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2026-03-11 - 05:25
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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 Wed Mar 11, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
220382214150,21sleep00-21swapper/019:06:030
220872210177,21sleep20-21swapper/219:06:412
220912207150,22sleep10-21swapper/119:06:451
220212198160,24sleep30-21swapper/319:05:503
301052630,0sleep10-21swapper/120:30:191
191592170,0sleep10-21swapper/123:17:121
2242699124,4cyclictest24168-21perf23:25:000
2244099119,1cyclictest35-21ksoftirqd/321:30:003
22440991110,1cyclictest35-21ksoftirqd/319:39:593
22440991110,1cyclictest35-21ksoftirqd/300:05:003
2242699119,1cyclictest9-21ksoftirqd/021:49:590
2242699113,4cyclictest12745-21sed21:05:010
22426991110,1cyclictest9-21ksoftirqd/019:34:590
22426991110,1cyclictest0-21swapper/020:30:130
2244099109,1cyclictest35-21ksoftirqd/322:40:003
2244099109,1cyclictest35-21ksoftirqd/321:25:003
2244099109,1cyclictest35-21ksoftirqd/321:05:013
2242699109,1cyclictest9-21ksoftirqd/022:55:150
2242699108,1cyclictest9-21ksoftirqd/019:52:170
2242699102,4cyclictest9792-21cat22:24:590
224409999,0cyclictest35-21ksoftirqd/323:55:013
224409997,1cyclictest35-21ksoftirqd/323:20:013
224409995,3cyclictest568-21nscd20:15:183
224409991,6cyclictest548-21systemd-logind21:59:073
224329998,1cyclictest372-21sh22:11:032
224329998,1cyclictest28-21ksoftirqd/222:24:592
224329997,1cyclictest28-21ksoftirqd/221:10:012
224329997,1cyclictest28-21ksoftirqd/220:25:002
224329993,5cyclictest22421-21cyclictest22:05:182
224329990,8cyclictest0-21swapper/200:01:242
224269998,1cyclictest9-21ksoftirqd/022:40:100
224269998,1cyclictest9-21ksoftirqd/022:15:010
224269998,1cyclictest9-21ksoftirqd/022:05:010
224269998,1cyclictest9-21ksoftirqd/021:45:000
224269998,1cyclictest9-21ksoftirqd/019:25:010
224269997,1cyclictest9-21ksoftirqd/023:50:130
224269997,1cyclictest9-21ksoftirqd/023:30:110
224269997,1cyclictest9-21ksoftirqd/020:55:000
224269997,1cyclictest498-21ssh21:30:180
224269991,4cyclictest23435-21wc21:20:010
224269990,5cyclictest8629-21latency_hist23:05:010
224269990,4cyclictest4863-21cut19:40:000
224269990,4cyclictest16819-21latency_hist20:05:010
224269990,1cyclictest548-21systemd-logind00:10:190
224409987,1cyclictest35-21ksoftirqd/320:54:593
224409987,1cyclictest35-21ksoftirqd/320:05:013
224409987,0cyclictest35-21ksoftirqd/300:15:143
224409986,1cyclictest707-21snmpd21:47:323
224409986,1cyclictest707-21snmpd20:26:023
224409986,1cyclictest707-21snmpd19:55:333
224409986,1cyclictest35-21ksoftirqd/321:00:013
224409983,2cyclictest707-21snmpd23:40:503
224409983,1cyclictest15064-21diskmemload23:57:353
224409981,6cyclictest19161-21kworker/u8:222:30:103
224329987,1cyclictest28-21ksoftirqd/200:17:332
224329986,1cyclictest707-21snmpd22:37:452
224329986,1cyclictest707-21snmpd21:27:362
224329986,1cyclictest707-21snmpd21:17:012
224329986,1cyclictest707-21snmpd20:03:012
224329986,1cyclictest61650irq/122-eno123:20:112
224329986,1cyclictest61650irq/122-eno122:40:112
224329986,1cyclictest61650irq/122-eno121:20:092
224329986,1cyclictest61650irq/122-eno100:40:002
224329986,1cyclictest28-21ksoftirqd/222:55:012
224329986,1cyclictest0-21swapper/200:33:522
224329985,2cyclictest32521-21cron19:29:592
224329984,3cyclictest22421-21cyclictest22:45:402
224329981,5cyclictest0-21swapper/220:38:402
224309980,7cyclictest0-21swapper/120:50:131
224269988,0cyclictest9-21ksoftirqd/022:15:150
224269987,1cyclictest9-21ksoftirqd/023:55:120
224269987,1cyclictest9-21ksoftirqd/023:40:180
224269987,1cyclictest9-21ksoftirqd/020:55:130
224269987,1cyclictest9-21ksoftirqd/020:25:000
224269987,1cyclictest9-21ksoftirqd/020:15:000
224269987,1cyclictest9-21ksoftirqd/019:15:010
224269987,1cyclictest9-21ksoftirqd/000:25:120
224269987,1cyclictest9-21ksoftirqd/000:00:120
224269987,0cyclictest9-21ksoftirqd/019:45:000
224269986,1cyclictest9-21ksoftirqd/019:29:590
224269986,1cyclictest707-21snmpd21:07:270
224269986,1cyclictest707-21snmpd20:29:440
224269982,5cyclictest15269-21ssh21:50:110
224269980,7cyclictest266542sleep022:45:140
224269980,1cyclictest18187-21ssh21:13:160
13481280,0sleep10-21swapper/122:29:391
224409977,0cyclictest35-21ksoftirqd/321:10:013
224409977,0cyclictest35-21ksoftirqd/300:05:083
224409976,1cyclictest731-21sensors21:30:183
224409976,1cyclictest707-21snmpd00:33:283
224409976,1cyclictest35-21ksoftirqd/320:35:003
224409976,1cyclictest1200-21cat19:30:143
224409975,1cyclictest707-21snmpd23:06:263
224409975,1cyclictest707-21snmpd19:43:343
224409975,1cyclictest35-21ksoftirqd/323:10:133
224409975,1cyclictest35-21ksoftirqd/320:40:003
224409975,1cyclictest35-21ksoftirqd/319:28:543
224409975,1cyclictest2502-21ssh00:20:083
224409975,1cyclictest20994-21ssh21:15:213
224409974,1cyclictest240-21systemd-journal00:30:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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