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2026-11-07 - 06:28
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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 rackdslot2.osadl.org (updated Sat Nov 07, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
88452226163,52sleep30-21swapper/319:07:553
86792206172,22sleep20-21swapper/219:05:452
88582205171,22sleep10-21swapper/119:08:061
89922203169,22sleep00-21swapper/019:09:490
790621800,2sleep1930099cyclictest21:20:201
90082149124,14sleep00-21swapper/019:10:010
437421480,5sleep1930099cyclictest20:05:221
1395918863,16phc2sys0-21swapper/319:10:013
114502630,2sleep30-21swapper/321:30:013
306922620,7sleep3930299cyclictest19:55:003
56672550,3sleep3401ktimersoftd/322:25:123
139291530,1ptp4l401ktimersoftd/319:18:043
139291530,1ptp4l401ktimersoftd/300:30:183
213082520,2sleep20-21swapper/222:55:242
930299481,44cyclictest26995-21wc23:10:013
9301994841,4cyclictest31793-21cron21:05:012
9302994432,10cyclictest41-21ksoftirqd/323:25:263
9301994332,9cyclictest33-21ksoftirqd/221:40:262
9302994237,3cyclictest41-21ksoftirqd/320:05:003
139291420,1ptp4l401ktimersoftd/300:06:353
9302994135,3cyclictest41-21ksoftirqd/323:45:003
139291410,0ptp4l401ktimersoftd/320:42:513
9302994035,3cyclictest41-21ksoftirqd/321:55:003
9302994035,3cyclictest41-21ksoftirqd/300:30:003
9302994033,4cyclictest41-21ksoftirqd/323:05:003
9302994033,4cyclictest41-21ksoftirqd/323:05:003
139291400,1ptp4l401ktimersoftd/320:17:413
9302993934,3cyclictest41-21ksoftirqd/323:00:013
9302993933,4cyclictest41-21ksoftirqd/322:38:483
9302993932,4cyclictest41-21ksoftirqd/321:05:133
9302993932,4cyclictest41-21ksoftirqd/300:15:003
9301993934,3cyclictest33-21ksoftirqd/219:55:012
135191390,2getstats0-21swapper/320:13:413
9302993833,3cyclictest41-21ksoftirqd/323:10:253
9302993833,3cyclictest41-21ksoftirqd/321:55:183
9302993832,4cyclictest41-21ksoftirqd/323:20:203
9302993832,4cyclictest41-21ksoftirqd/322:32:183
9302993832,3cyclictest41-21ksoftirqd/323:20:003
9301993832,4cyclictest33-21ksoftirqd/223:46:592
9302993734,2cyclictest41-21ksoftirqd/321:20:193
9302993732,3cyclictest41-21ksoftirqd/323:35:143
9302993732,3cyclictest41-21ksoftirqd/321:30:193
9302993731,4cyclictest41-21ksoftirqd/319:43:083
9302993731,3cyclictest41-21ksoftirqd/320:30:283
9302993731,3cyclictest41-21ksoftirqd/319:35:353
9302993731,3cyclictest41-21ksoftirqd/300:00:253
9302993730,4cyclictest41-21ksoftirqd/322:10:003
930299370,3cyclictest285592cat00:20:013
9301993731,4cyclictest33-21ksoftirqd/223:42:112
9301993731,4cyclictest33-21ksoftirqd/223:18:022
9301993731,4cyclictest33-21ksoftirqd/220:41:172
9301993731,4cyclictest33-21ksoftirqd/219:36:062
9301993731,4cyclictest33-21ksoftirqd/200:19:462
9301993730,4cyclictest33-21ksoftirqd/222:19:332
9301993725,10cyclictest33-21ksoftirqd/221:25:272
9299993732,3cyclictest638-21sh20:00:010
9299993732,3cyclictest29558-21cron23:15:000
9299993730,4cyclictest9-21ksoftirqd/023:33:100
9302993632,2cyclictest41-21ksoftirqd/323:35:003
9302993631,3cyclictest41-21ksoftirqd/322:40:183
9302993631,2cyclictest41-21ksoftirqd/320:10:003
9302993630,4cyclictest41-21ksoftirqd/320:38:173
9302993630,4cyclictest41-21ksoftirqd/319:31:223
9302993630,3cyclictest41-21ksoftirqd/322:00:113
9302993630,3cyclictest41-21ksoftirqd/321:15:143
9302993630,3cyclictest41-21ksoftirqd/319:30:003
930299362,3cyclictest121rcu_preempt20:00:013
9301993631,3cyclictest33-21ksoftirqd/222:40:012
9301993631,3cyclictest33-21ksoftirqd/220:20:182
9301993630,4cyclictest33-21ksoftirqd/222:43:172
9301993630,4cyclictest33-21ksoftirqd/222:02:562
9301993630,4cyclictest33-21ksoftirqd/220:55:342
9301993630,4cyclictest33-21ksoftirqd/220:33:272
9301993630,4cyclictest33-21ksoftirqd/219:49:502
9301993630,4cyclictest33-21ksoftirqd/219:44:312
9301993629,5cyclictest33-21ksoftirqd/222:09:572
9300993632,2cyclictest25-21ksoftirqd/123:00:011
9300993630,4cyclictest25-21ksoftirqd/123:37:431
9300993630,4cyclictest25-21ksoftirqd/123:04:101
9300993630,4cyclictest25-21ksoftirqd/123:04:091
9300993630,4cyclictest25-21ksoftirqd/119:33:121
9300993630,4cyclictest25-21ksoftirqd/119:29:031
9300993630,3cyclictest25-21ksoftirqd/121:15:021
9300993629,4cyclictest25-21ksoftirqd/123:10:001
9300993629,4cyclictest25-21ksoftirqd/119:54:421
9299993630,4cyclictest9-21ksoftirqd/019:49:280
9299993630,4cyclictest9-21ksoftirqd/019:32:350
9299993629,4cyclictest9-21ksoftirqd/021:48:190
9299993629,4cyclictest9-21ksoftirqd/020:38:220
139291360,1ptp4l391rcuc/320:20:173
9302993531,3cyclictest41-21ksoftirqd/322:15:183
9302993531,2cyclictest41-21ksoftirqd/322:25:003
9302993531,2cyclictest41-21ksoftirqd/322:25:003
9302993530,3cyclictest41-21ksoftirqd/322:49:583
9302993530,3cyclictest41-21ksoftirqd/320:49:593
9302993530,2cyclictest41-21ksoftirqd/319:25:003
9302993529,4cyclictest41-21ksoftirqd/323:59:293
9302993529,4cyclictest41-21ksoftirqd/322:10:493
9302993529,4cyclictest41-21ksoftirqd/321:45:403
9302993529,3cyclictest41-21ksoftirqd/323:45:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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