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2026-04-15 - 22:39
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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 rack1slot3.osadl.org (updated Wed Apr 15, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2110641991411,2cyclictest0-21swapper/311:40:023
2110641991210,1cyclictest0-21swapper/310:40:133
211064199120,1cyclictest0-21swapper/311:50:123
211064199120,11cyclictest0-21swapper/312:10:123
211064199120,11cyclictest0-21swapper/311:15:103
211064199120,11cyclictest0-21swapper/309:20:163
211064199120,11cyclictest0-21swapper/308:45:113
211064199120,11cyclictest0-21swapper/307:45:133
211064199120,0cyclictest0-21swapper/310:35:133
2110641991111,0cyclictest0-21swapper/311:44:563
2110641991110,0cyclictest0-21swapper/309:45:153
211064199110,10cyclictest0-21swapper/310:55:113
211064199110,10cyclictest0-21swapper/309:10:183
211064199110,10cyclictest0-21swapper/309:05:003
211064199110,10cyclictest0-21swapper/308:50:123
211064199110,0cyclictest0-21swapper/309:55:183
211064199110,0cyclictest0-21swapper/307:25:113
211064199110,0cyclictest0-21swapper/307:10:013
211064199109,0cyclictest0-21swapper/312:07:133
211064199104,5cyclictest0-21swapper/308:10:113
2110641991010,0cyclictest0-21swapper/312:26:263
2110641991010,0cyclictest0-21swapper/309:35:003
2110641991010,0cyclictest0-21swapper/308:20:013
211064199100,9cyclictest0-21swapper/310:20:163
211064199100,9cyclictest0-21swapper/308:25:013
211064199100,10cyclictest0-21swapper/307:35:013
211064199100,0cyclictest0-21swapper/312:40:013
211064199100,0cyclictest0-21swapper/312:35:013
211064199100,0cyclictest0-21swapper/307:50:103
21106419999,0cyclictest0-21swapper/312:15:183
21106419999,0cyclictest0-21swapper/311:10:213
21106419999,0cyclictest0-21swapper/310:30:173
21106419999,0cyclictest0-21swapper/309:35:113
21106419999,0cyclictest0-21swapper/308:05:173
21106419999,0cyclictest0-21swapper/307:55:133
21106419998,0cyclictest0-21swapper/308:30:123
2108249291,5sleep30-21swapper/307:05:013
21106419988,0cyclictest0-21swapper/311:25:173
21106419988,0cyclictest0-21swapper/311:20:123
21106419988,0cyclictest0-21swapper/309:50:123
21106419988,0cyclictest0-21swapper/309:19:123
21106419988,0cyclictest0-21swapper/307:20:113
21106419988,0cyclictest0-21swapper/307:15:013
21106419980,8cyclictest0-21swapper/309:06:113
21106419980,7cyclictest0-21swapper/311:45:153
21106419980,0cyclictest0-21swapper/307:35:353
21106419977,0cyclictest0-21swapper/311:05:123
21106419977,0cyclictest0-21swapper/307:40:183
21106419966,0cyclictest0-21swapper/311:55:073
21106419966,0cyclictest0-21swapper/310:53:253
21106419966,0cyclictest0-21swapper/310:00:123
21106419966,0cyclictest0-21swapper/309:25:113
21106419966,0cyclictest0-21swapper/308:35:113
21106419955,0cyclictest0-21swapper/310:10:163
21106419955,0cyclictest0-21swapper/309:42:273
21106419955,0cyclictest0-21swapper/309:00:003
21106419954,0cyclictest0-21swapper/312:00:173
21106419954,0cyclictest0-21swapper/311:31:323
21106419950,3cyclictest0-21swapper/308:25:103
14039850,2rtkit-daemon1-21systemd07:05:540
2233548241,1sleep12233574-21apt-get12:10:101
2146428240,2sleep02146456-21apt-get08:40:120
21106419944,0cyclictest0-21swapper/311:01:403
21106419944,0cyclictest0-21swapper/310:47:123
21106419944,0cyclictest0-21swapper/310:17:523
21106419940,3cyclictest2237799-21chrt12:20:123
21106419940,3cyclictest2180804-21chrt10:05:033
21106419940,2cyclictest0-21swapper/308:40:133
2110199242,1sleep10-21swapper/107:07:111
14039840,2rtkit-daemon766-21snmpd10:21:170
14039840,2rtkit-daemon2239598-21sleep12:29:560
14039840,2rtkit-daemon2157942-21diskmemload11:18:370
14039840,2rtkit-daemon2112878-21munin-node10:00:130
14039840,2rtkit-daemon2112878-21munin-node07:15:040
14039840,2rtkit-daemon1-21systemd11:46:540
2212415230,1sleep12212441-21apt-get11:20:111
2200676230,1sleep12200848-21python310:50:171
2157933231,1sleep22157949-21munin-run09:10:002
21106419933,0cyclictest0-21swapper/310:25:013
21106419930,1cyclictest0-21swapper/308:00:133
21106419930,1cyclictest0-21swapper/308:00:123
2110058231,1sleep20-21swapper/207:05:202
14039830,2rtkit-daemon2112878-21munin-node11:38:130
14039830,2rtkit-daemon2112878-21munin-node09:37:440
14039830,2rtkit-daemon1-21systemd11:06:000
14039830,1rtkit-daemon769-21ntpd12:22:410
14039830,1rtkit-daemon769-21ntpd11:50:110
14039830,1rtkit-daemon769-21ntpd10:09:350
14039830,1rtkit-daemon766-21snmpd12:06:230
14039830,1rtkit-daemon766-21snmpd11:55:080
14039830,1rtkit-daemon766-21snmpd09:21:130
14039830,1rtkit-daemon766-21snmpd08:25:140
14039830,1rtkit-daemon691-21gmain09:12:070
14039830,1rtkit-daemon418-21systemd-journal08:00:120
14039830,1rtkit-daemon418-21systemd-journal08:00:120
14039830,1rtkit-daemon328-21plymouthd11:43:180
14039830,1rtkit-daemon328-21plymouthd09:25:190
14039830,1rtkit-daemon2190038-21ps10:25:170
14039830,1rtkit-daemon2157942-21diskmemload12:01:320
14039830,1rtkit-daemon2157942-21diskmemload11:02:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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