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2026-01-02 - 20:53
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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 Jan 02, 2026 12:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147442209170,25sleep30-21swapper/307:06:503
149172202164,24sleep00-21swapper/007:09:040
128762197159,25sleep20-21swapper/207:05:032
128752197158,26sleep10-21swapper/107:05:031
231072170,0sleep00-21swapper/008:30:170
197892170,0sleep10-21swapper/107:15:211
298332160,0sleep00-21swapper/012:10:150
15090991311,1cyclictest35-21ksoftirqd/307:49:593
1507699134,4cyclictest16902-21perf11:45:000
1509099110,4cyclictest24292-21apt-get08:35:083
1507699119,1cyclictest9-21ksoftirqd/012:35:010
1507699119,1cyclictest9-21ksoftirqd/012:35:000
1507699119,1cyclictest9-21ksoftirqd/011:25:010
15076991110,1cyclictest9-21ksoftirqd/010:49:590
1507699109,1cyclictest101rcuc/008:44:590
1507699108,1cyclictest9-21ksoftirqd/009:20:000
1507699108,1cyclictest9-21ksoftirqd/007:45:170
1507699100,0cyclictest0-21swapper/008:50:560
150909990,4cyclictest2131-21apt-get10:05:113
150819998,1cyclictest28-21ksoftirqd/211:51:432
150819991,6cyclictest548-21systemd-logind11:40:192
150769998,0cyclictest9-21ksoftirqd/009:50:130
150769997,1cyclictest9-21ksoftirqd/010:45:000
150769996,1cyclictest9-21ksoftirqd/009:10:000
150909986,1cyclictest707-21snmpd11:39:293
150909986,1cyclictest707-21snmpd10:56:093
150909986,1cyclictest707-21snmpd09:15:083
150909986,1cyclictest707-21snmpd08:50:153
150909986,1cyclictest707-21snmpd07:37:463
150909986,1cyclictest35-21ksoftirqd/308:49:593
150909981,4cyclictest16579-21apt-get08:20:013
150909980,4cyclictest0-21swapper/311:00:103
150819987,1cyclictest28-21ksoftirqd/209:20:102
150819986,1cyclictest707-21snmpd12:06:482
150819986,1cyclictest707-21snmpd11:47:082
150819986,1cyclictest707-21snmpd11:08:272
150819986,1cyclictest707-21snmpd10:32:242
150769987,1cyclictest9-21ksoftirqd/007:25:000
150769986,1cyclictest9-21ksoftirqd/011:20:010
150769986,1cyclictest9-21ksoftirqd/008:20:150
150769986,1cyclictest9-21ksoftirqd/008:05:000
150769986,1cyclictest707-21snmpd11:07:450
150769986,1cyclictest707-21snmpd09:23:040
150769986,1cyclictest707-21snmpd07:15:480
150769984,0cyclictest0-21swapper/010:26:110
150769981,6cyclictest0-21swapper/009:56:090
150769981,1cyclictest0-21swapper/008:08:560
150769980,1cyclictest0-21swapper/008:25:110
150769980,1cyclictest0-21swapper/008:25:110
150909976,1cyclictest35-21ksoftirqd/311:49:593
150909976,1cyclictest35-21ksoftirqd/310:45:013
150909975,1cyclictest707-21snmpd12:05:533
150909975,1cyclictest707-21snmpd11:58:173
150909975,1cyclictest707-21snmpd11:20:043
150909975,1cyclictest707-21snmpd11:10:213
150909975,1cyclictest707-21snmpd10:54:043
150909975,1cyclictest707-21snmpd10:23:563
150909975,1cyclictest707-21snmpd09:31:293
150909975,1cyclictest707-21snmpd09:27:083
150909975,1cyclictest707-21snmpd09:24:143
150909975,1cyclictest707-21snmpd08:40:333
150909975,1cyclictest22355-21ntpq10:45:183
150909975,1cyclictest22316-21sshd09:37:433
150909975,1cyclictest16166-21cat07:10:163
150909974,1cyclictest548-21systemd-logind09:55:193
150909974,1cyclictest548-21systemd-logind09:40:193
150909973,2cyclictest548-21systemd-logind11:30:203
150909973,2cyclictest548-21systemd-logind11:30:203
150909971,4cyclictest32195-21apt-get10:00:093
150819976,1cyclictest707-21snmpd12:18:082
150819976,1cyclictest707-21snmpd12:14:292
150819976,1cyclictest61650irq/122-eno111:00:102
150819976,1cyclictest61650irq/122-eno110:45:002
150819976,1cyclictest61650irq/122-eno109:10:132
150819976,1cyclictest61650irq/122-eno108:14:552
150819976,1cyclictest28-21ksoftirqd/208:20:002
150819976,0cyclictest61650irq/122-eno108:15:152
150819975,1cyclictest707-21snmpd12:21:382
150819975,1cyclictest61650irq/122-eno109:00:152
150819975,1cyclictest61650irq/122-eno108:50:002
150819975,1cyclictest61650irq/122-eno108:00:172
150819975,1cyclictest61650irq/122-eno107:25:182
150819975,1cyclictest26664-21/usr/sbin/munin08:40:182
150819973,2cyclictest240-21systemd-journal12:34:562
150819973,2cyclictest240-21systemd-journal12:34:552
150819972,3cyclictest27471-21apt-get09:50:112
150819971,6cyclictest0-21swapper/210:00:032
150819970,5cyclictest0-21swapper/212:36:102
150819970,4cyclictest0-21swapper/207:55:102
150819970,1cyclictest0-21swapper/211:33:162
150819970,1cyclictest0-21swapper/211:33:162
150819970,1cyclictest0-21swapper/209:16:582
150819970,1cyclictest0-21swapper/207:23:192
150789976,1cyclictest0-21swapper/111:32:011
150789976,1cyclictest0-21swapper/111:32:011
150789971,6cyclictest0-21swapper/109:50:291
150789970,6cyclictest0-21swapper/110:41:251
150789970,1cyclictest0-21swapper/110:23:501
150789970,1cyclictest0-21swapper/109:09:431
150769977,0cyclictest9-21ksoftirqd/008:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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