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2026-04-07 - 14:56
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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 Tue Apr 07, 2026 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
240414299130,12cyclictest0-21swapper/310:35:133
240414299130,11cyclictest0-21swapper/309:35:133
2404142991212,0cyclictest0-21swapper/308:35:013
240414299120,11cyclictest0-21swapper/310:05:113
240414299120,11cyclictest0-21swapper/309:00:113
240414299120,11cyclictest0-21swapper/308:15:133
240414299120,0cyclictest0-21swapper/311:35:113
2404142991110,0cyclictest0-21swapper/312:15:143
2404142991110,0cyclictest0-21swapper/311:15:133
2404142991110,0cyclictest0-21swapper/310:20:023
240414299110,8cyclictest0-21swapper/308:30:013
240414299110,1cyclictest0-21swapper/309:55:113
240414299110,10cyclictest0-21swapper/311:05:203
240414299110,10cyclictest0-21swapper/310:30:023
240414299110,10cyclictest0-21swapper/307:40:183
240414299110,0cyclictest0-21swapper/311:45:133
240414299110,0cyclictest0-21swapper/307:50:123
240414299110,0cyclictest0-21swapper/307:25:013
240414299109,0cyclictest0-21swapper/312:38:293
240414299109,0cyclictest0-21swapper/311:20:163
240414299109,0cyclictest0-21swapper/310:45:213
240414299109,0cyclictest0-21swapper/309:52:423
240414299106,0cyclictest0-21swapper/312:20:123
2404142991010,0cyclictest0-21swapper/310:55:143
2404142991010,0cyclictest0-21swapper/310:35:023
2404142991010,0cyclictest0-21swapper/309:29:563
2404142991010,0cyclictest0-21swapper/307:36:573
2404142991010,0cyclictest0-21swapper/307:30:173
240414299100,0cyclictest0-21swapper/312:30:013
240414299100,0cyclictest0-21swapper/312:10:003
240414299100,0cyclictest0-21swapper/312:00:003
240414299100,0cyclictest0-21swapper/310:20:113
24041429999,0cyclictest0-21swapper/309:40:033
24041429999,0cyclictest0-21swapper/309:15:113
24041429999,0cyclictest0-21swapper/308:55:113
24041429998,0cyclictest0-21swapper/310:50:143
24041429990,0cyclictest0-21swapper/308:10:003
24041429988,0cyclictest0-21swapper/312:10:123
24041429988,0cyclictest0-21swapper/310:40:183
24041429988,0cyclictest0-21swapper/310:03:163
24041429988,0cyclictest0-21swapper/309:20:133
24041429988,0cyclictest0-21swapper/309:10:183
24041429988,0cyclictest0-21swapper/309:10:013
24041429988,0cyclictest0-21swapper/308:49:563
24041429988,0cyclictest0-21swapper/308:41:393
24041429987,0cyclictest0-21swapper/311:02:153
24041429980,0cyclictest0-21swapper/309:45:133
2402446281,4sleep30-21swapper/307:05:133
24041429977,0cyclictest0-21swapper/311:50:133
24041429977,0cyclictest0-21swapper/309:30:193
24041429977,0cyclictest0-21swapper/308:05:013
24041429976,0cyclictest0-21swapper/311:29:353
24041429970,7cyclictest0-21swapper/308:20:183
24041429970,7cyclictest0-21swapper/308:00:193
24041429970,0cyclictest0-21swapper/307:15:003
24041429966,0cyclictest0-21swapper/311:40:003
24041429960,6cyclictest0-21swapper/311:10:173
24041429960,6cyclictest0-21swapper/308:50:163
14039860,2rtkit-daemon328-21plymouthd07:05:170
24041429955,0cyclictest0-21swapper/312:32:003
24041429955,0cyclictest0-21swapper/312:03:443
24041429955,0cyclictest0-21swapper/310:10:023
24041429955,0cyclictest0-21swapper/308:35:143
24041429955,0cyclictest0-21swapper/307:46:153
24041429955,0cyclictest0-21swapper/307:25:143
24041429955,0cyclictest0-21swapper/307:11:113
24041429950,5cyclictest0-21swapper/311:30:183
24041429940,2cyclictest0-21swapper/307:55:093
2402929241,1sleep20-21swapper/207:05:162
2402307240,4sleep10-21swapper/107:05:061
14039840,2rtkit-daemon769-21ntpd12:06:202
14039840,2rtkit-daemon2492538-21cstates10:45:152
14039840,2rtkit-daemon1-21systemd10:18:332
14039840,1rtkit-daemon622-21wpa_supplicant07:17:040
14039840,1rtkit-daemon2494226-21apt-get10:50:112
14039840,1rtkit-daemon1-21systemd09:11:282
14039830,2rtkit-daemon769-21ntpd08:22:132
14039830,2rtkit-daemon1-21systemd11:51:242
14039830,2rtkit-daemon1-21systemd11:32:452
14039830,1rtkit-daemon769-21ntpd12:35:122
14039830,1rtkit-daemon769-21ntpd12:32:512
14039830,1rtkit-daemon769-21ntpd08:25:482
14039830,1rtkit-daemon766-21snmpd07:23:410
14039830,1rtkit-daemon691-21gmain11:22:022
14039830,1rtkit-daemon691-21gmain10:32:422
14039830,1rtkit-daemon622-21wpa_supplicant09:17:002
14039830,1rtkit-daemon328-21plymouthd12:27:002
14039830,1rtkit-daemon328-21plymouthd12:01:592
14039830,1rtkit-daemon328-21plymouthd11:06:552
14039830,1rtkit-daemon328-21plymouthd10:00:312
14039830,1rtkit-daemon328-21plymouthd09:35:192
14039830,1rtkit-daemon328-21plymouthd08:45:142
14039830,1rtkit-daemon328-21plymouthd07:10:150
14039830,1rtkit-daemon2510114-21users11:25:212
14039830,1rtkit-daemon2496708-21df10:55:162
14039830,1rtkit-daemon2466577-21ssh09:42:552
14039830,1rtkit-daemon2406162-21munin-node12:16:312
14039830,1rtkit-daemon2406162-21munin-node09:58:422
14039830,1rtkit-daemon2406162-21munin-node09:30:452
14039830,1rtkit-daemon2406162-21munin-node07:30:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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