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2026-07-08 - 10:04
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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 Jul 08, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50452208173,23sleep30-21swapper/319:06:003
52352204171,22sleep20-21swapper/219:08:292
52042203170,21sleep10-21swapper/119:08:031
50422201168,22sleep00-21swapper/019:05:580
2527921680,1sleep10-21swapper/122:05:141
5650996327,6cyclictest41-21ksoftirqd/322:00:173
5650996326,7cyclictest41-21ksoftirqd/319:24:593
5650996126,4cyclictest41-21ksoftirqd/323:50:193
5650996123,7cyclictest41-21ksoftirqd/321:45:243
5650996027,4cyclictest41-21ksoftirqd/321:55:013
5650996027,4cyclictest41-21ksoftirqd/321:05:263
5650996026,4cyclictest41-21ksoftirqd/323:05:253
5650996025,7cyclictest41-21ksoftirqd/323:25:143
5650996025,5cyclictest41-21ksoftirqd/323:00:153
5650995926,4cyclictest41-21ksoftirqd/323:55:193
5650995926,4cyclictest41-21ksoftirqd/320:55:383
5650995828,7cyclictest41-21ksoftirqd/321:55:223
5650995826,8cyclictest41-21ksoftirqd/322:35:133
5650995826,8cyclictest41-21ksoftirqd/300:35:173
5650995824,4cyclictest41-21ksoftirqd/320:40:193
5650995823,4cyclictest41-21ksoftirqd/300:20:193
5650995822,4cyclictest41-21ksoftirqd/319:25:243
5650995821,11cyclictest41-21ksoftirqd/320:45:253
202752580,4sleep220278-21cpuspeed_turbos19:40:122
5650995725,3cyclictest41-21ksoftirqd/322:50:153
5650995725,10cyclictest41-21ksoftirqd/323:35:163
5650995722,3cyclictest41-21ksoftirqd/300:12:143
5650995720,7cyclictest41-21ksoftirqd/322:20:173
5650995628,8cyclictest41-21ksoftirqd/321:20:223
5650995621,7cyclictest41-21ksoftirqd/320:15:173
5650995523,7cyclictest41-21ksoftirqd/319:15:173
5650995522,4cyclictest41-21ksoftirqd/323:30:113
5650995422,4cyclictest41-21ksoftirqd/320:20:323
5650995422,10cyclictest41-21ksoftirqd/300:00:173
5650995420,4cyclictest41-21ksoftirqd/320:00:123
5650995323,4cyclictest41-21ksoftirqd/300:05:233
5650995322,9cyclictest41-21ksoftirqd/322:48:393
565099526,10cyclictest41-21ksoftirqd/321:30:223
565099524,9cyclictest41-21ksoftirqd/321:15:163
565099524,9cyclictest41-21ksoftirqd/320:05:153
565099524,9cyclictest41-21ksoftirqd/320:05:153
565099522,8cyclictest41-21ksoftirqd/321:35:163
565099522,5cyclictest0-21swapper/322:15:003
5650995222,4cyclictest41-21ksoftirqd/323:10:173
565099514,9cyclictest41-21ksoftirqd/319:10:253
5650995119,4cyclictest41-21ksoftirqd/300:30:233
565099510,11cyclictest41-21ksoftirqd/320:15:003
565099505,8cyclictest41-21ksoftirqd/320:35:203
565099505,8cyclictest41-21ksoftirqd/320:35:203
565099503,7cyclictest41-21ksoftirqd/320:55:013
565099495,10cyclictest41-21ksoftirqd/321:40:203
565099494,8cyclictest41-21ksoftirqd/319:50:173
565099492,8cyclictest41-21ksoftirqd/319:56:333
565099490,7cyclictest41-21ksoftirqd/321:10:253
5648994944,2cyclictest25-21ksoftirqd/122:20:001
565099484,9cyclictest41-21ksoftirqd/321:00:123
565099484,9cyclictest41-21ksoftirqd/319:35:013
5650994822,9cyclictest41-21ksoftirqd/322:55:293
565099476,3cyclictest23148-21fschecks_count19:45:173
565099475,8cyclictest41-21ksoftirqd/322:40:163
565099475,10cyclictest41-21ksoftirqd/320:30:213
565099474,7cyclictest28822-21cstates23:20:123
565099473,8cyclictest41-21ksoftirqd/320:25:133
5650994719,6cyclictest41-21ksoftirqd/322:30:213
565099471,6cyclictest41-21ksoftirqd/322:15:203
565099464,7cyclictest41-21ksoftirqd/319:45:003
565099464,7cyclictest41-21ksoftirqd/319:35:403
565099464,7cyclictest41-21ksoftirqd/319:35:393
565099463,6cyclictest41-21ksoftirqd/300:25:193
565099462,6cyclictest41-21ksoftirqd/323:40:183
565099462,6cyclictest41-21ksoftirqd/322:25:273
565099456,3cyclictest41-21ksoftirqd/322:05:133
565099453,9cyclictest41-21ksoftirqd/323:45:243
565099450,6cyclictest41-21ksoftirqd/300:15:193
5650994415,3cyclictest41-21ksoftirqd/321:25:143
565099422,6cyclictest41-21ksoftirqd/323:15:183
565099422,6cyclictest41-21ksoftirqd/323:15:173
5648994036,2cyclictest16228-21sh22:55:001
5648994035,3cyclictest25-21ksoftirqd/122:40:001
5647994032,5cyclictest26693-21grep21:00:180
5649993932,4cyclictest27207-21cron19:55:002
5648993934,3cyclictest32077-21basename00:35:001
5648993934,3cyclictest25-21ksoftirqd/120:40:001
5648993934,3cyclictest25-21ksoftirqd/120:40:001
5648993933,3cyclictest25-21ksoftirqd/119:45:001
5648993833,2cyclictest25-21ksoftirqd/121:40:001
5648993832,3cyclictest25-21ksoftirqd/121:15:011
5648993831,4cyclictest25-21ksoftirqd/122:44:051
5648993831,4cyclictest25-21ksoftirqd/120:46:591
5648993731,3cyclictest25-21ksoftirqd/123:20:001
5648993731,3cyclictest25-21ksoftirqd/123:19:591
5648993730,4cyclictest25-21ksoftirqd/119:20:231
57898360,1rtkit-daemon0-21swapper/123:53:461
5649993630,4cyclictest33-21ksoftirqd/222:49:392
5649993630,4cyclictest33-21ksoftirqd/221:52:392
5649993629,4cyclictest33-21ksoftirqd/220:11:582
5649993628,6cyclictest33-21ksoftirqd/223:54:132
5648993632,2cyclictest25-21ksoftirqd/123:00:011
5648993631,3cyclictest25-21ksoftirqd/100:12:181
5648993631,2cyclictest25-21ksoftirqd/100:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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