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2026-06-14 - 18:26
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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 rackaslot8.osadl.org (updated Sun Jun 14, 2026 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224542298267,21sleep20-21swapper/207:09:532
222152285255,20sleep10-21swapper/107:07:071
223552263233,19sleep00-21swapper/007:08:560
221392254227,17sleep30-21swapper/307:06:083
83492600,0sleep00-21swapper/011:44:520
143032600,0sleep20-21swapper/212:07:472
57092580,0sleep00-21swapper/011:23:050
319982180,0sleep20-21swapper/211:59:062
199652180,0sleep20-21swapper/212:10:492
277572160,0sleep10-21swapper/110:37:371
92852150,1sleep19288-21gltestperf11:25:141
168562150,0sleep30-21swapper/310:11:053
94692140,0sleep10-21swapper/111:05:211
77972140,1sleep20-21swapper/209:45:412
20042140,0sleep00-21swapper/010:02:160
77592130,0sleep00-21swapper/010:25:190
93632120,0sleep00-21swapper/009:46:560
2256699128,1cyclictest18750irq/134-ahci[0008:15:001
2257599118,2cyclictest34-21ksoftirqd/308:00:003
2257599109,1cyclictest34-21ksoftirqd/311:35:013
2257599109,1cyclictest34-21ksoftirqd/311:05:013
2257599102,6cyclictest331rcuc/311:13:003
2256699109,1cyclictest22-21ksoftirqd/111:15:011
8090290,0chrt0-21swapper/009:26:080
225759998,1cyclictest34-21ksoftirqd/309:30:013
225759997,2cyclictest34-21ksoftirqd/312:15:003
225759994,3cyclictest34-21ksoftirqd/309:51:513
225759993,4cyclictest34-21ksoftirqd/311:44:243
225759992,5cyclictest34-21ksoftirqd/312:23:173
225759992,5cyclictest34-21ksoftirqd/311:00:103
225759992,4cyclictest34-21ksoftirqd/310:01:523
225759992,4cyclictest0-21swapper/311:49:573
225759992,4cyclictest0-21swapper/309:35:193
225759991,5cyclictest34-21ksoftirqd/309:55:153
225669998,1cyclictest211rcuc/109:50:221
225669992,5cyclictest22-21ksoftirqd/111:48:291
225669992,5cyclictest0-21swapper/109:21:581
225669992,4cyclictest22-21ksoftirqd/111:01:311
225669992,4cyclictest22-21ksoftirqd/110:10:471
225669992,3cyclictest22-21ksoftirqd/110:21:301
225669991,6cyclictest22-21ksoftirqd/112:31:021
225669991,6cyclictest22-21ksoftirqd/111:50:231
225669991,5cyclictest22-21ksoftirqd/112:13:141
225669991,5cyclictest0-21swapper/111:43:161
225669991,5cyclictest0-21swapper/111:31:091
225639998,1cyclictest12-21ksoftirqd/012:10:000
225639997,1cyclictest12-21ksoftirqd/011:05:010
32285280,0sleep00-21swapper/010:40:170
28917280,0sleep00-21swapper/009:59:240
225759987,1cyclictest331rcuc/311:15:023
225759986,2cyclictest34-21ksoftirqd/309:00:003
225759986,2cyclictest34-21ksoftirqd/307:15:023
225759985,2cyclictest34-21ksoftirqd/308:55:003
225759984,2cyclictest275-21systemd-journal07:47:433
225759983,3cyclictest34-21ksoftirqd/309:11:443
225759983,1cyclictest141rcu_preempt11:21:323
225759982,4cyclictest9072-21ssh10:25:533
225759982,4cyclictest7777-21ssh09:45:403
225759982,4cyclictest34-21ksoftirqd/311:56:233
225759982,4cyclictest34-21ksoftirqd/310:55:163
225759982,4cyclictest34-21ksoftirqd/310:45:033
225759982,4cyclictest34-21ksoftirqd/310:21:573
225759982,4cyclictest34-21ksoftirqd/309:23:083
225759982,4cyclictest34-21ksoftirqd/309:15:123
225759982,4cyclictest34-21ksoftirqd/308:20:123
225759982,4cyclictest31682-21ssh12:38:033
225759982,4cyclictest21353-21ssh12:31:223
225759982,4cyclictest20274-21ssh11:51:213
225759982,4cyclictest18875-21ssh10:32:063
225759982,4cyclictest18800-21ssh09:33:043
225759982,4cyclictest14648-21ssh11:28:413
225759982,4cyclictest13748-21ssh12:26:503
225759982,4cyclictest0-21swapper/307:40:183
225759982,3cyclictest0-21swapper/312:09:523
225759982,2cyclictest34-21ksoftirqd/310:05:163
225759981,5cyclictest34-21ksoftirqd/312:00:153
225759981,5cyclictest34-21ksoftirqd/311:36:583
225759981,5cyclictest34-21ksoftirqd/310:53:483
225759981,5cyclictest34-21ksoftirqd/308:30:143
225759981,5cyclictest34-21ksoftirqd/308:08:393
225759981,4cyclictest34-21ksoftirqd/312:13:513
225759981,4cyclictest34-21ksoftirqd/310:41:413
225759981,4cyclictest34-21ksoftirqd/310:17:023
225759981,2cyclictest341ksoftirqd/309:40:103
225759980,2cyclictest23544-21uniq10:35:123
225719982,4cyclictest24752-21latency_hist07:15:022
225669987,1cyclictest22-21ksoftirqd/108:15:011
225669987,1cyclictest22-21ksoftirqd/107:15:011
225669987,1cyclictest211rcuc/107:55:171
225669986,2cyclictest22-21ksoftirqd/112:15:001
225669983,3cyclictest1096-21ssh09:41:451
225669983,1cyclictest141rcu_preempt10:25:511
225669982,4cyclictest24839-21kworker/1:011:58:381
225669982,4cyclictest22-21ksoftirqd/112:20:271
225669982,4cyclictest22-21ksoftirqd/112:06:011
225669982,4cyclictest22-21ksoftirqd/111:35:061
225669982,4cyclictest22-21ksoftirqd/110:40:071
225669982,4cyclictest22-21ksoftirqd/107:10:141
225669982,4cyclictest12757-21diskmemload10:17:451
225669982,4cyclictest0-21swapper/112:03:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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