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2026-05-01 - 06:00
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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 50 highest latencies:
System rackdslot0.osadl.org (updated Fri May 01, 2026 00:46:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
736399263,18cyclictest0-21swapper/021:45:010
7364992321,1cyclictest0-21swapper/119:50:151
736499220,21cyclictest0-21swapper/121:45:201
736399220,4cyclictest0-21swapper/022:30:190
736499214,2cyclictest22280-21munin-run23:25:001
7364992118,2cyclictest2069-21systemd-udevd23:18:511
736399210,4cyclictest0-21swapper/020:20:010
7365992017,2cyclictest4035-21H222:10:212
7365992015,4cyclictest0-21swapper/220:30:362
7364992018,1cyclictest0-21swapper/123:45:131
736499200,18cyclictest0-21swapper/122:21:271
736499200,17cyclictest0-21swapper/121:27:451
736399202,16cyclictest13957-21gpg-connect-age00:10:010
7365991916,2cyclictest2872-21systemd-logind00:00:512
7365991914,4cyclictest0-21swapper/222:51:002
736599190,18cyclictest14505-21snapd22:05:192
736599190,16cyclictest3983-21H222:10:212
736499193,15cyclictest28261-21sed21:40:011
736499193,15cyclictest0-21swapper/122:47:461
736499193,15cyclictest0-21swapper/100:20:181
736499192,1cyclictest0-21swapper/122:10:211
736499192,1cyclictest0-21swapper/119:10:171
736499192,16cyclictest21750-21perf19:35:001
736499192,16cyclictest0-21swapper/122:06:221
7364991917,1cyclictest0-21swapper/122:40:251
7364991912,4cyclictest3450-21gsd-color19:20:131
736499191,17cyclictest0-21swapper/123:07:171
736499191,16cyclictest0-21swapper/100:06:271
736499191,16cyclictest0-21swapper/100:06:271
736499190,1cyclictest0-21swapper/100:38:311
736499190,1cyclictest0-21swapper/100:20:011
736499190,18cyclictest0-21swapper/122:36:251
736499190,18cyclictest0-21swapper/122:29:521
736499190,18cyclictest0-21swapper/120:31:471
7363991914,2cyclictest3976-21H222:10:210
736399191,15cyclictest0-21swapper/020:10:170
736399190,2cyclictest3979-21H222:10:210
7365991815,2cyclictest28192-21latency_hist21:40:012
7365991814,3cyclictest22129-21/usr/sbin/munin19:35:192
7365991814,2cyclictest6489-21tr21:00:142
736599180,3cyclictest8167-21cut23:55:172
736599180,2cyclictest3983-21H222:10:212
736599180,15cyclictest0-21swapper/223:30:182
736499182,2cyclictest3993-21chrt21:51:121
736499182,1cyclictest16271-21mailstats21:15:221
736499182,15cyclictest265622sleep120:36:561
736499182,15cyclictest265622sleep120:36:561
736499182,15cyclictest2345-21tr19:55:191
736499182,15cyclictest0-21swapper/121:00:301
7364991816,1cyclictest7631-21pzem_current22:55:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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