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2026-03-30 - 12:16
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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 Mon Mar 30, 2026 00:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129272229157,25sleep20-21swapper/219:07:502
130082205148,43sleep00-21swapper/019:08:530
128612201163,24sleep30-21swapper/319:06:593
128792197160,24sleep10-21swapper/119:07:131
206522730,0sleep20-21swapper/200:15:162
19442730,0sleep20-21swapper/221:45:122
65372680,0sleep30-21swapper/323:15:143
131392640,1sleep21318199cyclictest21:18:422
13181992019,1cyclictest28-21ksoftirqd/220:25:012
13181992018,1cyclictest28-21ksoftirqd/219:25:002
13181991918,1cyclictest28-21ksoftirqd/221:55:182
169682180,0sleep10-21swapper/121:23:131
13181991717,0cyclictest28-21ksoftirqd/220:15:152
13181991716,1cyclictest28-21ksoftirqd/221:40:142
169922160,0sleep20-21swapper/222:05:112
13181991616,0cyclictest28-21ksoftirqd/223:59:132
13181991616,0cyclictest28-21ksoftirqd/223:59:132
13181991616,0cyclictest28-21ksoftirqd/200:23:262
13181991515,0cyclictest28-21ksoftirqd/223:46:352
13181991515,0cyclictest28-21ksoftirqd/223:21:062
13181991515,0cyclictest28-21ksoftirqd/223:16:172
13181991515,0cyclictest28-21ksoftirqd/222:46:252
13181991515,0cyclictest28-21ksoftirqd/222:44:092
13181991515,0cyclictest28-21ksoftirqd/222:14:092
13181991515,0cyclictest28-21ksoftirqd/221:52:312
13181991515,0cyclictest28-21ksoftirqd/200:01:032
13181991514,1cyclictest28-21ksoftirqd/223:41:542
13181991514,1cyclictest28-21ksoftirqd/222:26:242
13181991514,1cyclictest28-21ksoftirqd/221:11:222
13181991514,1cyclictest28-21ksoftirqd/220:40:002
13181991513,1cyclictest28-21ksoftirqd/220:10:182
13181991513,1cyclictest28-21ksoftirqd/220:10:182
13181991414,0cyclictest28-21ksoftirqd/223:53:132
13181991414,0cyclictest28-21ksoftirqd/223:31:252
13181991414,0cyclictest28-21ksoftirqd/223:08:322
13181991414,0cyclictest28-21ksoftirqd/223:03:552
13181991414,0cyclictest28-21ksoftirqd/200:36:122
13181991413,1cyclictest28-21ksoftirqd/221:21:512
13181991413,0cyclictest28-21ksoftirqd/221:37:562
13188991311,1cyclictest35-21ksoftirqd/320:20:013
13181991313,0cyclictest28-21ksoftirqd/223:37:162
13181991313,0cyclictest28-21ksoftirqd/222:52:102
13181991313,0cyclictest28-21ksoftirqd/222:33:382
13181991313,0cyclictest28-21ksoftirqd/222:22:352
13181991313,0cyclictest28-21ksoftirqd/221:33:462
13181991313,0cyclictest28-21ksoftirqd/221:26:142
13181991313,0cyclictest28-21ksoftirqd/200:33:052
13181991313,0cyclictest28-21ksoftirqd/200:12:292
13181991311,1cyclictest28-21ksoftirqd/223:00:002
13181991311,1cyclictest28-21ksoftirqd/222:36:032
13181991311,1cyclictest28-21ksoftirqd/220:50:002
13181991310,2cyclictest14817-21switchtime19:10:202
1317699130,13cyclictest0-21swapper/119:55:391
1317699130,12cyclictest0-21swapper/119:50:171
13175991311,1cyclictest9-21ksoftirqd/000:00:010
13175991311,1cyclictest9-21ksoftirqd/000:00:000
1318199128,1cyclictest28-21ksoftirqd/220:25:132
1318199125,6cyclictest28-21ksoftirqd/223:10:112
13181991212,0cyclictest28-21ksoftirqd/223:25:162
13181991212,0cyclictest28-21ksoftirqd/222:04:142
13181991211,1cyclictest28-21ksoftirqd/222:15:192
13181991211,1cyclictest28-21ksoftirqd/220:54:592
13181991210,1cyclictest28-21ksoftirqd/219:55:002
13181991210,1cyclictest28-21ksoftirqd/219:45:002
13181991210,1cyclictest28-21ksoftirqd/219:35:002
13181991210,1cyclictest28-21ksoftirqd/219:15:012
1317699128,4cyclictest0-21swapper/122:22:451
1317699120,0cyclictest0-21swapper/123:41:071
13175991210,1cyclictest9-21ksoftirqd/022:20:010
13175991210,1cyclictest9-21ksoftirqd/021:45:000
13175991210,1cyclictest9-21ksoftirqd/019:25:010
1318899110,4cyclictest16897-21apt-get22:05:113
1318899110,4cyclictest0-21swapper/321:25:153
1318199119,1cyclictest28-21ksoftirqd/221:00:212
1318199119,1cyclictest28-21ksoftirqd/220:55:162
1318199119,1cyclictest28-21ksoftirqd/220:40:112
1318199119,1cyclictest28-21ksoftirqd/220:30:152
1318199119,1cyclictest28-21ksoftirqd/219:45:122
1318199119,1cyclictest28-21ksoftirqd/219:25:212
1318199113,7cyclictest28-21ksoftirqd/220:00:142
13181991110,1cyclictest28-21ksoftirqd/221:05:122
13181991110,1cyclictest28-21ksoftirqd/219:55:102
13181991110,1cyclictest28-21ksoftirqd/200:25:112
1317599119,1cyclictest9-21ksoftirqd/021:34:590
1317599112,4cyclictest20478-21sed22:10:010
1318899100,4cyclictest0-21swapper/320:35:103
1318199109,1cyclictest28-21ksoftirqd/219:35:112
1318199108,1cyclictest28-21ksoftirqd/220:05:142
1318199108,1cyclictest28-21ksoftirqd/200:05:082
1317699106,4cyclictest21-21ksoftirqd/100:25:531
1317599108,1cyclictest9-21ksoftirqd/022:45:140
1317599108,1cyclictest9-21ksoftirqd/000:30:120
1317599108,1cyclictest9-21ksoftirqd/000:15:160
131889998,1cyclictest35-21ksoftirqd/319:34:383
131889990,5cyclictest31366-21apt-get00:30:123
131889990,5cyclictest0-21swapper/300:05:123
131769995,4cyclictest56-21kworker/1:119:12:261
131769995,4cyclictest21-21ksoftirqd/122:45:101
131769995,0cyclictest21-21ksoftirqd/122:56:221
131759998,1cyclictest9-21ksoftirqd/023:35:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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