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2026-05-16 - 06:46
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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 Sat May 16, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89992204148,45sleep20-21swapper/219:08:582
89632204171,22sleep30-21swapper/319:08:323
88842201169,21sleep10-21swapper/119:07:291
87312201168,22sleep00-21swapper/019:05:300
530221590,4sleep2937299cyclictest21:15:142
2980221550,2sleep20-21swapper/219:50:212
1393911220,1ptp4l30601-21sshd22:05:523
139391590,1ptp4l7649-21df23:35:133
9372995827,4cyclictest33-21ksoftirqd/222:00:252
937199589,9cyclictest24069-21date23:00:241
9372995624,7cyclictest33-21ksoftirqd/219:20:002
9372995524,4cyclictest33-21ksoftirqd/222:55:012
9372995521,4cyclictest33-21ksoftirqd/223:34:592
937199559,17cyclictest17913-21mailstats19:25:231
937199559,10cyclictest2518-21gnome-shell20:28:591
9372995323,5cyclictest33-21ksoftirqd/220:49:592
937199530,12cyclictest21166-21cut20:40:181
937199530,11cyclictest7474-21unixbench_multi20:10:251
9372995225,6cyclictest33-21ksoftirqd/200:30:002
9372995221,5cyclictest33-21ksoftirqd/222:15:222
9371995211,6cyclictest25726-21fw_packets20:50:171
937199520,14cyclictest4140-21idleruntime22:20:171
9372995120,7cyclictest33-21ksoftirqd/222:10:272
9372995019,4cyclictest33-21ksoftirqd/221:30:212
9372995018,4cyclictest33-21ksoftirqd/223:50:002
9372995018,4cyclictest33-21ksoftirqd/219:45:192
937199508,8cyclictest25199-21ls00:10:191
937199502,11cyclictest16730-21cat21:40:001
937199500,11cyclictest11977-21mailstats20:20:241
937199492,45cyclictest0-21swapper/119:55:541
937199490,11cyclictest6391-21mailstats21:15:251
937199490,11cyclictest21725-21cpuspeed_turbos21:50:131
9372994829,3cyclictest33-21ksoftirqd/220:20:182
9372994829,16cyclictest33-21ksoftirqd/223:20:152
9372994817,4cyclictest33-21ksoftirqd/200:35:172
9372994816,7cyclictest33-21ksoftirqd/220:00:232
9372994813,9cyclictest33-21ksoftirqd/223:40:182
937199489,8cyclictest14737-21ls22:40:271
9372994720,7cyclictest33-21ksoftirqd/223:50:132
9372994714,3cyclictest33-21ksoftirqd/220:15:012
9372994712,4cyclictest33-21ksoftirqd/221:05:112
9372994618,7cyclictest33-21ksoftirqd/219:25:192
9372994617,7cyclictest33-21ksoftirqd/219:20:222
9372994616,7cyclictest33-21ksoftirqd/200:05:002
9372994612,9cyclictest33-21ksoftirqd/221:10:262
9372994612,8cyclictest33-21ksoftirqd/200:10:202
9372994612,7cyclictest33-21ksoftirqd/223:05:172
937199460,11cyclictest0-21swapper/120:10:001
9370994612,4cyclictest9-21ksoftirqd/023:10:250
223912460,1sleep222389-21cat23:00:002
937199450,17cyclictest30400-21switchtime00:20:251
937199450,17cyclictest30400-21switchtime00:20:251
937199450,12cyclictest7492-21cat22:25:271
937199450,11cyclictest2696-21date22:15:251
9370994514,4cyclictest9-21ksoftirqd/019:50:260
9372994429,4cyclictest33-21ksoftirqd/219:40:002
9372994425,9cyclictest33-21ksoftirqd/223:35:122
9372994421,15cyclictest33-21ksoftirqd/219:30:202
9372994414,3cyclictest33-21ksoftirqd/222:40:002
937199440,17cyclictest2590-21cpuspeed_turbos23:25:131
937199440,13cyclictest26806-21sshd23:06:061
9370994414,5cyclictest9-21ksoftirqd/021:40:140
9370994413,3cyclictest9-21ksoftirqd/020:44:590
9370994411,7cyclictest9-21ksoftirqd/022:40:150
139391440,0ptp4l401ktimersoftd/320:26:273
937299439,5cyclictest33-21ksoftirqd/222:40:162
937299437,2cyclictest121rcu_preempt23:30:002
9372994317,3cyclictest33-21ksoftirqd/222:20:182
9372994316,7cyclictest33-21ksoftirqd/222:45:212
9372994311,7cyclictest33-21ksoftirqd/220:50:202
937099438,7cyclictest9-21ksoftirqd/022:30:260
937299423,2cyclictest121rcu_preempt21:20:442
9372994216,6cyclictest33-21ksoftirqd/200:05:212
9372994213,9cyclictest33-21ksoftirqd/200:00:002
9372994213,7cyclictest33-21ksoftirqd/200:30:212
9372994211,4cyclictest33-21ksoftirqd/220:55:142
9372994210,4cyclictest33-21ksoftirqd/220:05:242
9372994210,3cyclictest33-21ksoftirqd/200:20:152
9372994210,3cyclictest33-21ksoftirqd/200:20:142
937099428,10cyclictest9-21ksoftirqd/023:50:000
937099427,4cyclictest9-21ksoftirqd/021:00:280
937099427,4cyclictest9-21ksoftirqd/021:00:280
937299418,6cyclictest33-21ksoftirqd/221:40:172
937299418,4cyclictest33-21ksoftirqd/222:05:142
9372994127,12cyclictest33-21ksoftirqd/222:35:002
9372994113,3cyclictest33-21ksoftirqd/220:15:262
9372994111,6cyclictest33-21ksoftirqd/220:30:252
937199410,9cyclictest7207-21apt-config23:35:001
937199410,9cyclictest207-21systemd-journal20:49:341
937099419,4cyclictest9-21ksoftirqd/022:50:260
937099419,4cyclictest9-21ksoftirqd/022:46:030
937099419,3cyclictest9-21ksoftirqd/022:35:250
937099416,5cyclictest9-21ksoftirqd/000:00:290
937099414,5cyclictest9-21ksoftirqd/020:20:010
139391410,1ptp4l401ktimersoftd/319:45:433
139391410,0ptp4l401ktimersoftd/320:10:143
937299407,3cyclictest33-21ksoftirqd/223:15:142
9372994015,6cyclictest33-21ksoftirqd/219:40:152
9372994015,6cyclictest33-21ksoftirqd/219:40:152
9372994011,4cyclictest33-21ksoftirqd/200:15:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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