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2026-04-26 - 04:40
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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 Sun Apr 26, 2026 00:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185302213150,21sleep20-21swapper/219:09:122
185922202164,24sleep00-21swapper/019:09:570
183182200161,25sleep30-21swapper/319:06:273
184222197160,24sleep10-21swapper/119:07:461
151652430,0sleep10-21swapper/121:55:141
1869799140,13cyclictest0-21swapper/221:50:122
1869299140,13cyclictest0-21swapper/121:50:171
1869299140,13cyclictest0-21swapper/119:25:211
313322130,0sleep20-21swapper/220:40:182
18697991311,1cyclictest28-21ksoftirqd/200:05:002
18684991312,1cyclictest9-21ksoftirqd/022:00:000
18697991211,1cyclictest28-21ksoftirqd/222:25:002
18697991210,1cyclictest28-21ksoftirqd/222:35:152
18684991211,1cyclictest9-21ksoftirqd/021:20:010
230862110,0sleep30-21swapper/320:25:123
1869799119,1cyclictest28-21ksoftirqd/221:36:012
1869799119,1cyclictest28-21ksoftirqd/200:22:002
18697991110,1cyclictest28-21ksoftirqd/200:34:052
1868499119,1cyclictest9-21ksoftirqd/019:54:590
1868499111,5cyclictest22560-21perf20:25:010
1868499111,5cyclictest22560-21perf20:25:000
1870599100,7cyclictest21045-21munin-node22:43:443
1869799109,1cyclictest28-21ksoftirqd/223:56:302
1869799109,1cyclictest28-21ksoftirqd/222:55:402
1869799109,1cyclictest28-21ksoftirqd/222:43:162
1869799109,1cyclictest28-21ksoftirqd/221:44:552
1869799109,1cyclictest28-21ksoftirqd/221:31:382
1869799109,1cyclictest28-21ksoftirqd/219:35:002
1869799109,1cyclictest28-21ksoftirqd/200:35:162
1869799100,6cyclictest0-21swapper/222:30:122
1869799100,5cyclictest11522-21diskmemload23:25:112
1868499104,5cyclictest9-21ksoftirqd/019:50:000
186979999,0cyclictest61650irq/122-eno121:25:112
186979999,0cyclictest0-21swapper/220:09:422
186979998,1cyclictest28-21ksoftirqd/223:15:172
186979998,1cyclictest28-21ksoftirqd/223:10:112
186979998,1cyclictest28-21ksoftirqd/221:15:102
186979998,1cyclictest28-21ksoftirqd/200:10:122
186979998,1cyclictest28-21ksoftirqd/200:05:142
186979997,1cyclictest271rcuc/222:25:142
186979990,8cyclictest0-21swapper/223:05:222
186849998,1cyclictest9-21ksoftirqd/020:39:590
186849997,1cyclictest9-21ksoftirqd/020:54:590
186849993,5cyclictest11522-21diskmemload22:34:590
186849991,4cyclictest7744-21perf23:55:010
186849990,3cyclictest0-21swapper/000:34:550
15943290,0sleep311522-21diskmemload23:21:043
187059986,1cyclictest17998-21snmpd22:29:023
187059986,1cyclictest17998-21snmpd22:17:093
187059986,1cyclictest17998-21snmpd21:04:073
187059986,1cyclictest17998-21snmpd20:39:173
187059986,1cyclictest17998-21snmpd20:04:133
187059986,1cyclictest17998-21snmpd19:32:513
187059983,4cyclictest0-21swapper/323:50:153
187059983,1cyclictest11522-21diskmemload00:13:183
187059981,4cyclictest0-21swapper/320:40:123
187059981,3cyclictest25108-21apt-get20:30:123
187059980,6cyclictest0-21swapper/319:45:183
187059980,4cyclictest0-21swapper/323:15:123
187059980,4cyclictest0-21swapper/322:24:573
186979988,0cyclictest0-21swapper/223:32:082
186979987,1cyclictest28-21ksoftirqd/223:50:472
186979987,1cyclictest28-21ksoftirqd/223:47:582
186979986,1cyclictest28-21ksoftirqd/223:40:342
186979986,1cyclictest28-21ksoftirqd/221:00:002
186979986,1cyclictest17998-21snmpd22:12:252
186979986,1cyclictest17998-21snmpd21:12:502
186979986,1cyclictest17998-21snmpd20:29:432
186979982,3cyclictest25290-21apt-get23:35:112
186979980,3cyclictest0-21swapper/220:10:122
186849988,0cyclictest9-21ksoftirqd/021:38:560
186849986,1cyclictest25013-21ssh21:25:200
186849986,1cyclictest17998-21snmpd21:20:270
186849986,1cyclictest17998-21snmpd19:28:090
186849986,1cyclictest17998-21snmpd19:20:020
186849986,1cyclictest17998-21snmpd19:20:010
186849981,6cyclictest23995-21ssh22:06:090
186849981,6cyclictest15922-21ssh23:20:590
186849981,1cyclictest9860-21ssh21:49:190
186849980,7cyclictest23790-21cat00:15:120
186849980,7cyclictest0-21swapper/023:10:170
187059977,0cyclictest35-21ksoftirqd/321:56:493
187059976,1cyclictest19135-21ssh21:19:373
187059975,1cyclictest32043-21ssh23:43:373
187059975,1cyclictest29087-21ssh00:20:433
187059975,1cyclictest24367-21ssh23:33:173
187059975,1cyclictest24332-21ssh22:07:053
187059975,1cyclictest17998-21snmpd20:48:113
187059975,1cyclictest17998-21snmpd19:50:293
187059975,1cyclictest17998-21snmpd19:42:273
187059975,1cyclictest17998-21snmpd19:21:323
187059975,1cyclictest17998-21snmpd19:21:313
187059975,1cyclictest14386-21ssh00:02:003
187059974,2cyclictest18679-21cyclictest22:11:303
187059973,2cyclictest571-21nscd00:05:263
187059973,2cyclictest11522-21diskmemload23:55:023
187059972,4cyclictest2282-21idleruntime-cro23:05:013
187059972,4cyclictest2282-21idleruntime-cro23:05:013
187059971,6cyclictest17998-21snmpd20:21:163
187059971,6cyclictest17998-21snmpd20:21:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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