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2026-07-02 - 22:35
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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 rackdslot3.osadl.org (updated Thu Jul 02, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491215168,35phc2sys0-21swapper/307:06:413
58412205171,22sleep10-21swapper/107:08:041
58172205172,22sleep20-21swapper/207:07:462
59302204171,22sleep00-21swapper/007:09:170
1749621700,3sleep1628899cyclictest10:55:181
6287996231,4cyclictest9-21ksoftirqd/009:35:190
629099611,58cyclictest30900-21kworker/3:111:35:333
6287996128,8cyclictest9-21ksoftirqd/012:00:000
6287996030,4cyclictest9-21ksoftirqd/008:45:170
6287996030,3cyclictest9-21ksoftirqd/012:25:180
6287996028,6cyclictest9-21ksoftirqd/009:50:000
6287996028,4cyclictest9-21ksoftirqd/011:20:180
6287996023,5cyclictest9-21ksoftirqd/011:25:180
6287996023,5cyclictest9-21ksoftirqd/011:25:180
6287995932,4cyclictest9-21ksoftirqd/007:25:140
6287995929,6cyclictest9-21ksoftirqd/008:55:180
6287995928,6cyclictest9-21ksoftirqd/007:10:120
6287995926,7cyclictest9-21ksoftirqd/011:20:000
6287995924,7cyclictest9-21ksoftirqd/008:40:000
6287995921,7cyclictest9-21ksoftirqd/009:00:190
6287995827,5cyclictest9-21ksoftirqd/010:45:250
6287995826,6cyclictest9-21ksoftirqd/010:00:130
6287995826,5cyclictest9-21ksoftirqd/007:30:120
6287995826,5cyclictest9-21ksoftirqd/007:30:120
6287995825,7cyclictest9-21ksoftirqd/008:05:180
6287995824,6cyclictest9-21ksoftirqd/010:55:240
6287995725,6cyclictest9-21ksoftirqd/011:00:120
6287995724,10cyclictest9-21ksoftirqd/011:15:000
6287995723,5cyclictest9-21ksoftirqd/010:25:130
6287995723,5cyclictest9-21ksoftirqd/010:25:130
6287995720,10cyclictest9-21ksoftirqd/008:20:140
6287995718,4cyclictest9-21ksoftirqd/012:35:250
6287995624,5cyclictest9-21ksoftirqd/008:00:160
6287995623,5cyclictest9-21ksoftirqd/009:20:210
6287995622,5cyclictest9-21ksoftirqd/008:30:000
6287995622,5cyclictest9-21ksoftirqd/007:25:010
6287995621,5cyclictest9-21ksoftirqd/011:40:150
6287995618,4cyclictest9-21ksoftirqd/007:50:150
6287995520,6cyclictest9-21ksoftirqd/012:10:130
6287995520,6cyclictest9-21ksoftirqd/008:40:190
6287995519,6cyclictest9-21ksoftirqd/009:50:150
628799544,7cyclictest9-21ksoftirqd/010:30:210
628799544,6cyclictest9-21ksoftirqd/010:10:010
628799543,7cyclictest9-21ksoftirqd/007:15:240
6287995430,4cyclictest9-21ksoftirqd/012:15:140
6287995421,5cyclictest9-21ksoftirqd/011:30:170
628799534,6cyclictest9-21ksoftirqd/009:55:280
628799534,6cyclictest9-21ksoftirqd/008:25:140
628799533,6cyclictest9-21ksoftirqd/010:10:240
6287995321,6cyclictest9-21ksoftirqd/009:05:150
6287995319,9cyclictest9-21ksoftirqd/009:40:260
6287995319,6cyclictest9-21ksoftirqd/010:35:230
628799523,6cyclictest9-21ksoftirqd/010:20:240
628799523,6cyclictest9-21ksoftirqd/008:50:180
6287995227,6cyclictest9-21ksoftirqd/012:20:260
6287995220,6cyclictest9-21ksoftirqd/010:15:230
6287995220,4cyclictest9-21ksoftirqd/012:05:180
6287995218,7cyclictest9-21ksoftirqd/011:05:240
629099517,42cyclictest30900-21kworker/3:111:18:333
628799516,6cyclictest9-21ksoftirqd/009:30:160
628799512,6cyclictest9-21ksoftirqd/010:50:200
6287995125,4cyclictest9-21ksoftirqd/010:40:190
6287995120,6cyclictest9-21ksoftirqd/012:00:130
628799510,7cyclictest9-21ksoftirqd/009:10:170
628799505,6cyclictest9-21ksoftirqd/011:45:140
628799498,3cyclictest9-21ksoftirqd/007:40:120
628799496,5cyclictest9-21ksoftirqd/011:35:250
628799495,2cyclictest9-21ksoftirqd/012:30:210
628799492,5cyclictest9-21ksoftirqd/011:50:170
6290994841,4cyclictest30897-21cron11:25:003
628999486,5cyclictest33-21ksoftirqd/211:30:002
628999486,5cyclictest33-21ksoftirqd/211:30:002
628799483,6cyclictest9-21ksoftirqd/009:15:130
628799481,7cyclictest9-21ksoftirqd/008:10:230
6287994719,10cyclictest9-21ksoftirqd/009:25:240
6287994717,5cyclictest9-21ksoftirqd/007:35:220
628799463,8cyclictest9-21ksoftirqd/007:45:140
629099459,22cyclictest9070-21fschecks_count09:30:163
6290994518,25cyclictest0-21swapper/311:25:233
6290994518,25cyclictest0-21swapper/311:25:233
628799455,2cyclictest9-21ksoftirqd/007:55:210
6288994439,3cyclictest24730-21turbostat.cron12:20:001
628999437,5cyclictest33-21ksoftirqd/208:00:002
628799432,5cyclictest9-21ksoftirqd/008:15:190
139391430,0ptp4l401ktimersoftd/312:35:303
139391430,0ptp4l401ktimersoftd/309:46:453
139391430,0ptp4l401ktimersoftd/309:05:163
139391430,0ptp4l401ktimersoftd/308:40:593
628999428,8cyclictest33-21ksoftirqd/212:30:002
139391420,0ptp4l401ktimersoftd/310:04:103
628999418,6cyclictest33-21ksoftirqd/207:30:222
628999418,6cyclictest33-21ksoftirqd/207:30:222
628999415,3cyclictest121rcu_preempt08:30:182
628999411,3cyclictest33-21ksoftirqd/209:20:202
629099403,35cyclictest30900-21kworker/3:111:02:133
6290994033,4cyclictest41-21ksoftirqd/308:30:003
6289994036,2cyclictest33-21ksoftirqd/209:55:002
6289994034,3cyclictest33-21ksoftirqd/211:15:172
6289994016,6cyclictest33-21ksoftirqd/212:05:242
6288994036,2cyclictest2365-21sh08:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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