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2026-06-02 - 04:45
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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 Jun 02, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11902202144,46sleep30-21swapper/319:08:523
11412199162,24sleep10-21swapper/119:08:131
12462198158,26sleep20-21swapper/219:09:342
10732198158,26sleep00-21swapper/019:07:200
92632650,0sleep10-21swapper/122:10:191
178382580,0sleep30-21swapper/300:33:443
245292570,0sleep10-21swapper/122:31:231
1375991818,0cyclictest35-21ksoftirqd/300:20:173
251192150,0sleep20-21swapper/222:33:032
1375991211,1cyclictest35-21ksoftirqd/323:15:003
136899115,3cyclictest61650irq/122-eno122:05:352
181102100,0sleep10-21swapper/122:24:151
137599109,1cyclictest35-21ksoftirqd/322:55:133
137599109,1cyclictest35-21ksoftirqd/322:05:133
137599109,1cyclictest35-21ksoftirqd/320:45:003
137599109,1cyclictest35-21ksoftirqd/300:29:193
137599109,1cyclictest35-21ksoftirqd/300:10:143
137599109,1cyclictest35-21ksoftirqd/300:00:143
137599108,1cyclictest35-21ksoftirqd/323:35:163
137599108,1cyclictest35-21ksoftirqd/322:20:223
137599108,1cyclictest35-21ksoftirqd/320:25:003
137599108,1cyclictest35-21ksoftirqd/320:05:003
137599100,2cyclictest0-21swapper/319:50:133
136899100,6cyclictest26637-21diskmemload00:10:142
1361991010,0cyclictest0-21swapper/119:49:431
135599108,1cyclictest9-21ksoftirqd/022:15:210
135599108,1cyclictest9-21ksoftirqd/021:27:010
135599103,3cyclictest21087-21perf23:54:590
135599103,3cyclictest12342-21sed20:40:000
13759998,1cyclictest35-21ksoftirqd/300:09:423
13759997,1cyclictest35-21ksoftirqd/323:45:143
13759997,1cyclictest35-21ksoftirqd/323:25:133
13759997,1cyclictest35-21ksoftirqd/322:05:013
13759997,1cyclictest35-21ksoftirqd/300:15:133
13689997,1cyclictest3581-21latency_hist22:05:002
13689997,1cyclictest28-21ksoftirqd/220:10:002
13689997,1cyclictest28-21ksoftirqd/220:00:002
13689991,7cyclictest14108-21apt-get21:35:112
13619990,9cyclictest0-21swapper/122:59:381
13619990,0cyclictest0-21swapper/123:55:351
13619990,0cyclictest0-21swapper/120:34:061
13559998,1cyclictest9-21ksoftirqd/023:30:130
13559996,1cyclictest9-21ksoftirqd/019:45:000
13559992,3cyclictest18307-21apt-get00:35:000
13559990,7cyclictest1029-21snmpd23:24:440
13559990,4cyclictest31134-21/usr/sbin/munin23:25:150
13559990,4cyclictest25666-21latency_hist20:00:000
13559990,4cyclictest19415-21perf20:55:000
13759988,0cyclictest35-21ksoftirqd/322:10:193
13759987,1cyclictest35-21ksoftirqd/322:15:163
13759987,1cyclictest35-21ksoftirqd/321:20:123
13759987,0cyclictest35-21ksoftirqd/323:00:123
13759986,1cyclictest693-21runrttasks22:54:223
13759986,1cyclictest35-21ksoftirqd/323:40:133
13759986,1cyclictest35-21ksoftirqd/321:10:013
13759986,1cyclictest35-21ksoftirqd/321:10:003
13759986,1cyclictest35-21ksoftirqd/319:29:593
13759986,1cyclictest1029-21snmpd23:55:153
13759986,1cyclictest1029-21snmpd21:50:413
13759986,1cyclictest1029-21snmpd21:35:223
13759986,1cyclictest1029-21snmpd20:35:183
13759986,1cyclictest1029-21snmpd19:55:313
13759986,1cyclictest1029-21snmpd19:34:063
13759986,1cyclictest1029-21snmpd19:18:483
13759980,5cyclictest6996-21apt-get19:20:113
13759980,4cyclictest3606-21ntp_offset23:30:183
13689988,0cyclictest0-21swapper/223:32:452
13689988,0cyclictest0-21swapper/222:43:242
13689987,1cyclictest28-21ksoftirqd/200:17:442
13689986,1cyclictest61650irq/122-eno123:25:142
13689986,1cyclictest1029-21snmpd20:31:142
13689986,1cyclictest1029-21snmpd00:01:302
13689985,3cyclictest0-21swapper/219:20:182
13689980,6cyclictest1029-21snmpd21:54:052
13689980,1cyclictest0-21swapper/200:05:072
13619980,8cyclictest0-21swapper/122:25:211
13559987,1cyclictest9-21ksoftirqd/023:45:150
13559987,1cyclictest9-21ksoftirqd/023:10:000
13559987,1cyclictest693-21runrttasks21:45:550
13559986,1cyclictest1029-21snmpd21:01:400
13559984,2cyclictest240-21systemd-journal23:00:000
13559982,1cyclictest26637-21diskmemload21:50:190
13559981,6cyclictest949-21ssh22:00:150
13559981,6cyclictest7648-21ssh00:20:130
13559981,1cyclictest3676-21ssh00:15:010
13559980,7cyclictest31233-21ssh00:07:250
13559980,7cyclictest25817-21ssh23:16:150
13559980,1cyclictest7767-21ssh22:53:100
13559980,1cyclictest0-21swapper/021:05:120
13559980,1cyclictest0-21swapper/021:05:120
13759977,0cyclictest35-21ksoftirqd/322:41:413
13759977,0cyclictest35-21ksoftirqd/321:45:183
13759976,1cyclictest26130-21aten_r1power_en22:35:123
13759975,1cyclictest35-21ksoftirqd/321:10:153
13759975,1cyclictest20474-21ssh22:25:233
13759975,1cyclictest1029-21snmpd23:05:313
13759975,1cyclictest1029-21snmpd20:56:423
13759975,1cyclictest1029-21snmpd19:44:223
13759974,0cyclictest26637-21diskmemload21:26:483
13759973,2cyclictest240-21systemd-journal20:20:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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