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2026-07-03 - 12:10
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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 Fri Jul 03, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491235168,22phc2sys0-21swapper/319:06:213
326252204171,22sleep10-21swapper/119:09:341
324212203170,22sleep20-21swapper/219:06:572
323752202169,22sleep00-21swapper/019:06:220
495996560,3cyclictest9-21ksoftirqd/000:20:000
49899623,12cyclictest17622-21grep22:00:133
49899619,9cyclictest27557-21tr23:25:253
49899613,11cyclictest2518-21gnome-shell23:20:003
221452600,6sleep149699cyclictest23:15:201
49899565,9cyclictest20414-21wc23:10:243
49899562,12cyclictest490-21irqrtprio20:15:173
49899555,12cyclictest8493-21awk22:45:273
49899553,12cyclictest32302-21df_abs22:30:143
49899550,16cyclictest0-21swapper/319:25:243
277652550,2sleep00-21swapper/020:05:150
49899542,11cyclictest12792-21/usr/sbin/munin19:35:123
49899541,11cyclictest31677-21cut21:20:203
49899536,17cyclictest10880-21switchtime20:35:253
49899535,10cyclictest20960-21ls22:05:203
136962530,3sleep113701-21latency21:50:191
86572520,1sleep28660-21tail22:45:282
49899523,9cyclictest3657-21tail22:35:263
49899523,11cyclictest8853-21irqrtprio21:40:193
49899523,11cyclictest8853-21irqrtprio21:40:193
49899514,10cyclictest5424-21sed20:25:173
49899511,11cyclictest22537-21df_abs22:10:123
49899511,11cyclictest11241-21irqrtprio21:45:193
49899510,11cyclictest15758-21cat23:00:333
49899502,18cyclictest3069-21date21:30:003
49899501,17cyclictest13114-21mailstats22:55:253
49899501,16cyclictest25578-21taskset22:15:203
49899492,9cyclictest28460-21processes22:20:243
49899480,10cyclictest7961-21cat21:40:003
49899480,10cyclictest0-21swapper/322:40:223
49899480,10cyclictest0-21swapper/322:40:223
497994812,6cyclictest33-21ksoftirqd/220:40:002
49899476,7cyclictest30630-21latency20:10:203
49899471,10cyclictest22731-21expr19:55:133
49899470,10cyclictest0-21swapper/300:00:233
49899460,18cyclictest0-21swapper/323:44:593
49899460,11cyclictest22269-21latency_hist19:55:003
49899451,17cyclictest6734-21cat23:50:213
49899444,8cyclictest5333-21sshd19:18:443
49799439,6cyclictest33-21ksoftirqd/220:45:002
49799437,7cyclictest33-21ksoftirqd/220:25:222
497994337,3cyclictest28154-21cron21:15:002
497994337,3cyclictest28154-21cron21:15:002
49899425,5cyclictest0-21swapper/319:40:233
49899424,6cyclictest0-21swapper/320:40:213
49799429,4cyclictest33-21ksoftirqd/221:05:282
497994229,11cyclictest33-21ksoftirqd/200:30:012
497994213,3cyclictest33-21ksoftirqd/223:10:222
49899410,17cyclictest0-21swapper/319:10:153
497994136,3cyclictest33-21ksoftirqd/219:45:012
497994129,9cyclictest33-21ksoftirqd/219:55:182
497994127,12cyclictest33-21ksoftirqd/220:05:002
497994113,6cyclictest33-21ksoftirqd/200:35:012
139391410,0ptp4l401ktimersoftd/319:34:313
49799407,5cyclictest33-21ksoftirqd/222:20:012
497994035,3cyclictest33-21ksoftirqd/223:40:012
496994035,3cyclictest25-21ksoftirqd/120:20:011
495994035,3cyclictest9-21ksoftirqd/019:15:000
495994021,5cyclictest9-21ksoftirqd/000:35:190
49799398,6cyclictest33-21ksoftirqd/221:30:252
49799395,3cyclictest33-21ksoftirqd/223:20:202
497993935,2cyclictest33-21ksoftirqd/219:55:002
497993935,2cyclictest33-21ksoftirqd/200:15:002
497993934,3cyclictest33-21ksoftirqd/223:05:002
497993934,3cyclictest33-21ksoftirqd/222:25:242
497993934,3cyclictest33-21ksoftirqd/220:55:122
497993926,3cyclictest33-21ksoftirqd/222:05:142
139391390,0ptp4l401ktimersoftd/320:00:293
49899386,5cyclictest41-21ksoftirqd/320:45:383
49899385,4cyclictest41-21ksoftirqd/323:36:273
49799387,3cyclictest33-21ksoftirqd/220:50:162
49799386,3cyclictest33-21ksoftirqd/219:20:172
49799386,3cyclictest33-21ksoftirqd/219:20:172
49799385,7cyclictest33-21ksoftirqd/223:55:242
49799385,6cyclictest33-21ksoftirqd/222:50:162
49799385,4cyclictest33-21ksoftirqd/221:40:252
49799385,4cyclictest33-21ksoftirqd/221:40:252
49799384,7cyclictest33-21ksoftirqd/221:20:012
49799384,3cyclictest33-21ksoftirqd/221:30:002
49799384,2cyclictest33-21ksoftirqd/221:45:252
49799384,11cyclictest33-21ksoftirqd/200:35:162
497993833,3cyclictest33-21ksoftirqd/223:40:132
497993833,3cyclictest33-21ksoftirqd/223:20:002
497993832,3cyclictest33-21ksoftirqd/219:25:152
495993832,3cyclictest9-21ksoftirqd/020:20:000
49899372,6cyclictest3908-21ls20:20:283
49799377,6cyclictest33-21ksoftirqd/200:15:162
49799376,3cyclictest33-21ksoftirqd/221:00:272
49799375,3cyclictest33-21ksoftirqd/223:05:122
49799373,6cyclictest33-21ksoftirqd/222:10:242
497993733,2cyclictest33-21ksoftirqd/220:45:152
497993732,3cyclictest33-21ksoftirqd/221:55:272
497993732,3cyclictest33-21ksoftirqd/220:35:002
497993732,3cyclictest33-21ksoftirqd/220:15:002
497993732,3cyclictest33-21ksoftirqd/219:15:002
497993732,3cyclictest33-21ksoftirqd/200:00:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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