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2026-07-08 - 21:30
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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 rackdslot1.osadl.org (updated Wed Jul 08, 2026 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1659421610,6sleep3361199cyclictest09:55:173
3018421390,6sleep3361199cyclictest09:15:173
3608997427,9cyclictest9-21ksoftirqd/008:30:000
3611997236,8cyclictest41-21ksoftirqd/311:40:013
3611997236,8cyclictest41-21ksoftirqd/311:40:003
3611997130,10cyclictest41-21ksoftirqd/310:15:133
3608996937,4cyclictest9-21ksoftirqd/010:15:230
3608996927,4cyclictest9-21ksoftirqd/007:25:280
3608996925,4cyclictest9-21ksoftirqd/009:30:270
3611996734,3cyclictest41-21ksoftirqd/308:50:203
3608996725,4cyclictest9-21ksoftirqd/009:50:250
3608996625,4cyclictest9-21ksoftirqd/009:45:270
3608996623,8cyclictest9-21ksoftirqd/008:20:190
3611996529,9cyclictest41-21ksoftirqd/310:11:173
3608996532,3cyclictest9-21ksoftirqd/009:15:250
3608996525,4cyclictest9-21ksoftirqd/008:00:250
3611996435,3cyclictest41-21ksoftirqd/308:10:003
3611996432,4cyclictest41-21ksoftirqd/307:25:233
3611996432,3cyclictest41-21ksoftirqd/311:20:153
3608996430,8cyclictest9-21ksoftirqd/010:38:030
3608996423,4cyclictest9-21ksoftirqd/009:10:110
3608996416,8cyclictest9-21ksoftirqd/009:10:000
3611996328,8cyclictest41-21ksoftirqd/308:35:193
3611996233,7cyclictest41-21ksoftirqd/310:05:173
3611996229,4cyclictest41-21ksoftirqd/309:15:003
3611996228,7cyclictest41-21ksoftirqd/311:45:003
3611996228,3cyclictest41-21ksoftirqd/312:15:233
3611996227,8cyclictest41-21ksoftirqd/309:40:003
3611996219,8cyclictest41-21ksoftirqd/309:20:243
3608996229,4cyclictest9-21ksoftirqd/012:35:210
3611996131,8cyclictest41-21ksoftirqd/308:00:143
3611996129,3cyclictest41-21ksoftirqd/311:00:123
3611996127,10cyclictest41-21ksoftirqd/312:35:123
3611996126,3cyclictest41-21ksoftirqd/307:35:223
3611996123,8cyclictest41-21ksoftirqd/307:40:283
3611996121,9cyclictest41-21ksoftirqd/309:05:193
3608996129,4cyclictest9-21ksoftirqd/011:15:200
3608996125,3cyclictest9-21ksoftirqd/012:34:420
3611996029,8cyclictest41-21ksoftirqd/308:30:173
3611996027,8cyclictest41-21ksoftirqd/310:30:123
3611996025,7cyclictest41-21ksoftirqd/311:45:123
3611996025,7cyclictest41-21ksoftirqd/310:45:003
3611996025,4cyclictest41-21ksoftirqd/309:40:343
3609996026,7cyclictest25-21ksoftirqd/109:45:281
3611995930,6cyclictest41-21ksoftirqd/308:20:183
3611995926,6cyclictest41-21ksoftirqd/311:15:283
3611995925,8cyclictest41-21ksoftirqd/307:45:273
3611995925,7cyclictest41-21ksoftirqd/312:30:133
3611995924,9cyclictest41-21ksoftirqd/308:15:003
3611995920,8cyclictest41-21ksoftirqd/309:49:143
3608995923,7cyclictest9-21ksoftirqd/012:19:170
134491590,4ptp4l0-21swapper/012:00:130
3611995829,3cyclictest41-21ksoftirqd/311:05:193
3611995829,3cyclictest41-21ksoftirqd/311:05:193
3611995829,3cyclictest41-21ksoftirqd/309:30:153
3611995825,6cyclictest41-21ksoftirqd/309:01:283
3611995824,9cyclictest41-21ksoftirqd/307:50:273
3611995824,6cyclictest41-21ksoftirqd/308:15:133
3611995824,3cyclictest41-21ksoftirqd/311:30:003
3611995823,7cyclictest41-21ksoftirqd/310:28:003
3611995823,7cyclictest41-21ksoftirqd/307:20:183
3608995827,4cyclictest9-21ksoftirqd/010:30:140
3608995818,3cyclictest9-21ksoftirqd/010:10:370
134491580,4ptp4l0-21swapper/207:50:232
361199577,6cyclictest41-21ksoftirqd/309:00:013
3611995727,3cyclictest41-21ksoftirqd/309:25:153
3609995721,16cyclictest25-21ksoftirqd/107:50:251
3608995726,3cyclictest9-21ksoftirqd/011:59:490
3608995721,9cyclictest9-21ksoftirqd/012:20:150
3608995721,8cyclictest9-21ksoftirqd/008:45:130
3608995716,7cyclictest9-21ksoftirqd/008:40:260
134491570,3ptp4l0-21swapper/309:54:103
134491570,3ptp4l0-21swapper/009:55:220
3611995627,3cyclictest41-21ksoftirqd/308:00:003
3611995625,6cyclictest41-21ksoftirqd/312:25:183
3611995624,8cyclictest41-21ksoftirqd/312:00:183
3611995620,5cyclictest41-21ksoftirqd/312:15:013
3611995619,3cyclictest41-21ksoftirqd/311:30:233
3609995618,3cyclictest25-21ksoftirqd/107:40:201
3608995624,9cyclictest9-21ksoftirqd/009:20:180
134491560,3ptp4l0-21swapper/110:56:421
134491560,13ptp4l13447-21apt-get08:40:123
3611995526,6cyclictest41-21ksoftirqd/312:05:143
3611995524,4cyclictest41-21ksoftirqd/310:55:003
3611995523,7cyclictest41-21ksoftirqd/310:20:173
3609995525,6cyclictest25-21ksoftirqd/107:30:271
3609995517,4cyclictest25-21ksoftirqd/108:25:161
3608995530,8cyclictest9-21ksoftirqd/010:25:260
134491550,3ptp4l0-21swapper/211:00:182
134491550,3ptp4l0-21swapper/010:42:200
3611995422,7cyclictest41-21ksoftirqd/310:45:253
3609995424,7cyclictest25-21ksoftirqd/108:05:211
3609995421,3cyclictest25-21ksoftirqd/107:10:181
3608995433,4cyclictest9-21ksoftirqd/011:05:270
3608995433,4cyclictest9-21ksoftirqd/011:05:260
3608995430,8cyclictest9-21ksoftirqd/007:53:190
3608995427,4cyclictest9-21ksoftirqd/010:25:000
3608995426,4cyclictest9-21ksoftirqd/007:31:210
3608995422,4cyclictest9-21ksoftirqd/009:37:190
3608995417,4cyclictest9-21ksoftirqd/008:53:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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