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2025-12-28 - 05:54
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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 Sun Dec 28, 2025 00:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47902216160,43sleep20-21swapper/219:07:302
46422206142,50sleep00-21swapper/019:05:350
46582201157,30sleep10-21swapper/119:05:481
48062199159,26sleep30-21swapper/319:07:423
22202150,0sleep10-21swapper/121:15:211
5108991311,1cyclictest28-21ksoftirqd/221:00:002
5085991210,1cyclictest9-21ksoftirqd/023:30:010
510899119,1cyclictest28-21ksoftirqd/219:15:002
508599119,1cyclictest9-21ksoftirqd/000:35:010
510899109,1cyclictest28-21ksoftirqd/222:45:002
508599109,1cyclictest9-21ksoftirqd/023:10:000
508599109,1cyclictest9-21ksoftirqd/019:20:000
51159990,0cyclictest0-21swapper/300:30:123
51089998,1cyclictest28-21ksoftirqd/223:35:012
51089998,1cyclictest28-21ksoftirqd/223:30:012
51089998,1cyclictest28-21ksoftirqd/223:25:012
51089998,1cyclictest28-21ksoftirqd/221:45:012
51089998,1cyclictest28-21ksoftirqd/220:30:012
51089997,1cyclictest28-21ksoftirqd/223:45:162
51089993,5cyclictest1982-21sendmail-mta20:03:152
50979990,5cyclictest0-21swapper/100:20:111
50859998,1cyclictest9-21ksoftirqd/021:05:000
50859998,1cyclictest9-21ksoftirqd/020:55:130
50859998,1cyclictest9-21ksoftirqd/019:49:590
50859998,1cyclictest9-21ksoftirqd/000:15:000
50859997,1cyclictest9-21ksoftirqd/023:20:110
50859997,1cyclictest9-21ksoftirqd/020:15:000
50859997,1cyclictest9-21ksoftirqd/019:54:590
51159987,1cyclictest35-21ksoftirqd/322:04:593
51159987,1cyclictest35-21ksoftirqd/321:40:013
51159986,1cyclictest707-21snmpd23:15:183
51159986,1cyclictest707-21snmpd19:56:093
51159986,1cyclictest35-21ksoftirqd/300:20:103
51159983,4cyclictest15573-21latency_hist19:30:013
51089987,1cyclictest28-21ksoftirqd/223:10:002
51089987,1cyclictest28-21ksoftirqd/220:55:002
51089987,1cyclictest28-21ksoftirqd/220:40:012
51089987,1cyclictest28-21ksoftirqd/219:35:122
51089987,1cyclictest28-21ksoftirqd/219:20:012
51089987,1cyclictest28-21ksoftirqd/200:09:592
51089986,1cyclictest707-21snmpd22:28:452
51089986,1cyclictest707-21snmpd21:57:532
51089986,1cyclictest32725-21munin-plugin-st21:14:592
51089986,1cyclictest28-21ksoftirqd/222:05:002
51089986,1cyclictest28-21ksoftirqd/221:45:162
51089986,1cyclictest14043-21cat22:50:162
51089983,2cyclictest3405-21ls23:35:202
51089980,3cyclictest0-21swapper/200:15:112
50859988,0cyclictest9-21ksoftirqd/000:25:000
50859987,1cyclictest9-21ksoftirqd/021:45:010
50859987,1cyclictest9-21ksoftirqd/021:40:000
50859987,1cyclictest9-21ksoftirqd/021:20:160
50859986,1cyclictest9-21ksoftirqd/022:45:000
50859986,1cyclictest9-21ksoftirqd/021:50:000
50859986,1cyclictest707-21snmpd20:54:360
50859984,2cyclictest240-21systemd-journal19:35:010
50859983,1cyclictest26917-21ntp_states00:25:190
50859980,7cyclictest32600-21munin-run00:40:010
51159976,1cyclictest707-21snmpd23:35:533
51159976,1cyclictest707-21snmpd20:19:163
51159976,1cyclictest35-21ksoftirqd/323:50:003
51159975,1cyclictest707-21snmpd22:12:523
51159975,1cyclictest707-21snmpd21:44:013
51159975,1cyclictest707-21snmpd21:14:543
51159975,1cyclictest707-21snmpd21:02:543
51159975,1cyclictest707-21snmpd20:55:093
51159974,2cyclictest707-21snmpd21:22:523
51159971,2cyclictest5456-21apt-get19:10:003
51089976,1cyclictest61650irq/122-eno122:10:172
51089976,1cyclictest61650irq/122-eno121:15:132
51089976,1cyclictest28-21ksoftirqd/222:35:132
51089976,1cyclictest28-21ksoftirqd/221:00:142
51089976,1cyclictest28-21ksoftirqd/220:40:132
51089975,1cyclictest707-21snmpd23:44:322
51089975,1cyclictest707-21snmpd22:06:592
51089975,1cyclictest707-21snmpd20:34:292
51089975,1cyclictest707-21snmpd00:31:032
51089975,1cyclictest61650irq/122-eno122:20:242
51089975,1cyclictest61650irq/122-eno119:40:152
51089975,1cyclictest28-21ksoftirqd/222:35:012
51089975,1cyclictest28-21ksoftirqd/222:35:002
51089970,6cyclictest26378-21sed23:15:212
51089970,6cyclictest0-21swapper/219:53:172
51089970,1cyclictest0-21swapper/220:22:042
51089970,1cyclictest0-21swapper/220:10:172
51089970,0cyclictest0-21swapper/222:55:192
50979971,6cyclictest0-21swapper/119:46:091
50979971,1cyclictest0-21swapper/120:05:341
50979970,1cyclictest0-21swapper/120:47:551
50859976,1cyclictest9-21ksoftirqd/023:30:140
50859976,1cyclictest9-21ksoftirqd/022:50:140
50859976,1cyclictest9-21ksoftirqd/021:30:000
50859976,1cyclictest9-21ksoftirqd/020:40:010
50859976,1cyclictest707-21snmpd23:17:400
50859976,0cyclictest9-21ksoftirqd/022:00:000
50859975,1cyclictest9-21ksoftirqd/023:55:150
50859973,1cyclictest5266-21tune2fs20:15:150
50859972,4cyclictest0-21swapper/020:05:140
50859970,6cyclictest693-21runrttasks20:20:120
50859970,6cyclictest16917-21df20:40:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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