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2025-12-25 - 15:56
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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 Dec 25, 2025 12:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
52342209172,24sleep10-21swapper/107:05:571
34412204165,26sleep30-21swapper/307:05:103
54142202161,27sleep20-21swapper/207:08:182
53052196157,25sleep00-21swapper/007:06:510
562699130,12cyclictest0-21swapper/012:15:110
5644991211,1cyclictest35-21ksoftirqd/311:30:003
563299120,12cyclictest0-21swapper/108:00:131
5626991211,1cyclictest9-21ksoftirqd/011:45:010
5626991210,1cyclictest9-21ksoftirqd/011:40:000
291452120,0sleep10-21swapper/109:05:111
5644991110,1cyclictest35-21ksoftirqd/307:59:593
562699119,1cyclictest9-21ksoftirqd/008:05:010
562699119,1cyclictest7139-21sh08:20:000
564499109,1cyclictest35-21ksoftirqd/308:25:013
564499108,1cyclictest35-21ksoftirqd/309:50:003
564499100,7cyclictest0-21swapper/309:30:133
563999108,1cyclictest28-21ksoftirqd/208:20:002
56449990,4cyclictest17824-21apt-get09:50:123
56399990,8cyclictest11412-21python11:50:202
56399990,7cyclictest8005-21munin-node08:03:112
56269990,4cyclictest0-21swapper/009:00:110
56449987,1cyclictest35-21ksoftirqd/308:40:003
56449986,1cyclictest707-21snmpd12:25:363
56449986,1cyclictest707-21snmpd12:22:023
56449986,1cyclictest707-21snmpd11:34:333
56449986,1cyclictest707-21snmpd11:04:453
56449986,1cyclictest707-21snmpd07:53:273
56449986,1cyclictest35-21ksoftirqd/311:00:003
56449981,4cyclictest20178-21apt-get09:55:123
56399987,1cyclictest28-21ksoftirqd/208:30:092
56399987,1cyclictest0-21swapper/211:15:172
56399986,1cyclictest707-21snmpd12:35:172
56399986,1cyclictest707-21snmpd09:56:152
56399986,1cyclictest707-21snmpd09:38:062
56399986,1cyclictest707-21snmpd08:06:212
56399986,1cyclictest61650irq/122-eno108:20:192
56399986,1cyclictest61650irq/122-eno108:10:172
56399986,1cyclictest28-21ksoftirqd/209:34:592
56329980,4cyclictest0-21swapper/112:25:201
56329980,4cyclictest0-21swapper/107:40:091
56269987,1cyclictest9-21ksoftirqd/010:55:000
56269986,1cyclictest9-21ksoftirqd/010:20:010
56269986,1cyclictest707-21snmpd07:24:210
56269986,1cyclictest26229-21dump-pmu-power09:00:000
56269985,0cyclictest0-21swapper/010:03:220
56269981,6cyclictest8005-21munin-node10:57:220
56269980,7cyclictest0-21swapper/009:05:110
56269980,4cyclictest29993-21http08:00:000
56449976,1cyclictest35-21ksoftirqd/307:15:013
56449976,0cyclictest0-21swapper/309:05:093
56449975,1cyclictest707-21snmpd12:02:463
56449975,1cyclictest707-21snmpd11:55:233
56449975,1cyclictest707-21snmpd11:38:013
56449975,1cyclictest707-21snmpd10:40:173
56449975,1cyclictest707-21snmpd10:39:173
56449975,1cyclictest707-21snmpd09:21:003
56449975,1cyclictest707-21snmpd09:00:293
56449975,1cyclictest707-21snmpd08:53:593
56449975,1cyclictest707-21snmpd08:12:043
56449975,1cyclictest707-21snmpd08:04:433
56449975,1cyclictest707-21snmpd07:46:473
56449975,1cyclictest707-21snmpd07:23:143
56449975,1cyclictest707-21snmpd07:16:283
56449975,1cyclictest589-21sshd12:36:033
56449974,2cyclictest707-21snmpd07:38:233
56449973,1cyclictest22954-21latency_hist07:44:593
56449970,4cyclictest0-21swapper/308:15:123
56449970,2cyclictest0-21swapper/311:15:133
56449970,0cyclictest0-21swapper/312:30:133
56399976,1cyclictest61650irq/122-eno109:54:162
56399976,1cyclictest61650irq/122-eno108:55:142
56399976,1cyclictest61650irq/122-eno107:55:112
56399976,1cyclictest61650irq/122-eno107:15:012
56399976,1cyclictest28-21ksoftirqd/212:10:002
56399975,1cyclictest707-21snmpd12:21:302
56399975,1cyclictest707-21snmpd11:36:162
56399975,1cyclictest707-21snmpd10:16:232
56399975,1cyclictest707-21snmpd08:50:442
56399975,1cyclictest707-21snmpd07:50:092
56399975,1cyclictest707-21snmpd07:11:432
56399975,1cyclictest61650irq/122-eno109:40:182
56399975,1cyclictest61650irq/122-eno108:40:142
56399975,1cyclictest28-21ksoftirqd/209:10:012
56399975,1cyclictest15726-21sh07:30:012
56399975,1cyclictest1167-21python10:20:222
56399973,2cyclictest240-21systemd-journal09:21:072
56399972,3cyclictest15964-21apt-get07:30:142
56399970,6cyclictest0-21swapper/212:25:182
56329971,6cyclictest0-21swapper/111:35:001
56329971,4cyclictest0-21swapper/111:30:171
56269977,0cyclictest15006-21sensors07:25:190
56269976,1cyclictest9-21ksoftirqd/011:00:110
56269976,1cyclictest9-21ksoftirqd/010:50:010
56269976,1cyclictest707-21snmpd11:33:520
56269976,1cyclictest1183-21cat08:05:130
56269975,1cyclictest9-21ksoftirqd/011:29:590
56269975,1cyclictest0-21swapper/007:40:180
56269972,4cyclictest23345-21/usr/sbin/munin11:10:100
56269971,1cyclictest0-21swapper/009:35:110
56269970,6cyclictest9822-21wc07:15:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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