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2026-09-23 - 04:13
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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 50 highest latencies:
System rackdslot3.osadl.org (updated Wed Sep 23, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
103672226159,23sleep00-21swapper/019:05:450
139491214147,22phc2sys0-21swapper/319:09:483
103462202168,22sleep10-21swapper/119:05:311
105392199167,21sleep20-21swapper/219:07:522
537721730,6sleep31099799cyclictest20:05:173
1264221640,6sleep21099699cyclictest21:25:282
10997997035,3cyclictest41-21ksoftirqd/320:20:003
10997996629,8cyclictest41-21ksoftirqd/320:40:013
10997996327,11cyclictest41-21ksoftirqd/322:30:003
1099599630,25cyclictest6748-21grep00:35:261
267232620,3sleep30-21swapper/300:10:243
10997996226,4cyclictest41-21ksoftirqd/323:30:003
277462610,4sleep11099599cyclictest23:05:241
10997996129,8cyclictest41-21ksoftirqd/319:20:003
10997996129,4cyclictest41-21ksoftirqd/323:05:213
10997996126,10cyclictest41-21ksoftirqd/323:50:253
10997996124,9cyclictest41-21ksoftirqd/323:30:173
10997996123,8cyclictest41-21ksoftirqd/322:05:253
1099499614,18cyclictest8918-21date22:25:270
10997996026,7cyclictest41-21ksoftirqd/320:05:013
10997995929,8cyclictest41-21ksoftirqd/322:00:273
10997995929,7cyclictest41-21ksoftirqd/300:05:223
10997995929,4cyclictest41-21ksoftirqd/321:00:193
10997995927,7cyclictest41-21ksoftirqd/320:25:253
10997995927,4cyclictest41-21ksoftirqd/322:50:153
10997995926,8cyclictest41-21ksoftirqd/320:35:013
10997995926,8cyclictest41-21ksoftirqd/319:30:173
10997995925,4cyclictest41-21ksoftirqd/319:45:003
10997995829,7cyclictest41-21ksoftirqd/321:30:153
10997995828,7cyclictest41-21ksoftirqd/300:15:133
10997995828,7cyclictest41-21ksoftirqd/300:00:003
10997995827,9cyclictest41-21ksoftirqd/320:40:183
10997995826,8cyclictest41-21ksoftirqd/320:20:143
10997995826,7cyclictest41-21ksoftirqd/323:10:243
10997995826,7cyclictest41-21ksoftirqd/300:30:153
10997995825,8cyclictest41-21ksoftirqd/321:25:013
10997995824,8cyclictest41-21ksoftirqd/319:35:263
10997995824,7cyclictest41-21ksoftirqd/322:15:133
10997995823,7cyclictest41-21ksoftirqd/322:35:243
10997995823,4cyclictest41-21ksoftirqd/322:30:033
293612570,1sleep10-21swapper/122:00:291
10997995731,8cyclictest41-21ksoftirqd/321:40:203
10997995728,8cyclictest41-21ksoftirqd/321:05:283
10997995728,10cyclictest41-21ksoftirqd/323:20:013
10997995727,9cyclictest41-21ksoftirqd/322:45:153
10997995724,9cyclictest41-21ksoftirqd/323:00:013
10997995724,8cyclictest41-21ksoftirqd/320:45:293
10997995724,7cyclictest41-21ksoftirqd/319:10:153
10997995723,9cyclictest41-21ksoftirqd/322:20:293
10997995722,8cyclictest41-21ksoftirqd/300:25:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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