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2026-08-29 - 06:29
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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 rackdslot4.osadl.org (updated Sat Aug 29, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63892206173,22sleep00-21swapper/019:06:260
65962205172,22sleep10-21swapper/119:09:071
138591205171,23phc2sys0-21swapper/319:08:383
64532201167,23sleep20-21swapper/219:07:162
43821360,1sleep10-21swapper/120:00:181
144272620,3sleep30-21swapper/321:30:273
308372570,2sleep10-21swapper/100:15:171
138491570,1ptp4l401ktimersoftd/323:16:023
190472560,6sleep2710299cyclictest23:50:242
123132500,2sleep20-21swapper/223:40:002
7100994628,16cyclictest9-21ksoftirqd/021:00:570
279142450,2sleep00-21swapper/019:50:190
138491450,1ptp4l401ktimersoftd/320:02:203
710399442,39cyclictest22170-21cron22:55:003
7103994237,3cyclictest30285-21fschecks_count23:10:143
138491410,1ptp4l401ktimersoftd/319:14:523
138491400,0ptp4l401ktimersoftd/321:58:163
7101993934,3cyclictest25-21ksoftirqd/122:40:001
7101993934,3cyclictest25-21ksoftirqd/122:29:591
7101993934,3cyclictest25-21ksoftirqd/120:24:591
7101993933,3cyclictest25-21ksoftirqd/121:15:001
7100993934,3cyclictest9-21ksoftirqd/023:37:090
710299389,28cyclictest0-21swapper/220:10:232
7101993833,3cyclictest25-21ksoftirqd/121:20:001
7100993833,3cyclictest9-21ksoftirqd/021:05:580
7102993731,4cyclictest33-21ksoftirqd/222:25:592
7102993731,4cyclictest33-21ksoftirqd/220:29:002
7102993731,4cyclictest33-21ksoftirqd/219:12:042
7102993730,5cyclictest33-21ksoftirqd/221:12:402
7101993732,3cyclictest25-21ksoftirqd/120:54:591
7101993731,4cyclictest25-21ksoftirqd/100:20:551
7101993731,3cyclictest25-21ksoftirqd/119:10:181
7100993731,4cyclictest9-21ksoftirqd/023:09:250
50798370,3rtkit-daemon30804-21irqstats23:10:181
7103993630,4cyclictest41-21ksoftirqd/323:35:353
7103993630,4cyclictest41-21ksoftirqd/321:47:593
7103993630,4cyclictest41-21ksoftirqd/321:27:593
7103993630,4cyclictest41-21ksoftirqd/319:49:173
7103993630,4cyclictest41-21ksoftirqd/319:38:223
7102993631,3cyclictest519-21kworker/2:222:20:182
7102993630,4cyclictest33-21ksoftirqd/222:30:312
7101993632,2cyclictest25-21ksoftirqd/122:20:011
7101993631,3cyclictest25-21ksoftirqd/119:45:011
7101993630,4cyclictest25-21ksoftirqd/100:03:381
7101993629,4cyclictest25-21ksoftirqd/100:35:151
7100993630,4cyclictest9-21ksoftirqd/021:22:580
7100993628,6cyclictest9-21ksoftirqd/020:50:010
138491360,0ptp4l401ktimersoftd/322:35:273
7103993529,4cyclictest41-21ksoftirqd/323:55:533
7103993529,4cyclictest41-21ksoftirqd/323:28:413
7103993529,4cyclictest41-21ksoftirqd/300:39:103
7102993530,3cyclictest33-21ksoftirqd/222:20:002
7102993530,3cyclictest33-21ksoftirqd/220:50:012
7102993530,3cyclictest33-21ksoftirqd/219:40:002
7102993529,4cyclictest33-21ksoftirqd/220:51:192
7102993529,4cyclictest33-21ksoftirqd/200:17:322
7102993529,4cyclictest33-21ksoftirqd/200:13:462
7102993529,3cyclictest33-21ksoftirqd/200:25:112
7102993528,5cyclictest33-21ksoftirqd/221:20:012
7101993532,2cyclictest25-21ksoftirqd/123:30:001
7101993531,2cyclictest25-21ksoftirqd/122:55:001
7101993530,3cyclictest25-21ksoftirqd/119:54:591
7101993530,3cyclictest25-21ksoftirqd/119:25:191
7101993529,4cyclictest25-21ksoftirqd/123:03:561
7101993529,4cyclictest25-21ksoftirqd/122:45:551
7101993529,4cyclictest25-21ksoftirqd/122:01:541
7101993529,4cyclictest25-21ksoftirqd/119:58:211
7101993529,3cyclictest25-21ksoftirqd/121:35:131
7101993528,4cyclictest25-21ksoftirqd/120:56:381
7100993529,4cyclictest9-21ksoftirqd/021:34:200
7100993529,4cyclictest9-21ksoftirqd/020:10:100
7100993528,5cyclictest9-21ksoftirqd/019:48:490
138491350,0ptp4l401ktimersoftd/321:00:143
7103993430,3cyclictest41-21ksoftirqd/323:45:173
7103993428,4cyclictest41-21ksoftirqd/321:24:493
7103993428,4cyclictest41-21ksoftirqd/320:59:063
7103993428,4cyclictest41-21ksoftirqd/320:51:513
7103993428,4cyclictest41-21ksoftirqd/319:59:513
7103993428,4cyclictest41-21ksoftirqd/319:41:393
7103993428,4cyclictest41-21ksoftirqd/319:26:463
7102993429,3cyclictest33-21ksoftirqd/223:07:362
7102993429,3cyclictest33-21ksoftirqd/221:56:112
7102993429,3cyclictest33-21ksoftirqd/220:18:312
7102993429,3cyclictest33-21ksoftirqd/219:25:112
7102993428,4cyclictest33-21ksoftirqd/219:17:302
7101993430,3cyclictest25-21ksoftirqd/120:15:121
7101993430,2cyclictest25-21ksoftirqd/120:45:111
7101993429,3cyclictest25-21ksoftirqd/123:45:001
7101993429,3cyclictest25-21ksoftirqd/123:15:181
7101993429,3cyclictest25-21ksoftirqd/122:20:181
7101993429,3cyclictest25-21ksoftirqd/122:10:001
7101993428,4cyclictest25-21ksoftirqd/123:30:361
7101993428,4cyclictest25-21ksoftirqd/121:55:101
7101993428,4cyclictest25-21ksoftirqd/121:32:301
7101993428,4cyclictest25-21ksoftirqd/120:07:451
7101993428,3cyclictest25-21ksoftirqd/100:10:111
7100993428,4cyclictest9-21ksoftirqd/023:18:230
7100993428,4cyclictest9-21ksoftirqd/021:56:150
7100993428,4cyclictest9-21ksoftirqd/021:49:060
7100993428,4cyclictest9-21ksoftirqd/020:34:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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