:3715
43739913357,68cyclictest0-21swapper/1611:10:258
43739913324,63cyclictest0-21swapper/1610:50:088
43989913253,61cyclictest0-21swapper/2210:11:5715
43989913253,61cyclictest0-21swapper/2210:11:5615
43989913228,68cyclictest0-21swapper/2211:29:5815
43989913225,64cyclictest0-21swapper/2210:42:2515
43739913231,77cyclictest0-21swapper/1609:27:488
43739913231,77cyclictest0-21swapper/1609:27:478
43739913231,74cyclictest0-21swapper/1610:04:418
43739913231,74cyclictest0-21swapper/1610:04:408
43739913231,70cyclictest0-21swapper/1609:33:108
43739913231,70cyclictest0-21swapper/1609:33:098
43739913229,69cyclictest0-21swapper/1609:47:048
43739913229,69cyclictest0-21swapper/1609:47:038
43739913216,72cyclictest0-21swapper/1607:47:238
4373991320,81cyclictest0-21swapper/1607:42:458
43989913150,55cyclictest0-21swapper/2211:02:1115
43989913131,65cyclictest0-21swapper/2211:06:2715
43989913127,68cyclictest0-21swapper/2211:50:1615
43989913127,66cyclictest0-21swapper/2212:34:0715
43989913127,66cyclictest0-21swapper/2211:10:1215
43989913127,60cyclictest0-21swapper/2212:20:1315
43739913139,66cyclictest0-21swapper/1609:36:038
43739913139,66cyclictest0-21swapper/1609:36:028
43739913119,77cyclictest0-21swapper/1609:57:108
43739913119,77cyclictest0-21swapper/1609:57:098
44259913046,54cyclictest0-21swapper/2910:45:1222
43989913029,71cyclictest0-21swapper/2211:49:4515
43989913026,61cyclictest0-21swapper/2207:31:3915
43989913025,64cyclictest0-21swapper/2207:57:5015
43739913031,72cyclictest0-21swapper/1611:52:078
43739913030,72cyclictest0-21swapper/1608:43:298
43739913029,65cyclictest0-21swapper/1610:10:038
43739913029,65cyclictest0-21swapper/1610:10:028
43739913027,66cyclictest0-21swapper/1609:20:218
43739913027,66cyclictest0-21swapper/1609:20:208
4319991301,113cyclictest0-21swapper/310:26:0423
4319991301,113cyclictest0-21swapper/310:26:0323
43149913045,57cyclictest0-21swapper/207:13:5412
43149913026,75cyclictest0-21swapper/210:27:3312
43149913026,75cyclictest0-21swapper/210:27:3212
4425991290,77cyclictest0-21swapper/2910:22:1422
4425991290,77cyclictest0-21swapper/2910:22:1322
43989912933,63cyclictest0-21swapper/2207:27:5415
43989912930,71cyclictest0-21swapper/2210:38:4115
43989912930,69cyclictest0-21swapper/2209:34:3315
43989912930,69cyclictest0-21swapper/2209:34:3215
43989912929,64cyclictest0-21swapper/2211:19:4915
43989912928,66cyclictest0-21swapper/2210:15:4215
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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