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2025-12-14 - 23:38
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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 Dec 14, 2025 12:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315092199161,25sleep20-21swapper/207:07:172
315672198159,25sleep30-21swapper/307:08:033
314412197160,24sleep10-21swapper/107:06:241
313682196156,26sleep00-21swapper/007:05:260
121512690,0sleep10-21swapper/111:00:121
121512690,0sleep10-21swapper/111:00:121
31806991917,1cyclictest9-21ksoftirqd/007:30:010
282072160,0sleep00-21swapper/009:15:190
30122150,1sleep32698-21/usr/sbin/munin10:40:123
3181799130,1cyclictest10758-21/usr/sbin/munin12:05:152
3180699130,12cyclictest0-21swapper/011:25:160
31825991211,1cyclictest35-21ksoftirqd/309:30:013
31825991110,1cyclictest35-21ksoftirqd/311:45:013
3182599110,4cyclictest0-21swapper/308:30:123
3181799119,1cyclictest28-21ksoftirqd/209:10:012
3180699119,1cyclictest9-21ksoftirqd/007:40:010
3180699111,5cyclictest935-21cat11:45:010
3182599109,1cyclictest35-21ksoftirqd/310:25:003
3180699101,4cyclictest24708-21perf12:35:010
318179997,1cyclictest28-21ksoftirqd/212:35:012
318179997,1cyclictest28-21ksoftirqd/210:26:422
318179997,1cyclictest28-21ksoftirqd/209:00:122
318179997,1cyclictest28-21ksoftirqd/209:00:122
318179990,7cyclictest9184-21apt-get09:45:132
318179990,7cyclictest0-21swapper/210:45:142
318069998,1cyclictest9-21ksoftirqd/012:10:010
318069997,1cyclictest9-21ksoftirqd/012:20:000
318259987,1cyclictest35-21ksoftirqd/310:51:433
318259986,1cyclictest707-21snmpd10:29:103
318259986,1cyclictest707-21snmpd07:35:323
318259983,1cyclictest3478-21apt11:50:103
318259980,4cyclictest32751-21apt-get10:35:123
318179988,0cyclictest61650irq/122-eno111:53:412
318179986,1cyclictest707-21snmpd09:38:572
318179986,1cyclictest707-21snmpd09:10:382
318179986,1cyclictest61650irq/122-eno111:25:162
318179986,1cyclictest61650irq/122-eno110:05:212
318179986,1cyclictest61650irq/122-eno108:40:142
318179986,1cyclictest61650irq/122-eno108:30:172
318179986,1cyclictest5606-21perf08:30:012
318179986,1cyclictest1747-21ntpd12:25:592
318179980,6cyclictest61650irq/122-eno108:50:012
318109981,4cyclictest0-21swapper/112:10:181
318069986,1cyclictest9-21ksoftirqd/012:12:420
318069986,1cyclictest9-21ksoftirqd/012:05:010
318069986,1cyclictest9-21ksoftirqd/009:39:400
318069986,1cyclictest9-21ksoftirqd/007:15:020
318069986,1cyclictest707-21snmpd11:49:310
318069986,1cyclictest707-21snmpd11:17:000
318069986,1cyclictest707-21snmpd10:34:470
318069986,1cyclictest707-21snmpd10:05:580
318069986,1cyclictest707-21snmpd07:22:290
318069982,3cyclictest30211-21perf10:30:010
318069981,4cyclictest13888-21apt-get09:55:120
318069980,4cyclictest7986-21perf08:35:010
318069980,4cyclictest32751-21apt-get10:35:120
318259976,1cyclictest736-21ntpq07:10:143
318259976,1cyclictest707-21snmpd09:55:273
318259976,1cyclictest707-21snmpd09:34:543
318259976,1cyclictest707-21snmpd07:16:173
318259976,1cyclictest35-21ksoftirqd/312:20:003
318259976,1cyclictest35-21ksoftirqd/312:10:013
318259976,1cyclictest24205-21cat10:15:163
318259975,1cyclictest707-21snmpd09:45:543
318259975,1cyclictest707-21snmpd09:10:233
318259975,1cyclictest707-21snmpd07:27:053
318259975,1cyclictest35-21ksoftirqd/308:15:013
318259971,3cyclictest14681-21apt-get07:40:123
318259970,3cyclictest16604-21apt11:10:013
318179976,1cyclictest707-21snmpd07:43:562
318179975,1cyclictest707-21snmpd12:17:382
318179975,1cyclictest61650irq/122-eno111:55:122
318179975,1cyclictest28-21ksoftirqd/211:35:112
318179975,1cyclictest28-21ksoftirqd/207:15:012
318179975,1cyclictest1747-21ntpd09:50:592
318179975,1cyclictest1747-21ntpd08:10:592
318179971,3cyclictest240-21systemd-journal08:00:012
318179970,6cyclictest0-21swapper/211:45:462
318179970,6cyclictest0-21swapper/210:22:522
318179970,1cyclictest240-21systemd-journal08:40:012
318179970,1cyclictest0-21swapper/209:40:112
318109971,6cyclictest0-21swapper/108:59:261
318109971,1cyclictest0-21swapper/111:33:131
318109970,6cyclictest0-21swapper/111:05:161
318109970,5cyclictest0-21swapper/107:15:181
318109970,1cyclictest0-21swapper/108:54:531
318109970,1cyclictest0-21swapper/107:20:171
318069976,1cyclictest9-21ksoftirqd/009:05:010
318069976,1cyclictest9-21ksoftirqd/009:05:010
318069975,1cyclictest9-21ksoftirqd/009:25:010
318069975,1cyclictest707-21snmpd11:06:300
318069975,1cyclictest707-21snmpd11:00:240
318069975,1cyclictest707-21snmpd11:00:240
318069975,1cyclictest707-21snmpd10:56:380
318069975,1cyclictest707-21snmpd09:44:390
318069975,1cyclictest707-21snmpd08:53:230
318069975,1cyclictest707-21snmpd08:48:070
318069975,1cyclictest707-21snmpd08:41:220
318069975,1cyclictest707-21snmpd08:29:550
318069975,1cyclictest10306-21systemctl08:40:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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