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2026-03-10 - 15:00
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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 Tue Mar 10, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491222155,22phc2sys0-21swapper/319:06:353
301492203170,22sleep20-21swapper/219:06:532
302672202169,22sleep10-21swapper/119:08:251
301992200167,22sleep00-21swapper/019:07:320
265072700,2sleep10-21swapper/100:35:261
3068399664,60cyclictest25416-21kworker/2:023:50:332
3068399652,60cyclictest14503-21kworker/2:223:10:332
30684996130,3cyclictest41-21ksoftirqd/319:35:183
30684996128,9cyclictest41-21ksoftirqd/300:10:263
30684995929,4cyclictest41-21ksoftirqd/319:30:183
30684995927,3cyclictest41-21ksoftirqd/320:54:593
30684995924,4cyclictest41-21ksoftirqd/322:10:223
30684995831,6cyclictest41-21ksoftirqd/322:30:003
30684995831,4cyclictest41-21ksoftirqd/300:35:193
30684995829,3cyclictest41-21ksoftirqd/321:55:143
30684995829,3cyclictest41-21ksoftirqd/320:45:013
30684995828,8cyclictest41-21ksoftirqd/321:15:173
30684995826,4cyclictest41-21ksoftirqd/319:54:593
30684995825,7cyclictest41-21ksoftirqd/320:05:193
30684995729,8cyclictest41-21ksoftirqd/320:20:273
30684995727,4cyclictest41-21ksoftirqd/300:20:183
30684995726,8cyclictest41-21ksoftirqd/322:55:203
30684995725,7cyclictest41-21ksoftirqd/320:30:163
30684995725,4cyclictest41-21ksoftirqd/319:30:003
30684995723,4cyclictest41-21ksoftirqd/321:50:163
30684995631,7cyclictest41-21ksoftirqd/320:40:013
30684995628,3cyclictest41-21ksoftirqd/300:05:153
30684995625,8cyclictest41-21ksoftirqd/321:05:203
30684995622,3cyclictest41-21ksoftirqd/322:00:183
30684995524,10cyclictest41-21ksoftirqd/321:15:013
30684995521,7cyclictest41-21ksoftirqd/323:05:153
30684995520,4cyclictest41-21ksoftirqd/319:55:153
30684995518,4cyclictest41-21ksoftirqd/322:55:013
30684995424,8cyclictest41-21ksoftirqd/323:00:183
30684995424,4cyclictest41-21ksoftirqd/322:45:203
30684995423,4cyclictest41-21ksoftirqd/321:30:223
30684995422,8cyclictest41-21ksoftirqd/322:40:143
30684995420,4cyclictest41-21ksoftirqd/323:45:143
30684995326,6cyclictest41-21ksoftirqd/322:25:003
30684995324,8cyclictest41-21ksoftirqd/322:35:003
30684995323,9cyclictest41-21ksoftirqd/323:29:593
30684995323,9cyclictest41-21ksoftirqd/321:00:163
30684995320,4cyclictest41-21ksoftirqd/321:20:123
30684995319,7cyclictest41-21ksoftirqd/319:40:253
30684995319,6cyclictest41-21ksoftirqd/319:15:133
30684995319,4cyclictest41-21ksoftirqd/322:15:253
30684995316,4cyclictest41-21ksoftirqd/300:29:333
30684995315,6cyclictest41-21ksoftirqd/321:35:153
30684995225,6cyclictest41-21ksoftirqd/320:45:193
30684995222,9cyclictest41-21ksoftirqd/319:10:163
30684995222,11cyclictest41-21ksoftirqd/323:25:003
30684995218,8cyclictest41-21ksoftirqd/323:50:193
30684995215,4cyclictest41-21ksoftirqd/322:39:013
30684995213,5cyclictest41-21ksoftirqd/320:10:133
30684995123,8cyclictest41-21ksoftirqd/320:59:593
30684995121,10cyclictest41-21ksoftirqd/321:40:153
30684995117,4cyclictest41-21ksoftirqd/300:30:203
225112510,1sleep20-21swapper/221:05:232
35102500,2sleep30-21swapper/319:20:143
30684995026,7cyclictest41-21ksoftirqd/323:35:203
30684995015,9cyclictest41-21ksoftirqd/323:10:163
30684994925,6cyclictest41-21ksoftirqd/323:55:153
30684994819,7cyclictest41-21ksoftirqd/323:30:253
30684994817,4cyclictest41-21ksoftirqd/323:15:133
30684994817,4cyclictest41-21ksoftirqd/300:15:183
30681994841,4cyclictest24620-21cron22:20:000
30684994718,4cyclictest41-21ksoftirqd/322:05:243
30684994715,4cyclictest41-21ksoftirqd/319:45:133
30684994714,7cyclictest41-21ksoftirqd/320:15:173
30684994710,7cyclictest41-21ksoftirqd/300:00:193
3068499467,7cyclictest41-21ksoftirqd/320:25:233
30684994512,8cyclictest41-21ksoftirqd/320:01:153
3068499450,2cyclictest0-21swapper/323:40:163
30683994516,27cyclictest0-21swapper/223:05:232
30684994431,4cyclictest41-21ksoftirqd/321:25:223
3068499434,5cyclictest41-21ksoftirqd/321:45:203
3068399420,40cyclictest0-21swapper/200:05:232
30683994023,15cyclictest33-21ksoftirqd/219:58:442
30681994035,3cyclictest16234-21cron23:10:000
3038924031,3sleep00-21swapper/019:10:010
30683993831,5cyclictest33-21ksoftirqd/200:22:232
30682993832,3cyclictest25-21ksoftirqd/121:30:001
3068399370,36cyclictest0-21swapper/200:39:032
30682993732,3cyclictest25-21ksoftirqd/121:35:011
30682993631,3cyclictest25-21ksoftirqd/122:20:011
30682993630,4cyclictest25-21ksoftirqd/121:42:321
30682993630,4cyclictest25-21ksoftirqd/120:27:471
30682993630,4cyclictest25-21ksoftirqd/120:17:241
30681993629,4cyclictest9-21ksoftirqd/000:35:120
30683993529,4cyclictest33-21ksoftirqd/221:46:592
30683993529,4cyclictest33-21ksoftirqd/219:45:522
30683993529,3cyclictest33-21ksoftirqd/221:20:112
3068399351,9cyclictest11814-21taskset20:45:132
3068399351,33cyclictest20982-21kworker/2:222:22:532
3068399350,33cyclictest31903-21kworker/2:019:26:042
30682993530,3cyclictest25-21ksoftirqd/119:36:251
30682993529,4cyclictest25-21ksoftirqd/123:24:421
30682993529,4cyclictest25-21ksoftirqd/123:01:441
30682993529,4cyclictest25-21ksoftirqd/122:28:531
30682993529,4cyclictest25-21ksoftirqd/119:59:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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