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2026-06-04 - 06:28
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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 Jun 04, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104292201161,26sleep20-21swapper/219:07:102
105092199162,24sleep00-21swapper/019:08:110
104202199159,26sleep30-21swapper/319:07:033
106022198160,25sleep10-21swapper/119:09:261
3073021140,1sleep21074999cyclictest20:10:142
275462640,1sleep30-21swapper/322:10:143
146532600,0sleep30-21swapper/319:20:013
10734991411,1cyclictest9-21ksoftirqd/022:20:000
1074999130,1cyclictest0-21swapper/221:35:192
10734991311,1cyclictest9-21ksoftirqd/020:50:000
1075899126,3cyclictest1029-21snmpd23:20:043
10749991211,1cyclictest28-21ksoftirqd/200:18:442
10749991210,1cyclictest18269-21fschecks_time19:30:102
10749991110,1cyclictest28-21ksoftirqd/221:00:002
1074999110,10cyclictest865-21cut23:45:122
1073499119,1cyclictest9-21ksoftirqd/023:30:150
1073499114,6cyclictest13135-21munin-node19:15:000
10734991110,1cyclictest9-21ksoftirqd/023:10:140
261882100,0sleep015033-21diskmemload22:08:110
179922100,0sleep10-21swapper/121:55:551
1074999109,1cyclictest28-21ksoftirqd/220:00:002
1074999100,8cyclictest20631-21apt-get19:40:082
1074999100,6cyclictest15033-21diskmemload23:35:142
1073499109,1cyclictest9-21ksoftirqd/021:35:000
1073499108,1cyclictest9-21ksoftirqd/023:45:130
1073499108,1cyclictest9-21ksoftirqd/020:20:060
1073499108,1cyclictest9-21ksoftirqd/019:50:080
10734991010,0cyclictest9-21ksoftirqd/023:05:150
1073499100,0cyclictest0-21swapper/021:16:160
8825290,0sleep30-21swapper/322:27:443
2677290,0sleep30-21swapper/323:45:393
107589996,1cyclictest35-21ksoftirqd/319:44:543
107589990,5cyclictest1982-21sendmail-mta22:52:253
107499999,0cyclictest0-21swapper/219:20:092
107499997,1cyclictest693-21runrttasks23:41:062
107499993,5cyclictest28-21ksoftirqd/219:40:002
107499990,8cyclictest23389-21idleruntime-cro19:50:002
107349998,1cyclictest9-21ksoftirqd/022:30:130
107349998,1cyclictest9-21ksoftirqd/022:30:000
107349998,1cyclictest9-21ksoftirqd/022:10:140
107349998,1cyclictest9-21ksoftirqd/000:35:130
107349998,1cyclictest9-21ksoftirqd/000:30:010
107349997,1cyclictest9-21ksoftirqd/021:55:000
107589987,1cyclictest21821-21sh23:30:003
107589987,1cyclictest15033-21diskmemload00:31:373
107589986,1cyclictest1029-21snmpd21:18:523
107589986,1cyclictest1029-21snmpd21:11:573
107589986,1cyclictest1029-21snmpd19:37:233
107589984,3cyclictest11211-21munin-run20:55:003
107589980,5cyclictest7102-21apt-get23:10:113
107499987,1cyclictest28-21ksoftirqd/221:27:392
107499986,1cyclictest61650irq/122-eno123:18:432
107499986,1cyclictest61650irq/122-eno122:45:132
107499986,1cyclictest61650irq/122-eno122:28:012
107499986,1cyclictest61650irq/122-eno121:13:352
107499986,1cyclictest61650irq/122-eno120:35:002
107499986,1cyclictest28-21ksoftirqd/221:05:002
107499986,1cyclictest14454-21sendmail-msp19:20:002
107499986,1cyclictest1029-21snmpd23:58:002
107499986,1cyclictest1029-21snmpd22:20:032
107499986,1cyclictest1029-21snmpd21:23:402
107499981,6cyclictest0-21swapper/223:31:032
107499980,5cyclictest0-21swapper/221:40:222
107499980,2cyclictest0-21swapper/220:40:072
107349987,1cyclictest9-21ksoftirqd/023:55:130
107349987,1cyclictest9-21ksoftirqd/022:35:130
107349987,1cyclictest9-21ksoftirqd/021:00:160
107349987,1cyclictest9-21ksoftirqd/020:45:000
107349987,1cyclictest9-21ksoftirqd/020:30:100
107349986,1cyclictest9-21ksoftirqd/022:50:140
107349986,1cyclictest9-21ksoftirqd/000:34:590
107349986,1cyclictest9-21ksoftirqd/000:05:140
107349986,1cyclictest20753-21ssh22:44:580
107349986,1cyclictest1029-21snmpd20:05:560
107349985,2cyclictest1291-21df21:35:130
107349985,1cyclictest0-21swapper/021:59:550
107349983,1cyclictest15283-21/usr/sbin/munin21:10:160
107349980,7cyclictest5093-21ssh22:23:140
107349980,7cyclictest28955-21df_inode22:55:120
107349980,5cyclictest11217-21apt-get20:55:010
20934270,0sleep10-21swapper/122:00:171
107589976,1cyclictest12799-21cat00:00:133
107589976,1cyclictest1029-21snmpd00:39:063
107589975,1cyclictest35-21ksoftirqd/322:46:453
107589975,1cyclictest16645-21ssh00:05:173
107589975,1cyclictest1029-21snmpd21:29:343
107589975,1cyclictest1029-21snmpd21:03:103
107589975,1cyclictest1029-21snmpd20:10:113
107589975,1cyclictest1029-21snmpd20:07:273
107589975,1cyclictest1029-21snmpd19:47:503
107589973,2cyclictest240-21systemd-journal19:20:003
107589972,1cyclictest1712-21/usr/sbin/munin21:35:173
107589971,2cyclictest0-21swapper/321:20:423
107589970,6cyclictest13403-21sshd23:17:393
107589970,5cyclictest28440-21apt-get22:55:103
107589970,4cyclictest5182-21users23:05:203
107589970,4cyclictest0-21swapper/322:22:313
107589970,4cyclictest0-21swapper/300:28:163
107589970,2cyclictest0-21swapper/322:35:593
107499977,0cyclictest0-21swapper/221:45:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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