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2026-07-16 - 09:20
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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 Jul 16, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168112206156,24sleep00-21swapper/019:09:290
166182205150,21sleep10-21swapper/119:06:571
167792200160,26sleep30-21swapper/319:09:043
147382198157,26sleep20-21swapper/219:05:052
224652170,0sleep00-21swapper/021:25:130
16937991615,1cyclictest9-21ksoftirqd/022:29:050
182122150,0sleep10-21swapper/122:00:151
16937991513,1cyclictest9-21ksoftirqd/022:20:000
1693799143,5cyclictest5309-21perf21:00:000
227502130,0sleep39990-21diskmemload00:06:053
16952991312,1cyclictest28-21ksoftirqd/221:25:142
1694499130,1cyclictest0-21swapper/120:10:101
16952991210,1cyclictest28-21ksoftirqd/220:30:002
1693799122,5cyclictest10031-21sed21:09:590
16937991210,1cyclictest9-21ksoftirqd/022:39:590
16937991210,1cyclictest9-21ksoftirqd/022:09:590
1696099118,1cyclictest35-21ksoftirqd/321:00:003
1695299119,1cyclictest28-21ksoftirqd/220:20:012
1695299119,1cyclictest28-21ksoftirqd/219:59:592
1695299110,1cyclictest0-21swapper/222:20:112
1695299110,0cyclictest0-21swapper/222:55:122
1693799119,1cyclictest9-21ksoftirqd/022:55:000
1693799112,4cyclictest32687-21perf23:40:010
1693799110,0cyclictest0-21swapper/020:15:110
1696099100,7cyclictest0-21swapper/322:19:123
1696099100,5cyclictest25594-21/usr/sbin/munin22:10:213
1695299109,1cyclictest28-21ksoftirqd/223:29:592
1695299107,2cyclictest28-21ksoftirqd/219:25:012
1693799109,1cyclictest9-21ksoftirqd/023:04:120
1693799109,1cyclictest9-21ksoftirqd/023:04:110
1693799109,1cyclictest9-21ksoftirqd/022:05:010
1693799102,4cyclictest21220-21sed20:25:010
1693799102,4cyclictest13779-21perf21:15:010
16937991010,0cyclictest9-21ksoftirqd/022:32:570
1693799100,9cyclictest24866-21/usr/sbin/munin00:10:220
169609990,0cyclictest0-21swapper/323:50:293
169529999,0cyclictest28-21ksoftirqd/221:30:202
169529999,0cyclictest28-21ksoftirqd/221:30:192
169529998,1cyclictest28-21ksoftirqd/222:50:112
169529998,1cyclictest28-21ksoftirqd/222:00:142
169529998,1cyclictest28-21ksoftirqd/221:50:132
169529998,1cyclictest28-21ksoftirqd/200:15:182
169529998,1cyclictest19401-21sh00:03:082
169529998,1cyclictest12842-21perf22:35:002
169529997,1cyclictest28-21ksoftirqd/221:35:002
169529997,1cyclictest28-21ksoftirqd/221:00:002
169529997,1cyclictest28-21ksoftirqd/219:19:592
169529993,3cyclictest240-21systemd-journal22:28:192
169379998,1cyclictest9-21ksoftirqd/020:50:010
2823280,0sleep30-21swapper/323:41:383
169609983,4cyclictest3535-21sshd22:21:453
169609981,6cyclictest32250-1kworker/u9:022:30:093
169609981,4cyclictest31810-21taskset00:18:173
169609981,3cyclictest0-21swapper/323:21:253
169609980,4cyclictest4313-21taskset23:03:573
169609980,4cyclictest4313-21taskset23:03:563
169609980,2cyclictest0-21swapper/321:05:143
169529986,1cyclictest5934-21sensors23:45:182
169529984,2cyclictest240-21systemd-journal23:05:012
169529980,1cyclictest0-21swapper/223:17:512
169449980,6cyclictest203-21jbd2/sda2-822:57:041
169449980,4cyclictest0-21swapper/121:55:111
169449980,4cyclictest0-21swapper/120:50:191
169449980,0cyclictest0-21swapper/121:20:171
169379987,1cyclictest9-21ksoftirqd/022:25:010
169379987,1cyclictest9-21ksoftirqd/021:45:130
169379987,1cyclictest9-21ksoftirqd/020:10:000
169379987,1cyclictest9-21ksoftirqd/000:00:010
169379987,1cyclictest24281-21ssh22:47:460
169379986,1cyclictest9-21ksoftirqd/019:50:000
169379985,2cyclictest30904-21kworker/0:023:10:180
169379983,2cyclictest240-21systemd-journal00:08:050
169379981,6cyclictest19316-21munin-node21:16:210
169379981,6cyclictest10568-21ssh00:30:480
169379980,7cyclictest7177-21ssh00:27:180
169379980,7cyclictest7177-21ssh00:27:180
8393270,0sleep20-21swapper/221:47:382
20435270,0sleep10-21swapper/122:43:051
169609975,1cyclictest21884-21cat23:25:163
169609974,2cyclictest10338-21aten_r1power_fr21:10:133
169609974,1cyclictest35-21ksoftirqd/320:02:143
169609973,2cyclictest240-21systemd-journal00:39:563
169609972,2cyclictest9990-21diskmemload23:58:533
169609972,1cyclictest9957-21grep00:30:173
169609971,4cyclictest240-21systemd-journal23:19:193
169609971,4cyclictest0-21swapper/321:44:553
169609971,3cyclictest0-21swapper/320:05:193
169609970,4cyclictest7039-21apt-get19:55:113
169609970,4cyclictest6128-21cat23:05:173
169609970,4cyclictest0-21swapper/322:58:193
169609970,4cyclictest0-21swapper/321:50:163
169609970,3cyclictest0-21swapper/322:47:033
169609970,3cyclictest0-21swapper/322:00:123
169609970,3cyclictest0-21swapper/321:47:333
169609970,3cyclictest0-21swapper/300:00:503
169609970,2cyclictest25460-21df23:30:133
169609970,2cyclictest0-21swapper/300:11:003
169609970,1cyclictest0-21swapper/322:05:093
169529977,0cyclictest28-21ksoftirqd/222:10:152
169529976,1cyclictest61650irq/122-eno123:59:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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