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2026-08-02 - 05:05
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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 Aug 02, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146252236159,61sleep20-21swapper/219:09:032
145242214149,51sleep00-21swapper/019:07:440
143462208149,21sleep30-21swapper/319:05:263
146122201158,29sleep10-21swapper/119:08:541
83582630,0sleep20-21swapper/200:12:252
170892600,1sleep217091-21grep23:40:002
227072580,0sleep20-21swapper/219:25:012
217922160,0sleep00-21swapper/000:30:200
49812140,0sleep30-21swapper/319:55:123
1479499140,13cyclictest0-21swapper/221:20:152
14799991212,0cyclictest35-21ksoftirqd/323:20:153
1477399123,4cyclictest29250-21perf21:40:000
14799991110,1cyclictest35-21ksoftirqd/320:14:593
14794991110,1cyclictest28-21ksoftirqd/223:30:192
1477399119,1cyclictest9-21ksoftirqd/022:10:140
14773991110,1cyclictest9-21ksoftirqd/000:35:160
1479999109,1cyclictest35-21ksoftirqd/321:20:133
1479999108,1cyclictest35-21ksoftirqd/320:59:593
1479999100,7cyclictest7647-21diskmemload23:55:123
1477399109,1cyclictest9-21ksoftirqd/023:30:160
1477399109,1cyclictest9-21ksoftirqd/021:15:160
1477399109,1cyclictest9-21ksoftirqd/019:45:000
1477399109,1cyclictest9-21ksoftirqd/000:30:010
1477399108,1cyclictest9-21ksoftirqd/021:40:100
1477399100,9cyclictest11301-21snmpd23:50:550
147999999,0cyclictest35-21ksoftirqd/300:10:113
147999998,1cyclictest35-21ksoftirqd/320:40:013
147999998,1cyclictest35-21ksoftirqd/320:20:133
147999997,1cyclictest35-21ksoftirqd/321:45:003
147949990,9cyclictest0-21swapper/223:25:482
147949990,3cyclictest29197-21perf21:39:592
147739999,0cyclictest9-21ksoftirqd/023:35:160
147739999,0cyclictest9-21ksoftirqd/022:05:190
147739999,0cyclictest9-21ksoftirqd/021:30:130
147739999,0cyclictest9-21ksoftirqd/021:25:010
147739999,0cyclictest7647-21diskmemload23:10:420
147739998,1cyclictest9-21ksoftirqd/022:54:590
147739998,1cyclictest9-21ksoftirqd/022:35:150
147739998,1cyclictest9-21ksoftirqd/022:30:180
147739998,1cyclictest9-21ksoftirqd/000:05:180
147739998,1cyclictest101rcuc/022:20:160
147739998,0cyclictest7647-21diskmemload21:57:300
147739997,1cyclictest9-21ksoftirqd/023:00:140
147739997,1cyclictest9-21ksoftirqd/022:00:140
147739992,6cyclictest10316-21ssh22:45:000
9374280,1sleep20-21swapper/222:42:062
147999988,0cyclictest35-21ksoftirqd/323:25:133
147999988,0cyclictest35-21ksoftirqd/322:30:143
147999988,0cyclictest35-21ksoftirqd/321:15:203
147999988,0cyclictest35-21ksoftirqd/300:25:223
147999988,0cyclictest35-21ksoftirqd/300:20:123
147999988,0cyclictest35-21ksoftirqd/300:20:113
147999988,0cyclictest341rcuc/319:40:003
147999987,1cyclictest35-21ksoftirqd/321:05:003
147999986,1cyclictest18486-21cat22:55:153
147999986,1cyclictest14983-21cat22:50:163
147999986,1cyclictest11301-21snmpd22:11:443
147999986,1cyclictest11301-21snmpd22:08:363
147999986,1cyclictest11301-21snmpd20:06:573
147999986,1cyclictest11301-21snmpd19:44:253
147949988,0cyclictest0-21swapper/222:11:282
147949986,1cyclictest61650irq/122-eno123:15:152
147949986,1cyclictest61650irq/122-eno123:04:402
147949986,1cyclictest61650irq/122-eno122:39:592
147949986,1cyclictest61650irq/122-eno121:30:192
147949986,1cyclictest61650irq/122-eno100:35:202
147949986,1cyclictest28-21ksoftirqd/220:25:002
147949986,1cyclictest11301-21snmpd00:08:392
147949984,3cyclictest61650irq/122-eno123:55:462
147949983,3cyclictest2983-21apt-get23:20:142
147949981,2cyclictest10363-21sh21:58:302
147949980,0cyclictest0-21swapper/222:34:082
147829980,5cyclictest0-21swapper/122:55:111
147739987,1cyclictest9-21ksoftirqd/023:40:160
147739987,1cyclictest9-21ksoftirqd/023:40:150
147739987,1cyclictest9-21ksoftirqd/023:05:140
147739987,1cyclictest9-21ksoftirqd/022:15:150
147739987,1cyclictest9-21ksoftirqd/021:50:140
147739987,1cyclictest9-21ksoftirqd/000:25:010
147739987,1cyclictest9-21ksoftirqd/000:25:000
147739987,1cyclictest9-21ksoftirqd/000:00:160
147739986,1cyclictest1166-21mailstats19:45:190
147739986,1cyclictest11301-21snmpd19:19:430
147739981,1cyclictest6631-21ssh23:25:010
147739980,7cyclictest21073-21ssh21:27:080
147739980,4cyclictest27810-21apt-get23:55:120
147739980,1cyclictest0-21swapper/023:45:190
147999977,0cyclictest35-21ksoftirqd/323:05:223
147999976,1cyclictest35-21ksoftirqd/322:26:443
147999976,1cyclictest35-21ksoftirqd/321:45:153
147999976,1cyclictest35-21ksoftirqd/321:30:113
147999976,1cyclictest35-21ksoftirqd/321:05:143
147999976,1cyclictest35-21ksoftirqd/300:05:183
147999976,1cyclictest11301-21snmpd22:38:223
147999976,1cyclictest11301-21snmpd21:26:233
147999975,1cyclictest992-21ssh00:01:223
147999975,1cyclictest35-21ksoftirqd/321:40:003
147999975,1cyclictest11301-21snmpd23:19:123
147999975,1cyclictest11301-21snmpd19:45:563
147999975,1cyclictest11301-21snmpd19:20:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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