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2026-05-19 - 06:40
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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 Tue May 19, 2026 00:49:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3273912800,272ptp4l0-21swapper/119:06:211
66209919022,166cyclictest0-21swapper/2123:22:2914
66209918922,165cyclictest0-21swapper/2100:17:5914
66209918622,121cyclictest0-21swapper/2119:35:2514
66209918622,121cyclictest0-21swapper/2119:35:2414
66009917516,155cyclictest0-21swapper/1621:15:008
66209917422,101cyclictest0-21swapper/2100:05:4614
66579917257,80cyclictest0-21swapper/2700:28:3920
66209917122,86cyclictest0-21swapper/2122:44:3114
66579917052,116cyclictest0-21swapper/2722:56:0820
66209917018,124cyclictest10494-21taskset00:35:2614
66209916722,93cyclictest0-21swapper/2122:23:4014
66209916722,86cyclictest0-21swapper/2123:25:0814
66209916622,107cyclictest0-21swapper/2122:58:2114
66009916619,102cyclictest0-21swapper/1600:28:128
66209916525,138cyclictest151rcu_preempt23:06:5914
66009916320,98cyclictest0-21swapper/1621:40:238
6620991610,21cyclictest0-21swapper/2122:27:2014
661699161160,0cyclictest137-21ksoftirqd/2023:15:1913
66009915619,105cyclictest0-21swapper/1621:32:388
66009915550,104cyclictest112-21ksoftirqd/1623:35:018
66009915320,126cyclictest0-21swapper/1622:45:318
66009914817,105cyclictest0-21swapper/1623:55:208
6600991460,86cyclictest0-21swapper/1619:40:248
6600991460,86cyclictest0-21swapper/1619:40:248
6657991440,82cyclictest0-21swapper/2723:17:1320
65869914427,69cyclictest0-21swapper/1200:05:234
66209914357,59cyclictest0-21swapper/2121:24:5414
66169914333,109cyclictest137-21ksoftirqd/2021:29:3113
6549991430,83cyclictest0-21swapper/619:25:2828
66169914226,59cyclictest151rcu_preempt21:19:5713
65499914251,66cyclictest0-21swapper/623:58:3328
6549991420,84cyclictest0-21swapper/600:25:1728
66009914120,84cyclictest0-21swapper/1620:40:158
66009914120,84cyclictest0-21swapper/1620:40:158
65869914137,71cyclictest0-21swapper/1221:01:184
65869914137,71cyclictest0-21swapper/1221:01:184
6549991410,85cyclictest0-21swapper/622:14:5328
6549991410,84cyclictest0-21swapper/600:16:1328
6549991410,81cyclictest0-21swapper/620:25:0328
6549991410,81cyclictest0-21swapper/620:25:0228
6646991390,79cyclictest0-21swapper/2522:45:3918
66209913922,77cyclictest0-21swapper/2121:58:3414
65869913921,117cyclictest88-21ksoftirqd/1200:20:064
66209913821,89cyclictest0-21swapper/2120:20:0114
66209913821,89cyclictest0-21swapper/2120:20:0114
66009913820,75cyclictest0-21swapper/1622:56:348
65499913841,63cyclictest0-21swapper/621:37:5828
6549991380,86cyclictest0-21swapper/623:08:3028
6549991380,80cyclictest0-21swapper/619:30:1728
66469913743,84cyclictest0-21swapper/2521:46:5118
66209913748,59cyclictest0-21swapper/2121:53:1214
66009913616,90cyclictest0-21swapper/1621:35:178
65499913629,70cyclictest0-21swapper/622:24:3028
6549991360,83cyclictest0-21swapper/622:00:1328
66209913553,59cyclictest0-21swapper/2122:34:5514
66209913549,63cyclictest0-21swapper/2122:15:0714
66209913548,58cyclictest0-21swapper/2121:48:2514
66209913528,66cyclictest0-21swapper/2121:16:2114
66209913527,64cyclictest0-21swapper/2122:03:0814
65929913524,64cyclictest0-21swapper/1421:10:056
6549991350,81cyclictest0-21swapper/622:56:0228
66469913442,61cyclictest0-21swapper/2500:34:2818
6646991340,81cyclictest0-21swapper/2500:06:2118
66209913427,70cyclictest0-21swapper/2120:41:3714
66209913427,70cyclictest0-21swapper/2120:41:3614
66209913422,77cyclictest0-21swapper/2121:29:4114
66009913420,63cyclictest0-21swapper/1621:16:488
65929913454,55cyclictest0-21swapper/1423:37:206
65499913421,74cyclictest0-21swapper/623:50:5028
65499913416,72cyclictest0-21swapper/622:32:3128
6549991340,79cyclictest0-21swapper/600:32:5728
66469913352,63cyclictest0-21swapper/2521:14:1518
66469913330,62cyclictest0-21swapper/2521:30:1718
66209913340,61cyclictest0-21swapper/2121:11:3214
66209913330,72cyclictest0-21swapper/2123:54:2814
66209913330,70cyclictest0-21swapper/2100:29:4914
66209913329,72cyclictest0-21swapper/2122:48:1614
66209913329,70cyclictest0-21swapper/2123:12:1814
66209913328,69cyclictest0-21swapper/2119:52:5914
66209913328,69cyclictest0-21swapper/2119:52:5914
66209913328,69cyclictest0-21swapper/2100:34:0614
66209913325,73cyclictest0-21swapper/2123:55:5414
66009913320,79cyclictest0-21swapper/1600:30:368
65499913330,73cyclictest0-21swapper/600:10:1928
65499913326,61cyclictest0-21swapper/621:45:2828
65499913312,81cyclictest52-21ksoftirqd/622:15:2428
6549991330,81cyclictest0-21swapper/623:43:0428
66469913249,63cyclictest0-21swapper/2523:30:0118
66469913244,69cyclictest0-21swapper/2520:05:1918
66469913244,69cyclictest0-21swapper/2520:05:1918
66469913242,59cyclictest0-21swapper/2521:23:5218
66469913228,69cyclictest0-21swapper/2519:30:3618
66209913245,55cyclictest0-21swapper/2122:08:1014
66209913232,72cyclictest0-21swapper/2121:43:3614
66209913231,76cyclictest0-21swapper/2123:19:1514
66209913230,76cyclictest0-21swapper/2100:22:1914
66209913230,74cyclictest0-21swapper/2123:33:4214
66209913229,75cyclictest0-21swapper/2122:35:4214
66209913229,74cyclictest0-21swapper/2121:35:2014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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