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2025-04-02 - 06:34
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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 Wed Apr 02, 2025 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289302222157,53sleep00-21swapper/019:09:230
137191206172,23phc2sys0-21swapper/319:05:573
286892205172,22sleep10-21swapper/119:06:161
287422202169,22sleep20-21swapper/219:06:562
324382750,1sleep00-21swapper/020:30:150
29273996630,9cyclictest41-21ksoftirqd/323:50:003
29271996523,10cyclictest25-21ksoftirqd/119:55:291
29271996419,9cyclictest25-21ksoftirqd/123:10:171
29273996232,7cyclictest41-21ksoftirqd/321:40:013
29273996224,7cyclictest41-21ksoftirqd/322:50:013
29271996217,7cyclictest25-21ksoftirqd/123:30:171
29273996127,4cyclictest41-21ksoftirqd/320:00:013
29273996123,8cyclictest41-21ksoftirqd/321:55:003
29271996130,7cyclictest25-21ksoftirqd/119:50:331
29273996029,7cyclictest41-21ksoftirqd/322:35:213
29273996025,4cyclictest41-21ksoftirqd/323:35:283
29271996027,11cyclictest25-21ksoftirqd/100:10:151
29273995928,7cyclictest41-21ksoftirqd/320:40:003
29273995928,7cyclictest41-21ksoftirqd/319:55:013
29273995927,3cyclictest41-21ksoftirqd/300:10:143
29273995926,7cyclictest41-21ksoftirqd/319:40:273
29273995926,7cyclictest41-21ksoftirqd/319:40:273
29273995926,5cyclictest41-21ksoftirqd/319:20:003
29273995925,8cyclictest41-21ksoftirqd/300:35:303
29273995925,7cyclictest41-21ksoftirqd/320:35:013
29273995924,10cyclictest41-21ksoftirqd/322:40:153
29273995918,8cyclictest41-21ksoftirqd/320:55:243
29273995829,8cyclictest41-21ksoftirqd/323:50:213
29273995823,7cyclictest41-21ksoftirqd/321:40:173
29271995826,9cyclictest25-21ksoftirqd/120:30:101
29273995728,6cyclictest41-21ksoftirqd/322:15:003
29271995720,7cyclictest25-21ksoftirqd/120:39:161
29273995628,7cyclictest41-21ksoftirqd/322:10:003
29273995628,6cyclictest41-21ksoftirqd/320:30:013
29273995627,3cyclictest41-21ksoftirqd/319:13:213
29273995626,7cyclictest41-21ksoftirqd/320:50:323
29273995626,7cyclictest41-21ksoftirqd/300:30:143
29273995622,9cyclictest41-21ksoftirqd/323:20:263
29273995618,8cyclictest41-21ksoftirqd/300:20:173
29271995618,8cyclictest25-21ksoftirqd/120:55:231
29273995530,10cyclictest41-21ksoftirqd/323:55:213
29273995526,6cyclictest41-21ksoftirqd/322:30:003
29273995524,8cyclictest41-21ksoftirqd/319:39:593
29273995524,8cyclictest41-21ksoftirqd/319:39:593
29273995523,8cyclictest41-21ksoftirqd/320:00:283
29273995523,4cyclictest41-21ksoftirqd/322:55:163
29273995523,3cyclictest41-21ksoftirqd/319:35:013
29273995522,8cyclictest41-21ksoftirqd/300:15:153
29273995522,7cyclictest41-21ksoftirqd/323:15:253
29273995519,8cyclictest41-21ksoftirqd/323:40:223
29271995526,8cyclictest25-21ksoftirqd/120:10:231
29271995524,10cyclictest25-21ksoftirqd/119:45:131
29271995521,6cyclictest25-21ksoftirqd/121:15:141
29271995520,6cyclictest25-21ksoftirqd/123:04:021
29273995428,6cyclictest41-21ksoftirqd/321:05:183
29273995427,6cyclictest41-21ksoftirqd/323:10:003
29273995426,7cyclictest41-21ksoftirqd/320:10:183
29273995426,6cyclictest41-21ksoftirqd/322:55:013
29273995424,8cyclictest41-21ksoftirqd/320:15:213
29273995424,7cyclictest41-21ksoftirqd/322:30:113
29273995423,7cyclictest41-21ksoftirqd/320:10:013
29273995419,7cyclictest41-21ksoftirqd/323:00:163
29273995417,4cyclictest41-21ksoftirqd/320:45:163
29271995425,12cyclictest25-21ksoftirqd/121:44:481
29271995421,11cyclictest25-21ksoftirqd/121:10:171
29273995320,7cyclictest41-21ksoftirqd/319:45:193
29273995320,4cyclictest41-21ksoftirqd/319:25:273
29271995319,8cyclictest25-21ksoftirqd/119:15:241
29270995324,4cyclictest9-21ksoftirqd/020:15:170
29270995320,5cyclictest9-21ksoftirqd/021:05:250
29270995319,7cyclictest9-21ksoftirqd/019:25:140
2927399523,9cyclictest41-21ksoftirqd/322:00:003
29273995226,5cyclictest41-21ksoftirqd/320:40:253
29273995218,7cyclictest41-21ksoftirqd/321:15:183
29273995216,7cyclictest41-21ksoftirqd/300:00:193
29273995215,4cyclictest41-21ksoftirqd/322:00:013
29271995221,9cyclictest25-21ksoftirqd/123:10:001
29271995221,9cyclictest25-21ksoftirqd/120:45:221
29271995221,10cyclictest25-21ksoftirqd/121:05:161
29271995212,4cyclictest25-21ksoftirqd/120:28:211
29270995223,7cyclictest9-21ksoftirqd/023:40:110
29270995223,3cyclictest9-21ksoftirqd/019:45:140
29270995222,6cyclictest9-21ksoftirqd/021:35:140
29273995118,8cyclictest41-21ksoftirqd/323:30:193
29271995119,8cyclictest25-21ksoftirqd/122:50:201
29270995123,4cyclictest9-21ksoftirqd/023:00:000
29270995121,6cyclictest9-21ksoftirqd/022:30:210
29270995120,7cyclictest9-21ksoftirqd/019:50:280
29270995120,6cyclictest9-21ksoftirqd/022:50:090
29270995118,6cyclictest9-21ksoftirqd/022:30:000
2927399505,2cyclictest41-21ksoftirqd/321:20:233
29273995021,9cyclictest41-21ksoftirqd/321:00:223
29273995019,4cyclictest41-21ksoftirqd/321:10:163
29273995015,7cyclictest41-21ksoftirqd/319:20:213
29271995013,7cyclictest25-21ksoftirqd/122:19:141
29271995013,6cyclictest25-21ksoftirqd/122:00:081
29271995010,8cyclictest25-21ksoftirqd/121:49:051
29270995023,4cyclictest9-21ksoftirqd/000:10:000
29273994920,8cyclictest41-21ksoftirqd/323:10:143
29271994919,10cyclictest25-21ksoftirqd/122:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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