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2026-03-21 - 23:43
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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 Sat Mar 21, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112602224161,24sleep10-21swapper/107:07:131
113182204164,26sleep20-21swapper/207:07:592
113092201161,26sleep30-21swapper/307:07:523
114652198159,25sleep00-21swapper/007:09:540
198582790,0sleep10-21swapper/110:10:121
194212680,1sleep20-21swapper/209:27:442
11545991817,1cyclictest9-21ksoftirqd/008:10:000
11554991616,0cyclictest28-21ksoftirqd/210:09:562
11554991615,1cyclictest28-21ksoftirqd/212:18:482
11554991515,0cyclictest28-21ksoftirqd/211:41:242
11554991515,0cyclictest28-21ksoftirqd/210:19:432
264522140,1sleep121-21ksoftirqd/112:24:091
11554991414,0cyclictest28-21ksoftirqd/212:30:432
11554991414,0cyclictest28-21ksoftirqd/212:26:062
11554991414,0cyclictest28-21ksoftirqd/211:46:442
11554991414,0cyclictest28-21ksoftirqd/211:24:512
11554991414,0cyclictest28-21ksoftirqd/211:08:172
11554991414,0cyclictest28-21ksoftirqd/210:39:012
11554991414,0cyclictest28-21ksoftirqd/210:30:592
11554991414,0cyclictest28-21ksoftirqd/209:56:442
11554991414,0cyclictest28-21ksoftirqd/209:37:482
11554991414,0cyclictest28-21ksoftirqd/209:10:012
11554991413,1cyclictest28-21ksoftirqd/210:27:122
11554991413,0cyclictest28-21ksoftirqd/211:28:432
11554991413,0cyclictest28-21ksoftirqd/209:44:392
11554991313,0cyclictest28-21ksoftirqd/212:37:482
11554991313,0cyclictest28-21ksoftirqd/212:20:112
11554991313,0cyclictest28-21ksoftirqd/211:55:112
11554991313,0cyclictest28-21ksoftirqd/211:50:592
11554991313,0cyclictest28-21ksoftirqd/211:34:222
11554991313,0cyclictest28-21ksoftirqd/211:13:282
11554991313,0cyclictest28-21ksoftirqd/210:59:442
11554991313,0cyclictest28-21ksoftirqd/210:53:532
11554991313,0cyclictest28-21ksoftirqd/210:44:142
11554991313,0cyclictest28-21ksoftirqd/210:20:412
11554991313,0cyclictest28-21ksoftirqd/210:20:412
11554991313,0cyclictest28-21ksoftirqd/210:00:542
11554991313,0cyclictest28-21ksoftirqd/209:53:592
11545991312,1cyclictest9-21ksoftirqd/010:20:000
1155499126,6cyclictest28-21ksoftirqd/208:40:162
1155499124,8cyclictest28-21ksoftirqd/210:46:582
11554991212,0cyclictest28-21ksoftirqd/212:11:552
11554991212,0cyclictest28-21ksoftirqd/212:02:452
11554991212,0cyclictest28-21ksoftirqd/211:16:532
11554991212,0cyclictest28-21ksoftirqd/211:00:542
11554991212,0cyclictest28-21ksoftirqd/210:10:082
11554991212,0cyclictest28-21ksoftirqd/209:21:132
11554991212,0cyclictest28-21ksoftirqd/209:15:542
11545991212,0cyclictest0-21swapper/008:00:110
11545991211,1cyclictest9-21ksoftirqd/010:25:000
11545991211,1cyclictest9-21ksoftirqd/010:25:000
11545991211,1cyclictest12419-21ssh11:24:350
11545991210,1cyclictest9-21ksoftirqd/012:20:010
11545991210,1cyclictest9-21ksoftirqd/011:00:000
11545991210,1cyclictest9-21ksoftirqd/010:45:150
11545991210,1cyclictest9-21ksoftirqd/010:35:010
1156299119,1cyclictest35-21ksoftirqd/308:25:003
1156299110,5cyclictest27078-21apt-get12:25:113
1155499119,1cyclictest28-21ksoftirqd/208:45:202
1155499114,7cyclictest28-21ksoftirqd/212:08:342
1155499114,7cyclictest28-21ksoftirqd/208:10:122
11554991110,1cyclictest28-21ksoftirqd/209:45:202
1155499111,9cyclictest28-21ksoftirqd/209:32:472
1154599119,1cyclictest9-21ksoftirqd/009:45:000
1154599119,1cyclictest9-21ksoftirqd/009:35:010
1154599112,4cyclictest8768-21cat11:20:000
11545991110,1cyclictest9-21ksoftirqd/012:30:160
11545991110,1cyclictest9-21ksoftirqd/010:45:000
11545991110,1cyclictest9-21ksoftirqd/009:00:000
11545991110,1cyclictest9-21ksoftirqd/007:50:010
11545991110,1cyclictest9-21ksoftirqd/007:30:000
1156299109,1cyclictest35-21ksoftirqd/310:45:103
1156299108,1cyclictest35-21ksoftirqd/307:45:003
1156299101,7cyclictest3751-21kworker/u8:012:19:483
1155499109,1cyclictest28-21ksoftirqd/207:45:152
1155499104,6cyclictest28-21ksoftirqd/209:04:522
1155499103,7cyclictest28-21ksoftirqd/208:31:362
1155499103,7cyclictest28-21ksoftirqd/207:58:122
1155499102,8cyclictest28-21ksoftirqd/207:14:442
1154599109,1cyclictest9-21ksoftirqd/012:05:120
1154599109,1cyclictest9-21ksoftirqd/011:35:010
1154599109,1cyclictest2173-21ssh09:46:220
1154599108,1cyclictest9-21ksoftirqd/012:00:120
1154599108,1cyclictest9-21ksoftirqd/009:50:120
1154599108,1cyclictest9-21ksoftirqd/008:25:000
115629997,1cyclictest9627-21fschecks_time11:20:143
115629990,4cyclictest4208-21diskmemload11:50:143
115549999,0cyclictest28-21ksoftirqd/208:39:402
115549999,0cyclictest28-21ksoftirqd/207:54:442
115549998,1cyclictest28-21ksoftirqd/211:35:142
115549998,1cyclictest28-21ksoftirqd/208:55:112
115549998,1cyclictest28-21ksoftirqd/208:20:002
115549998,1cyclictest28-21ksoftirqd/207:40:172
115549998,1cyclictest28-21ksoftirqd/207:30:012
115549991,5cyclictest28-21ksoftirqd/207:15:002
115459998,1cyclictest9-21ksoftirqd/012:10:150
115459998,1cyclictest9-21ksoftirqd/011:15:000
115459998,1cyclictest9-21ksoftirqd/011:05:200
115459998,1cyclictest9-21ksoftirqd/010:30:010
115459998,1cyclictest9-21ksoftirqd/009:35:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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