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2026-07-21 - 20:21
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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 Tue Jul 21, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591235167,23phc2sys0-21swapper/307:08:083
30592205171,23sleep10-21swapper/107:07:341
32232204170,23sleep20-21swapper/207:09:362
9612202169,22sleep00-21swapper/007:05:120
1669321690,8sleep3354999cyclictest07:35:203
3546995922,4cyclictest9-21ksoftirqd/009:25:160
354999585,5cyclictest6116-21apt-config08:19:593
3546995823,7cyclictest9-21ksoftirqd/011:00:000
3546995721,4cyclictest9-21ksoftirqd/010:32:210
139422570,3sleep0111rcuc/009:40:130
354699555,9cyclictest9-21ksoftirqd/011:25:130
354699555,9cyclictest9-21ksoftirqd/010:40:200
3546995520,5cyclictest9-21ksoftirqd/009:31:120
26092540,5sleep3354999cyclictest10:20:243
354699536,7cyclictest9-21ksoftirqd/012:10:280
3546995319,5cyclictest9-21ksoftirqd/009:06:530
3546995319,10cyclictest9-21ksoftirqd/012:10:000
354699526,8cyclictest9-21ksoftirqd/011:40:250
354699524,8cyclictest9-21ksoftirqd/009:35:140
354699524,8cyclictest9-21ksoftirqd/008:15:210
354699524,8cyclictest9-21ksoftirqd/007:10:260
354699524,7cyclictest9-21ksoftirqd/008:25:270
354699524,7cyclictest9-21ksoftirqd/008:25:270
354699523,8cyclictest9-21ksoftirqd/011:55:180
354699523,8cyclictest9-21ksoftirqd/011:50:140
354699523,8cyclictest9-21ksoftirqd/009:45:140
354699522,5cyclictest9-21ksoftirqd/012:25:240
3546995219,3cyclictest9-21ksoftirqd/011:45:590
354699520,7cyclictest9-21ksoftirqd/009:10:130
138491520,0ptp4l391rcuc/309:58:553
99242510,2sleep20-21swapper/211:40:252
354699517,4cyclictest9-21ksoftirqd/012:20:190
354699515,4cyclictest9-21ksoftirqd/011:10:270
354699514,8cyclictest9-21ksoftirqd/007:35:250
354699513,7cyclictest9-21ksoftirqd/007:20:170
354699513,6cyclictest9-21ksoftirqd/011:05:130
354699513,5cyclictest9-21ksoftirqd/007:55:210
3546995119,11cyclictest9-21ksoftirqd/008:00:190
165482510,1sleep10-21swapper/107:35:181
354699506,4cyclictest9-21ksoftirqd/008:25:000
354699505,9cyclictest9-21ksoftirqd/007:30:150
354699505,7cyclictest9-21ksoftirqd/010:00:010
354699505,7cyclictest9-21ksoftirqd/009:00:260
354699504,8cyclictest9-21ksoftirqd/008:55:140
354699504,5cyclictest9-21ksoftirqd/008:50:190
354699504,10cyclictest9-21ksoftirqd/008:45:250
354699503,5cyclictest9-21ksoftirqd/010:20:000
354699502,9cyclictest9-21ksoftirqd/008:35:160
354699495,8cyclictest9-21ksoftirqd/011:00:150
354699495,8cyclictest9-21ksoftirqd/010:05:150
354699495,4cyclictest9-21ksoftirqd/008:05:000
354699494,6cyclictest9-21ksoftirqd/012:30:280
354699492,7cyclictest9-21ksoftirqd/011:20:190
354699492,5cyclictest9-21ksoftirqd/007:45:140
354699492,5cyclictest9-21ksoftirqd/007:15:190
354699490,5cyclictest101ktimersoftd/011:35:130
257752490,4sleep20-21swapper/207:55:002
354699486,9cyclictest9-21ksoftirqd/010:50:160
354699485,7cyclictest9-21ksoftirqd/010:27:510
354699485,10cyclictest9-21ksoftirqd/011:15:150
354699485,10cyclictest9-21ksoftirqd/011:15:150
354699484,8cyclictest9-21ksoftirqd/009:20:010
354699483,5cyclictest9-21ksoftirqd/010:10:200
354699476,9cyclictest9-21ksoftirqd/010:20:180
354699476,10cyclictest9-21ksoftirqd/010:45:130
354699476,10cyclictest9-21ksoftirqd/010:00:130
354699475,7cyclictest9-21ksoftirqd/012:35:180
354699475,7cyclictest9-21ksoftirqd/011:30:140
354699475,7cyclictest9-21ksoftirqd/008:40:210
354699475,7cyclictest9-21ksoftirqd/008:30:210
354699475,5cyclictest9-21ksoftirqd/007:40:130
354699473,8cyclictest9-21ksoftirqd/007:25:150
354699473,5cyclictest9-21ksoftirqd/010:35:120
354699472,5cyclictest9-21ksoftirqd/012:15:170
354699472,5cyclictest9-21ksoftirqd/009:50:200
354699465,7cyclictest9-21ksoftirqd/008:10:270
354699465,7cyclictest9-21ksoftirqd/007:50:160
354699455,5cyclictest9-21ksoftirqd/012:00:270
354699454,7cyclictest9-21ksoftirqd/009:20:140
138491440,0ptp4l401ktimersoftd/307:25:243
138491430,0ptp4l401ktimersoftd/310:15:313
138491430,0ptp4l401ktimersoftd/307:53:133
135191430,1getstats0-21swapper/310:46:533
354999424,6cyclictest41-21ksoftirqd/309:45:243
354999422,4cyclictest41-21ksoftirqd/311:25:153
354999421,7cyclictest41-21ksoftirqd/312:10:273
138491410,0ptp4l401ktimersoftd/312:30:173
138491410,0ptp4l401ktimersoftd/308:21:093
354999407,7cyclictest41-21ksoftirqd/309:50:273
354999402,5cyclictest41-21ksoftirqd/309:01:403
354999401,5cyclictest41-21ksoftirqd/307:10:243
354999400,5cyclictest41-21ksoftirqd/312:00:223
3548994035,3cyclictest33-21ksoftirqd/210:00:002
3548994033,4cyclictest638-21cron12:30:002
3547994036,2cyclictest25-21ksoftirqd/110:59:591
354999392,6cyclictest41-21ksoftirqd/308:05:013
3547993933,3cyclictest25-21ksoftirqd/110:00:001
354999388,7cyclictest41-21ksoftirqd/307:55:273
354999384,6cyclictest41-21ksoftirqd/311:35:243
354999382,7cyclictest41-21ksoftirqd/310:13:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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