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2026-01-10 - 02:03
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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 Sat Jan 10, 2026 00:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93002205149,42sleep00-21swapper/019:09:420
90962203147,44sleep30-21swapper/319:07:033
91302200161,25sleep20-21swapper/219:07:302
92132198159,26sleep10-21swapper/119:08:341
95032620,1sleep32702-21diskmemload00:37:323
27272170,0sleep10-21swapper/121:10:001
232072170,1sleep121-21ksoftirqd/120:43:331
247272140,0sleep10-21swapper/123:35:181
9411991310,2cyclictest6784-21apt-get21:15:110
245832130,0sleep0101rcuc/022:15:150
941199129,2cyclictest31554-21awk21:45:000
941199129,2cyclictest11037-21ssh21:59:430
9411991210,2cyclictest32682-21grep19:55:150
9411991210,1cyclictest14765-21apt-get00:05:110
9442991110,1cyclictest35-21ksoftirqd/320:40:003
943099110,0cyclictest0-21swapper/222:17:472
943099108,1cyclictest28-21ksoftirqd/219:55:002
941199109,1cyclictest0-21swapper/023:59:170
941199108,2cyclictest11167-21ls19:10:190
941199107,2cyclictest22777-21ssh22:14:000
941199107,2cyclictest0-21swapper/023:05:110
941199106,3cyclictest707-21snmpd22:01:010
941199105,4cyclictest12420-21sed23:20:190
941199102,8cyclictest9-21ksoftirqd/023:29:470
941199102,8cyclictest9-21ksoftirqd/021:32:250
941199102,8cyclictest9-21ksoftirqd/000:35:010
941199102,0cyclictest9-21ksoftirqd/022:58:250
941199102,0cyclictest9-21ksoftirqd/022:42:350
941199102,0cyclictest9-21ksoftirqd/000:16:090
941199101,8cyclictest1982-21sendmail-mta22:30:470
941199101,1cyclictest17299-21ssh21:25:350
94429997,1cyclictest35-21ksoftirqd/320:35:003
94429990,7cyclictest26935-21kworker/u8:223:52:253
94429990,4cyclictest0-21swapper/319:15:003
94309998,1cyclictest28-21ksoftirqd/221:40:002
94309997,1cyclictest0-21swapper/221:55:162
94119998,1cyclictest16120-21grep22:05:130
94119997,2cyclictest0-21swapper/022:35:170
94119997,2cyclictest0-21swapper/022:25:120
94119997,1cyclictest12601-21needreboot20:20:150
94119996,3cyclictest0-21swapper/023:42:560
94119993,5cyclictest6568-21perf21:15:000
94119992,7cyclictest9-21ksoftirqd/023:45:090
94119992,7cyclictest9-21ksoftirqd/023:10:530
94119992,7cyclictest9-21ksoftirqd/023:02:570
94119992,7cyclictest9-21ksoftirqd/022:46:210
94119992,7cyclictest9-21ksoftirqd/022:20:090
94119992,7cyclictest9-21ksoftirqd/021:36:110
94119992,7cyclictest9-21ksoftirqd/020:56:470
94119992,7cyclictest9-21ksoftirqd/020:54:510
94119992,7cyclictest9-21ksoftirqd/019:53:190
94119992,7cyclictest9-21ksoftirqd/000:02:330
94119992,0cyclictest9-21ksoftirqd/023:15:270
94119992,0cyclictest9-21ksoftirqd/021:48:030
94119992,0cyclictest9-21ksoftirqd/021:22:130
94119992,0cyclictest9-21ksoftirqd/000:27:170
94429986,1cyclictest707-21snmpd22:51:453
94429986,1cyclictest707-21snmpd22:35:393
94429986,1cyclictest707-21snmpd22:06:143
94429986,1cyclictest707-21snmpd21:27:333
94429986,1cyclictest707-21snmpd19:48:573
94429980,5cyclictest6220-21sh21:52:463
94309987,1cyclictest7697-21cat00:35:142
94309986,1cyclictest707-21snmpd22:53:062
94309986,1cyclictest707-21snmpd22:26:292
94309986,1cyclictest707-21snmpd21:12:092
94309986,1cyclictest707-21snmpd20:55:502
94309986,1cyclictest707-21snmpd20:39:502
94309986,1cyclictest707-21snmpd20:34:292
94309986,1cyclictest707-21snmpd20:03:082
94309986,1cyclictest707-21snmpd00:24:532
94309986,1cyclictest707-21snmpd00:24:532
94309986,1cyclictest61650irq/122-eno123:15:192
94309986,1cyclictest61650irq/122-eno122:55:122
94309986,1cyclictest61650irq/122-eno122:49:392
94309984,2cyclictest240-21systemd-journal20:10:002
94149981,4cyclictest0-21swapper/119:15:151
94149980,5cyclictest0-21swapper/120:20:151
94149980,1cyclictest0-21swapper/123:50:101
94119987,1cyclictest0-21swapper/023:30:160
94119987,1cyclictest0-21swapper/019:40:090
94119982,6cyclictest9-21ksoftirqd/020:45:150
94119982,6cyclictest9-21ksoftirqd/020:25:230
94119982,6cyclictest9-21ksoftirqd/020:12:570
94119982,6cyclictest9-21ksoftirqd/000:30:050
94119981,7cyclictest9-21ksoftirqd/023:35:050
94119981,7cyclictest9-21ksoftirqd/019:36:410
94119980,8cyclictest9-21ksoftirqd/022:50:030
94119980,8cyclictest9-21ksoftirqd/021:50:070
94119980,8cyclictest9-21ksoftirqd/021:05:010
94119980,8cyclictest9-21ksoftirqd/021:00:230
94119980,8cyclictest9-21ksoftirqd/020:40:270
94119980,8cyclictest9-21ksoftirqd/020:35:210
94119980,8cyclictest9-21ksoftirqd/020:30:230
94119980,8cyclictest9-21ksoftirqd/020:15:210
94119980,8cyclictest9-21ksoftirqd/020:05:210
94119980,8cyclictest9-21ksoftirqd/019:45:210
94119980,8cyclictest9-21ksoftirqd/019:30:010
94119980,8cyclictest9-21ksoftirqd/019:25:040
94119980,8cyclictest9-21ksoftirqd/019:20:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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