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2026-05-07 - 06:05
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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 Thu May 07, 2026 00:49:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3273912140,206ptp4l0-21swapper/119:09:261
14765991590,117cyclictest0-21swapper/921:20:4431
14886991500,86cyclictest0-21swapper/2800:15:2021
148309914830,74cyclictest0-21swapper/1823:50:1510
148309914828,86cyclictest0-21swapper/1823:08:3310
14863991470,88cyclictest0-21swapper/2321:45:1516
14739991440,87cyclictest0-21swapper/400:12:1326
147509914331,19cyclictest0-21swapper/619:30:1828
14739991430,85cyclictest0-21swapper/423:10:1626
14739991430,85cyclictest0-21swapper/400:28:5026
148989914271,10cyclictest0-21swapper/2919:14:0822
148379914242,66cyclictest0-21swapper/1923:37:4311
148309914224,75cyclictest0-21swapper/1822:01:4410
148869914156,62cyclictest0-21swapper/2800:02:4521
148379914050,61cyclictest0-21swapper/1900:00:2511
148379914044,58cyclictest0-21swapper/1919:50:0211
14898991390,89cyclictest0-21swapper/2922:46:5022
148869913932,66cyclictest0-21swapper/2822:59:5821
148639913929,75cyclictest0-21swapper/2322:40:1916
148379913945,57cyclictest0-21swapper/1920:30:2311
148379913945,57cyclictest0-21swapper/1920:30:2311
14822991390,88cyclictest0-21swapper/1721:10:259
147399913955,58cyclictest0-21swapper/423:04:2326
147399913927,64cyclictest0-21swapper/400:04:1226
14739991391,82cyclictest0-21swapper/422:46:3726
148869913854,67cyclictest0-21swapper/2821:54:3821
148869913847,59cyclictest0-21swapper/2821:06:0821
148869913847,59cyclictest0-21swapper/2821:06:0721
148869913845,61cyclictest0-21swapper/2822:47:0921
148379913837,57cyclictest0-21swapper/1920:20:1211
148379913837,57cyclictest0-21swapper/1920:20:1111
14765991380,84cyclictest0-21swapper/923:41:1731
147399913827,65cyclictest0-21swapper/423:20:3926
148869913743,65cyclictest0-21swapper/2800:20:1621
14761991371,80cyclictest0-21swapper/821:05:1630
14761991371,80cyclictest0-21swapper/821:05:1630
147399913731,64cyclictest0-21swapper/420:20:2226
147399913731,64cyclictest0-21swapper/420:20:2226
14739991371,88cyclictest391rcuc/421:45:1726
148869913652,65cyclictest0-21swapper/2823:04:1521
147399913647,54cyclictest0-21swapper/421:36:4226
147399913628,67cyclictest0-21swapper/419:25:3226
14739991360,82cyclictest0-21swapper/400:35:1626
14739991360,81cyclictest0-21swapper/422:40:2026
14739991360,80cyclictest0-21swapper/420:15:1226
14739991360,80cyclictest0-21swapper/420:15:1226
148869913550,63cyclictest0-21swapper/2821:58:3021
148869913550,56cyclictest0-21swapper/2823:32:5121
148869913533,62cyclictest0-21swapper/2822:18:1721
148869913530,67cyclictest0-21swapper/2819:45:4121
148869913527,66cyclictest0-21swapper/2823:27:3021
148379913549,61cyclictest0-21swapper/1920:40:2911
148379913549,61cyclictest0-21swapper/1920:40:2911
148379913532,64cyclictest0-21swapper/1921:40:2311
147399913546,57cyclictest0-21swapper/422:10:2326
147399913544,64cyclictest0-21swapper/423:54:0226
148869913459,62cyclictest0-21swapper/2823:06:2321
148869913439,69cyclictest0-21swapper/2823:23:3621
148869913426,68cyclictest0-21swapper/2823:56:3821
148809913423,108cyclictest151rcu_preempt00:12:5120
148379913432,69cyclictest0-21swapper/1922:54:0911
14761991340,83cyclictest0-21swapper/821:35:1230
147399913427,64cyclictest0-21swapper/422:38:4426
14739991340,77cyclictest0-21swapper/422:25:2226
148869913348,54cyclictest0-21swapper/2822:01:1221
148869913329,69cyclictest0-21swapper/2800:40:0021
148869913328,64cyclictest0-21swapper/2821:13:0521
148869913327,64cyclictest0-21swapper/2822:50:2021
148869913326,64cyclictest0-21swapper/2823:49:0921
148869913326,64cyclictest0-21swapper/2823:11:1521
147399913331,64cyclictest0-21swapper/422:16:0126
147399913330,66cyclictest0-21swapper/400:09:3526
147399913330,61cyclictest0-21swapper/420:15:0126
147399913330,61cyclictest0-21swapper/420:15:0126
147399913329,60cyclictest0-21swapper/400:20:1726
14739991331,81cyclictest0-21swapper/423:08:5426
148869913261,31cyclictest0-21swapper/2820:45:1721
148869913261,31cyclictest0-21swapper/2820:45:1721
148869913231,74cyclictest0-21swapper/2821:40:2121
148869913229,70cyclictest0-21swapper/2823:35:1521
148869913229,68cyclictest0-21swapper/2821:15:4421
148869913229,67cyclictest0-21swapper/2821:30:4221
148379913231,58cyclictest0-21swapper/1921:21:4111
148379913229,67cyclictest0-21swapper/1923:01:0411
147399913230,63cyclictest0-21swapper/421:20:1026
147399913228,65cyclictest0-21swapper/423:43:5626
14739991320,77cyclictest0-21swapper/423:18:3126
148869913142,77cyclictest0-21swapper/2822:38:3621
148869913132,75cyclictest0-21swapper/2822:31:3921
148869913131,76cyclictest0-21swapper/2820:26:0321
148869913131,76cyclictest0-21swapper/2820:26:0321
148869913130,76cyclictest0-21swapper/2821:46:1221
148869913130,70cyclictest0-21swapper/2819:50:1521
148869913130,65cyclictest0-21swapper/2820:39:5721
148869913130,65cyclictest0-21swapper/2820:39:5721
148869913129,69cyclictest0-21swapper/2800:30:1821
148869913128,68cyclictest0-21swapper/2821:35:0121
148869913127,66cyclictest0-21swapper/2821:23:1221
148869913126,68cyclictest0-21swapper/2800:08:0721
148869913125,60cyclictest0-21swapper/2819:30:1121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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