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2026-05-24 - 02:39
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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 May 24, 2026 01:02:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13022992491,244cyclictest0-21swapper/823:50:2038
13022992491,244cyclictest0-21swapper/823:50:1938
13022992491,244cyclictest0-21swapper/823:50:1938
13022992481,242cyclictest0-21swapper/820:00:1438
13022992481,242cyclictest0-21swapper/820:00:1438
13022992441,2cyclictest0-21swapper/819:50:2238
13022992421,238cyclictest0-21swapper/820:40:1338
13022992421,238cyclictest0-21swapper/820:40:1238
13022992411,237cyclictest0-21swapper/821:48:5538
13022992411,237cyclictest0-21swapper/821:48:5538
13022992350,228cyclictest37354-21CPU38
13022992350,228cyclictest37354-21CPU38
13022992350,228cyclictest37354-21CPU38
13022992341,230cyclictest0-21swapper/821:12:5238
13022992341,230cyclictest0-21swapper/821:12:5138
13022992341,230cyclictest0-21swapper/821:12:5138
13022992332,227cyclictest0-21swapper/822:00:0138
13022992332,227cyclictest0-21swapper/822:00:0138
13022992332,227cyclictest0-21swapper/822:00:0138
13022992311,226cyclictest10469-21cat21:05:0238
13022992311,226cyclictest10469-21cat21:05:0138
13022992291,2cyclictest0-21swapper/823:37:3638
13022992291,2cyclictest0-21swapper/823:37:3638
13022992291,2cyclictest0-21swapper/823:37:3638
13022992291,224cyclictest0-21swapper/821:27:0438
13022992291,224cyclictest0-21swapper/821:27:0438
13022992291,224cyclictest0-21swapper/821:27:0438
13022992281,224cyclictest0-21swapper/821:09:0638
13022992281,224cyclictest0-21swapper/821:09:0638
13022992272,220cyclictest3545-21CPU38
13022992272,220cyclictest3545-21CPU38
13022992271,222cyclictest0-21swapper/822:57:5038
13022992271,222cyclictest0-21swapper/822:57:5038
13022992271,222cyclictest0-21swapper/822:57:4938
13022992263,218cyclictest2447-21CPU38
13022992263,218cyclictest2447-21CPU38
13022992261,3cyclictest2327-21qemu-system-x8600:07:5138
13022992261,3cyclictest2327-21qemu-system-x8600:07:5038
13022992261,221cyclictest1-21systemd23:50:0038
13022992261,221cyclictest1-21systemd23:50:0038
13022992261,220cyclictest4398-21qemu-system-x8620:18:5538
13022992261,220cyclictest4398-21qemu-system-x8620:18:5538
13022992260,6cyclictest1-21systemd21:37:3838
13022992260,6cyclictest1-21systemd21:37:3838
13022992260,6cyclictest1-21systemd21:37:3838
13022992252,218cyclictest2462-21CPU38
13022992252,218cyclictest2462-21CPU38
13022992235,214cyclictest0-21swapper/823:40:2938
13022992235,214cyclictest0-21swapper/823:40:2938
13022992235,214cyclictest0-21swapper/823:40:2938
13022992231,3cyclictest3600-21qemu-system-x8623:18:5938
13022992231,3cyclictest3600-21qemu-system-x8623:18:5938
13022992231,3cyclictest3600-21qemu-system-x8623:18:5838
13022992231,219cyclictest0-21swapper/823:23:4438
13022992231,219cyclictest0-21swapper/823:23:4438
13022992221,2cyclictest0-21swapper/821:15:2138
13022992221,2cyclictest0-21swapper/821:15:2038
13022992221,217cyclictest1367-21dbus-daemon22:47:1438
13022992221,217cyclictest1367-21dbus-daemon22:47:1438
13022992221,217cyclictest1367-21dbus-daemon22:47:1438
13022992220,2cyclictest0-21swapper/800:16:3538
13022992220,2cyclictest0-21swapper/800:16:3438
13022992211,217cyclictest0-21swapper/800:30:1338
13022992211,217cyclictest0-21swapper/800:30:1338
13022992211,217cyclictest0-21swapper/800:30:1238
13022992210,3cyclictest2456-21CPU38
13022992210,3cyclictest2456-21CPU38
13022992200,6cyclictest22484-21cat19:45:0438
13022992200,6cyclictest22484-21cat19:45:0338
13022992190,5cyclictest17484-21nfsd00:02:5538
13022992190,5cyclictest17484-21nfsd00:02:5538
13022992190,2cyclictest0-21swapper/820:45:2838
13022992190,2cyclictest0-21swapper/820:45:2838
13022992190,2cyclictest0-21swapper/820:35:1738
13022992190,2cyclictest0-21swapper/820:35:1738
13022992181,2cyclictest0-21swapper/800:35:1438
13022992181,2cyclictest0-21swapper/800:35:1338
13022992181,2cyclictest0-21swapper/800:35:1338
13022992181,214cyclictest0-21swapper/822:08:5238
13022992181,214cyclictest0-21swapper/822:08:5238
13022992181,214cyclictest0-21swapper/822:08:5238
13022992180,3cyclictest29092sleep822:40:0438
13022992180,3cyclictest29092sleep822:40:0438
13022992180,2cyclictest0-21swapper/822:10:1538
13022992180,2cyclictest0-21swapper/822:10:1538
13022992180,2cyclictest0-21swapper/800:12:4938
13022992180,2cyclictest0-21swapper/800:12:4838
13022992172,210cyclictest3547-21CPU38
13022992172,210cyclictest3547-21CPU38
13022992172,210cyclictest3544-21CPU38
13022992172,210cyclictest3544-21CPU38
13022992170,2cyclictest0-21swapper/820:34:2038
13022992170,2cyclictest0-21swapper/820:34:2038
13022992161,2cyclictest0-21swapper/823:12:0938
13022992161,2cyclictest0-21swapper/823:12:0938
13022992160,7cyclictest10159-21sshd21:20:5538
13022992160,7cyclictest10159-21sshd21:20:5438
13022992153,207cyclictest4407-21CPU38
13022992153,207cyclictest4407-21CPU38
13022992143,207cyclictest1367-21dbus-daemon21:52:4138
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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