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2025-11-23 - 15:43
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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 Sun Nov 23, 2025 12:49:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257099337139,1cyclictest151rcu_preempt09:40:2413
26279933034,281cyclictest0-21swapper/2812:00:1721
2482912710,262ptp4l0-21swapper/107:08:451
329891193184,7phc2sys0-21swapper/207:09:4512
24539916531,95cyclictest0-21swapper/211:48:0212
24539916026,104cyclictest0-21swapper/210:14:1212
24779915425,63cyclictest0-21swapper/611:24:0328
26079915117,76cyclictest0-21swapper/2510:20:1418
24539915118,132cyclictest151rcu_preempt10:15:2512
25009915027,89cyclictest0-21swapper/1010:31:442
25009915027,89cyclictest0-21swapper/1010:31:442
25009914926,119cyclictest0-21swapper/1011:15:022
25009914926,119cyclictest0-21swapper/1011:15:022
2607991480,98cyclictest167-21ksoftirqd/2510:00:2818
25009914827,86cyclictest0-21swapper/1009:45:472
25009914624,98cyclictest0-21swapper/1009:16:552
2453991460,87cyclictest0-21swapper/207:15:3012
26339914515,129cyclictest0-21swapper/2911:16:2522
26339914515,129cyclictest0-21swapper/2911:16:2522
26339914515,128cyclictest0-21swapper/2911:45:1722
26339914515,106cyclictest0-21swapper/2909:44:3022
25009914527,72cyclictest0-21swapper/1009:29:132
26339914415,99cyclictest0-21swapper/2910:21:2222
26339914415,89cyclictest0-21swapper/2910:04:1622
26339914415,85cyclictest0-21swapper/2910:57:1122
26339914415,85cyclictest0-21swapper/2910:57:1022
26339914315,98cyclictest0-21swapper/2907:45:1322
26339914315,81cyclictest0-21swapper/2911:58:0622
26339914315,110cyclictest0-21swapper/2912:17:0822
26339914315,108cyclictest0-21swapper/2912:28:3422
26339914315,106cyclictest0-21swapper/2909:35:2522
25009914320,112cyclictest0-21swapper/1010:23:292
26339914215,100cyclictest10818-21taskset07:40:1622
26339914115,81cyclictest0-21swapper/2912:24:4922
25709914017,51cyclictest0-21swapper/2008:05:1813
2453991400,82cyclictest0-21swapper/207:50:1412
2453991390,86cyclictest0-21swapper/211:00:1912
2453991390,86cyclictest0-21swapper/211:00:1912
26079913833,87cyclictest0-21swapper/2510:10:2418
25009913817,91cyclictest0-21swapper/1008:45:302
24539913852,55cyclictest0-21swapper/210:59:4012
24539913852,55cyclictest0-21swapper/210:59:4012
24539913828,67cyclictest0-21swapper/211:20:4712
26339913715,88cyclictest0-21swapper/2909:30:0422
2607991370,81cyclictest0-21swapper/2508:50:2718
2591991370,79cyclictest0-21swapper/2310:18:0316
25709913714,109cyclictest0-21swapper/2010:33:4513
25709913714,109cyclictest0-21swapper/2010:33:4513
25639913731,63cyclictest0-21swapper/1910:30:1711
25639913731,63cyclictest0-21swapper/1910:30:1711
24539913758,55cyclictest0-21swapper/209:25:2012
24539913729,69cyclictest0-21swapper/210:51:0712
2453991370,82cyclictest0-21swapper/211:40:0112
25709913617,86cyclictest0-21swapper/2011:27:2513
25709913617,86cyclictest0-21swapper/2011:27:2413
25709913617,118cyclictest0-21swapper/2010:55:1413
25709913617,118cyclictest0-21swapper/2010:55:1413
25639913654,60cyclictest0-21swapper/1911:30:3811
25639913640,63cyclictest0-21swapper/1910:45:1411
25639913640,63cyclictest0-21swapper/1910:45:1411
25639913632,72cyclictest0-21swapper/1912:23:0311
25639913628,63cyclictest0-21swapper/1909:49:3711
25639913628,61cyclictest0-21swapper/1910:23:5311
24539913655,62cyclictest0-21swapper/209:00:1312
24539913634,65cyclictest0-21swapper/208:43:2112
24539913628,67cyclictest0-21swapper/208:45:1512
24539913626,65cyclictest0-21swapper/209:52:3612
26079913526,72cyclictest0-21swapper/2508:44:3518
25709913517,68cyclictest0-21swapper/2010:02:1613
25709913517,115cyclictest0-21swapper/2007:50:2213
25639913528,64cyclictest0-21swapper/1910:52:1211
24539913551,57cyclictest0-21swapper/209:57:4012
24539913545,57cyclictest0-21swapper/210:20:5512
24539913542,57cyclictest0-21swapper/212:12:3712
25709913418,114cyclictest0-21swapper/2008:30:2413
25709913417,114cyclictest0-21swapper/2010:28:3813
25709913416,96cyclictest0-21swapper/2009:11:0013
25709913415,86cyclictest0-21swapper/2009:53:2213
25639913430,59cyclictest0-21swapper/1910:40:2711
25639913430,59cyclictest0-21swapper/1910:40:2711
25639913429,67cyclictest0-21swapper/1911:48:5111
25639913429,62cyclictest0-21swapper/1909:35:1511
25639913429,61cyclictest0-21swapper/1907:15:4711
25639913428,66cyclictest0-21swapper/1909:20:4911
24539913432,76cyclictest0-21swapper/209:24:1612
2453991340,84cyclictest0-21swapper/212:28:3912
25639913329,63cyclictest0-21swapper/1907:55:1911
25009913327,60cyclictest0-21swapper/1012:09:332
24539913331,73cyclictest0-21swapper/210:37:2912
24539913331,73cyclictest0-21swapper/210:37:2912
24539913327,62cyclictest0-21swapper/209:05:0212
24539913325,65cyclictest0-21swapper/209:30:0912
24539913318,70cyclictest0-21swapper/208:02:3112
2453991330,83cyclictest0-21swapper/209:14:2112
25639913228,61cyclictest0-21swapper/1909:50:4311
2543991320,80cyclictest0-21swapper/1611:03:548
2543991320,80cyclictest0-21swapper/1611:03:548
25009913227,66cyclictest0-21swapper/1011:00:362
25009913227,66cyclictest0-21swapper/1011:00:362
25009913218,83cyclictest0-21swapper/1010:02:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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