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2026-08-24 - 06:09
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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 Mon Aug 24, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287142236161,25sleep00-21swapper/019:07:360
287422211151,22sleep30-21swapper/319:07:593
286112200161,26sleep10-21swapper/119:06:161
286272199162,24sleep20-21swapper/219:06:292
257522610,0sleep10-21swapper/121:15:001
126582600,0sleep20-21swapper/222:25:422
177132540,2sleep32900399cyclictest22:35:043
126132180,1sleep02898299cyclictest23:13:380
2899099140,1cyclictest0-21swapper/220:55:142
28990991311,1cyclictest28-21ksoftirqd/220:10:002
28982991210,1cyclictest9-21ksoftirqd/020:30:000
28982991210,1cyclictest9-21ksoftirqd/020:30:000
29003991110,1cyclictest35-21ksoftirqd/321:40:173
29003991110,1cyclictest35-21ksoftirqd/319:40:003
29003991110,1cyclictest35-21ksoftirqd/319:30:003
29003991110,0cyclictest35-21ksoftirqd/321:15:143
2899099119,1cyclictest9244-21grep19:35:002
28982991110,1cyclictest9-21ksoftirqd/000:40:010
2900399109,1cyclictest35-21ksoftirqd/323:10:143
2900399109,1cyclictest35-21ksoftirqd/322:50:093
2900399109,1cyclictest35-21ksoftirqd/320:40:003
2900399109,1cyclictest35-21ksoftirqd/320:00:003
2900399108,1cyclictest35-21ksoftirqd/322:05:003
29003991010,0cyclictest35-21ksoftirqd/300:15:163
28990991010,0cyclictest28-21ksoftirqd/222:53:442
2898299109,1cyclictest9-21ksoftirqd/022:30:000
2898299109,1cyclictest9-21ksoftirqd/000:10:140
290039999,0cyclictest35-21ksoftirqd/323:05:143
290039999,0cyclictest35-21ksoftirqd/321:25:203
290039999,0cyclictest35-21ksoftirqd/321:25:203
290039998,1cyclictest35-21ksoftirqd/323:35:003
290039998,1cyclictest35-21ksoftirqd/319:55:003
290039998,1cyclictest35-21ksoftirqd/300:04:573
290039998,1cyclictest35-21ksoftirqd/300:00:003
290039997,1cyclictest35-21ksoftirqd/320:55:003
290039990,6cyclictest20016-1kworker/u9:123:28:113
289909990,0cyclictest0-21swapper/220:43:272
289829998,1cyclictest9-21ksoftirqd/023:50:000
289829998,1cyclictest9-21ksoftirqd/022:33:170
289829998,1cyclictest9-21ksoftirqd/021:25:000
289829997,1cyclictest9-21ksoftirqd/021:15:000
289829994,2cyclictest240-21systemd-journal19:55:000
290039988,0cyclictest35-21ksoftirqd/322:30:133
290039988,0cyclictest35-21ksoftirqd/322:15:133
290039987,1cyclictest35-21ksoftirqd/321:35:203
290039987,1cyclictest35-21ksoftirqd/321:20:213
290039986,1cyclictest35-21ksoftirqd/320:45:003
290039986,1cyclictest11301-21snmpd21:14:093
290039981,6cyclictest0-21swapper/300:05:123
289909986,1cyclictest11301-21snmpd20:24:202
289909986,1cyclictest11301-21snmpd19:17:422
289909980,6cyclictest61650irq/122-eno123:18:432
289859980,5cyclictest0-21swapper/123:55:121
289859980,4cyclictest0-21swapper/100:10:181
289829988,0cyclictest9-21ksoftirqd/019:45:000
289829988,0cyclictest26099-21kworker/u8:221:34:250
289829987,1cyclictest9-21ksoftirqd/022:40:130
289829987,1cyclictest9-21ksoftirqd/022:15:000
289829987,1cyclictest9-21ksoftirqd/022:00:000
289829987,1cyclictest9-21ksoftirqd/021:45:000
289829986,1cyclictest11301-21snmpd23:30:100
289829986,1cyclictest11301-21snmpd21:51:550
289829981,6cyclictest938-21ssh22:55:230
289829981,6cyclictest10729-21ssh23:55:190
289829980,4cyclictest561-21nscd23:38:050
290039977,0cyclictest35-21ksoftirqd/323:50:003
290039977,0cyclictest35-21ksoftirqd/321:45:173
290039976,1cyclictest35-21ksoftirqd/323:45:013
290039976,1cyclictest35-21ksoftirqd/323:40:013
290039976,1cyclictest35-21ksoftirqd/322:40:163
290039976,1cyclictest35-21ksoftirqd/322:25:003
290039976,1cyclictest35-21ksoftirqd/320:50:003
290039976,1cyclictest35-21ksoftirqd/319:10:123
290039976,1cyclictest1155-21cat22:10:153
290039976,0cyclictest35-21ksoftirqd/319:20:153
290039975,1cyclictest11301-21snmpd20:57:273
290039975,1cyclictest11301-21snmpd19:30:573
290039971,3cyclictest22243-21diskmemload23:18:363
290039971,3cyclictest22243-21diskmemload00:12:523
290039970,5cyclictest22243-21diskmemload23:24:403
290039970,4cyclictest0-21swapper/321:33:413
289909976,1cyclictest61650irq/122-eno122:38:102
289909976,1cyclictest61650irq/122-eno122:13:332
289909976,1cyclictest61650irq/122-eno121:32:432
289909976,1cyclictest61650irq/122-eno100:03:192
289909976,1cyclictest291692sleep200:21:302
289909976,1cyclictest28-21ksoftirqd/220:00:002
289909976,1cyclictest20986-21fschecks_time23:25:122
289909975,1cyclictest61650irq/122-eno123:55:192
289909975,1cyclictest61650irq/122-eno121:25:182
289909975,1cyclictest61650irq/122-eno121:25:182
289909975,1cyclictest61650irq/122-eno100:15:152
289909975,1cyclictest11301-21snmpd00:05:592
289909973,2cyclictest240-21systemd-journal23:45:002
289909973,2cyclictest240-21systemd-journal00:30:002
289909973,2cyclictest0-21swapper/220:45:122
289909973,1cyclictest61650irq/122-eno100:11:522
289909971,6cyclictest0-21swapper/220:37:562
289909971,5cyclictest22163-21apt-get21:55:122
289909970,1cyclictest2590-21runrttasks20:25:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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