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2026-01-07 - 21:57
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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 Wed Jan 07, 2026 12:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161372207156,26sleep30-21swapper/307:09:083
161662205149,42sleep00-21swapper/007:09:300
159292202149,41sleep10-21swapper/107:06:241
158832200162,25sleep20-21swapper/207:05:492
176902550,0sleep00-21swapper/010:35:130
230952410,1sleep223097-21aten_r1power_fr11:55:132
16308991514,1cyclictest35-21ksoftirqd/307:35:223
1628199140,13cyclictest4774-21unixbench-2d10:05:230
1630899124,5cyclictest35-21ksoftirqd/311:05:133
1630899119,1cyclictest35-21ksoftirqd/309:00:003
1629999119,1cyclictest28-21ksoftirqd/211:05:002
1629999110,10cyclictest15954-21apt-get11:40:092
1628199119,1cyclictest9-21ksoftirqd/010:15:000
1628199113,4cyclictest15514-21munin-run11:40:010
16281991110,1cyclictest9-21ksoftirqd/011:50:000
1629999109,1cyclictest28-21ksoftirqd/209:40:182
1629999109,1cyclictest28-21ksoftirqd/208:20:002
1629999108,1cyclictest28-21ksoftirqd/210:45:002
1629999108,1cyclictest28-21ksoftirqd/210:25:142
1629999108,1cyclictest28-21ksoftirqd/209:30:192
1629999108,1cyclictest28-21ksoftirqd/208:59:592
1629999108,1cyclictest28-21ksoftirqd/208:50:002
1629999100,5cyclictest0-21swapper/209:15:202
1628199101,4cyclictest5936-21latency_hist11:20:000
163089998,1cyclictest35-21ksoftirqd/312:15:123
163089998,1cyclictest35-21ksoftirqd/310:25:003
163089998,1cyclictest35-21ksoftirqd/308:45:103
163089997,1cyclictest35-21ksoftirqd/312:35:013
162999998,1cyclictest28-21ksoftirqd/211:54:592
162999998,1cyclictest28-21ksoftirqd/211:25:132
162999998,1cyclictest28-21ksoftirqd/211:25:132
162999998,1cyclictest28-21ksoftirqd/209:50:002
162999998,0cyclictest28-21ksoftirqd/209:35:132
162999997,1cyclictest28-21ksoftirqd/212:30:112
162999997,1cyclictest28-21ksoftirqd/210:50:002
162999997,1cyclictest28-21ksoftirqd/210:00:002
162999997,1cyclictest28-21ksoftirqd/209:20:112
162999997,1cyclictest28-21ksoftirqd/209:05:142
162999991,8cyclictest0-21swapper/210:17:082
162999990,8cyclictest10674-21cron08:04:592
162999990,3cyclictest0-21swapper/212:10:102
162819991,4cyclictest7141-21perf12:30:010
162819991,4cyclictest7141-21perf12:30:010
162819990,2cyclictest240-21systemd-journal07:15:010
163089988,0cyclictest35-21ksoftirqd/311:50:173
163089988,0cyclictest35-21ksoftirqd/309:10:203
163089987,1cyclictest707-21snmpd10:41:353
163089987,1cyclictest35-21ksoftirqd/309:35:143
163089987,1cyclictest35-21ksoftirqd/308:42:143
163089987,1cyclictest35-21ksoftirqd/307:15:003
163089986,1cyclictest707-21snmpd12:20:523
163089986,1cyclictest707-21snmpd11:13:263
163089986,1cyclictest707-21snmpd11:02:573
163089986,1cyclictest707-21snmpd10:07:143
163089986,1cyclictest707-21snmpd08:15:433
163089986,1cyclictest707-21snmpd08:04:193
163089986,1cyclictest35-21ksoftirqd/310:15:003
163089986,1cyclictest30304-21apt-get12:10:113
163089983,3cyclictest25882-21hwlatdetect08:35:143
162999987,1cyclictest28-21ksoftirqd/211:05:172
162999987,1cyclictest28-21ksoftirqd/207:51:502
162999986,1cyclictest707-21snmpd09:53:202
162999986,1cyclictest61650irq/122-eno108:05:122
162999986,1cyclictest61650irq/122-eno107:25:132
162999986,1cyclictest61650irq/122-eno107:15:132
162999986,1cyclictest28942-21munin-run07:35:012
162999986,1cyclictest28-21ksoftirqd/211:35:112
162999986,1cyclictest28-21ksoftirqd/208:40:012
162999986,1cyclictest28-21ksoftirqd/208:25:152
162999986,1cyclictest1069-21kworker/2:211:30:162
162999985,3cyclictest61650irq/122-eno107:45:092
162999984,3cyclictest28-21ksoftirqd/212:15:132
162999980,4cyclictest0-21swapper/211:20:122
162819986,1cyclictest9-21ksoftirqd/009:09:590
162819986,1cyclictest9-21ksoftirqd/008:55:000
162819986,1cyclictest0-21swapper/009:35:140
162819985,1cyclictest9-21ksoftirqd/009:55:200
162819983,4cyclictest0-21swapper/010:45:140
163089976,1cyclictest6999-21cat11:20:163
163089976,1cyclictest35-21ksoftirqd/311:50:003
163089976,1cyclictest35-21ksoftirqd/309:20:123
163089976,1cyclictest35-21ksoftirqd/308:25:193
163089976,1cyclictest35-21ksoftirqd/308:20:183
163089976,1cyclictest29332-21cat09:50:143
163089975,1cyclictest707-21snmpd12:35:473
163089975,1cyclictest707-21snmpd12:07:223
163089975,1cyclictest707-21snmpd12:01:423
163089975,1cyclictest707-21snmpd11:15:113
163089975,1cyclictest707-21snmpd10:34:303
163089975,1cyclictest707-21snmpd09:25:103
163089975,1cyclictest707-21snmpd09:08:183
163089975,1cyclictest707-21snmpd07:43:463
163089975,1cyclictest707-21snmpd07:25:393
163089975,1cyclictest707-21snmpd07:18:003
163089975,1cyclictest35-21ksoftirqd/311:40:093
163089975,1cyclictest35-21ksoftirqd/308:10:153
163089975,1cyclictest35-21ksoftirqd/307:45:133
163089973,3cyclictest35-21ksoftirqd/310:50:123
163089972,4cyclictest0-21swapper/307:50:123
163089970,4cyclictest12588-21apt-get10:25:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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