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2026-04-03 - 23:34
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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 Fri Apr 03, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
258516699140,12cyclictest0-21swapper/311:40:153
258516699130,11cyclictest0-21swapper/311:20:123
2585166991211,0cyclictest0-21swapper/310:25:013
258516699120,11cyclictest0-21swapper/310:05:023
258516699120,11cyclictest0-21swapper/308:30:113
2585166991111,0cyclictest0-21swapper/308:10:123
2585166991111,0cyclictest0-21swapper/307:40:013
2585166991110,0cyclictest0-21swapper/310:40:123
2585166991110,0cyclictest0-21swapper/308:50:173
2585166991110,0cyclictest0-21swapper/308:05:113
258516699110,8cyclictest0-21swapper/312:10:003
258516699110,10cyclictest0-21swapper/309:00:173
258516699110,0cyclictest0-21swapper/310:15:183
258516699110,0cyclictest0-21swapper/309:25:163
258516699109,0cyclictest0-21swapper/312:30:163
258516699109,0cyclictest0-21swapper/311:55:133
258516699109,0cyclictest0-21swapper/307:15:103
258516699108,1cyclictest0-21swapper/312:15:123
2585166991010,0cyclictest0-21swapper/311:45:113
2585166991010,0cyclictest0-21swapper/311:30:013
2585166991010,0cyclictest0-21swapper/310:45:193
2585166991010,0cyclictest0-21swapper/310:45:193
2585166991010,0cyclictest0-21swapper/310:25:123
2585166991010,0cyclictest0-21swapper/308:20:133
258516699100,9cyclictest0-21swapper/311:00:133
258516699100,9cyclictest0-21swapper/310:00:183
258516699100,10cyclictest0-21swapper/310:10:153
258516699100,0cyclictest0-21swapper/309:35:123
258516699100,0cyclictest0-21swapper/308:55:173
258516699100,0cyclictest0-21swapper/307:59:553
25851669999,0cyclictest0-21swapper/312:20:203
25851669999,0cyclictest0-21swapper/311:50:153
25851669999,0cyclictest0-21swapper/310:34:133
25851669999,0cyclictest0-21swapper/309:45:163
25851669999,0cyclictest0-21swapper/309:20:173
25851669999,0cyclictest0-21swapper/309:10:113
25851669998,0cyclictest0-21swapper/311:10:123
25851669998,0cyclictest0-21swapper/307:25:103
25851669990,8cyclictest0-21swapper/308:25:173
25851669990,0cyclictest0-21swapper/308:45:103
2583995291,5sleep30-21swapper/307:05:173
25851669988,0cyclictest0-21swapper/309:40:113
25851669988,0cyclictest0-21swapper/309:05:173
25851669988,0cyclictest0-21swapper/308:40:123
25851669988,0cyclictest0-21swapper/307:50:173
25851669988,0cyclictest0-21swapper/307:40:123
25851669988,0cyclictest0-21swapper/307:30:163
25851669987,0cyclictest0-21swapper/311:08:433
25851669987,0cyclictest0-21swapper/307:10:113
25851669980,0cyclictest0-21swapper/312:30:003
25851669977,0cyclictest0-21swapper/311:37:033
25851669977,0cyclictest0-21swapper/311:18:443
25851669977,0cyclictest0-21swapper/308:15:173
25851669977,0cyclictest0-21swapper/307:45:113
25851669970,0cyclictest0-21swapper/312:10:123
25851669966,0cyclictest0-21swapper/312:00:163
25851669965,0cyclictest0-21swapper/309:50:123
25851669965,0cyclictest0-21swapper/309:30:123
25851669965,0cyclictest0-21swapper/307:20:123
25851669960,0cyclictest0-21swapper/308:05:013
14039860,5rtkit-daemon766-21snmpd07:22:210
25851669955,0cyclictest0-21swapper/309:57:523
25851669954,0cyclictest0-21swapper/312:36:233
25851669954,0cyclictest0-21swapper/311:30:113
25851669954,0cyclictest0-21swapper/310:55:583
25851669954,0cyclictest0-21swapper/309:15:103
2583340251,2sleep20-21swapper/207:05:122
14039850,3rtkit-daemon2639911-21ps09:25:161
14039850,2rtkit-daemon1-21systemd07:05:070
2686085240,3sleep02686336-21/usr/sbin/munin11:15:180
2656017240,3sleep22656264-21diskstats10:05:162
2595360242,2sleep0766-21snmpd07:32:480
25851669944,0cyclictest0-21swapper/310:35:183
25851669944,0cyclictest0-21swapper/308:36:413
25851669940,2cyclictest0-21swapper/310:50:113
2583246240,2sleep12583339-21aten_r1power_fr07:05:111
14039840,2rtkit-daemon769-21ntpd10:33:171
14039840,2rtkit-daemon766-21snmpd12:26:061
14039840,2rtkit-daemon766-21snmpd10:25:261
14039840,2rtkit-daemon1-21systemd10:15:421
14039840,2rtkit-daemon1-21systemd10:03:091
14039840,2rtkit-daemon1-21systemd09:42:411
14039840,2rtkit-daemon1-21systemd07:10:220
14039840,0rtkit-daemon0-21swapper/108:40:201
2693548230,2sleep22693819-21df_inode11:35:132
2693395230,1sleep02693421-21apt-get11:35:110
2658688230,0sleep10-21swapper/110:10:191
2613699230,1sleep22613961-21df_inode08:20:132
14039830,2rtkit-daemon766-21snmpd08:30:281
14039830,2rtkit-daemon328-21plymouthd08:21:141
14039830,2rtkit-daemon328-21plymouthd07:44:170
14039830,2rtkit-daemon1410-21sendmail-mta10:36:091
14039830,2rtkit-daemon1410-21sendmail-mta08:00:130
14039830,2rtkit-daemon1-21systemd11:36:251
14039830,1rtkit-daemon769-21ntpd09:32:231
14039830,1rtkit-daemon766-21snmpd11:30:141
14039830,1rtkit-daemon766-21snmpd11:23:401
14039830,1rtkit-daemon691-21gmain10:20:561
14039830,1rtkit-daemon622-21wpa_supplicant09:45:031
14039830,1rtkit-daemon328-21plymouthd12:37:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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