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2026-07-20 - 18:14
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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 Jul 20, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210452214162,26sleep30-21swapper/307:07:523
211792202166,23sleep10-21swapper/107:09:341
211112202163,26sleep20-21swapper/207:08:432
210122197159,25sleep00-21swapper/007:07:250
240032690,0sleep00-21swapper/009:21:210
21289992221,1cyclictest9-21ksoftirqd/009:59:590
21289991917,1cyclictest9-21ksoftirqd/007:15:000
21289991715,1cyclictest9-21ksoftirqd/009:30:130
21289991615,1cyclictest9-21ksoftirqd/010:25:160
21289991615,1cyclictest9-21ksoftirqd/010:15:480
21289991614,1cyclictest9-21ksoftirqd/011:00:120
21289991515,0cyclictest9-21ksoftirqd/012:23:540
21289991515,0cyclictest9-21ksoftirqd/010:59:480
21289991515,0cyclictest9-21ksoftirqd/010:40:160
21289991515,0cyclictest9-21ksoftirqd/010:08:130
21289991515,0cyclictest9-21ksoftirqd/008:00:130
21289991515,0cyclictest9-21ksoftirqd/007:57:590
21289991513,1cyclictest9-21ksoftirqd/007:30:150
21289991414,0cyclictest9-21ksoftirqd/012:25:380
21289991414,0cyclictest9-21ksoftirqd/010:31:020
21289991414,0cyclictest9-21ksoftirqd/010:04:290
21289991414,0cyclictest9-21ksoftirqd/009:44:520
21289991414,0cyclictest9-21ksoftirqd/008:50:130
21289991413,1cyclictest9-21ksoftirqd/012:20:010
21289991413,1cyclictest9-21ksoftirqd/009:46:380
21289991412,1cyclictest9-21ksoftirqd/010:25:010
21289991412,1cyclictest9-21ksoftirqd/009:20:000
21289991412,1cyclictest9-21ksoftirqd/007:10:100
2129499130,12cyclictest0-21swapper/108:40:181
2128999139,3cyclictest9-21ksoftirqd/009:10:010
21289991313,0cyclictest9-21ksoftirqd/010:11:330
21289991313,0cyclictest9-21ksoftirqd/009:35:160
21289991312,1cyclictest9-21ksoftirqd/011:40:100
21289991312,1cyclictest9-21ksoftirqd/007:47:300
21289991311,1cyclictest9-21ksoftirqd/012:00:000
21289991311,1cyclictest9-21ksoftirqd/011:25:010
21289991311,1cyclictest9-21ksoftirqd/011:15:140
21289991311,1cyclictest9-21ksoftirqd/010:55:000
21289991311,1cyclictest9-21ksoftirqd/010:45:120
21312991211,1cyclictest35-21ksoftirqd/309:40:013
2128999128,4cyclictest9-21ksoftirqd/008:35:120
2128999128,3cyclictest9-21ksoftirqd/012:03:200
2128999126,1cyclictest9-21ksoftirqd/009:25:160
21289991212,0cyclictest9-21ksoftirqd/010:37:370
21289991212,0cyclictest9-21ksoftirqd/009:50:170
21289991212,0cyclictest9-21ksoftirqd/007:40:110
21289991211,1cyclictest9-21ksoftirqd/012:10:120
21289991211,1cyclictest9-21ksoftirqd/011:53:100
21289991211,1cyclictest9-21ksoftirqd/011:45:130
21289991211,1cyclictest9-21ksoftirqd/008:25:000
21289991211,0cyclictest9-21ksoftirqd/012:05:110
21289991210,1cyclictest9-21ksoftirqd/012:30:150
21289991210,1cyclictest9-21ksoftirqd/011:30:150
21289991210,1cyclictest9-21ksoftirqd/011:15:000
21289991210,1cyclictest9-21ksoftirqd/011:05:190
21289991210,1cyclictest9-21ksoftirqd/009:00:000
21289991210,1cyclictest9-21ksoftirqd/008:10:010
21289991210,1cyclictest9-21ksoftirqd/007:29:590
2131299119,1cyclictest35-21ksoftirqd/309:45:003
2131299119,1cyclictest35-21ksoftirqd/308:15:003
2128999119,1cyclictest9-21ksoftirqd/011:35:130
2128999119,1cyclictest9-21ksoftirqd/009:05:010
2128999119,1cyclictest9-21ksoftirqd/008:45:150
2128999119,1cyclictest9-21ksoftirqd/008:15:130
2128999119,1cyclictest9-21ksoftirqd/007:35:140
21289991111,0cyclictest9-21ksoftirqd/012:35:000
21289991110,1cyclictest9-21ksoftirqd/009:10:110
2128999110,9cyclictest9-21ksoftirqd/008:10:200
2131299109,1cyclictest35-21ksoftirqd/312:00:003
2131299109,1cyclictest35-21ksoftirqd/308:45:003
2131299108,1cyclictest35-21ksoftirqd/310:50:153
2131299108,1cyclictest35-21ksoftirqd/309:35:013
2130699109,1cyclictest28-21ksoftirqd/211:00:002
2130699108,1cyclictest28-21ksoftirqd/207:29:592
2130699108,1cyclictest26664-21cron07:20:002
2130699106,3cyclictest21287-21cyclictest10:03:272
2130699100,10cyclictest0-21swapper/212:20:182
2128999109,1cyclictest9-21ksoftirqd/011:25:100
2128999109,1cyclictest9-21ksoftirqd/008:25:120
2128999109,1cyclictest9-21ksoftirqd/007:50:120
2128999108,1cyclictest9-21ksoftirqd/008:40:120
2128999108,1cyclictest9-21ksoftirqd/007:20:140
213129998,1cyclictest35-21ksoftirqd/310:35:003
213129998,1cyclictest35-21ksoftirqd/309:14:593
213129998,1cyclictest35-21ksoftirqd/308:00:013
213129997,1cyclictest35-21ksoftirqd/309:30:003
213129990,5cyclictest0-21swapper/310:17:003
213069998,1cyclictest28-21ksoftirqd/212:38:322
213069998,1cyclictest28-21ksoftirqd/211:15:002
213069997,1cyclictest28-21ksoftirqd/209:00:012
212899998,1cyclictest9-21ksoftirqd/008:30:120
213129987,1cyclictest35-21ksoftirqd/311:30:003
213129987,1cyclictest35-21ksoftirqd/308:34:593
213129986,1cyclictest35-21ksoftirqd/311:45:143
213129983,4cyclictest14557-21diskmemload09:15:203
213129980,4cyclictest4146-21apt-get07:40:123
213069987,1cyclictest28-21ksoftirqd/211:25:012
213069987,1cyclictest28-21ksoftirqd/210:20:122
213069987,1cyclictest28-21ksoftirqd/209:24:592
213069987,1cyclictest28-21ksoftirqd/208:35:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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