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2026-01-12 - 14:57
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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 rack6slot0.osadl.org (updated Mon Jan 12, 2026 13:00:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3485099206201,4cyclictest0-21swapper/3507:18:3229
3485099206201,4cyclictest0-21swapper/3507:18:3129
3484299206197,6cyclictest38621-21kworker/u81:4+events_unbound12:36:4620
3484299206197,6cyclictest38621-21kworker/u81:4+events_unbound12:36:4620
3484299206197,6cyclictest38621-21kworker/u81:4+events_unbound12:36:4520
3485199203194,5cyclictest0-21swapper/3608:35:1730
3485199203194,5cyclictest0-21swapper/3608:35:1730
3481399203196,3cyclictest37354-21CPU34
3481399203196,3cyclictest37354-21CPU34
3481399203196,3cyclictest37354-21CPU34
3481399203179,16cyclictest0-21swapper/409:12:5234
3481399203179,16cyclictest0-21swapper/409:12:5234
3483499202191,9cyclictest0-21swapper/2111:55:2014
3483499202191,9cyclictest0-21swapper/2111:55:2014
3481399202193,6cyclictest0-21swapper/407:50:1334
3481399202193,6cyclictest0-21swapper/407:50:1334
3481399201184,11cyclictest0-21swapper/411:33:5434
3481399201184,11cyclictest0-21swapper/411:33:5434
3485099200193,5cyclictest0-21swapper/3509:28:5629
3485099200193,5cyclictest0-21swapper/3509:28:5629
3485099200193,5cyclictest0-21swapper/3509:28:5629
3483499200189,9cyclictest0-21swapper/2109:37:1514
3483499200189,9cyclictest0-21swapper/2109:37:1514
3483499200189,9cyclictest0-21swapper/2109:37:1514
3483499200188,8cyclictest37352-21CPU14
3483499200188,8cyclictest37352-21CPU14
3481399200191,7cyclictest0-21swapper/412:23:5434
3481399200191,7cyclictest0-21swapper/412:23:5434
3481399200191,7cyclictest0-21swapper/412:23:5434
3483499199190,7cyclictest755-21systemd-journal09:56:5214
3483499199190,7cyclictest755-21systemd-journal09:56:5214
3481399199193,4cyclictest24952-21packagekitd09:26:0634
3481399199193,4cyclictest24952-21packagekitd09:26:0634
3481399199193,4cyclictest24952-21packagekitd09:26:0634
3485399198192,5cyclictest0-21swapper/3810:39:1232
3485399198192,5cyclictest0-21swapper/3810:39:1232
3485399198192,5cyclictest0-21swapper/3810:39:1232
3485199198187,8cyclictest1392-21gdbus10:36:2830
3485199198187,8cyclictest1392-21gdbus10:36:2830
3485199198187,8cyclictest1392-21gdbus10:36:2730
3485099197187,8cyclictest0-21swapper/3508:27:5029
3485099197187,8cyclictest0-21swapper/3508:27:5029
3481399197183,9cyclictest1367-21dbus-daemon09:15:2034
3481399197183,9cyclictest1367-21dbus-daemon09:15:2034
3481399197183,9cyclictest1367-21dbus-daemon09:15:1934
3481399197177,11cyclictest0-21swapper/409:21:1034
3481399197177,11cyclictest0-21swapper/409:21:1034
3483499196186,8cyclictest0-21swapper/2110:37:5414
3483499196186,8cyclictest0-21swapper/2110:37:5414
3483499196186,8cyclictest0-21swapper/2110:37:5314
3481399196185,7cyclictest4407-21CPU34
3481399196185,7cyclictest4407-21CPU34
3481399195190,4cyclictest0-21swapper/411:42:5434
3481399195190,4cyclictest0-21swapper/411:42:5334
3481399195190,4cyclictest0-21swapper/411:42:5334
3483499194184,8cyclictest0-21swapper/2109:50:1514
3483499194184,8cyclictest0-21swapper/2109:50:1514
3483499194184,8cyclictest0-21swapper/2109:50:1514
3485099193188,4cyclictest0-21swapper/3508:34:1029
3485099193188,4cyclictest0-21swapper/3508:34:1029
3484299193182,9cyclictest0-21swapper/2712:06:4420
3484299193182,9cyclictest0-21swapper/2712:06:4320
3483499193188,4cyclictest0-21swapper/2108:20:0014
3483499193188,4cyclictest0-21swapper/2108:20:0014
3483499193185,5cyclictest3609-21CPU14
3483499193185,5cyclictest3609-21CPU14
3481399193189,2cyclictest0-21swapper/407:39:2434
3481399193189,2cyclictest0-21swapper/407:39:2434
3481399193185,6cyclictest0-21swapper/407:42:5534
3481399193185,6cyclictest0-21swapper/407:42:5534
3485399192186,4cyclictest0-21swapper/3809:23:3332
3485399192186,4cyclictest0-21swapper/3809:23:3332
3485199192185,5cyclictest0-21swapper/3610:28:3730
3485199192185,5cyclictest0-21swapper/3610:28:3730
3485199192185,5cyclictest0-21swapper/3610:28:3730
3483499192189,2cyclictest0-21swapper/2111:05:3714
3483499192189,2cyclictest0-21swapper/2111:05:3714
3483499192189,2cyclictest0-21swapper/2111:05:3714
3483499192117,62cyclictest37354-21CPU14
3481399192186,4cyclictest0-21swapper/407:26:2434
3481399192186,4cyclictest0-21swapper/407:26:2434
3481399192186,4cyclictest0-21swapper/407:15:1234
3481399192186,4cyclictest0-21swapper/407:15:1134
3485199191185,4cyclictest0-21swapper/3612:32:5030
3485199191185,4cyclictest0-21swapper/3612:32:5030
3485199191185,4cyclictest0-21swapper/3612:32:5030
3483499191184,5cyclictest0-21swapper/2109:25:0114
3483499191184,5cyclictest0-21swapper/2109:25:0114
3481399191185,4cyclictest0-21swapper/408:42:5234
3481399191185,4cyclictest0-21swapper/408:42:5234
3481399191179,9cyclictest0-21swapper/407:30:2634
3481399191179,9cyclictest0-21swapper/407:30:2634
3485399190185,4cyclictest0-21swapper/3808:08:3932
3483499190184,4cyclictest0-21swapper/2111:35:5214
3483499190184,4cyclictest0-21swapper/2111:35:5114
3483499190184,3cyclictest0-21swapper/2110:59:3414
3483499190184,3cyclictest0-21swapper/2110:59:3414
3483499190184,3cyclictest0-21swapper/2110:59:3414
3481399190184,4cyclictest0-21swapper/409:40:1334
3481399190184,4cyclictest0-21swapper/409:40:1334
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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