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2026-06-05 - 09:55
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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 Jun 05, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1763323470,7sleep017634-21fschecks_count19:05:140
188762229160,30sleep10-21swapper/119:05:441
189812218152,22sleep20-21swapper/219:07:062
189082203163,26sleep30-21swapper/319:06:103
296052590,0sleep30-21swapper/322:58:283
316442220,0sleep10-21swapper/121:34:431
19316991818,0cyclictest28-21ksoftirqd/223:55:142
19316991612,1cyclictest28-21ksoftirqd/221:12:232
19301991413,0cyclictest0-21swapper/022:45:120
19316991211,1cyclictest28-21ksoftirqd/222:56:522
19316991211,1cyclictest28-21ksoftirqd/222:05:002
19316991210,1cyclictest28-21ksoftirqd/200:00:122
1930199122,5cyclictest6849-21sed21:45:000
1931699119,1cyclictest28-21ksoftirqd/223:32:262
1931699119,1cyclictest28-21ksoftirqd/219:55:002
19316991110,1cyclictest28-21ksoftirqd/223:12:462
19308991111,0cyclictest0-21swapper/100:20:111
1930199111,5cyclictest30461-21perf20:40:000
1932199100,6cyclictest21512-21/usr/sbin/munin00:15:183
1931699109,1cyclictest28-21ksoftirqd/221:35:172
1931699109,1cyclictest28-21ksoftirqd/221:20:182
1931699109,1cyclictest28-21ksoftirqd/220:25:002
1931699109,1cyclictest28-21ksoftirqd/200:20:142
1931699108,1cyclictest28-21ksoftirqd/223:50:212
1931699108,1cyclictest28-21ksoftirqd/221:00:002
19316991010,0cyclictest28-21ksoftirqd/221:45:372
19316991010,0cyclictest28-21ksoftirqd/221:40:182
19316991010,0cyclictest28-21ksoftirqd/221:20:002
193169999,0cyclictest28-21ksoftirqd/223:36:202
193169998,1cyclictest28-21ksoftirqd/223:23:402
193169998,1cyclictest28-21ksoftirqd/222:25:142
193169998,1cyclictest28-21ksoftirqd/221:30:392
193169998,1cyclictest28-21ksoftirqd/220:10:092
193169998,1cyclictest28-21ksoftirqd/200:32:252
193169998,1cyclictest28-21ksoftirqd/200:13:022
193169997,1cyclictest28-21ksoftirqd/223:07:082
193169997,1cyclictest28-21ksoftirqd/221:58:132
193019998,1cyclictest9-21ksoftirqd/021:55:140
193019991,4cyclictest7473-21perf21:00:000
193219986,1cyclictest1029-21snmpd23:03:273
193219986,1cyclictest1029-21snmpd22:16:413
193219986,1cyclictest1029-21snmpd21:53:593
193219986,1cyclictest1029-21snmpd20:46:273
193219986,1cyclictest1029-21snmpd20:30:273
193219986,1cyclictest1029-21snmpd20:19:083
193219981,5cyclictest12346-21diskmemload21:20:223
193169988,0cyclictest28-21ksoftirqd/223:27:382
193169988,0cyclictest28-21ksoftirqd/222:39:002
193169988,0cyclictest28-21ksoftirqd/222:15:232
193169988,0cyclictest28-21ksoftirqd/221:29:442
193169988,0cyclictest28-21ksoftirqd/200:27:482
193169988,0cyclictest10528-21apt-get21:50:012
193169987,1cyclictest28-21ksoftirqd/223:42:112
193169987,1cyclictest28-21ksoftirqd/223:15:172
193169987,1cyclictest28-21ksoftirqd/223:01:402
193169987,1cyclictest28-21ksoftirqd/222:48:402
193169987,1cyclictest28-21ksoftirqd/222:30:112
193169987,1cyclictest28-21ksoftirqd/222:20:182
193169987,1cyclictest28-21ksoftirqd/222:05:152
193169987,1cyclictest28-21ksoftirqd/221:05:002
193169987,1cyclictest28-21ksoftirqd/221:05:002
193169987,1cyclictest28-21ksoftirqd/220:50:002
193169987,1cyclictest28-21ksoftirqd/219:15:132
193169987,1cyclictest28-21ksoftirqd/200:35:122
193169987,1cyclictest28-21ksoftirqd/200:05:332
193169986,1cyclictest61650irq/122-eno119:55:112
193169986,1cyclictest28-21ksoftirqd/222:40:122
193169986,1cyclictest28-21ksoftirqd/219:40:002
193169986,1cyclictest28-21ksoftirqd/200:15:142
193169980,8cyclictest0-21swapper/222:10:352
193169980,8cyclictest0-21swapper/219:30:182
193169980,0cyclictest0-21swapper/222:51:042
193089980,4cyclictest0-21swapper/100:10:101
193019986,1cyclictest9-21ksoftirqd/020:45:100
193019986,1cyclictest1747-21ntpd21:20:590
193019986,1cyclictest1747-21ntpd19:10:590
193019986,1cyclictest1029-21snmpd23:40:050
193019986,1cyclictest1029-21snmpd00:06:270
193019985,2cyclictest20735-21kworker/u8:022:35:130
193019984,2cyclictest240-21systemd-journal23:20:000
193019984,2cyclictest240-21systemd-journal23:12:080
193019984,2cyclictest240-21systemd-journal23:05:000
193019982,5cyclictest7657-21apt-get21:00:110
193019982,5cyclictest7657-21apt-get21:00:110
193019981,4cyclictest561-21nscd20:05:120
193019980,7cyclictest31745-21ssh00:28:260
193019980,2cyclictest20430-21apt-get23:30:110
10402280,1sleep30-21swapper/322:31:293
28889270,1sleep30-21swapper/300:25:123
193219976,1cyclictest4310-21cat21:40:163
193219976,1cyclictest35-21ksoftirqd/321:31:333
193219975,1cyclictest11779-21ssh23:17:153
193219975,1cyclictest1029-21snmpd23:05:463
193219975,1cyclictest1029-21snmpd22:44:303
193219975,1cyclictest1029-21snmpd22:25:423
193219975,1cyclictest1029-21snmpd22:20:383
193219975,1cyclictest1029-21snmpd20:00:263
193219975,1cyclictest1029-21snmpd20:00:263
193219975,1cyclictest1029-21snmpd00:21:483
193219974,1cyclictest13650irq/124-ahci[0020:14:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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