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2026-06-25 - 08:09
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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 Jun 25, 2026 01:01:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28914992482,241cyclictest3545-21CPU13
28914992482,241cyclictest3545-21CPU13
28914992471,2cyclictest0-21swapper/2022:51:1213
28914992471,2cyclictest0-21swapper/2022:51:1213
28914992430,2cyclictest0-21swapper/2022:40:1813
28914992430,2cyclictest0-21swapper/2022:40:1813
28914992421,3cyclictest1367-21dbus-daemon00:09:4813
28914992421,3cyclictest1367-21dbus-daemon00:09:4713
28914992411,2cyclictest0-21swapper/2022:06:5713
28914992411,2cyclictest0-21swapper/2022:06:5713
28914992381,233cyclictest0-21swapper/2023:50:2013
28914992381,233cyclictest0-21swapper/2023:50:2013
28914992362,231cyclictest17484-21nfsd22:45:2213
28914992362,231cyclictest17484-21nfsd22:45:2213
28914992361,2cyclictest0-21swapper/2022:22:4213
28914992361,2cyclictest0-21swapper/2022:22:4213
28914992361,232cyclictest0-21swapper/2023:27:0213
28914992361,232cyclictest0-21swapper/2023:27:0113
28914992361,231cyclictest0-21swapper/2021:10:1213
28914992361,231cyclictest0-21swapper/2021:10:1213
28914992350,2cyclictest0-21swapper/2021:52:0813
28914992350,2cyclictest0-21swapper/2021:52:0813
28914992341,6cyclictest37257-21qemu-system-x8623:19:4213
28914992341,6cyclictest37257-21qemu-system-x8623:19:4213
28914992341,6cyclictest37257-21qemu-system-x8623:19:4213
28914992341,2cyclictest0-21swapper/2022:10:1313
28914992341,2cyclictest0-21swapper/2022:10:1313
28914992341,2cyclictest0-21swapper/2022:10:1213
28914992341,230cyclictest0-21swapper/2000:03:5213
28914992341,230cyclictest0-21swapper/2000:03:5213
28914992340,2cyclictest0-21swapper/2021:21:2613
28914992340,2cyclictest0-21swapper/2021:21:2513
28914992323,223cyclictest2462-21CPU13
28914992323,223cyclictest2462-21CPU13
28914992311,227cyclictest0-21swapper/2023:00:1813
28914992311,227cyclictest0-21swapper/2023:00:1813
28914992311,227cyclictest0-21swapper/2000:11:1313
28914992311,227cyclictest0-21swapper/2000:11:1313
28914992310,2cyclictest0-21swapper/2000:21:1313
28914992310,2cyclictest0-21swapper/2000:21:1213
28914992301,9cyclictest20539-21sshd21:44:3413
28914992301,9cyclictest20539-21sshd21:44:3313
28914992301,2cyclictest0-21swapper/2020:20:4213
28914992301,2cyclictest0-21swapper/2020:20:4113
28914992300,2cyclictest0-21swapper/2022:35:1113
28914992300,2cyclictest0-21swapper/2022:35:1013
28914992291,3cyclictest0-21swapper/2000:26:2113
28914992291,3cyclictest0-21swapper/2000:26:2113
28914992291,225cyclictest0-21swapper/2021:37:5513
28914992291,225cyclictest0-21swapper/2021:37:5513
28914992261,3cyclictest37266-21CPU13
28914992261,3cyclictest37266-21CPU13
28914992260,2cyclictest0-21swapper/2000:34:4413
28914992260,2cyclictest0-21swapper/2000:34:4313
28914992251,9cyclictest35866-21sshd21:10:0613
28914992251,9cyclictest35866-21sshd21:10:0613
28914992251,9cyclictest35866-21sshd21:10:0513
28914992251,219cyclictest0-21swapper/2023:09:3813
28914992251,219cyclictest0-21swapper/2023:09:3713
28914992251,219cyclictest0-21swapper/2023:09:3713
28914992250,2cyclictest0-21swapper/2022:28:1613
28914992250,2cyclictest0-21swapper/2022:28:1613
28914992250,2cyclictest0-21swapper/2019:45:1413
28914992250,2cyclictest0-21swapper/2019:45:1413
28914992241,2cyclictest0-21swapper/2022:17:4813
28914992241,2cyclictest0-21swapper/2022:17:4713
28914992241,220cyclictest0-21swapper/2020:15:0313
28914992241,220cyclictest0-21swapper/2020:15:0313
28914992240,2cyclictest0-21swapper/2022:03:5513
28914992240,2cyclictest0-21swapper/2022:03:5513
28914992240,2cyclictest0-21swapper/2022:03:5413
28914992231,2cyclictest0-21swapper/2021:47:1813
28914992231,2cyclictest0-21swapper/2021:47:1813
28914992231,2cyclictest0-21swapper/2019:55:0313
28914992231,2cyclictest0-21swapper/2019:55:0313
28914992230,2cyclictest0-21swapper/2023:40:5513
28914992230,2cyclictest0-21swapper/2023:40:5513
28914992221,218cyclictest0-21swapper/2022:32:0113
28914992221,218cyclictest0-21swapper/2022:32:0013
28914992210,2cyclictest0-21swapper/2021:56:0913
28914992210,2cyclictest0-21swapper/2021:56:0913
28914992201,2cyclictest0-21swapper/2000:16:5613
28914992201,2cyclictest0-21swapper/2000:16:5613
28914992191,3cyclictest39033-21systemd21:28:1413
28914992191,3cyclictest39033-21systemd21:28:1313
28914992191,2cyclictest0-21swapper/2020:40:3413
28914992191,2cyclictest0-21swapper/2020:40:3413
28914992191,2cyclictest0-21swapper/2020:00:4613
28914992190,6cyclictest34042-21systemd23:36:0413
28914992190,6cyclictest34042-21systemd23:36:0313
28914992190,2cyclictest0-21swapper/2023:46:5513
28914992190,2cyclictest0-21swapper/2023:46:5413
28914992181,3cyclictest0-21swapper/2020:05:0613
28914992181,2cyclictest0-21swapper/2019:25:2013
28914992181,2cyclictest0-21swapper/2019:25:2013
28914992181,214cyclictest0-21swapper/2023:12:3913
28914992181,214cyclictest0-21swapper/2023:12:3913
28914992180,2cyclictest0-21swapper/2021:18:1413
28914992180,2cyclictest0-21swapper/2021:18:1313
28914992171,2cyclictest0-21swapper/2023:31:3213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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