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2026-08-30 - 06:38
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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 Sun Aug 30, 2026 01:02:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2772992391,235cyclictest1367-21dbus-daemon00:29:4939
2772992391,235cyclictest1367-21dbus-daemon00:29:4839
2772992371,232cyclictest1430-21polkitd00:03:2339
2772992371,232cyclictest1430-21polkitd00:03:2339
2772992371,232cyclictest0-21swapper/900:34:3539
2772992371,232cyclictest0-21swapper/900:34:3539
2772992362,230cyclictest3543-21CPU39
2772992362,230cyclictest3543-21CPU39
2772992350,232cyclictest9502-21sshd00:06:1139
2772992350,232cyclictest9502-21sshd00:06:1039
2772992350,232cyclictest9502-21sshd00:06:1039
2772992320,229cyclictest0-21swapper/900:36:5739
2772992320,229cyclictest0-21swapper/900:36:5639
276299232221,8cyclictest2454-21CPU1
276299232221,8cyclictest2454-21CPU1
2772992311,226cyclictest0-21swapper/900:23:1239
2772992311,226cyclictest0-21swapper/900:23:1139
279699230225,3cyclictest0-21swapper/2922:35:1522
279699230225,3cyclictest0-21swapper/2922:35:1522
2772992301,227cyclictest0-21swapper/923:37:3839
2772992301,227cyclictest0-21swapper/923:37:3839
2772992301,227cyclictest0-21swapper/923:37:3739
2772992281,224cyclictest0-21swapper/923:46:3239
2772992281,224cyclictest0-21swapper/923:46:3239
2772992281,224cyclictest0-21swapper/923:46:3239
2772992271,223cyclictest0-21swapper/900:15:2039
2772992271,223cyclictest0-21swapper/900:15:1939
2772992271,223cyclictest0-21swapper/900:11:2639
2772992271,223cyclictest0-21swapper/900:11:2539
2772992251,221cyclictest0-21swapper/923:43:0839
2772992251,221cyclictest0-21swapper/923:43:0839
2772992231,220cyclictest0-21swapper/923:56:0039
2772992231,220cyclictest0-21swapper/923:56:0039
2772992231,220cyclictest0-21swapper/923:56:0039
276999221218,2cyclictest0-21swapper/723:50:3437
276999221218,2cyclictest0-21swapper/723:50:3437
279999215209,3cyclictest3543-21CPU26
276799215205,5cyclictest3542-21CPU36
276799215205,5cyclictest3542-21CPU36
2772992142,118cyclictest3543-21CPU39
2772992142,118cyclictest3543-21CPU39
280099212205,5cyclictest0-21swapper/3322:42:3327
280099212205,5cyclictest0-21swapper/3322:42:3227
276799207199,6cyclictest0-21swapper/621:43:0836
276799207199,6cyclictest0-21swapper/621:43:0736
276799207198,6cyclictest0-21swapper/621:45:2736
276799207198,6cyclictest0-21swapper/621:45:2736
276799207198,4cyclictest37263-21CPU36
276799207198,4cyclictest37263-21CPU36
276799207198,4cyclictest37263-21CPU36
2772992062,199cyclictest2459-21CPU39
2772992062,199cyclictest2459-21CPU39
276799206197,4cyclictest17482-21nfsd22:14:1336
276799206197,4cyclictest17482-21nfsd22:14:1336
276799206195,5cyclictest3548-21CPU36
276799206195,5cyclictest3548-21CPU36
276799205199,4cyclictest0-21swapper/622:00:0036
276799205199,4cyclictest0-21swapper/621:59:5936
276799205198,3cyclictest37356-21CPU36
276799205196,5cyclictest34645-21systemd23:25:5136
276799205196,5cyclictest34645-21systemd23:25:5036
276799204198,4cyclictest0-21swapper/621:53:2536
276799204198,4cyclictest0-21swapper/621:53:2536
276799204192,9cyclictest0-21swapper/621:32:3536
276799204192,9cyclictest0-21swapper/621:32:3536
276799203194,5cyclictest0-21swapper/622:49:2736
276799203194,5cyclictest0-21swapper/622:49:2736
276799202195,5cyclictest0-21swapper/622:35:2436
276799202195,5cyclictest0-21swapper/622:35:2336
276699202189,11cyclictest693-21aacraid19:10:0535
276699202189,11cyclictest693-21aacraid19:10:0435
276799201194,5cyclictest0-21swapper/621:38:2736
276799201194,5cyclictest0-21swapper/621:38:2736
276799201194,3cyclictest3609-21CPU36
276799201194,3cyclictest3609-21CPU36
276799201191,7cyclictest11091-21sshd22:10:0336
276799201191,7cyclictest11091-21sshd22:10:0336
276799200196,2cyclictest0-21swapper/622:26:5636
276799200196,2cyclictest0-21swapper/622:26:5636
279499199147,49cyclictest372-21kswapd000:09:5121
279499199147,49cyclictest372-21kswapd000:09:5121
279499199147,49cyclictest372-21kswapd000:09:5021
276799199192,5cyclictest17480-21nfsd19:49:2136
276799199192,5cyclictest17480-21nfsd19:49:2136
276799199192,5cyclictest0-21swapper/621:10:2936
276799199192,5cyclictest0-21swapper/621:10:2936
276799199192,5cyclictest0-21swapper/621:10:2936
276799199191,5cyclictest0-21swapper/622:30:3236
276799199191,5cyclictest0-21swapper/622:30:3236
276799198192,4cyclictest16128-21sshd23:10:1836
276799198192,4cyclictest16128-21sshd23:10:1736
276799198192,4cyclictest0-21swapper/621:26:2036
276799198192,4cyclictest0-21swapper/621:26:2036
276799197191,4cyclictest0-21swapper/622:44:3236
276799197191,4cyclictest0-21swapper/622:44:3236
276799197190,4cyclictest2459-21CPU36
276799197190,4cyclictest2459-21CPU36
278899196159,34cyclictest37354-21CPU17
278899196159,34cyclictest37354-21CPU17
276799196189,5cyclictest0-21swapper/622:03:3336
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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