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2026-08-27 - 03:50
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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 Aug 27, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42562204159,31sleep00-21swapper/019:09:130
40232201161,26sleep30-21swapper/319:06:113
39752200162,25sleep20-21swapper/219:05:332
39742197158,26sleep10-21swapper/119:05:331
5222190,1sleep0515-21processes20:05:200
285462170,0sleep10-21swapper/123:25:141
442899140,13cyclictest0-21swapper/122:45:091
4420991311,1cyclictest9-21ksoftirqd/020:35:000
54292120,0sleep10-21swapper/121:20:131
4441991210,1cyclictest28-21ksoftirqd/222:00:002
442899120,12cyclictest0-21swapper/123:40:111
442099124,4cyclictest23567-21perf00:05:010
444999119,1cyclictest35-21ksoftirqd/321:15:013
444999119,1cyclictest35-21ksoftirqd/321:15:003
4449991110,1cyclictest35-21ksoftirqd/323:00:003
444199119,1cyclictest28-21ksoftirqd/220:25:012
4441991110,1cyclictest28-21ksoftirqd/223:02:262
4441991110,1cyclictest28-21ksoftirqd/220:20:012
442099119,1cyclictest9-21ksoftirqd/023:55:190
4420991110,1cyclictest9-21ksoftirqd/023:45:200
442099111,5cyclictest29591-21latency_hist21:55:010
444999109,1cyclictest35-21ksoftirqd/323:50:163
444999109,1cyclictest35-21ksoftirqd/322:25:003
444999109,1cyclictest35-21ksoftirqd/320:15:013
444999109,0cyclictest35-21ksoftirqd/320:25:143
4449991010,0cyclictest35-21ksoftirqd/300:32:143
444199109,1cyclictest28-21ksoftirqd/221:45:012
444199109,1cyclictest28-21ksoftirqd/220:50:002
444199108,1cyclictest28-21ksoftirqd/219:40:002
442099109,1cyclictest9-21ksoftirqd/022:30:000
442099109,1cyclictest9-21ksoftirqd/000:35:100
275622100,2sleep30-21swapper/322:36:353
44499999,0cyclictest35-21ksoftirqd/300:10:013
44499998,1cyclictest35-21ksoftirqd/323:35:003
44499998,1cyclictest35-21ksoftirqd/300:15:183
44499997,1cyclictest35-21ksoftirqd/320:59:593
44419998,1cyclictest28-21ksoftirqd/223:54:592
44419998,1cyclictest0-21swapper/223:45:212
44419997,1cyclictest28-21ksoftirqd/223:25:122
44419997,1cyclictest28-21ksoftirqd/220:35:002
44419997,1cyclictest28-21ksoftirqd/200:07:082
44289990,5cyclictest0-21swapper/122:55:121
44209999,0cyclictest9-21ksoftirqd/022:45:000
44209999,0cyclictest9-21ksoftirqd/000:20:170
44209998,1cyclictest9-21ksoftirqd/023:40:000
44209998,1cyclictest9-21ksoftirqd/022:10:110
44209998,1cyclictest9-21ksoftirqd/021:40:010
44209998,1cyclictest9-21ksoftirqd/020:25:120
44209997,1cyclictest9-21ksoftirqd/022:55:130
44209997,1cyclictest27532-21idleruntime-cro21:05:010
44209992,6cyclictest5295-21ntpq20:15:170
44209991,4cyclictest2345-21perf23:35:010
44209990,8cyclictest0-21swapper/020:55:200
44209990,6cyclictest0-21swapper/020:45:100
44209990,1cyclictest11051-21df_inode23:00:130
44499988,0cyclictest35-21ksoftirqd/323:00:193
44499988,0cyclictest35-21ksoftirqd/320:34:593
44499987,1cyclictest35-21ksoftirqd/323:49:593
44499986,1cyclictest11301-21snmpd23:59:453
44499986,1cyclictest11301-21snmpd22:54:273
44499986,1cyclictest11301-21snmpd22:46:043
44499986,1cyclictest11301-21snmpd21:27:353
44499986,1cyclictest11301-21snmpd21:16:023
44499986,1cyclictest11301-21snmpd20:53:113
44499986,1cyclictest11301-21snmpd20:18:483
44499986,1cyclictest11301-21snmpd00:35:443
44499981,6cyclictest6757-21munin-node00:24:233
44499981,4cyclictest30090-21diskmemload21:40:173
44499980,4cyclictest0-21swapper/322:35:003
44419987,1cyclictest28-21ksoftirqd/223:30:212
44419987,1cyclictest28-21ksoftirqd/221:30:142
44419987,1cyclictest28-21ksoftirqd/200:35:002
44419987,1cyclictest0-21swapper/219:50:212
44419986,1cyclictest61650irq/122-eno122:10:172
44419986,1cyclictest28-21ksoftirqd/222:08:542
44419986,1cyclictest28-21ksoftirqd/200:35:122
44419986,1cyclictest11301-21snmpd23:21:532
44419985,1cyclictest61650irq/122-eno120:45:002
44419982,5cyclictest6757-21munin-node21:42:582
44419980,6cyclictest0-21swapper/223:09:512
44419980,5cyclictest6757-21munin-node19:57:382
44419980,3cyclictest14943-21/usr/sbin/munin22:20:182
44209987,1cyclictest9-21ksoftirqd/023:20:210
44209987,1cyclictest9-21ksoftirqd/022:35:140
44209987,1cyclictest9-21ksoftirqd/021:16:260
44209987,1cyclictest9-21ksoftirqd/000:15:130
44209987,1cyclictest19365-21ssh23:10:320
44209986,1cyclictest9563-21apt-config23:44:590
44209986,1cyclictest11301-21snmpd21:31:030
44209986,1cyclictest11301-21snmpd19:33:410
44209985,1cyclictest9-21ksoftirqd/000:30:090
44209981,6cyclictest0-21swapper/019:45:320
44209980,7cyclictest30090-21diskmemload22:49:160
44209980,7cyclictest24900-21ssh21:46:040
44209980,7cyclictest13461-21ssh23:50:140
44209980,4cyclictest0-21swapper/022:50:090
44499977,0cyclictest35-21ksoftirqd/321:45:193
44499976,1cyclictest35-21ksoftirqd/322:15:203
44499976,1cyclictest35-21ksoftirqd/319:45:143
44499976,1cyclictest11301-21snmpd23:12:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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