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2025-12-22 - 06:26
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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 Dec 22, 2025 00:48:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
330891289281,6phc2sys0-21swapper/219:08:5212
21563991744,127cyclictest0-21swapper/1622:35:258
21563991744,127cyclictest0-21swapper/1622:35:258
21464991660,37cyclictest0-21swapper/422:20:1226
21464991660,37cyclictest0-21swapper/422:20:1126
21563991594,103cyclictest0-21swapper/1622:30:018
21563991594,103cyclictest0-21swapper/1622:30:008
215789915848,76cyclictest0-21swapper/1821:45:2310
215789915848,76cyclictest0-21swapper/1821:45:2310
21563991547,146cyclictest0-21swapper/1623:00:148
21464991500,89cyclictest0-21swapper/423:45:4126
216579914359,64cyclictest10460-21grep20:15:2121
214989914028,53cyclictest0-21swapper/822:45:0130
214649914023,110cyclictest0-21swapper/419:45:3926
215079913835,74cyclictest0-21swapper/922:40:3131
215079913835,74cyclictest0-21swapper/922:40:3031
216579913712,75cyclictest0-21swapper/2821:51:5921
216579913712,75cyclictest0-21swapper/2821:51:5921
21563991374,98cyclictest0-21swapper/1619:15:018
182912137127,7sleep180-21swapper/1819:05:2210
21657991360,83cyclictest0-21swapper/2821:30:0121
214649913627,73cyclictest0-21swapper/420:05:1726
216739913550,54cyclictest0-21swapper/3021:56:4824
216739913550,54cyclictest0-21swapper/3021:56:4824
216739913530,68cyclictest0-21swapper/3022:25:2424
216739913530,68cyclictest0-21swapper/3022:25:2424
216739913528,69cyclictest0-21swapper/3021:48:4724
216739913528,69cyclictest0-21swapper/3021:48:4624
216739913426,66cyclictest0-21swapper/3023:56:2724
215789913413,115cyclictest151rcu_preempt19:55:4810
215079913440,56cyclictest0-21swapper/923:44:2931
216739913330,72cyclictest0-21swapper/3019:15:2624
216739913330,70cyclictest0-21swapper/3022:01:0424
216739913330,70cyclictest0-21swapper/3022:01:0324
216739913330,67cyclictest0-21swapper/3019:49:0624
216739913329,70cyclictest0-21swapper/3000:32:1624
216739913329,66cyclictest0-21swapper/3022:55:0224
216739913329,66cyclictest0-21swapper/3022:55:0124
21673991330,80cyclictest0-21swapper/3021:53:3524
21673991330,80cyclictest0-21swapper/3021:53:3424
216739913230,73cyclictest0-21swapper/3019:42:4224
216739913228,66cyclictest0-21swapper/3022:50:1324
216739913228,66cyclictest0-21swapper/3022:50:1224
215789913248,17cyclictest0-21swapper/1821:05:1810
215079913248,62cyclictest0-21swapper/920:10:4731
215079913129,68cyclictest0-21swapper/921:35:0531
216739913027,66cyclictest0-21swapper/3000:25:1924
215639913042,60cyclictest0-21swapper/1619:50:198
215079913047,58cyclictest0-21swapper/900:05:1231
21498991300,83cyclictest0-21swapper/822:40:1530
216739912930,69cyclictest0-21swapper/3021:02:4924
216739912928,68cyclictest0-21swapper/3022:05:2124
216739912928,68cyclictest0-21swapper/3022:05:2024
216739912928,66cyclictest0-21swapper/3000:22:3824
216739912927,66cyclictest0-21swapper/3000:05:0024
216579912925,60cyclictest0-21swapper/2819:36:5121
215639912942,62cyclictest0-21swapper/1600:27:348
215079912929,69cyclictest0-21swapper/920:35:1731
216739912828,67cyclictest0-21swapper/3019:20:4724
216739912828,66cyclictest0-21swapper/3019:10:0524
216739912825,61cyclictest0-21swapper/3019:26:3924
216739912745,70cyclictest0-21swapper/3000:05:0124
216739912730,69cyclictest0-21swapper/3000:35:2724
216739912725,67cyclictest0-21swapper/3021:42:3924
216739912725,67cyclictest0-21swapper/3021:42:3824
216739912724,60cyclictest0-21swapper/3023:31:0724
216579912737,63cyclictest0-21swapper/2821:30:2321
216579912731,62cyclictest0-21swapper/2820:20:2021
216579912728,63cyclictest0-21swapper/2820:01:0921
216579912727,67cyclictest0-21swapper/2823:25:4621
216579912727,64cyclictest0-21swapper/2823:24:4321
216579912726,67cyclictest0-21swapper/2821:45:2121
216579912726,67cyclictest0-21swapper/2821:45:2021
216579912724,60cyclictest0-21swapper/2821:37:2021
215079912728,70cyclictest0-21swapper/923:59:2031
216579912630,64cyclictest0-21swapper/2819:40:1621
216579912628,67cyclictest0-21swapper/2822:00:2121
216579912628,67cyclictest0-21swapper/2822:00:2121
216579912627,67cyclictest0-21swapper/2800:35:1621
216579912626,67cyclictest0-21swapper/2823:44:2821
216579912625,64cyclictest0-21swapper/2823:35:2521
216579912622,63cyclictest0-21swapper/2823:13:2521
215639912643,52cyclictest0-21swapper/1623:31:408
215639912626,67cyclictest0-21swapper/1619:20:008
215079912636,64cyclictest0-21swapper/921:30:1631
215079912626,66cyclictest0-21swapper/920:10:0031
214989912647,55cyclictest0-21swapper/820:00:1830
214649912652,59cyclictest0-21swapper/421:43:4426
214649912652,59cyclictest0-21swapper/421:43:4326
214649912616,81cyclictest0-21swapper/420:40:4226
216739912528,68cyclictest0-21swapper/3019:30:2424
216579912529,68cyclictest0-21swapper/2820:35:2121
216579912528,68cyclictest0-21swapper/2820:50:1921
216579912527,69cyclictest0-21swapper/2822:06:0921
216579912527,69cyclictest0-21swapper/2822:06:0921
216579912525,56cyclictest0-21swapper/2821:15:4421
216009912519,35cyclictest0-21swapper/2122:55:2514
216009912519,35cyclictest0-21swapper/2122:55:2514
215639912546,58cyclictest0-21swapper/1600:38:158
215639912537,57cyclictest0-21swapper/1619:20:128
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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