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2026-04-11 - 17:25
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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 Sat Apr 11, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232781799130,1cyclictest0-21swapper/307:55:133
232781799130,12cyclictest0-21swapper/311:40:113
232781799130,11cyclictest0-21swapper/310:25:143
232781799120,11cyclictest0-21swapper/312:00:163
232781799120,11cyclictest0-21swapper/309:40:233
232781799120,11cyclictest0-21swapper/308:05:133
232781799120,11cyclictest0-21swapper/307:44:563
2327817991111,0cyclictest0-21swapper/310:30:123
2327817991111,0cyclictest0-21swapper/309:45:173
2327817991110,0cyclictest0-21swapper/312:05:133
2327817991110,0cyclictest0-21swapper/308:30:123
232781799110,11cyclictest0-21swapper/311:05:133
232781799110,11cyclictest0-21swapper/310:00:213
232781799110,0cyclictest0-21swapper/310:20:013
232781799110,0cyclictest0-21swapper/309:55:183
232781799110,0cyclictest0-21swapper/308:50:193
232781799109,0cyclictest0-21swapper/308:10:123
2327817991010,0cyclictest0-21swapper/312:20:163
2327817991010,0cyclictest0-21swapper/311:55:123
2327817991010,0cyclictest0-21swapper/311:20:193
2327817991010,0cyclictest0-21swapper/310:20:003
2327817991010,0cyclictest0-21swapper/309:25:123
2327817991010,0cyclictest0-21swapper/309:20:173
2327817991010,0cyclictest0-21swapper/308:55:133
232781799100,9cyclictest0-21swapper/311:25:123
232781799100,10cyclictest0-21swapper/312:25:183
232781799100,0cyclictest0-21swapper/309:15:133
232781799100,0cyclictest0-21swapper/307:30:173
23278179999,0cyclictest0-21swapper/311:50:203
23278179999,0cyclictest0-21swapper/311:45:203
23278179999,0cyclictest0-21swapper/311:35:113
23278179999,0cyclictest0-21swapper/308:50:013
23278179999,0cyclictest0-21swapper/308:35:013
23278179998,0cyclictest0-21swapper/312:30:123
23278179998,0cyclictest0-21swapper/312:15:123
23278179998,0cyclictest0-21swapper/309:35:173
23278179990,8cyclictest0-21swapper/310:05:183
23278179990,0cyclictest0-21swapper/307:55:003
23278179988,0cyclictest0-21swapper/310:40:183
23278179988,0cyclictest0-21swapper/309:33:253
23278179988,0cyclictest0-21swapper/307:20:143
23278179988,0cyclictest0-21swapper/307:16:313
23278179980,7cyclictest0-21swapper/309:05:123
23278179980,7cyclictest0-21swapper/308:15:133
23278179980,0cyclictest0-21swapper/307:15:003
2327299281,1sleep00-21swapper/007:05:500
2325455281,4sleep30-21swapper/307:05:013
23278179977,0cyclictest0-21swapper/310:55:163
23278179977,0cyclictest0-21swapper/309:51:193
23278179977,0cyclictest0-21swapper/309:10:173
23278179977,0cyclictest0-21swapper/307:35:163
23278179970,6cyclictest0-21swapper/310:45:203
2327444272,1sleep10-21swapper/107:07:441
23278179966,0cyclictest0-21swapper/310:35:123
23278179966,0cyclictest0-21swapper/309:00:163
23278179966,0cyclictest0-21swapper/308:40:153
23278179965,0cyclictest0-21swapper/307:45:123
23278179964,1cyclictest0-21swapper/310:50:133
23278179961,2cyclictest0-21swapper/311:10:113
23278179960,6cyclictest0-21swapper/312:10:183
23278179960,6cyclictest0-21swapper/311:00:203
23278179960,6cyclictest0-21swapper/308:30:013
2368858254,1sleep02368892-21systemd-run08:55:010
23278179955,0cyclictest0-21swapper/311:30:143
23278179955,0cyclictest0-21swapper/308:24:563
23278179954,1cyclictest0-21swapper/312:35:223
23278179954,0cyclictest0-21swapper/307:29:073
2326678251,2sleep20-21swapper/207:05:162
14039850,2rtkit-daemon2383882-21/usr/sbin/munin09:30:150
2443621240,2sleep12443820-21sed11:50:211
2430757240,3sleep02430911-21ntp_states11:20:180
23278179944,0cyclictest0-21swapper/311:15:193
23278179944,0cyclictest0-21swapper/308:00:173
23278179943,0cyclictest0-21swapper/310:10:033
14039840,2rtkit-daemon772-21lldpd09:35:380
14039840,2rtkit-daemon766-21snmpd11:30:410
14039840,2rtkit-daemon766-21snmpd09:47:240
14039840,2rtkit-daemon766-21snmpd09:18:320
14039840,2rtkit-daemon2458699-21ssh12:26:330
14039840,2rtkit-daemon2406066-21ssh10:24:310
14039840,2rtkit-daemon2374880-21diskmemload12:06:450
14039840,2rtkit-daemon2374880-21diskmemload11:44:530
14039840,2rtkit-daemon2335135-21python307:25:190
14039840,1rtkit-daemon766-21snmpd11:52:310
14039840,1rtkit-daemon2374880-21diskmemload10:40:090
14039840,0rtkit-daemon2340534-21df_inode07:40:130
2420980230,2sleep02421433-21cmp11:00:000
2404314230,0sleep20-21swapper/210:20:132
2387329230,1sleep12387359-21apt-get09:40:131
2369809230,2sleep22369366-21/usr/sbin/munin08:55:152
2330319230,1sleep12330345-21apt-get07:15:121
14039830,2rtkit-daemon769-21ntpd10:00:200
14039830,2rtkit-daemon766-21snmpd12:01:320
14039830,1rtkit-daemon772-21lldpd10:34:250
14039830,1rtkit-daemon766-21snmpd10:16:120
14039830,1rtkit-daemon766-21snmpd08:15:560
14039830,1rtkit-daemon766-21snmpd07:38:020
14039830,1rtkit-daemon328-21plymouthd11:35:120
14039830,1rtkit-daemon328-21plymouthd08:35:140
14039830,1rtkit-daemon2459366-21apt-get12:30:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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