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2026-05-30 - 23:05
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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 Sat May 30, 2026 12:49:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
286129935148,198cyclictest151rcu_preempt10:00:090
3273913080,299ptp4l0-21swapper/107:08:421
272012251244,6sleep30-21swapper/307:06:1223
286559919230,127cyclictest0-21swapper/1010:38:442
286509918527,143cyclictest0-21swapper/910:00:1431
330891184175,6phc2sys0-21swapper/207:05:1912
286509918223,130cyclictest0-21swapper/910:47:1631
286509915928,85cyclictest0-21swapper/912:01:3331
287269915531,57cyclictest0-21swapper/2708:25:2320
287269915531,57cyclictest0-21swapper/2708:25:2320
28681991544,119cyclictest0-21swapper/1609:50:018
28626991546,147cyclictest0-21swapper/307:40:5223
28626991546,147cyclictest0-21swapper/307:40:5223
28681991534,124cyclictest0-21swapper/1611:03:128
28626991536,146cyclictest0-21swapper/311:25:2223
28626991536,124cyclictest0-21swapper/311:13:0123
28626991536,114cyclictest0-21swapper/311:50:1323
28626991536,114cyclictest0-21swapper/310:06:3223
28681991524,103cyclictest0-21swapper/1609:25:258
286509915228,80cyclictest0-21swapper/909:12:4231
28626991526,105cyclictest0-21swapper/307:37:0723
28626991526,105cyclictest0-21swapper/307:37:0723
28626991525,130cyclictest0-21swapper/312:32:4023
286509915126,77cyclictest0-21swapper/910:00:0131
28681991504,101cyclictest0-21swapper/1611:56:528
28681991497,106cyclictest0-21swapper/1612:07:218
28681991494,84cyclictest0-21swapper/1612:20:128
286559914928,70cyclictest0-21swapper/1012:22:242
28681991484,119cyclictest0-21swapper/1608:05:148
28681991484,119cyclictest0-21swapper/1608:05:148
286559914830,73cyclictest0-21swapper/1010:45:092
28626991486,106cyclictest0-21swapper/309:34:5023
28681991475,120cyclictest0-21swapper/1609:37:178
286509914719,96cyclictest0-21swapper/911:57:1731
286559914618,97cyclictest0-21swapper/1010:17:032
28681991454,111cyclictest0-21swapper/1612:34:378
286559914530,73cyclictest0-21swapper/1010:12:332
28714991430,89cyclictest0-21swapper/2408:05:2217
28714991430,89cyclictest0-21swapper/2408:05:2117
287409914220,75cyclictest0-21swapper/3010:13:5724
28735991410,88cyclictest0-21swapper/2911:23:5622
28735991400,89cyclictest0-21swapper/2912:11:3122
28726991400,88cyclictest0-21swapper/2711:45:1620
286389913956,61cyclictest0-21swapper/610:23:1928
287149913850,84cyclictest161-21ksoftirqd/2409:22:1917
286559913842,60cyclictest0-21swapper/1011:46:052
286389913843,57cyclictest0-21swapper/609:59:3828
286779913713,73cyclictest0-21swapper/1512:25:107
286559913740,59cyclictest0-21swapper/1011:23:372
286509913753,61cyclictest0-21swapper/910:10:5531
28638991370,81cyclictest0-21swapper/609:28:0728
28726991361,80cyclictest0-21swapper/2708:35:0020
28726991361,80cyclictest0-21swapper/2708:35:0020
28681991364,98cyclictest0-21swapper/1610:35:278
286779913648,56cyclictest0-21swapper/1508:10:157
286779913648,56cyclictest0-21swapper/1508:10:147
286559913652,63cyclictest0-21swapper/1011:35:232
286559913631,68cyclictest0-21swapper/1010:30:112
286509913647,59cyclictest0-21swapper/912:09:3531
286509913647,56cyclictest0-21swapper/907:55:4331
286509913647,56cyclictest0-21swapper/907:55:4231
286509913627,67cyclictest0-21swapper/907:38:3731
286509913627,67cyclictest0-21swapper/907:38:3631
287409913552,57cyclictest0-21swapper/3011:51:4424
287409913526,63cyclictest0-21swapper/3008:42:3224
286559913559,63cyclictest0-21swapper/1012:37:062
286559913531,63cyclictest0-21swapper/1011:56:142
286559913528,65cyclictest0-21swapper/1009:13:132
287409913453,57cyclictest0-21swapper/3007:45:2324
287409913453,57cyclictest0-21swapper/3007:45:2224
287409913431,74cyclictest0-21swapper/3009:34:5524
287359913454,56cyclictest0-21swapper/2907:40:2022
287359913454,56cyclictest0-21swapper/2907:40:2022
286779913450,58cyclictest0-21swapper/1508:07:007
286779913450,58cyclictest0-21swapper/1508:07:007
286779913426,68cyclictest0-21swapper/1509:26:077
286509913446,57cyclictest0-21swapper/912:37:2131
286509913442,61cyclictest0-21swapper/907:51:2631
286509913442,61cyclictest0-21swapper/907:51:2531
286509913441,63cyclictest0-21swapper/911:52:2931
286389913430,65cyclictest0-21swapper/607:10:1428
287409913330,71cyclictest0-21swapper/3009:18:2224
28735991330,85cyclictest0-21swapper/2910:27:1722
28726991331,76cyclictest0-21swapper/2711:03:0320
286779913347,58cyclictest0-21swapper/1509:23:587
286779913329,70cyclictest0-21swapper/1511:34:237
286779913326,65cyclictest0-21swapper/1508:04:547
286779913326,65cyclictest0-21swapper/1508:04:547
286779913325,65cyclictest0-21swapper/1510:09:577
286559913332,67cyclictest0-21swapper/1009:21:522
286559913331,67cyclictest0-21swapper/1012:29:542
286559913330,63cyclictest0-21swapper/1009:15:212
286559913330,62cyclictest0-21swapper/1010:54:452
286559913329,60cyclictest0-21swapper/1008:05:212
286559913329,60cyclictest0-21swapper/1008:05:202
286509913340,58cyclictest0-21swapper/908:01:4231
286509913340,58cyclictest0-21swapper/908:01:4231
286509913328,70cyclictest0-21swapper/910:20:0131
286509913327,71cyclictest0-21swapper/910:28:0131
286509913326,62cyclictest0-21swapper/912:26:0831
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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