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2026-04-16 - 06:58
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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 rack1slot3.osadl.org (updated Thu Apr 16, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
417545799150,10cyclictest0-21swapper/321:40:113
417545799130,11cyclictest0-21swapper/320:35:113
4175457991211,0cyclictest0-21swapper/320:20:123
417545799120,11cyclictest0-21swapper/319:20:113
417545799120,11cyclictest0-21swapper/300:00:013
4175457991110,1cyclictest0-21swapper/322:25:103
417545799110,10cyclictest0-21swapper/321:30:183
417545799110,0cyclictest0-21swapper/323:15:123
417545799110,0cyclictest0-21swapper/300:00:103
4175457991010,0cyclictest0-21swapper/323:50:173
4175457991010,0cyclictest0-21swapper/323:05:133
4175457991010,0cyclictest0-21swapper/322:55:143
4175457991010,0cyclictest0-21swapper/321:50:113
4175457991010,0cyclictest0-21swapper/321:35:113
4175457991010,0cyclictest0-21swapper/319:25:183
4175457991010,0cyclictest0-21swapper/300:30:203
417545799100,9cyclictest0-21swapper/323:30:203
417545799100,9cyclictest0-21swapper/322:00:003
417545799100,10cyclictest0-21swapper/322:45:013
417545799100,0cyclictest0-21swapper/322:30:133
417545799100,0cyclictest0-21swapper/322:20:173
417545799100,0cyclictest0-21swapper/322:15:193
417545799100,0cyclictest0-21swapper/320:25:173
417545799100,0cyclictest0-21swapper/319:40:173
417545799100,0cyclictest0-21swapper/319:20:003
41754579999,0cyclictest0-21swapper/322:10:013
41754579999,0cyclictest0-21swapper/320:30:203
41754579999,0cyclictest0-21swapper/319:30:113
41754579999,0cyclictest0-21swapper/300:35:123
41754579999,0cyclictest0-21swapper/300:25:173
41754579999,0cyclictest0-21swapper/300:15:113
41754579999,0cyclictest0-21swapper/300:10:113
41754579998,0cyclictest0-21swapper/322:39:553
41754579998,0cyclictest0-21swapper/321:00:033
41754579990,9cyclictest0-21swapper/320:10:113
41754579990,8cyclictest0-21swapper/321:16:133
41754579990,0cyclictest0-21swapper/323:25:143
41754579988,0cyclictest0-21swapper/323:40:123
41754579988,0cyclictest0-21swapper/323:01:063
41754579988,0cyclictest0-21swapper/322:51:563
41754579988,0cyclictest0-21swapper/322:51:563
41754579988,0cyclictest0-21swapper/322:01:143
41754579988,0cyclictest0-21swapper/321:27:083
41754579988,0cyclictest0-21swapper/321:10:113
41754579988,0cyclictest0-21swapper/320:45:013
41754579988,0cyclictest0-21swapper/319:55:143
41754579980,7cyclictest0-21swapper/320:15:213
41754579977,0cyclictest0-21swapper/323:45:113
41754579977,0cyclictest0-21swapper/323:40:023
41754579977,0cyclictest0-21swapper/320:55:193
41754579977,0cyclictest0-21swapper/319:45:113
41754579966,0cyclictest0-21swapper/323:11:253
41754579966,0cyclictest0-21swapper/321:21:193
41754579966,0cyclictest0-21swapper/319:54:523
41754579966,0cyclictest0-21swapper/300:05:173
41754579965,0cyclictest0-21swapper/319:35:123
41754579965,0cyclictest0-21swapper/300:20:163
41754579960,5cyclictest0-21swapper/319:14:553
41754579960,0cyclictest0-21swapper/320:50:113
4173901261,3sleep30-21swapper/319:05:143
41754579955,0cyclictest0-21swapper/322:11:453
41754579954,0cyclictest0-21swapper/320:47:393
14039850,3rtkit-daemon4191150-21cat19:49:541
14039850,2rtkit-daemon35016-21apt-get21:25:121
14039850,2rtkit-daemon0-21swapper/119:06:421
14039850,0rtkit-daemon1402-21rtkit-daemon19:20:531
14039850,0rtkit-daemon0-21swapper/119:53:251
41754579944,0cyclictest0-21swapper/323:20:123
41754579944,0cyclictest0-21swapper/321:45:143
41754579943,0cyclictest0-21swapper/320:05:153
41754579940,3cyclictest0-21swapper/321:05:413
41754579940,2cyclictest0-21swapper/322:45:123
4173600242,1sleep20-21swapper/219:05:012
14039840,2rtkit-daemon78181-21vmstat23:05:201
14039840,2rtkit-daemon766-21snmpd20:27:181
14039840,2rtkit-daemon766-21snmpd20:15:081
14039840,2rtkit-daemon52957-21seq22:06:111
14039840,2rtkit-daemon440-21systemd-udevd00:07:581
14039840,2rtkit-daemon4177474-21munin-node23:44:171
14039840,2rtkit-daemon1-21systemd23:11:001
14039840,1rtkit-daemon3028-21apt-get20:05:011
14039840,1rtkit-daemon1-21systemd22:28:521
4185644230,1sleep14185670-21apt-get19:35:111
41754579930,2cyclictest1318-21chrt20:00:023
4173613231,1sleep00-21swapper/019:05:120
37433230,2sleep237522-21uname21:30:142
14039830,2rtkit-daemon772-21lldpd19:30:051
14039830,2rtkit-daemon766-21snmpd23:29:161
14039830,2rtkit-daemon7104-21latency_hist20:15:011
14039830,2rtkit-daemon440-21systemd-udevd21:17:581
14039830,2rtkit-daemon4177474-21munin-node00:00:181
14039830,2rtkit-daemon2117-21packagekitd00:15:121
14039830,2rtkit-daemon1410-21sendmail-mta19:40:281
14039830,1rtkit-daemon96987-21pool-udisksd23:50:421
14039830,1rtkit-daemon772-21lldpd22:20:531
14039830,1rtkit-daemon766-21snmpd22:56:341
14039830,1rtkit-daemon766-21snmpd21:03:181
14039830,1rtkit-daemon766-21snmpd20:48:141
14039830,1rtkit-daemon766-21snmpd20:24:561
14039830,1rtkit-daemon766-21snmpd00:32:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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