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2026-05-21 - 05:23
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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 Thu May 21, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491206173,22phc2sys0-21swapper/319:07:023
91762205171,22sleep20-21swapper/219:06:072
92382204171,22sleep10-21swapper/119:06:551
92372202169,22sleep00-21swapper/019:06:530
935621210,2sleep30-21swapper/322:30:193
1393911130,1ptp4l17112-21cpuspeed_turbos19:25:123
134372690,1sleep00-21swapper/020:25:120
9772996022,3cyclictest41-21ksoftirqd/322:00:213
9770996016,4cyclictest25-21ksoftirqd/120:40:251
9772995927,8cyclictest41-21ksoftirqd/320:30:003
9772995922,7cyclictest41-21ksoftirqd/300:00:013
9772995825,8cyclictest41-21ksoftirqd/323:05:163
9772995823,3cyclictest41-21ksoftirqd/322:40:003
9772995722,8cyclictest41-21ksoftirqd/320:25:003
9772995722,7cyclictest41-21ksoftirqd/300:05:223
9772995625,7cyclictest41-21ksoftirqd/321:20:013
9772995623,7cyclictest41-21ksoftirqd/323:35:133
9772995622,7cyclictest41-21ksoftirqd/322:50:203
9772995620,7cyclictest41-21ksoftirqd/321:09:303
9772995620,7cyclictest41-21ksoftirqd/319:10:133
73752560,2sleep20-21swapper/220:10:212
73752560,2sleep20-21swapper/220:10:212
9772995522,8cyclictest41-21ksoftirqd/321:20:273
9772995521,9cyclictest41-21ksoftirqd/300:15:173
9772995518,7cyclictest41-21ksoftirqd/319:22:023
99372540,4sleep00-21swapper/021:25:130
9772995427,9cyclictest41-21ksoftirqd/323:40:233
9772995424,8cyclictest41-21ksoftirqd/323:50:013
9772995421,9cyclictest41-21ksoftirqd/320:35:223
9772995421,4cyclictest41-21ksoftirqd/321:45:143
9772995419,4cyclictest41-21ksoftirqd/320:01:503
9772995326,7cyclictest41-21ksoftirqd/320:15:143
9772995326,7cyclictest41-21ksoftirqd/300:26:093
9772995325,7cyclictest41-21ksoftirqd/321:35:223
9772995320,7cyclictest41-21ksoftirqd/319:50:153
977099538,8cyclictest25-21ksoftirqd/123:45:191
977299526,5cyclictest41-21ksoftirqd/322:15:013
977299525,8cyclictest41-21ksoftirqd/322:42:583
977299524,7cyclictest41-21ksoftirqd/321:10:163
9772995223,8cyclictest41-21ksoftirqd/323:15:203
9772995223,8cyclictest41-21ksoftirqd/323:15:203
9772995222,4cyclictest41-21ksoftirqd/300:01:493
977099528,10cyclictest25-21ksoftirqd/100:35:001
947725236,7sleep20-21swapper/219:10:012
977299516,4cyclictest41-21ksoftirqd/322:45:123
977299515,10cyclictest41-21ksoftirqd/320:45:133
977299514,8cyclictest41-21ksoftirqd/323:30:153
977299513,4cyclictest41-21ksoftirqd/300:10:123
9769995119,4cyclictest9-21ksoftirqd/023:35:010
977299506,9cyclictest41-21ksoftirqd/322:55:173
977299506,10cyclictest41-21ksoftirqd/323:25:013
977299505,4cyclictest41-21ksoftirqd/321:40:193
977299505,4cyclictest41-21ksoftirqd/320:40:133
9772995022,7cyclictest41-21ksoftirqd/322:20:133
9772995017,10cyclictest41-21ksoftirqd/322:25:143
9770995016,10cyclictest25-21ksoftirqd/100:05:011
977299495,7cyclictest1300-21snmpd23:00:123
977299494,7cyclictest41-21ksoftirqd/300:35:173
9769994920,3cyclictest9-21ksoftirqd/022:45:240
977299486,7cyclictest41-21ksoftirqd/320:55:183
977299485,6cyclictest41-21ksoftirqd/323:20:013
977299485,4cyclictest41-21ksoftirqd/319:35:143
977299483,4cyclictest41-21ksoftirqd/319:30:213
9772994819,4cyclictest41-21ksoftirqd/300:22:263
9772994818,7cyclictest41-21ksoftirqd/319:40:153
9772994817,6cyclictest41-21ksoftirqd/321:05:003
9769994816,3cyclictest9-21ksoftirqd/022:20:010
977299476,4cyclictest41-21ksoftirqd/320:05:163
977299475,7cyclictest41-21ksoftirqd/300:30:233
977299475,4cyclictest41-21ksoftirqd/319:55:133
977299474,9cyclictest41-21ksoftirqd/323:50:133
977299474,8cyclictest41-21ksoftirqd/320:10:173
977299474,8cyclictest41-21ksoftirqd/320:10:163
977299473,9cyclictest41-21ksoftirqd/320:35:003
977299473,7cyclictest41-21ksoftirqd/321:30:113
977299472,8cyclictest41-21ksoftirqd/321:25:133
977099478,7cyclictest25-21ksoftirqd/121:40:171
977099477,9cyclictest25-21ksoftirqd/119:15:211
9770994717,8cyclictest25-21ksoftirqd/122:20:021
9769994717,4cyclictest9-21ksoftirqd/021:15:270
9769994715,3cyclictest9-21ksoftirqd/021:05:180
219042470,3sleep10-21swapper/122:55:251
977299466,7cyclictest41-21ksoftirqd/319:15:113
977299464,7cyclictest41-21ksoftirqd/321:50:183
977299463,6cyclictest41-21ksoftirqd/321:55:253
9772994618,7cyclictest41-21ksoftirqd/322:05:013
977099464,4cyclictest25-21ksoftirqd/122:40:211
977099463,6cyclictest25-21ksoftirqd/121:05:181
9770994619,9cyclictest25-21ksoftirqd/121:25:011
9770994618,4cyclictest25-21ksoftirqd/122:55:011
976999462,9cyclictest9-21ksoftirqd/000:34:590
9769994618,3cyclictest9-21ksoftirqd/019:45:000
9769994613,5cyclictest9-21ksoftirqd/019:49:590
977299455,7cyclictest41-21ksoftirqd/323:10:203
9772994518,7cyclictest41-21ksoftirqd/319:45:123
977099455,7cyclictest25-21ksoftirqd/120:00:131
976999452,3cyclictest9-21ksoftirqd/023:40:260
976999450,11cyclictest9-21ksoftirqd/022:10:260
977299442,7cyclictest41-21ksoftirqd/320:50:113
977099446,6cyclictest25-21ksoftirqd/119:40:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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