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2026-05-24 - 21:34
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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 Sun May 24, 2026 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491206172,22phc2sys0-21swapper/307:09:283
79922203171,21sleep20-21swapper/207:07:402
78362203170,22sleep00-21swapper/007:05:370
78262202169,22sleep10-21swapper/107:05:301
1834421440,7sleep3847399cyclictest10:50:223
211222570,2sleep10-21swapper/112:05:171
139391560,1ptp4l401ktimersoftd/312:18:513
78692540,1sleep00-21swapper/008:15:170
225072530,2sleep10-21swapper/111:00:171
253152510,2sleep00-21swapper/008:50:240
276632500,4sleep027666-21cpuspeed_turbos07:50:140
139391500,1ptp4l401ktimersoftd/307:25:263
817924734,7sleep10-21swapper/107:10:021
847199451,40cyclictest2366-21cron10:20:001
8473994411,4cyclictest41-21ksoftirqd/308:00:003
847399438,8cyclictest41-21ksoftirqd/307:35:003
847399427,8cyclictest41-21ksoftirqd/308:55:223
8470994236,3cyclictest11841-21cron08:24:590
139391420,0ptp4l401ktimersoftd/308:44:223
139391420,0ptp4l401ktimersoftd/308:24:323
847399404,3cyclictest41-21ksoftirqd/309:30:183
847399404,3cyclictest41-21ksoftirqd/309:30:183
8473994036,2cyclictest41-21ksoftirqd/311:45:003
139391400,0ptp4l401ktimersoftd/308:30:213
847399399,4cyclictest41-21ksoftirqd/307:35:213
847399397,8cyclictest41-21ksoftirqd/312:35:223
847399396,6cyclictest41-21ksoftirqd/309:25:273
8473993934,3cyclictest41-21ksoftirqd/310:30:113
847399393,2cyclictest121rcu_preempt10:40:153
847399392,3cyclictest121rcu_preempt09:45:143
847399391,6cyclictest41-21ksoftirqd/311:49:593
8470993933,3cyclictest9-21ksoftirqd/009:15:000
847399389,6cyclictest41-21ksoftirqd/310:20:163
847399389,3cyclictest41-21ksoftirqd/312:10:153
847399388,7cyclictest41-21ksoftirqd/308:35:193
847399388,3cyclictest41-21ksoftirqd/308:00:133
847399385,8cyclictest41-21ksoftirqd/312:00:143
847399384,3cyclictest121rcu_preempt11:10:173
8473993832,3cyclictest41-21ksoftirqd/308:15:193
8471993833,3cyclictest25-21ksoftirqd/108:44:431
847199381,35cyclictest29752-21cron12:25:001
139391380,1ptp4l401ktimersoftd/312:08:283
8473993732,2cyclictest41-21ksoftirqd/310:10:173
8473993731,3cyclictest41-21ksoftirqd/311:35:003
8473993731,3cyclictest41-21ksoftirqd/307:50:203
847399372,7cyclictest41-21ksoftirqd/310:35:193
8471993731,3cyclictest25-21ksoftirqd/111:17:001
8470993733,3cyclictest9-21ksoftirqd/009:45:000
8470993732,3cyclictest9-21ksoftirqd/011:15:000
8470993731,3cyclictest9-21ksoftirqd/010:00:000
847399368,3cyclictest41-21ksoftirqd/308:25:203
847399367,7cyclictest41-21ksoftirqd/309:55:243
847399367,3cyclictest41-21ksoftirqd/309:50:253
847399366,7cyclictest41-21ksoftirqd/311:30:003
847399366,6cyclictest41-21ksoftirqd/310:00:133
847399365,3cyclictest41-21ksoftirqd/307:15:133
847399365,2cyclictest121rcu_preempt10:45:133
847399364,4cyclictest41-21ksoftirqd/312:20:163
847399363,3cyclictest121rcu_preempt11:40:013
8473993632,2cyclictest41-21ksoftirqd/308:50:213
8473993631,3cyclictest41-21ksoftirqd/310:30:003
8473993630,4cyclictest41-21ksoftirqd/310:08:453
8473993630,3cyclictest41-21ksoftirqd/312:35:003
8473993630,3cyclictest41-21ksoftirqd/312:35:003
847399361,8cyclictest41-21ksoftirqd/307:20:233
8472993631,3cyclictest33-21ksoftirqd/209:30:112
8472993631,3cyclictest33-21ksoftirqd/209:30:112
8472993630,4cyclictest33-21ksoftirqd/207:33:362
8471993631,3cyclictest25-21ksoftirqd/110:41:161
8471993630,4cyclictest25-21ksoftirqd/109:57:201
8471993630,4cyclictest25-21ksoftirqd/108:33:001
8471993630,4cyclictest25-21ksoftirqd/107:33:381
8470993631,3cyclictest9-21ksoftirqd/010:55:180
8470993631,3cyclictest9-21ksoftirqd/008:35:000
8470993631,3cyclictest27650-21cron10:05:000
8470993630,3cyclictest9-21ksoftirqd/007:35:010
8470993630,3cyclictest9-21ksoftirqd/007:19:590
57898360,2rtkit-daemon577-21rtkit-daemon12:18:321
139391360,0ptp4l401ktimersoftd/307:45:113
847399356,3cyclictest41-21ksoftirqd/309:10:193
847399354,4cyclictest41-21ksoftirqd/309:40:163
847399353,8cyclictest41-21ksoftirqd/309:35:153
847399353,8cyclictest41-21ksoftirqd/309:35:153
8473993531,3cyclictest41-21ksoftirqd/308:05:273
8473993531,2cyclictest41-21ksoftirqd/309:20:003
8473993531,2cyclictest2073-21sshd10:16:163
8473993530,3cyclictest41-21ksoftirqd/311:15:243
8473993530,3cyclictest41-21ksoftirqd/308:45:143
8473993529,3cyclictest41-21ksoftirqd/309:10:013
847399352,6cyclictest121rcu_preempt11:00:183
847399352,4cyclictest41-21ksoftirqd/311:20:183
847399352,3cyclictest41-21ksoftirqd/308:15:003
847399351,6cyclictest121rcu_preempt12:25:223
847399350,5cyclictest41-21ksoftirqd/307:40:143
847399350,4cyclictest41-21ksoftirqd/310:55:143
8472993530,3cyclictest33-21ksoftirqd/212:20:182
8472993529,4cyclictest33-21ksoftirqd/209:25:042
8472993528,5cyclictest33-21ksoftirqd/208:28:322
8471993530,3cyclictest25-21ksoftirqd/112:30:211
8471993530,3cyclictest25-21ksoftirqd/112:30:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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