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2026-04-16 - 03:10
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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 Thu Apr 16, 2026 01:01:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1403799207201,4cyclictest0-21swapper/3521:55:0129
1403799207201,4cyclictest0-21swapper/3521:55:0129
1403799207199,5cyclictest22637-21cpuspeed_turbos22:05:1229
1403799207199,5cyclictest22637-21cpuspeed_turbos22:05:1229
1403799207199,5cyclictest22637-21cpuspeed_turbos22:05:1229
1403799200194,4cyclictest0-21swapper/3519:50:1029
1403799200194,4cyclictest0-21swapper/3519:50:1029
1404199199193,4cyclictest0-21swapper/3800:37:3632
1404199199193,4cyclictest0-21swapper/3800:37:3532
1404199199193,4cyclictest0-21swapper/3800:37:3532
1403799199193,4cyclictest0-21swapper/3521:55:1529
1403799199193,4cyclictest0-21swapper/3521:55:1529
1403799198193,4cyclictest0-21swapper/3519:55:4229
1403799198193,4cyclictest0-21swapper/3519:55:4129
1404199195191,2cyclictest0-21swapper/3823:00:5632
1404199195191,2cyclictest0-21swapper/3823:00:5532
1404199195191,2cyclictest0-21swapper/3823:00:5532
1403799195190,4cyclictest0-21swapper/3520:03:4229
1403799195190,4cyclictest0-21swapper/3520:03:4129
1403699194187,5cyclictest0-21swapper/3422:08:2628
1403699194187,5cyclictest0-21swapper/3422:08:2628
1403699194187,5cyclictest0-21swapper/3422:08:2628
1403699193181,10cyclictest0-21swapper/3421:10:1928
1403699193181,10cyclictest0-21swapper/3421:10:1828
1403699193181,10cyclictest0-21swapper/3421:10:1828
1404199190185,3cyclictest0-21swapper/3800:08:2432
1404199190185,3cyclictest0-21swapper/3800:08:2432
1404199190185,3cyclictest0-21swapper/3800:08:2432
1403499189180,5cyclictest3543-21CPU26
1403499189180,5cyclictest3543-21CPU26
1403499189180,5cyclictest3543-21CPU26
1404199188177,9cyclictest0-21swapper/3820:15:0532
1403699188182,5cyclictest0-21swapper/3422:46:4828
1403699188182,5cyclictest0-21swapper/3422:46:4828
1403699187181,5cyclictest0-21swapper/3421:53:4828
1403699187181,5cyclictest0-21swapper/3421:53:4828
1403299187182,4cyclictest0-21swapper/3000:01:0724
1403299187182,4cyclictest0-21swapper/3000:01:0724
1404199186176,8cyclictest32751-21sshd00:31:3332
1404199186176,8cyclictest32751-21sshd00:31:3232
1403799185180,4cyclictest0-21swapper/3519:41:0329
1403799185180,4cyclictest0-21swapper/3519:41:0229
1403799185175,8cyclictest0-21swapper/3522:04:5929
1403799185175,8cyclictest0-21swapper/3522:04:5829
1403699185178,5cyclictest0-21swapper/3422:57:1728
1403699185178,5cyclictest0-21swapper/3422:57:1728
1403699185178,4cyclictest2454-21CPU28
1403699185178,4cyclictest2454-21CPU28
1400899185176,7cyclictest0-21swapper/900:00:1739
1400899185176,7cyclictest0-21swapper/900:00:1739
1403699184178,4cyclictest0-21swapper/3421:48:5928
1403699184178,4cyclictest0-21swapper/3421:48:5928
1403799183179,2cyclictest0-21swapper/3520:20:1329
1403699183178,4cyclictest17481-21nfsd23:16:4028
1403699183178,4cyclictest17481-21nfsd23:16:4028
1400799183177,3cyclictest0-21swapper/800:05:1838
1400799183177,3cyclictest0-21swapper/800:05:1738
1400799183177,3cyclictest0-21swapper/800:05:1738
1403799182175,6cyclictest0-21swapper/3519:49:2329
1403799182175,6cyclictest0-21swapper/3519:49:2229
1403699182176,4cyclictest0-21swapper/3400:15:2128
1403699182176,4cyclictest0-21swapper/3400:15:2128
1403699182175,6cyclictest0-21swapper/3423:14:0328
1403699182175,6cyclictest0-21swapper/3423:14:0328
1400899182173,5cyclictest0-21swapper/921:59:5939
1400899182173,5cyclictest0-21swapper/921:59:5839
1403699181174,4cyclictest29713-21kworker/u80:1-ext4-rsv-conversion20:45:1928
1403699181174,4cyclictest29713-21kworker/u80:1-ext4-rsv-conversion20:45:1928
1403499181171,8cyclictest0-21swapper/3223:55:2926
1403499181171,8cyclictest0-21swapper/3223:55:2926
1403499181171,8cyclictest0-21swapper/3223:55:2926
1404199180174,4cyclictest0-21swapper/3823:50:2632
1404199180174,4cyclictest0-21swapper/3823:50:2632
1404199180174,4cyclictest0-21swapper/3823:50:2632
1404199180174,4cyclictest0-21swapper/3800:26:0232
1404199180174,4cyclictest0-21swapper/3800:26:0232
1403699180175,4cyclictest0-21swapper/3423:20:3828
1403699180175,4cyclictest0-21swapper/3423:20:3728
1403699180173,5cyclictest0-21swapper/3423:35:3128
1403699180173,5cyclictest0-21swapper/3423:35:3128
1403699180165,13cyclictest24952-21packagekitd23:01:2528
1403699180165,13cyclictest24952-21packagekitd23:01:2428
1403699180165,13cyclictest24952-21packagekitd23:01:2428
1404199179166,10cyclictest0-21swapper/3800:10:2032
1404199179166,10cyclictest0-21swapper/3800:10:1932
1403699179174,4cyclictest0-21swapper/3400:34:1428
1403699179174,4cyclictest0-21swapper/3400:34:1428
1403699179171,6cyclictest0-21swapper/3420:10:4428
1403699179171,6cyclictest0-21swapper/3420:10:4428
1404199178173,3cyclictest0-21swapper/3823:29:1932
1404199178173,3cyclictest0-21swapper/3823:29:1932
1403699178173,4cyclictest0-21swapper/3423:34:1128
1403699178173,4cyclictest0-21swapper/3423:34:1128
1403699178173,3cyclictest3377-21snmpd21:01:2228
1403699178173,3cyclictest3377-21snmpd21:01:2228
1403699178171,5cyclictest0-21swapper/3422:15:2428
1403699178171,5cyclictest0-21swapper/3422:15:2328
1403699178171,5cyclictest0-21swapper/3422:15:2328
1403699176173,2cyclictest0-21swapper/3420:51:0128
1403699176173,2cyclictest0-21swapper/3420:51:0128
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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