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2025-12-08 - 22:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4.osadl.org (updated Mon Dec 08, 2025 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2853423710,2sleep227852-1kworker/u9:007:05:152
2853323670,2sleep1181rcuc/107:05:131
2940923120,2sleep30-21swapper/307:05:403
3019298233227,4cyclictest16601-21kworker/u8:4408:06:592
3018898181174,4cyclictest1050ksoftirqd/008:07:000
3019698171162,6cyclictest16602-21kworker/u8:4508:07:003
3018898143137,3cyclictest1050ksoftirqd/010:27:170
3018998136127,6cyclictest16605-21kworker/u8:4808:07:001
3019698133125,5cyclictest14292-21kworker/u8:5010:27:183
3227421300,2sleep30-21swapper/308:40:163
3019298109103,4cyclictest1205-21kworker/u8:2508:52:022
859821060,2sleep10-21swapper/111:18:051
859821060,2sleep10-21swapper/111:18:041
30189989990,6cyclictest11798-21kworker/u8:1010:27:171
30192989891,4cyclictest29849-21kworker/u8:1207:21:572
16692850,2sleep20-21swapper/211:04:152
296982780,2chrt0-21swapper/310:55:303
30192987468,4cyclictest4968-21kworker/u8:207:32:112
30192987468,4cyclictest4968-21kworker/u8:207:32:102
30192986560,3cyclictest28578-21kworker/u8:511:07:132
30188985750,4cyclictest1050ksoftirqd/008:52:030
30192985043,4cyclictest3098-21kworker/u8:407:27:032
30192984841,4cyclictest6874-21kworker/u8:2307:37:192
238712470,2sleep30-21swapper/311:50:243
30196984638,5cyclictest3105-21kworker/u8:4808:52:033
30188984438,3cyclictest1050ksoftirqd/007:21:560
138562440,3sleep213847-21ssh12:35:322
30192984336,4cyclictest5198-21kworker/u8:809:17:392
57342410,3sleep10-21swapper/110:05:211
30192984134,3cyclictest22238-21kworker/u8:608:22:222
30192984134,3cyclictest22238-21kworker/u8:608:22:212
128612390,2sleep112862-21cat11:25:441
3019698372,3cyclictest121rcu_preempt09:25:143
30192983729,5cyclictest4614-21kworker/u8:910:06:522
3018998363,9cyclictest121rcu_preempt07:25:161
30188983628,5cyclictest10-21ksoftirqd/010:55:310
3019698351,3cyclictest121rcu_preempt11:35:163
30192983412,15cyclictest121rcu_preempt11:30:172
3019698331,3cyclictest121rcu_preempt08:30:193
3019698331,3cyclictest121rcu_preempt07:50:293
30192983326,3cyclictest15518-21kworker/u8:1511:36:592
3019298331,4cyclictest121rcu_preempt11:45:172
133272330,2sleep113334-21wc10:20:251
116732330,1sleep110856-21kworker/u8:2307:45:261
30196983225,4cyclictest29846-21kworker/u8:807:21:563
3019698322,3cyclictest121rcu_preempt09:05:143
3019298329,5cyclictest121rcu_preempt11:15:142
3019298329,5cyclictest121rcu_preempt11:15:132
30192983226,3cyclictest17913-21kworker/u8:011:42:022
3019298312,3cyclictest121rcu_preempt10:20:152
30188983123,5cyclictest10-21ksoftirqd/007:15:130
30188983123,5cyclictest10-21ksoftirqd/007:15:130
261882310,5sleep331-21ksoftirqd/310:47:053
3019298301,4cyclictest121rcu_preempt12:25:152
30192983014,9cyclictest25-21ksoftirqd/209:56:422
30188983024,4cyclictest10-21ksoftirqd/012:10:130
213932300,19sleep119-21ksoftirqd/110:37:031
78322290,17sleep30-21swapper/312:24:143
3019298299,4cyclictest121rcu_preempt09:05:122
30192982914,4cyclictest25-21ksoftirqd/212:00:172
30192982914,4cyclictest25-21ksoftirqd/212:00:162
3019298290,4cyclictest121rcu_preempt07:10:172
3019298290,4cyclictest121rcu_preempt07:10:162
292612290,6sleep3311ksoftirqd/309:45:533
289452290,4chrt0-21swapper/108:30:301
201192290,2sleep17060-21kworker/u8:1709:27:131
80552280,5sleep1191ksoftirqd/110:10:211
33972280,1sleep127326-21kworker/u8:110:00:221
3019698286,4cyclictest121rcu_preempt10:35:193
3019698285,6cyclictest121rcu_preempt12:20:013
3019298287,4cyclictest325582if_err_eth107:15:232
3019298287,4cyclictest325582if_err_eth107:15:222
3019298286,4cyclictest121rcu_preempt10:15:272
3019298283,4cyclictest121rcu_preempt09:50:272
3019298283,4cyclictest121rcu_preempt09:50:272
30192982822,3cyclictest14319-21kworker/u8:7710:32:242
3019298281,7cyclictest84992kworker/u8:311:26:442
30192982813,4cyclictest25-21ksoftirqd/209:40:182
3018998286,4cyclictest121rcu_preempt09:30:481
3018998285,5cyclictest19-21ksoftirqd/111:10:261
280082280,3chrt27996-21ssh10:50:432
236132281,4sleep323683-21/usr/sbin/munin09:35:243
22162280,4sleep119-21ksoftirqd/111:05:181
174642280,2sleep131729-21kworker/u8:1409:21:041
89262270,2sleep30-21swapper/311:19:473
89262270,2sleep30-21swapper/311:19:473
31202270,5sleep2251ksoftirqd/208:47:112
3019698272,3cyclictest121rcu_preempt08:00:253
30196982710,5cyclictest31-21ksoftirqd/307:15:113
30196982710,5cyclictest31-21ksoftirqd/307:15:103
3019298272,3cyclictest121rcu_preempt09:36:462
3019298272,3cyclictest121rcu_preempt07:40:442
30192982721,3cyclictest7012-21kworker/u8:010:11:552
3019298271,5cyclictest0-21swapper/212:23:542
3019298271,3cyclictest121rcu_preempt11:15:002
30188982721,3cyclictest1050ksoftirqd/012:16:520
287502270,2sleep10-21swapper/110:52:541
283452270,2sleep30-21swapper/312:00:103
283452270,2sleep30-21swapper/312:00:093
274882270,1sleep324902-21kworker/u8:2209:43:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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