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2026-05-06 - 09:08
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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 May 06, 2026 00:48:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
330891300293,6phc2sys0-21swapper/219:08:3112
330891300293,6phc2sys0-21swapper/219:08:3012
271319926768,1cyclictest151rcu_preempt22:34:014
3273912630,255ptp4l0-21swapper/119:07:031
3273912630,255ptp4l0-21swapper/119:07:021
272639924245,1cyclictest151rcu_preempt23:37:3825
272119923814,175cyclictest0-21swapper/2422:10:1317
272119918614,171cyclictest0-21swapper/2400:21:4017
272119918614,171cyclictest0-21swapper/2400:21:4017
271409916628,91cyclictest0-21swapper/1323:29:515
270919916312,115cyclictest0-21swapper/720:55:1829
27091991490,89cyclictest0-21swapper/719:30:1929
27211991460,86cyclictest0-21swapper/2419:45:2217
271409914429,71cyclictest0-21swapper/1300:24:545
271409914429,71cyclictest0-21swapper/1300:24:535
271659914350,57cyclictest0-21swapper/1821:10:5810
27140991400,84cyclictest0-21swapper/1321:17:495
272119913850,58cyclictest0-21swapper/2421:18:1917
27140991380,84cyclictest0-21swapper/1323:33:365
270919913811,92cyclictest0-21swapper/722:07:2629
270499913820,50cyclictest0-21swapper/021:13:410
271069913751,57cyclictest0-21swapper/922:34:1131
271069913748,62cyclictest0-21swapper/921:57:1831
271659913656,61cyclictest0-21swapper/1820:02:0010
271659913645,57cyclictest0-21swapper/1823:42:1410
272119913522,78cyclictest0-21swapper/2421:57:3717
271659913528,61cyclictest0-21swapper/1800:21:1910
271659913528,61cyclictest0-21swapper/1800:21:1910
271069913552,61cyclictest0-21swapper/921:23:3931
271069913549,55cyclictest0-21swapper/920:13:0631
271659913443,59cyclictest0-21swapper/1820:27:3910
272119913342,61cyclictest0-21swapper/2423:40:3117
271659913329,69cyclictest0-21swapper/1821:40:1610
271659913328,70cyclictest0-21swapper/1821:18:2710
271659913328,69cyclictest0-21swapper/1823:56:0810
271659913328,68cyclictest0-21swapper/1800:34:3610
271659913328,68cyclictest0-21swapper/1800:34:3610
271659913326,63cyclictest0-21swapper/1822:35:2510
271409913328,66cyclictest0-21swapper/1319:15:135
271409913328,66cyclictest0-21swapper/1319:15:135
271069913348,60cyclictest0-21swapper/923:22:3531
271069913342,57cyclictest0-21swapper/919:15:2531
271069913342,57cyclictest0-21swapper/919:15:2531
271069913328,67cyclictest0-21swapper/900:15:1331
272119913229,69cyclictest0-21swapper/2419:35:1817
272119913217,67cyclictest0-21swapper/2422:42:0117
271659913254,61cyclictest0-21swapper/1820:10:3410
271659913253,63cyclictest0-21swapper/1822:12:2610
271659913229,72cyclictest0-21swapper/1823:20:1710
271659913227,58cyclictest0-21swapper/1800:35:4110
271659913227,58cyclictest0-21swapper/1800:35:4010
271659913225,70cyclictest0-21swapper/1800:27:3910
271659913225,70cyclictest0-21swapper/1800:27:3910
271659913225,64cyclictest0-21swapper/1822:27:2310
271409913226,65cyclictest0-21swapper/1300:27:355
271409913226,65cyclictest0-21swapper/1300:27:345
271069913236,59cyclictest0-21swapper/923:41:0031
271069913232,73cyclictest0-21swapper/900:07:4431
271069913229,65cyclictest0-21swapper/900:25:2131
271069913229,65cyclictest0-21swapper/900:25:2131
271069913227,66cyclictest0-21swapper/923:55:5931
270499913227,63cyclictest0-21swapper/023:53:120
272439913131,99cyclictest0-21swapper/2821:10:2321
272439913130,82cyclictest0-21swapper/2821:25:3821
272439913129,65cyclictest0-21swapper/2821:15:1221
272279913131,69cyclictest0-21swapper/2623:29:0019
272119913153,61cyclictest0-21swapper/2419:20:1817
272119913153,61cyclictest0-21swapper/2419:20:1717
272119913149,58cyclictest0-21swapper/2423:25:0217
272119913144,61cyclictest0-21swapper/2423:34:3917
272119913141,58cyclictest0-21swapper/2420:46:4917
272119913127,67cyclictest0-21swapper/2400:30:1617
272119913127,67cyclictest0-21swapper/2400:30:1617
271659913132,64cyclictest0-21swapper/1821:39:5010
271659913131,74cyclictest0-21swapper/1820:38:5410
271659913131,69cyclictest0-21swapper/1821:48:2010
271659913128,67cyclictest0-21swapper/1819:26:1510
271069913149,65cyclictest0-21swapper/922:35:1631
271069913147,62cyclictest0-21swapper/921:15:3831
271069913146,56cyclictest0-21swapper/922:17:0531
271069913141,62cyclictest0-21swapper/922:00:1931
271069913134,67cyclictest0-21swapper/919:40:1831
271069913130,61cyclictest0-21swapper/920:30:4531
270499913146,61cyclictest0-21swapper/022:11:390
272439913030,64cyclictest0-21swapper/2819:25:0821
272119913050,72cyclictest0-21swapper/2422:25:1317
272119913040,57cyclictest0-21swapper/2420:40:2417
272119913030,74cyclictest0-21swapper/2421:26:2117
272119913030,68cyclictest0-21swapper/2420:00:2017
272119913030,65cyclictest0-21swapper/2422:35:1817
272119913029,65cyclictest0-21swapper/2423:35:4717
272119913026,66cyclictest0-21swapper/2423:50:4017
271659913059,65cyclictest0-21swapper/1823:05:2110
271659913036,65cyclictest0-21swapper/1822:16:0810
271659913036,57cyclictest0-21swapper/1800:13:1310
271659913032,74cyclictest0-21swapper/1819:15:3110
271659913032,74cyclictest0-21swapper/1819:15:3110
271659913030,67cyclictest0-21swapper/1822:23:0610
271659913028,68cyclictest0-21swapper/1823:48:2410
271659913028,66cyclictest0-21swapper/1800:03:3510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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