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2026-08-20 - 16:51
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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 Thu Aug 20, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60612229157,25sleep20-21swapper/207:08:392
61272200146,21sleep10-21swapper/107:09:301
60322199160,25sleep30-21swapper/307:08:173
59252198161,24sleep00-21swapper/007:06:530
255582590,0sleep00-21swapper/008:55:130
6267991413,1cyclictest35-21ksoftirqd/308:45:003
232882140,0sleep30-21swapper/307:40:203
625499130,12cyclictest0-21swapper/107:40:181
624799130,12cyclictest0-21swapper/007:20:110
624799129,1cyclictest9-21ksoftirqd/009:16:590
6247991212,0cyclictest9-21ksoftirqd/009:25:010
6247991210,1cyclictest9-21ksoftirqd/009:35:190
6247991210,1cyclictest9-21ksoftirqd/009:20:140
6267991110,1cyclictest35-21ksoftirqd/312:30:003
6267991110,1cyclictest35-21ksoftirqd/312:00:003
6267991110,1cyclictest22406-21ssh11:13:063
626099119,1cyclictest28-21ksoftirqd/208:25:002
626099110,11cyclictest0-21swapper/210:50:482
6254991111,0cyclictest0-21swapper/111:35:111
624799113,4cyclictest29360-21date12:10:000
624799113,4cyclictest24873-21wc08:55:000
6247991111,0cyclictest9-21ksoftirqd/011:39:140
6247991110,1cyclictest9-21ksoftirqd/012:10:140
6247991110,1cyclictest9-21ksoftirqd/011:10:130
6247991110,1cyclictest9-21ksoftirqd/010:25:140
6247991110,1cyclictest9-21ksoftirqd/010:10:200
626799109,1cyclictest35-21ksoftirqd/310:50:133
626799109,1cyclictest35-21ksoftirqd/309:57:203
626799109,1cyclictest35-21ksoftirqd/309:20:003
626799109,1cyclictest35-21ksoftirqd/308:20:013
626799108,1cyclictest35-21ksoftirqd/312:10:123
626799108,1cyclictest35-21ksoftirqd/310:25:133
6267991010,0cyclictest35-21ksoftirqd/310:35:003
626799100,6cyclictest11301-21snmpd10:44:263
626099100,9cyclictest0-21swapper/211:50:202
626099100,10cyclictest29881-21kworker/u8:110:56:392
624799109,1cyclictest9-21ksoftirqd/012:35:150
624799109,1cyclictest9-21ksoftirqd/008:30:140
624799109,1cyclictest9-21ksoftirqd/008:10:150
624799108,1cyclictest9-21ksoftirqd/007:50:000
624799108,1cyclictest9-21ksoftirqd/007:40:000
624799101,9cyclictest12453-21kworker/u8:211:23:120
62679998,1cyclictest35-21ksoftirqd/311:20:013
62679998,1cyclictest35-21ksoftirqd/309:45:353
62679998,1cyclictest35-21ksoftirqd/309:30:003
62679998,1cyclictest35-21ksoftirqd/308:55:003
62679990,4cyclictest0-21swapper/309:22:303
62609999,0cyclictest0-21swapper/211:06:422
62609998,1cyclictest28-21ksoftirqd/210:08:262
62609997,1cyclictest28-21ksoftirqd/209:32:402
62609997,1cyclictest28-21ksoftirqd/207:45:002
62609995,3cyclictest61650irq/122-eno108:35:162
62609995,2cyclictest31186-21apt-get10:40:112
62609991,7cyclictest11301-21snmpd09:18:022
62549990,4cyclictest0-21swapper/111:55:101
62479999,0cyclictest9-21ksoftirqd/011:55:170
62479999,0cyclictest9-21ksoftirqd/011:26:170
62479999,0cyclictest9-21ksoftirqd/010:30:130
62479999,0cyclictest9-21ksoftirqd/010:05:130
62479998,1cyclictest9-21ksoftirqd/011:40:130
62479998,1cyclictest9-21ksoftirqd/010:50:130
62479998,1cyclictest9-21ksoftirqd/010:35:160
62479998,1cyclictest9-21ksoftirqd/010:15:140
62479998,1cyclictest9-21ksoftirqd/009:10:180
62479998,1cyclictest9-21ksoftirqd/008:20:120
62479998,1cyclictest9-21ksoftirqd/007:45:000
62479998,1cyclictest9-21ksoftirqd/007:15:000
62479997,1cyclictest9-21ksoftirqd/012:00:130
62479997,1cyclictest9-21ksoftirqd/010:50:000
62479997,1cyclictest9-21ksoftirqd/009:55:150
62479997,1cyclictest9-21ksoftirqd/007:50:110
62479990,4cyclictest29668-21cut09:05:000
62679988,0cyclictest35-21ksoftirqd/311:20:113
62679987,1cyclictest35-21ksoftirqd/312:10:013
62679987,1cyclictest35-21ksoftirqd/311:40:203
62679987,1cyclictest35-21ksoftirqd/310:15:143
62679987,1cyclictest35-21ksoftirqd/308:15:003
62679987,1cyclictest35-21ksoftirqd/307:45:123
62679987,1cyclictest35-21ksoftirqd/307:12:253
62679986,1cyclictest11301-21snmpd11:39:503
62679986,1cyclictest11301-21snmpd11:00:473
62679986,1cyclictest11301-21snmpd09:35:523
62679986,1cyclictest11301-21snmpd08:37:113
62679984,4cyclictest18728-21nscd10:58:473
62679982,5cyclictest31974-21diskmemload12:36:353
62609986,1cyclictest61650irq/122-eno110:45:212
62609986,1cyclictest61650irq/122-eno110:36:552
62609986,1cyclictest28-21ksoftirqd/208:55:012
62609986,1cyclictest11301-21snmpd12:04:002
62609986,1cyclictest11301-21snmpd11:41:302
62609986,1cyclictest11301-21snmpd11:36:562
62609986,1cyclictest11301-21snmpd09:39:422
62609986,1cyclictest11301-21snmpd08:00:502
62609981,6cyclictest6861-21apt-get09:20:122
62549981,1cyclictest0-21swapper/109:47:141
62479987,1cyclictest9-21ksoftirqd/012:20:110
62479987,1cyclictest9-21ksoftirqd/012:15:160
62479987,1cyclictest9-21ksoftirqd/011:50:010
62479987,1cyclictest9-21ksoftirqd/010:55:540
62479987,1cyclictest9-21ksoftirqd/010:40:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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