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2026-04-06 - 03:14
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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 Sun Apr 05, 2026 12:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107742208175,22sleep20-21swapper/207:06:542
107802204169,23sleep30-21swapper/307:07:003
108102203171,21sleep10-21swapper/107:07:231
108342198165,22sleep00-21swapper/007:07:410
110192168124,34sleep20-21swapper/207:10:002
217932710,2sleep10-21swapper/112:00:181
11311997032,6cyclictest9-21ksoftirqd/010:40:000
1131299662,27cyclictest6526-21grep10:20:241
1131299650,26cyclictest23566-21df_abs07:35:141
11311996530,6cyclictest9-21ksoftirqd/010:55:010
11311996530,5cyclictest9-21ksoftirqd/009:39:590
1131299640,62cyclictest0-21swapper/107:11:341
11311996430,5cyclictest9-21ksoftirqd/012:35:000
11311996428,4cyclictest9-21ksoftirqd/011:25:000
1131299620,21cyclictest12432-21date08:20:001
1131299620,21cyclictest12432-21date08:20:001
11311996227,6cyclictest9-21ksoftirqd/011:55:010
11311996226,7cyclictest9-21ksoftirqd/009:25:200
1131299610,21cyclictest7567-21date12:40:001
1131299610,21cyclictest2712-21cut11:20:211
1131299610,21cyclictest14915-21df_abs10:40:151
1131299610,20cyclictest27760-21date10:00:001
1131299610,20cyclictest16756-21cut09:35:191
1131299610,16cyclictest0-21swapper/107:40:231
11311996128,6cyclictest9-21ksoftirqd/010:55:140
11311996128,4cyclictest9-21ksoftirqd/011:00:250
11311996127,6cyclictest9-21ksoftirqd/012:05:000
11311996127,6cyclictest9-21ksoftirqd/009:50:250
11311996127,6cyclictest9-21ksoftirqd/007:20:240
11311996126,6cyclictest9-21ksoftirqd/011:45:260
11311996126,6cyclictest9-21ksoftirqd/011:45:260
1131299600,26cyclictest26015-21df_abs12:10:141
1131299600,21cyclictest5050-21date10:20:001
1131299600,21cyclictest5050-21date10:20:001
1131299600,21cyclictest2549-21date10:15:001
1131299600,20cyclictest7436-21sed12:40:001
1131299600,20cyclictest3983-21date09:10:001
1131299600,18cyclictest1342-21latency_hist09:04:591
11311996028,6cyclictest9-21ksoftirqd/010:05:240
11311996027,5cyclictest9-21ksoftirqd/010:25:280
11311996026,7cyclictest9-21ksoftirqd/007:50:240
1131299593,23cyclictest15919-21cat08:25:191
1131299590,26cyclictest2723-21date12:30:001
1131299590,21cyclictest8562-21date11:35:001
1131299590,20cyclictest21580-21date10:55:001
1131299590,20cyclictest11223-21date09:25:001
1131299590,18cyclictest13714-21apt-get07:15:131
1131299590,18cyclictest13714-21apt-get07:15:131
11311995930,4cyclictest9-21ksoftirqd/009:15:170
11311995930,4cyclictest9-21ksoftirqd/009:15:160
11311995929,4cyclictest9-21ksoftirqd/007:50:010
11311995928,4cyclictest9-21ksoftirqd/009:20:220
11311995927,5cyclictest9-21ksoftirqd/009:30:120
11311995925,6cyclictest9-21ksoftirqd/012:05:150
11311995924,6cyclictest9-21ksoftirqd/009:00:140
11311995924,4cyclictest9-21ksoftirqd/010:10:140
1131299581,18cyclictest23053-21latency_hist07:34:591
1131299580,27cyclictest19660-21grep08:35:131
1131299580,25cyclictest0-21swapper/108:40:231
1131299580,21cyclictest23769-21grep12:05:171
1131299580,20cyclictest7584-21latency_hist08:10:011
1131299580,20cyclictest14763-21date08:25:001
1131299580,19cyclictest18442-21date07:25:001
1131299580,18cyclictest26322-21latency_hist11:05:001
11311995830,4cyclictest9-21ksoftirqd/008:20:260
11311995830,4cyclictest9-21ksoftirqd/007:15:140
11311995830,4cyclictest9-21ksoftirqd/007:15:140
11311995829,6cyclictest9-21ksoftirqd/008:45:000
11311995827,5cyclictest9-21ksoftirqd/009:10:150
11311995824,7cyclictest9-21ksoftirqd/009:45:000
11311995824,5cyclictest9-21ksoftirqd/008:00:000
11311995822,6cyclictest9-21ksoftirqd/008:30:130
1131299570,26cyclictest29120-21date08:55:001
1131299570,19cyclictest31927-21cat07:50:261
11311995727,4cyclictest9-21ksoftirqd/011:35:250
11311995725,6cyclictest9-21ksoftirqd/010:15:140
11311995725,6cyclictest9-21ksoftirqd/010:15:140
11311995725,6cyclictest9-21ksoftirqd/008:15:120
11311995725,6cyclictest9-21ksoftirqd/008:15:110
11311995723,6cyclictest9-21ksoftirqd/011:30:010
1131299560,20cyclictest27326-21cut11:05:181
11311995630,7cyclictest9-21ksoftirqd/007:30:130
11311995628,3cyclictest9-21ksoftirqd/012:35:130
11311995628,3cyclictest9-21ksoftirqd/012:35:130
11311995628,3cyclictest9-21ksoftirqd/009:05:180
11311995625,6cyclictest9-21ksoftirqd/011:30:150
11311995624,5cyclictest9-21ksoftirqd/010:00:270
11311995623,5cyclictest9-21ksoftirqd/008:45:180
11311995623,5cyclictest9-21ksoftirqd/008:45:180
11311995623,11cyclictest9-21ksoftirqd/008:05:240
1131299551,23cyclictest4363-21hddtemp_smartct11:25:151
1131299550,26cyclictest0-21swapper/110:45:151
1131299550,22cyclictest17748-21/usr/sbin/munin08:30:151
1131299550,20cyclictest20024-21ssh11:55:251
11311995530,7cyclictest9-21ksoftirqd/012:10:230
11311995526,4cyclictest9-21ksoftirqd/011:40:210
11311995526,4cyclictest9-21ksoftirqd/008:50:210
11311995525,4cyclictest9-21ksoftirqd/012:30:000
11311995523,6cyclictest9-21ksoftirqd/007:35:240
11311995522,6cyclictest9-21ksoftirqd/008:25:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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