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2026-05-15 - 06:51
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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 rack1slot1.osadl.org (updated Fri May 15, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76772212149,21sleep30-21swapper/319:07:563
76422206157,23sleep00-21swapper/019:07:290
77622204132,26sleep10-21swapper/119:09:031
76692200160,27sleep20-21swapper/219:07:522
244432650,0sleep00-21swapper/021:40:000
313362580,0sleep30-21swapper/321:48:523
7946991615,1cyclictest28-21ksoftirqd/223:00:132
74182130,0sleep20-21swapper/220:15:122
262882130,0sleep10-21swapper/122:25:111
150862130,0sleep10-21swapper/121:26:231
7946991211,1cyclictest28-21ksoftirqd/223:35:002
7946991210,1cyclictest28-21ksoftirqd/222:40:112
7946991210,1cyclictest28-21ksoftirqd/220:35:012
7946991210,1cyclictest28-21ksoftirqd/220:30:012
7946991210,1cyclictest28-21ksoftirqd/219:15:002
7929991210,1cyclictest9-21ksoftirqd/023:29:590
7946991111,0cyclictest28-21ksoftirqd/200:39:062
794699110,1cyclictest1197-21cstates21:10:142
795299100,6cyclictest28560-21apt-get21:00:123
794699109,1cyclictest28-21ksoftirqd/223:16:252
794699109,1cyclictest28-21ksoftirqd/222:50:172
794699109,1cyclictest28-21ksoftirqd/222:10:122
794699109,1cyclictest28-21ksoftirqd/221:46:262
794699108,1cyclictest28-21ksoftirqd/222:55:192
794699108,1cyclictest28-21ksoftirqd/222:55:192
794699108,1cyclictest28-21ksoftirqd/221:05:102
7946991010,0cyclictest28-21ksoftirqd/222:02:122
792999109,1cyclictest9-21ksoftirqd/020:20:000
792999100,5cyclictest21224-21awk23:00:190
79529997,1cyclictest22253-21apt-get22:20:103
79469999,0cyclictest28-21ksoftirqd/223:20:152
79469998,1cyclictest28-21ksoftirqd/223:06:492
79469998,1cyclictest28-21ksoftirqd/221:22:522
79469998,1cyclictest28-21ksoftirqd/220:40:132
79469998,1cyclictest28-21ksoftirqd/200:15:112
79469997,1cyclictest28-21ksoftirqd/223:45:202
79469997,1cyclictest28-21ksoftirqd/223:35:122
79469997,1cyclictest28-21ksoftirqd/222:30:182
79469997,1cyclictest28-21ksoftirqd/220:45:132
79469997,1cyclictest28-21ksoftirqd/219:35:002
79469997,1cyclictest28-21ksoftirqd/200:10:152
79469994,4cyclictest28-21ksoftirqd/200:00:012
79469990,3cyclictest603-21diskmemload21:25:132
79299997,1cyclictest583-21in:imuxsock19:19:140
79299990,1cyclictest240-21systemd-journal00:35:220
79529986,1cyclictest15489-21cat22:10:163
79529984,2cyclictest240-21systemd-journal22:20:003
79529981,4cyclictest0-21swapper/300:08:063
79529980,6cyclictest29439-21kworker/u8:000:27:073
79529980,5cyclictest603-21diskmemload22:07:433
79529980,5cyclictest603-21diskmemload22:07:433
79529980,5cyclictest20518-21runrttasks23:42:473
79529980,5cyclictest0-21swapper/321:55:113
79529980,4cyclictest0-21swapper/322:45:063
79529980,4cyclictest0-21swapper/322:38:563
79529980,3cyclictest0-21swapper/323:30:113
79529980,3cyclictest0-21swapper/320:30:103
79469988,0cyclictest9684-21apt-get20:20:102
79469988,0cyclictest28-21ksoftirqd/223:51:162
79469988,0cyclictest28-21ksoftirqd/220:05:202
79469988,0cyclictest28-21ksoftirqd/200:32:012
79469987,1cyclictest28-21ksoftirqd/223:25:142
79469987,1cyclictest28-21ksoftirqd/222:36:472
79469987,1cyclictest28-21ksoftirqd/222:20:412
79469987,1cyclictest28-21ksoftirqd/222:09:032
79469987,1cyclictest28-21ksoftirqd/222:09:032
79469987,1cyclictest28-21ksoftirqd/221:30:202
79469987,1cyclictest28-21ksoftirqd/221:18:022
79469987,1cyclictest28-21ksoftirqd/220:15:002
79469987,1cyclictest28-21ksoftirqd/219:50:142
79469987,1cyclictest28-21ksoftirqd/200:25:112
79469986,1cyclictest28-21ksoftirqd/223:10:012
79469986,1cyclictest28-21ksoftirqd/221:52:022
79469986,1cyclictest28-21ksoftirqd/221:40:092
79469986,1cyclictest28-21ksoftirqd/200:00:122
79469984,1cyclictest25988-21apt-get22:25:082
79469983,2cyclictest240-21systemd-journal19:15:002
79299982,1cyclictest15330-21ssh21:26:580
79299981,6cyclictest7806-21latency_hist00:10:000
79299981,6cyclictest0-21swapper/021:20:120
79299980,7cyclictest32765-21basename00:00:010
79299980,7cyclictest26801-21pmu-power23:50:190
79299980,7cyclictest19456-21ssh22:59:210
79299980,7cyclictest19456-21ssh22:59:200
79299980,7cyclictest14567-21ssh22:10:080
79299980,4cyclictest805-21date22:34:590
79299980,2cyclictest0-21swapper/021:00:120
79299980,1cyclictest603-21diskmemload22:35:170
79299980,1cyclictest20693-21ssh22:17:030
9592270,0sleep10-21swapper/123:29:111
79529975,1cyclictest15929-21ssh23:35:253
79529974,1cyclictest35-21ksoftirqd/319:54:453
79529973,3cyclictest7916-21cyclictest00:15:213
79529973,2cyclictest240-21systemd-journal22:30:003
79529973,2cyclictest240-21systemd-journal20:28:463
79529972,3cyclictest603-21diskmemload22:00:113
79529971,5cyclictest11169-21apt-get19:15:113
79529971,3cyclictest603-21diskmemload00:37:163
79529970,6cyclictest603-21diskmemload23:52:213
79529970,5cyclictest0-21swapper/323:46:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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