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2026-08-06 - 01:45
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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
Characteristics of the 100 highest latencies:
System rackdslot3.osadl.org (updated Wed Aug 05, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491233168,23phc2sys0-21swapper/307:05:243
87792212145,22sleep00-21swapper/007:06:080
88352204171,22sleep10-21swapper/107:06:521
87212202168,22sleep20-21swapper/207:05:222
9372997039,2cyclictest41-21ksoftirqd/312:40:003
9372996933,7cyclictest41-21ksoftirqd/311:19:353
9372996933,5cyclictest41-21ksoftirqd/311:20:033
9372996736,7cyclictest41-21ksoftirqd/311:55:003
9372996528,7cyclictest41-21ksoftirqd/311:57:393
9372996337,3cyclictest41-21ksoftirqd/312:07:283
89462630,5sleep1616-21gdbus11:19:421
9372996029,4cyclictest41-21ksoftirqd/311:30:013
9372996028,7cyclictest41-21ksoftirqd/310:50:013
9372995929,4cyclictest41-21ksoftirqd/308:19:593
9372995928,4cyclictest41-21ksoftirqd/309:05:013
936999598,7cyclictest9-21ksoftirqd/011:57:400
9372995830,7cyclictest41-21ksoftirqd/311:15:013
9372995829,7cyclictest41-21ksoftirqd/311:45:223
9372995829,7cyclictest41-21ksoftirqd/311:30:243
9372995829,7cyclictest41-21ksoftirqd/310:35:303
9372995825,8cyclictest41-21ksoftirqd/308:29:593
9372995823,7cyclictest41-21ksoftirqd/308:05:003
134491580,6getstats937299cyclictest09:05:163
9372995728,6cyclictest41-21ksoftirqd/309:55:013
9372995727,7cyclictest41-21ksoftirqd/310:30:213
9372995727,7cyclictest41-21ksoftirqd/310:30:213
9372995724,7cyclictest41-21ksoftirqd/309:40:013
9372995723,7cyclictest41-21ksoftirqd/309:30:003
9372995721,8cyclictest41-21ksoftirqd/312:15:163
9372995626,7cyclictest41-21ksoftirqd/311:40:233
9372995626,6cyclictest41-21ksoftirqd/310:25:183
9372995626,3cyclictest41-21ksoftirqd/312:25:143
9372995623,4cyclictest41-21ksoftirqd/309:15:533
9369995627,4cyclictest9-21ksoftirqd/011:35:190
9372995528,7cyclictest41-21ksoftirqd/308:55:013
9372995525,3cyclictest41-21ksoftirqd/310:19:593
9372995522,4cyclictest41-21ksoftirqd/311:00:013
9372995520,3cyclictest41-21ksoftirqd/312:10:183
937099550,3cyclictest9885-21sshd11:20:051
9372995424,3cyclictest41-21ksoftirqd/307:29:313
9372995424,3cyclictest41-21ksoftirqd/307:29:313
9372995423,4cyclictest41-21ksoftirqd/310:10:183
9372995422,4cyclictest41-21ksoftirqd/310:00:013
9372995417,8cyclictest41-21ksoftirqd/311:35:123
9372995333,3cyclictest41-21ksoftirqd/310:40:283
9372995326,4cyclictest41-21ksoftirqd/312:03:093
9372995325,4cyclictest41-21ksoftirqd/307:13:103
9372995323,7cyclictest41-21ksoftirqd/309:45:013
9372995323,3cyclictest41-21ksoftirqd/307:38:373
9372995321,3cyclictest41-21ksoftirqd/307:55:013
9372995317,8cyclictest41-21ksoftirqd/311:05:283
9372995317,8cyclictest41-21ksoftirqd/311:05:283
936999533,3cyclictest9-21ksoftirqd/010:40:000
936999532,5cyclictest9-21ksoftirqd/011:20:040
9372995220,5cyclictest41-21ksoftirqd/312:20:263
9372995218,4cyclictest41-21ksoftirqd/307:15:023
9372995215,4cyclictest41-21ksoftirqd/312:30:253
9372995211,9cyclictest41-21ksoftirqd/308:13:563
9372995118,6cyclictest41-21ksoftirqd/310:50:263
9372995116,7cyclictest41-21ksoftirqd/310:05:013
9372995116,7cyclictest41-21ksoftirqd/310:05:013
936999515,9cyclictest9-21ksoftirqd/011:19:540
9372995020,3cyclictest41-21ksoftirqd/308:09:183
9372994921,4cyclictest41-21ksoftirqd/307:55:153
9372994921,4cyclictest41-21ksoftirqd/307:55:153
9372994916,8cyclictest41-21ksoftirqd/310:20:163
9372994913,4cyclictest41-21ksoftirqd/310:05:183
937299483,2cyclictest121rcu_preempt09:35:003
9372994824,7cyclictest41-21ksoftirqd/311:00:153
9372994716,7cyclictest41-21ksoftirqd/307:40:013
9371994741,4cyclictest17029-21turbostat.cron08:10:012
9370994641,3cyclictest25-21ksoftirqd/112:35:001
937099461,9cyclictest593-21gdbus11:57:411
936999465,3cyclictest9-21ksoftirqd/011:45:190
9369994638,5cyclictest24614-21cron09:10:000
937299453,6cyclictest41-21ksoftirqd/309:00:013
937299453,3cyclictest41-21ksoftirqd/309:46:443
9372994510,10cyclictest41-21ksoftirqd/307:46:453
936999451,5cyclictest9-21ksoftirqd/008:40:010
937299445,2cyclictest41-21ksoftirqd/307:23:473
937299442,3cyclictest41-21ksoftirqd/308:44:263
9372994411,8cyclictest41-21ksoftirqd/307:35:013
937299421,7cyclictest41-21ksoftirqd/308:35:013
937299421,5cyclictest41-21ksoftirqd/308:40:013
937299419,4cyclictest41-21ksoftirqd/308:20:223
937299413,3cyclictest41-21ksoftirqd/309:12:483
9372994112,5cyclictest41-21ksoftirqd/309:21:003
936999413,3cyclictest9-21ksoftirqd/012:07:280
9370994035,3cyclictest25-21ksoftirqd/109:30:001
9370994035,3cyclictest25-21ksoftirqd/108:05:011
9370994035,3cyclictest25-21ksoftirqd/107:50:001
9370994034,4cyclictest24007-21sh09:05:011
9372993927,4cyclictest41-21ksoftirqd/308:49:363
9370993934,3cyclictest25-21ksoftirqd/112:25:011
9370993932,5cyclictest25-21ksoftirqd/111:38:031
9369993934,3cyclictest9-21ksoftirqd/011:45:000
9369993934,3cyclictest9-21ksoftirqd/010:30:010
9370993833,3cyclictest25-21ksoftirqd/112:20:011
9370993833,3cyclictest25-21ksoftirqd/111:00:001
9370993833,3cyclictest25-21ksoftirqd/110:55:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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