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2026-06-27 - 18:39
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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 Jun 27, 2026 12:49:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
100589949598,199cyclictest151rcu_preempt10:56:4815
3273912830,275ptp4l0-21swapper/107:05:451
99909928284,1cyclictest151rcu_preempt09:33:5629
99909928183,2cyclictest151rcu_preempt11:20:5929
330891249241,6phc2sys0-21swapper/207:05:5212
100389918298,3cyclictest151rcu_preempt12:10:299
10052991622,158cyclictest0-21swapper/2010:21:0113
10052991612,123cyclictest0-21swapper/2012:35:4213
10052991612,123cyclictest0-21swapper/2012:35:4213
10052991612,123cyclictest0-21swapper/2009:15:1413
10052991602,138cyclictest0-21swapper/2009:12:0713
10052991602,125cyclictest0-21swapper/2011:21:2413
10052991602,118cyclictest0-21swapper/2009:37:4113
10052991602,116cyclictest0-21swapper/2010:06:4113
10052991602,115cyclictest0-21swapper/2009:30:1713
10052991592,128cyclictest0-21swapper/2011:26:4213
10052991562,135cyclictest0-21swapper/2012:03:4513
10052991562,135cyclictest0-21swapper/2012:03:4513
10052991562,121cyclictest0-21swapper/2010:30:1913
10052991492,111cyclictest0-21swapper/2010:45:1713
10052991462,102cyclictest0-21swapper/2010:18:5913
10062991430,114cyclictest0-21swapper/2308:25:1616
10052991432,98cyclictest0-21swapper/2011:42:2213
10052991402,100cyclictest0-21swapper/2007:40:1313
10052991402,100cyclictest0-21swapper/2007:40:1313
10052991352,95cyclictest0-21swapper/2008:45:1913
10052991342,100cyclictest0-21swapper/2011:50:1613
100119913420,53cyclictest151rcu_preempt12:20:132
100119913420,53cyclictest151rcu_preempt12:20:132
100549913349,55cyclictest0-21swapper/2109:34:1014
100549913246,57cyclictest0-21swapper/2107:15:4614
100549913246,57cyclictest0-21swapper/2107:15:4614
100549913047,55cyclictest0-21swapper/2107:20:0214
100549913047,55cyclictest0-21swapper/2107:20:0214
100549913046,53cyclictest0-21swapper/2111:25:2114
10052991302,99cyclictest0-21swapper/2011:07:2913
100549912944,57cyclictest0-21swapper/2108:26:5014
100549912942,62cyclictest0-21swapper/2111:20:0114
100549912939,58cyclictest0-21swapper/2110:54:2014
100549912827,67cyclictest0-21swapper/2111:09:5014
100549912825,64cyclictest0-21swapper/2108:41:1514
100549912825,62cyclictest0-21swapper/2109:45:5514
100119912842,57cyclictest0-21swapper/1011:00:032
100119912821,103cyclictest0-21swapper/1010:37:482
100549912747,53cyclictest0-21swapper/2109:37:4914
100549912747,53cyclictest0-21swapper/2109:23:2914
100549912727,66cyclictest0-21swapper/2112:30:3314
100119912746,53cyclictest0-21swapper/1009:23:562
100549912649,55cyclictest0-21swapper/2112:09:1014
100549912644,54cyclictest0-21swapper/2107:45:0914
100549912644,54cyclictest0-21swapper/2107:45:0914
100549912628,64cyclictest0-21swapper/2111:47:4914
10052991262,88cyclictest0-21swapper/2009:25:3313
100119912624,63cyclictest0-21swapper/1009:50:392
100069912611,54cyclictest18892-21taskset09:41:1131
100069912611,52cyclictest26413-21taskset09:47:0431
100549912562,60cyclictest30819-21unixbench_multi10:55:2514
100549912552,59cyclictest0-21swapper/2109:58:1314
100549912550,59cyclictest0-21swapper/2109:52:1514
100549912550,57cyclictest0-21swapper/2109:25:0614
100549912542,66cyclictest0-21swapper/2112:28:2014
100549912537,58cyclictest0-21swapper/2109:42:4314
100549912528,66cyclictest0-21swapper/2111:39:4614
100549912528,63cyclictest0-21swapper/2110:05:4214
100549912528,63cyclictest0-21swapper/2108:34:5114
100549912526,66cyclictest0-21swapper/2112:00:2414
100549912526,66cyclictest0-21swapper/2112:00:2414
100549912526,65cyclictest0-21swapper/2110:28:5314
100549912525,65cyclictest0-21swapper/2112:36:5814
100549912525,65cyclictest0-21swapper/2112:36:5814
100549912448,61cyclictest0-21swapper/2110:22:1614
100549912432,65cyclictest0-21swapper/2111:01:4914
100549912427,66cyclictest0-21swapper/2108:16:0914
100549912427,63cyclictest0-21swapper/2111:56:5314
100549912426,67cyclictest0-21swapper/2111:14:0714
100549912426,66cyclictest0-21swapper/2108:20:2514
100549912426,64cyclictest0-21swapper/2107:39:1714
100549912426,64cyclictest0-21swapper/2107:39:1614
100549912424,65cyclictest0-21swapper/2108:51:2514
100119912441,56cyclictest0-21swapper/1011:59:542
100119912424,59cyclictest0-21swapper/1008:39:022
100589912349,72cyclictest16757-21taskset11:30:2615
100549912329,70cyclictest0-21swapper/2109:14:5614
100549912328,64cyclictest0-21swapper/2110:13:4314
100549912328,60cyclictest0-21swapper/2111:43:2614
100549912327,68cyclictest0-21swapper/2110:38:1814
100549912327,66cyclictest0-21swapper/2110:18:2714
100549912326,65cyclictest0-21swapper/2108:00:0714
100119912339,55cyclictest0-21swapper/1009:35:352
10068991228,106cyclictest151rcu_preempt11:28:0117
100549912231,72cyclictest0-21swapper/2111:33:5414
100549912230,76cyclictest0-21swapper/2107:55:1814
100549912228,65cyclictest0-21swapper/2110:42:0314
100549912226,62cyclictest0-21swapper/2112:14:3114
100549912225,64cyclictest0-21swapper/2111:21:3614
100119912246,56cyclictest0-21swapper/1011:47:352
100119912227,64cyclictest0-21swapper/1008:40:162
100549912155,63cyclictest0-21swapper/2110:45:1514
100549912128,70cyclictest0-21swapper/2110:02:3014
100549912126,61cyclictest0-21swapper/2110:34:3414
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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