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2026-05-11 - 10:24
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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 May 11, 2026 01:01:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3829599206201,4cyclictest0-21swapper/3621:56:1130
3829599206201,4cyclictest0-21swapper/3621:56:1130
3829599201195,4cyclictest1360-21systemd-logind22:11:1030
3829599201195,4cyclictest1360-21systemd-logind22:11:1030
3829599200194,4cyclictest0-21swapper/3622:41:4830
3829599200194,4cyclictest0-21swapper/3622:41:4730
3829599200194,4cyclictest0-21swapper/3622:41:4730
3829899199191,6cyclictest0-21swapper/3823:35:3632
3829899199191,6cyclictest0-21swapper/3823:35:3632
3829899199189,7cyclictest37346-21qemu-system-x8623:04:4532
3829899199189,7cyclictest37346-21qemu-system-x8623:04:4532
3829599199194,4cyclictest0-21swapper/3622:21:5930
3829599199194,4cyclictest0-21swapper/3622:21:5830
3829599199194,4cyclictest0-21swapper/3622:21:5830
3825999199186,9cyclictest3544-21CPU35
3825999199186,9cyclictest3544-21CPU35
3829899198191,3cyclictest0-21swapper/3821:15:2332
3829899198191,3cyclictest0-21swapper/3821:15:2332
3829899198191,3cyclictest0-21swapper/3821:15:2232
3829899198187,9cyclictest30734-21sh23:34:4532
3829899198187,9cyclictest30734-21sh23:34:4532
3826299197192,4cyclictest0-21swapper/822:48:0038
3826299197192,4cyclictest0-21swapper/822:48:0038
3828899196187,6cyclictest755-21systemd-journal00:30:2024
3828899196187,6cyclictest755-21systemd-journal00:30:2024
3829899194179,10cyclictest3541-21CPU32
3829899194179,10cyclictest3541-21CPU32
3829599194187,5cyclictest0-21swapper/3622:00:5030
3829599194187,5cyclictest0-21swapper/3622:00:4930
3829599194185,7cyclictest0-21swapper/3622:35:1130
3829599194185,7cyclictest0-21swapper/3622:35:1130
3829599193189,2cyclictest16285-21systemctl22:33:3030
3829599193189,2cyclictest16285-21systemctl22:33:3030
3828899193186,5cyclictest0-21swapper/3021:35:5624
3828899193186,5cyclictest0-21swapper/3021:35:5624
3828899193186,5cyclictest0-21swapper/3021:35:5624
3828899193186,5cyclictest0-21swapper/3000:29:5724
3828899193186,5cyclictest0-21swapper/3000:29:5624
3829899192185,5cyclictest0-21swapper/3821:20:2932
3829899192185,5cyclictest0-21swapper/3821:20:2932
3829599192186,4cyclictest0-21swapper/3620:10:2530
3829599192185,3cyclictest3547-21CPU30
3829599192185,3cyclictest3547-21CPU30
3829599191184,3cyclictest2454-21CPU30
3829599191184,3cyclictest2454-21CPU30
3829899190185,4cyclictest0-21swapper/3821:05:2732
3829899190185,4cyclictest0-21swapper/3821:05:2732
3829899190185,3cyclictest0-21swapper/3819:15:0432
3829899190184,4cyclictest0-21swapper/3823:05:1132
3829899190184,4cyclictest0-21swapper/3823:05:1132
3829899190184,4cyclictest0-21swapper/3823:05:1032
3829899190183,5cyclictest0-21swapper/3823:47:0532
3829899190183,5cyclictest0-21swapper/3823:47:0532
3829899190183,5cyclictest0-21swapper/3823:47:0432
3829599190185,4cyclictest0-21swapper/3622:28:2930
3829599190185,4cyclictest0-21swapper/3622:28:2930
3829599190177,11cyclictest0-21swapper/3623:25:1830
3829599190177,11cyclictest0-21swapper/3623:25:1830
3829899189183,4cyclictest0-21swapper/3821:10:1832
3829899189183,4cyclictest0-21swapper/3821:10:1732
3829899189179,8cyclictest0-21swapper/3822:13:2132
3829899189179,8cyclictest0-21swapper/3822:13:2132
3829599189182,5cyclictest0-21swapper/3623:57:3730
3829599189182,5cyclictest0-21swapper/3623:57:3730
3829599189182,5cyclictest0-21swapper/3623:57:3630
3825999189172,10cyclictest0-21swapper/521:41:3835
3825999189172,10cyclictest0-21swapper/521:41:3835
3829899188183,4cyclictest0-21swapper/3820:40:2232
3829899188183,4cyclictest0-21swapper/3820:40:2232
3829899188182,4cyclictest0-21swapper/3822:59:2032
3829899188182,4cyclictest0-21swapper/3822:59:2032
3829899188182,4cyclictest0-21swapper/3822:59:2032
3829899188181,5cyclictest0-21swapper/3823:27:3732
3829899188181,5cyclictest0-21swapper/3823:27:3732
3829599188181,4cyclictest0-21swapper/3623:18:2130
3829599188181,4cyclictest0-21swapper/3623:18:2130
3829599188181,4cyclictest0-21swapper/3623:18:2030
3826999188178,5cyclictest0-21swapper/1421:50:016
3826999188178,5cyclictest0-21swapper/1421:50:016
3826999188178,5cyclictest0-21swapper/1421:50:016
3829899187182,4cyclictest0-21swapper/3820:15:3432
3829899187180,5cyclictest0-21swapper/3820:30:1732
3829899187180,5cyclictest0-21swapper/3820:30:1732
3829599187181,4cyclictest0-21swapper/3621:01:1630
3829599187181,4cyclictest0-21swapper/3621:01:1630
3829599187179,4cyclictest3544-21CPU30
3829599187179,4cyclictest3544-21CPU30
3826999187167,13cyclictest0-21swapper/1421:32:406
3826999187167,13cyclictest0-21swapper/1421:32:406
3829899186175,9cyclictest4003-21kworker/u80:2-ext4-rsv-conversion23:42:1732
3829899186175,9cyclictest4003-21kworker/u80:2-ext4-rsv-conversion23:42:1732
3829899186174,9cyclictest0-21swapper/3822:33:4932
3829899186174,9cyclictest0-21swapper/3822:33:4832
3829899186170,13cyclictest3609-21CPU32
3829899186170,13cyclictest3609-21CPU32
3829599186180,4cyclictest0-21swapper/3623:14:1930
3829599186180,4cyclictest0-21swapper/3623:14:1830
3829899185179,4cyclictest0-21swapper/3819:40:1432
3829899185179,4cyclictest0-21swapper/3819:40:1432
3829899185174,9cyclictest0-21swapper/3823:51:2232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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