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2026-01-01 - 11:51
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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 Thu Jan 01, 2026 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
144072227157,26sleep30-21swapper/319:07:593
124492217157,47sleep10-21swapper/119:05:031
142602210172,24sleep00-21swapper/019:06:030
142622203163,26sleep20-21swapper/219:06:052
31372700,0sleep00-21swapper/000:25:210
143412570,0sleep00-21swapper/023:40:000
14654991514,1cyclictest9-21ksoftirqd/019:15:010
229172140,0sleep10-21swapper/121:40:151
1466299140,13cyclictest0-21swapper/123:40:151
1467099130,12cyclictest0-21swapper/223:40:112
1466299130,12cyclictest0-21swapper/100:30:141
14654991311,1cyclictest9-21ksoftirqd/020:20:000
14670991210,1cyclictest554-21dbus-daemon00:40:002
1466299124,0cyclictest0-21swapper/121:07:031
1467899118,1cyclictest35-21ksoftirqd/323:05:003
1467099119,1cyclictest28-21ksoftirqd/223:40:002
1466299110,4cyclictest0-21swapper/123:10:261
1465499119,1cyclictest9-21ksoftirqd/023:30:000
14654991110,1cyclictest9-21ksoftirqd/022:05:000
14654991110,1cyclictest9-21ksoftirqd/021:05:000
1467899109,1cyclictest35-21ksoftirqd/321:15:003
1467099109,1cyclictest28-21ksoftirqd/223:00:002
1467099109,1cyclictest28-21ksoftirqd/200:05:002
1467099108,1cyclictest28-21ksoftirqd/221:20:162
1465499109,1cyclictest9-21ksoftirqd/020:50:000
1465499109,1cyclictest9-21ksoftirqd/020:15:000
1465499108,1cyclictest9-21ksoftirqd/019:45:000
146709998,1cyclictest28-21ksoftirqd/220:55:002
146709997,1cyclictest28-21ksoftirqd/222:00:152
146629995,0cyclictest0-21swapper/119:15:061
146549998,1cyclictest9-21ksoftirqd/023:00:000
146549998,1cyclictest9-21ksoftirqd/022:10:000
146789986,1cyclictest707-21snmpd23:50:023
146789986,1cyclictest707-21snmpd23:18:403
146789986,1cyclictest707-21snmpd23:08:523
146789986,1cyclictest707-21snmpd23:08:523
146789986,1cyclictest707-21snmpd22:12:563
146789986,1cyclictest707-21snmpd21:56:143
146789986,1cyclictest707-21snmpd19:46:163
146789986,1cyclictest707-21snmpd00:14:303
146789981,6cyclictest3885-21apt-get00:30:113
146709987,1cyclictest28-21ksoftirqd/219:10:132
146709986,1cyclictest707-21snmpd23:03:522
146709986,1cyclictest707-21snmpd22:09:382
146709986,1cyclictest707-21snmpd21:36:132
146709986,1cyclictest707-21snmpd19:51:282
146709986,1cyclictest28149-21apt-get20:45:112
146709986,1cyclictest28-21ksoftirqd/223:50:002
146709986,1cyclictest28-21ksoftirqd/222:55:002
146709986,1cyclictest28-21ksoftirqd/221:00:182
146709986,1cyclictest28-21ksoftirqd/220:50:142
146709986,1cyclictest28-21ksoftirqd/219:25:142
146629988,0cyclictest21-21ksoftirqd/123:50:221
146629981,1cyclictest0-21swapper/123:04:261
146549987,1cyclictest9-21ksoftirqd/023:45:000
146549987,1cyclictest9-21ksoftirqd/022:50:000
146549987,1cyclictest9-21ksoftirqd/021:21:160
146549987,1cyclictest9-21ksoftirqd/020:40:000
146549986,1cyclictest9-21ksoftirqd/022:35:000
146549986,1cyclictest9-21ksoftirqd/021:50:090
146549982,5cyclictest2806-21cat21:00:000
146549982,5cyclictest22287-21/usr/sbin/munin21:40:180
146549980,7cyclictest8090-21users22:15:210
146549980,7cyclictest2287-21grep19:50:110
146789976,1cyclictest707-21snmpd20:24:353
146789976,1cyclictest707-21snmpd19:25:333
146789976,1cyclictest35-21ksoftirqd/321:30:143
146789975,1cyclictest707-21snmpd21:26:403
146789975,1cyclictest707-21snmpd20:59:213
146789975,1cyclictest707-21snmpd20:04:163
146789975,1cyclictest707-21snmpd00:28:253
146789975,1cyclictest707-21snmpd00:09:123
146789975,1cyclictest707-21snmpd00:02:003
146789971,4cyclictest25529-21cron20:40:003
146709976,1cyclictest28-21ksoftirqd/223:20:132
146709976,1cyclictest28-21ksoftirqd/223:05:182
146709976,1cyclictest28-21ksoftirqd/223:05:182
146709975,1cyclictest707-21snmpd21:31:132
146709975,1cyclictest707-21snmpd20:40:142
146709975,1cyclictest707-21snmpd20:29:142
146709975,1cyclictest707-21snmpd20:15:072
146709975,1cyclictest28-21ksoftirqd/223:35:002
146709975,1cyclictest28-21ksoftirqd/221:10:202
146709975,1cyclictest28-21ksoftirqd/221:05:122
146709975,1cyclictest28-21ksoftirqd/220:10:162
146709975,1cyclictest28-21ksoftirqd/219:15:122
146709975,1cyclictest26106-21ntpq19:30:172
146709970,6cyclictest0-21swapper/219:55:162
146709970,1cyclictest0-21swapper/221:44:372
146629976,1cyclictest8746-21taskset20:04:031
146629971,6cyclictest0-21swapper/123:29:591
146629970,7cyclictest0-21swapper/119:50:151
146629970,6cyclictest0-21swapper/120:45:161
146629970,6cyclictest0-21swapper/100:35:071
146629970,6cyclictest0-21swapper/100:11:241
146629970,1cyclictest0-21swapper/120:35:441
146629970,0cyclictest0-21swapper/121:45:141
146549976,1cyclictest707-21snmpd22:25:570
146549976,1cyclictest707-21snmpd00:08:330
146549976,1cyclictest487-21cat19:45:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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