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2026-08-25 - 08:55
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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 Tue Aug 25, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99832233157,60sleep20-21swapper/219:06:012
99462208131,25sleep00-21swapper/019:05:300
101402201161,26sleep30-21swapper/319:08:033
102372199147,40sleep10-21swapper/119:09:181
287722720,0sleep00-21swapper/022:30:180
10398991916,1cyclictest28-21ksoftirqd/222:46:162
10398991413,1cyclictest28-21ksoftirqd/222:19:062
112422130,1sleep011244-21processes20:15:200
10398991211,1cyclictest28-21ksoftirqd/222:40:492
10398991211,1cyclictest28-21ksoftirqd/221:30:142
10398991210,1cyclictest28-21ksoftirqd/222:25:142
1039899120,3cyclictest4148-21awk00:20:172
7622110,0sleep20-21swapper/222:35:552
10384991110,1cyclictest9-21ksoftirqd/022:55:000
1039899109,1cyclictest28-21ksoftirqd/223:35:012
1039899109,1cyclictest28-21ksoftirqd/223:15:222
1039899109,0cyclictest28-21ksoftirqd/221:35:142
1039899108,1cyclictest28-21ksoftirqd/221:05:152
1039899106,2cyclictest28-21ksoftirqd/200:07:372
1039899106,2cyclictest28-21ksoftirqd/200:07:362
1039899100,5cyclictest0-21swapper/223:25:112
1038499108,1cyclictest9-21ksoftirqd/023:15:010
104089996,3cyclictest35-21ksoftirqd/320:25:003
104089992,2cyclictest0-21swapper/322:40:113
103989999,0cyclictest28-21ksoftirqd/223:55:122
103989999,0cyclictest28-21ksoftirqd/223:51:062
103989998,1cyclictest28-21ksoftirqd/223:35:242
103989998,1cyclictest28-21ksoftirqd/223:20:202
103989998,1cyclictest28-21ksoftirqd/223:05:312
103989998,1cyclictest28-21ksoftirqd/223:00:142
103989998,1cyclictest28-21ksoftirqd/221:55:192
103989998,1cyclictest28-21ksoftirqd/221:29:512
103989998,1cyclictest28-21ksoftirqd/221:20:142
103989998,1cyclictest28-21ksoftirqd/221:16:502
103989998,1cyclictest28-21ksoftirqd/200:16:422
103989998,1cyclictest28-21ksoftirqd/200:13:482
103989997,1cyclictest28-21ksoftirqd/219:25:002
103989992,4cyclictest28-21ksoftirqd/219:50:002
103849998,1cyclictest9-21ksoftirqd/019:15:010
103849997,1cyclictest9-21ksoftirqd/020:35:000
103849991,4cyclictest16104-21date22:59:590
9641280,1sleep10-21swapper/122:04:391
104089986,1cyclictest1747-21ntpd23:55:583
104089986,1cyclictest11301-21snmpd21:22:233
104089980,0cyclictest0-21swapper/300:33:513
103989988,0cyclictest28-21ksoftirqd/222:08:122
103989988,0cyclictest28-21ksoftirqd/222:08:112
103989988,0cyclictest28-21ksoftirqd/222:03:192
103989987,1cyclictest2850ksoftirqd/223:44:252
103989987,1cyclictest28-21ksoftirqd/223:49:192
103989987,1cyclictest28-21ksoftirqd/222:10:352
103989987,1cyclictest28-21ksoftirqd/221:51:492
103989987,1cyclictest28-21ksoftirqd/220:20:142
103989987,1cyclictest28-21ksoftirqd/219:45:002
103989987,1cyclictest28-21ksoftirqd/200:35:122
103989987,1cyclictest28-21ksoftirqd/200:25:212
103989987,0cyclictest28-21ksoftirqd/222:55:182
103989987,0cyclictest28-21ksoftirqd/200:00:122
103989986,1cyclictest28-21ksoftirqd/223:10:422
103989986,1cyclictest28-21ksoftirqd/222:50:122
103989986,1cyclictest28-21ksoftirqd/222:30:152
103989986,1cyclictest28-21ksoftirqd/222:23:292
103989986,1cyclictest28-21ksoftirqd/220:25:142
103989986,1cyclictest28-21ksoftirqd/220:00:002
103989980,7cyclictest0-21swapper/200:30:222
103989980,6cyclictest0-21swapper/220:41:132
103989980,3cyclictest0-21swapper/220:55:112
103989980,1cyclictest0-21swapper/219:25:132
103849986,1cyclictest9-21ksoftirqd/023:40:230
103849986,1cyclictest9-21ksoftirqd/000:35:010
103849986,1cyclictest29926-21ntpq20:55:160
103849986,1cyclictest19979-21ssh22:19:090
103849986,1cyclictest11301-21snmpd23:34:040
103849986,1cyclictest11301-21snmpd21:00:080
103849986,1cyclictest11301-21snmpd19:52:390
103849986,1cyclictest11301-21snmpd19:35:530
103849985,1cyclictest240-21systemd-journal23:50:000
103849983,3cyclictest3226-21diskmemload23:24:200
103849981,6cyclictest3226-21diskmemload23:39:480
103849981,5cyclictest3226-21diskmemload23:52:060
103849981,1cyclictest1554-21ssh23:25:110
103849980,7cyclictest7830-21ssh22:46:030
103849980,6cyclictest3226-21diskmemload21:17:300
103849980,6cyclictest3226-21diskmemload00:01:180
103849980,5cyclictest3226-21diskmemload21:45:030
104089976,1cyclictest11301-21snmpd23:17:063
104089976,1cyclictest11301-21snmpd22:07:293
104089976,1cyclictest11301-21snmpd22:07:283
104089976,1cyclictest11301-21snmpd19:18:563
104089975,1cyclictest1747-21ntpd21:45:583
104089975,1cyclictest11301-21snmpd23:42:463
104089975,1cyclictest11301-21snmpd20:03:063
104089975,1cyclictest11301-21snmpd19:48:063
104089975,1cyclictest11301-21snmpd00:28:363
104089974,2cyclictest3226-21diskmemload23:36:223
104089974,1cyclictest7272-21ssh22:45:193
104089974,1cyclictest25705-21taskset00:04:493
104089972,3cyclictest3226-21diskmemload21:34:423
104089972,2cyclictest3226-21diskmemload22:28:383
104089971,4cyclictest0-21swapper/320:05:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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