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2026-08-05 - 23:07
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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 rackdslot2.osadl.org (updated Wed Aug 05, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7452227167,48sleep10-21swapper/107:06:341
7762223194,19sleep20-21swapper/207:06:592
139591211168,32phc2sys0-21swapper/307:05:523
9922206172,22sleep00-21swapper/007:09:460
1972821520,7sleep1130299cyclictest11:55:251
1301997034,9cyclictest9-21ksoftirqd/011:19:080
130499670,3cyclictest226622chrt12:04:372
1301996729,7cyclictest9-21ksoftirqd/012:16:040
1301996429,4cyclictest9-21ksoftirqd/008:39:590
1301996428,4cyclictest9-21ksoftirqd/009:25:000
1301996427,4cyclictest9-21ksoftirqd/011:45:000
19342630,7sleep2321ktimersoftd/207:15:012
1301996329,4cyclictest9-21ksoftirqd/010:25:000
1301996329,4cyclictest9-21ksoftirqd/009:40:000
1301996228,4cyclictest9-21ksoftirqd/011:55:010
130299618,11cyclictest433-21polkitd11:19:241
130299614,12cyclictest433-21polkitd12:16:031
1301996126,6cyclictest9-21ksoftirqd/008:25:010
1301996026,5cyclictest9-21ksoftirqd/011:45:250
1301996026,4cyclictest9-21ksoftirqd/011:10:000
1301996024,6cyclictest9-21ksoftirqd/008:15:010
1301996024,6cyclictest9-21ksoftirqd/008:15:010
1301995925,6cyclictest9-21ksoftirqd/012:15:010
1301995925,5cyclictest9-21ksoftirqd/007:40:000
1301995923,4cyclictest9-21ksoftirqd/011:34:590
1301995828,4cyclictest9-21ksoftirqd/011:35:240
139291570,1ptp4l401ktimersoftd/311:46:393
130499571,2cyclictest247082sleep211:03:232
130499570,3cyclictest17730-21taskset09:21:062
130199574,4cyclictest9-21ksoftirqd/008:00:000
1301995723,6cyclictest9-21ksoftirqd/011:25:140
130299562,12cyclictest20923-21gdbus09:45:011
1301995627,3cyclictest9-21ksoftirqd/009:50:010
1301995625,3cyclictest9-21ksoftirqd/011:55:150
1301995624,4cyclictest9-21ksoftirqd/010:00:230
1301995623,4cyclictest9-21ksoftirqd/007:25:010
169952550,1sleep30-21swapper/310:45:263
130299553,10cyclictest5476-21df_abs12:35:161
1301995523,6cyclictest9-21ksoftirqd/010:15:160
1301995523,5cyclictest9-21ksoftirqd/009:05:000
1301995523,4cyclictest9-21ksoftirqd/009:34:590
130299540,10cyclictest23050-21df_abs11:00:141
1301995424,4cyclictest9-21ksoftirqd/012:20:190
1301995424,4cyclictest9-21ksoftirqd/007:45:000
1301995423,5cyclictest9-21ksoftirqd/010:30:290
1301995422,3cyclictest9-21ksoftirqd/010:55:140
1301995421,4cyclictest9-21ksoftirqd/010:40:230
1301995419,4cyclictest9-21ksoftirqd/007:20:010
1304995347,3cyclictest5684-21grep10:25:002
130499532,25cyclictest0-21swapper/208:30:212
130299533,10cyclictest25821-21grep12:10:151
130299531,9cyclictest4754-21cat11:25:231
130299531,11cyclictest7459-21tr11:30:261
130199536,3cyclictest9-21ksoftirqd/012:30:160
1301995325,4cyclictest9-21ksoftirqd/011:10:140
1301995323,4cyclictest9-21ksoftirqd/007:15:010
1301995322,6cyclictest9-21ksoftirqd/008:45:000
1301995321,6cyclictest9-21ksoftirqd/012:25:240
1301995321,6cyclictest9-21ksoftirqd/010:45:190
1301995320,6cyclictest9-21ksoftirqd/009:10:000
1301995319,6cyclictest9-21ksoftirqd/012:35:150
1301995319,4cyclictest9-21ksoftirqd/010:10:120
130499520,3cyclictest9165-21seq08:11:512
130499520,3cyclictest9165-21seq08:11:512
130499520,3cyclictest28369-21seq10:04:002
130299520,11cyclictest23952-21cat12:05:201
130199527,7cyclictest9-21ksoftirqd/008:30:000
1301995224,4cyclictest9-21ksoftirqd/011:00:160
1301995218,6cyclictest9-21ksoftirqd/010:00:020
130499511,3cyclictest1308-21runrttasks09:42:422
130499511,3cyclictest1308-21runrttasks09:42:422
130499510,3cyclictest14594-21runrttasks08:55:322
130499510,3cyclictest11253-21seq08:29:522
130299514,6cyclictest16374-21latency10:45:191
1301995122,7cyclictest9-21ksoftirqd/010:35:270
1301995120,4cyclictest9-21ksoftirqd/007:50:000
1301995118,6cyclictest9-21ksoftirqd/007:30:000
1301995118,5cyclictest9-21ksoftirqd/010:50:260
1301995116,4cyclictest9-21ksoftirqd/008:34:590
1301995113,7cyclictest9-21ksoftirqd/012:05:250
39722500,2sleep20-21swapper/212:30:242
130499500,3cyclictest3881-21seq07:30:272
130499500,3cyclictest2337-21seq12:28:532
130499500,3cyclictest1308-21runrttasks12:20:472
130499500,3cyclictest1308-21runrttasks09:05:072
130499500,3cyclictest10277-21seq08:20:062
130499500,2cyclictest21108-21seq09:47:232
130299501,11cyclictest3032-21df_abs12:30:151
130199505,3cyclictest9-21ksoftirqd/007:35:000
1301995021,3cyclictest9-21ksoftirqd/012:00:170
1301995020,6cyclictest9-21ksoftirqd/011:20:250
1301995020,3cyclictest9-21ksoftirqd/010:30:000
1301995014,6cyclictest9-21ksoftirqd/007:55:000
130499492,3cyclictest5132-21seq12:35:112
130499491,3cyclictest8215-21turbostat.cron08:09:552
130499490,4cyclictest12709-21seq10:39:262
130499490,3cyclictest897-21seq11:19:452
130499490,3cyclictest27264-21seq12:12:462
130499490,3cyclictest14784-21seq10:40:312
130499490,2cyclictest29523-21seq11:14:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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