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2026-06-18 - 05:13
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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 Jun 18, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313552222157,25sleep10-21swapper/119:09:101
314062216152,51sleep00-21swapper/019:09:500
311312202164,25sleep30-21swapper/319:06:143
310952199161,24sleep20-21swapper/219:05:462
112582690,0sleep20-21swapper/221:35:122
29382660,0sleep10-21swapper/123:35:151
250712660,0sleep10-21swapper/120:00:191
161642610,0sleep20-21swapper/200:36:402
292782330,0sleep20-21swapper/222:43:252
3154199135,7cyclictest28997-21cat00:10:153
204032130,0sleep30-21swapper/319:50:213
31541991211,1cyclictest35-21ksoftirqd/322:40:003
3154199121,3cyclictest20476-21munin-run00:00:003
31512991210,1cyclictest9-21ksoftirqd/021:10:000
3154199115,5cyclictest24420-21ssh21:10:013
3154199115,5cyclictest20896-21ssh21:47:523
3154199113,1cyclictest240-21systemd-journal20:40:003
31541991110,1cyclictest35-21ksoftirqd/321:00:003
3154199111,1cyclictest28268-21chrt22:40:263
3154199110,3cyclictest0-21swapper/322:32:283
3154199110,1cyclictest0-21swapper/322:28:233
3153099119,1cyclictest28-21ksoftirqd/221:05:012
3151299110,10cyclictest24205-21diskmemload22:36:020
3154199104,1cyclictest17094-21ssh00:39:253
3154199104,1cyclictest15047-21ssh22:24:303
3154199104,1cyclictest11836-21ssh23:46:423
3154199103,1cyclictest31686-21if_eno123:30:153
3154199103,0cyclictest24205-21diskmemload00:25:483
3154199102,1cyclictest5130-21cpu22:55:123
3154199101,0cyclictest24205-21diskmemload23:43:043
3154199100,4cyclictest32532-21wc19:10:153
3154199100,4cyclictest0-21swapper/322:51:243
3154199100,2cyclictest240-21systemd-journal20:10:013
3154199100,1cyclictest240-21systemd-journal22:05:003
3154199100,1cyclictest240-21systemd-journal21:29:593
3154199100,1cyclictest240-21systemd-journal21:10:013
3154199100,1cyclictest240-21systemd-journal00:20:003
3153099104,3cyclictest61650irq/122-eno100:08:022
3151299109,1cyclictest9-21ksoftirqd/022:54:590
3151299103,4cyclictest1795-21wc23:35:000
315419993,1cyclictest4047-21ssh22:09:263
315419993,0cyclictest24205-21diskmemload23:02:503
315419993,0cyclictest24205-21diskmemload22:48:203
315419992,1cyclictest24189-21tune2fs20:00:133
315419992,1cyclictest17872-21mailstats19:45:173
315419991,0cyclictest24205-21diskmemload21:35:403
315419990,2cyclictest0-21swapper/323:06:123
315419990,1cyclictest240-21systemd-journal20:25:003
315419990,1cyclictest240-21systemd-journal19:40:013
315419990,1cyclictest0-21swapper/321:18:573
315309997,1cyclictest20499-21idleruntime-cro00:00:012
315129990,3cyclictest24205-21diskmemload22:00:240
315419987,1cyclictest35-21ksoftirqd/300:20:203
315419982,1cyclictest29695-21ssh23:27:333
315419982,1cyclictest14974-21ls21:40:123
315419981,2cyclictest0-21swapper/323:10:573
315419981,2cyclictest0-21swapper/323:10:563
315419981,1cyclictest26586-21/usr/sbin/munin21:55:143
315419981,1cyclictest0-21swapper/322:15:113
315419981,0cyclictest24205-21diskmemload21:30:143
315419980,8cyclictest0-21swapper/323:39:003
315419980,6cyclictest0-21swapper/323:18:163
315419980,1cyclictest0-21swapper/323:22:543
315419980,0cyclictest0-21swapper/300:02:563
315309988,0cyclictest0-21swapper/223:44:352
315309988,0cyclictest0-21swapper/221:20:112
315309987,1cyclictest0-21swapper/223:01:472
315309986,1cyclictest61650irq/122-eno123:50:012
315309986,1cyclictest61650irq/122-eno123:25:212
315309986,1cyclictest61650irq/122-eno122:30:192
315309986,1cyclictest61650irq/122-eno121:19:592
315309986,1cyclictest61650irq/122-eno120:15:112
315309986,1cyclictest1029-21snmpd22:55:182
315309986,1cyclictest1029-21snmpd20:51:582
315309986,1cyclictest1029-21snmpd19:36:352
315309986,1cyclictest1029-21snmpd19:33:302
315309984,2cyclictest240-21systemd-journal19:20:002
315189980,5cyclictest0-21swapper/119:15:131
315129987,1cyclictest9-21ksoftirqd/020:55:490
315129986,1cyclictest18025-21sh23:10:360
315129986,1cyclictest18025-21sh23:10:360
315129986,1cyclictest1029-21snmpd20:09:460
315129986,1cyclictest1029-21snmpd00:01:050
315129982,5cyclictest24205-21diskmemload22:15:140
315129980,7cyclictest9942-21ssh00:29:500
315129980,7cyclictest7627-21diskstats21:30:140
315129980,7cyclictest4893-21ssh23:38:270
315129980,4cyclictest1437-21munin-node21:03:160
315129980,4cyclictest13695-21perf00:35:010
315129980,3cyclictest0-21swapper/021:25:100
315419975,1cyclictest1029-21snmpd19:44:583
315419975,1cyclictest1029-21snmpd19:16:563
315419975,1cyclictest1029-21snmpd00:31:333
315419973,0cyclictest24205-21diskmemload23:53:463
315419972,2cyclictest13205-21tune2fs20:45:133
315419970,6cyclictest0-21swapper/321:50:143
315419970,4cyclictest20906-21awk21:00:173
315419970,4cyclictest0-21swapper/321:20:333
315309976,1cyclictest61650irq/122-eno122:48:062
315309976,1cyclictest61650irq/122-eno122:20:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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