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2025-07-16 - 14:07
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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 rack6slot0.osadl.org (updated Wed Jul 16, 2025 01:00:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2007099271249,4cyclictest0-21swapper/3119:15:0125
2007099271249,4cyclictest0-21swapper/3119:15:0125
2007899251223,6cyclictest11363-21TaskSchedulerSi21:40:2130
2007899251223,6cyclictest11363-21TaskSchedulerSi21:40:2130
2007899216184,19cyclictest29300-21sshd23:15:2030
2007899216184,19cyclictest29300-21sshd23:15:2030
2007099216194,8cyclictest32014-21NetworkChangeNo21:05:2125
2007099216194,8cyclictest32014-21NetworkChangeNo21:05:2125
20062992161,105cyclictest0-21swapper/2420:25:2017
20062992161,105cyclictest0-21swapper/2420:25:2017
2007899206181,13cyclictest25773-21inotify_reader19:20:1830
2007899206181,13cyclictest25773-21inotify_reader19:20:1830
20044992011,196cyclictest38025-21NetworkChangeNo20:15:2038
20044992011,196cyclictest38025-21NetworkChangeNo20:15:2038
200629919866,67cyclictest27378-21inotify_reader21:55:1917
200629919866,67cyclictest27378-21inotify_reader21:55:1917
20055991982,186cyclictest4910-21CPU9
200449919773,122cyclictest0-21swapper/820:00:1938
200449919773,122cyclictest0-21swapper/820:00:1938
2004599195191,2cyclictest0-21swapper/922:50:3539
2004599195191,2cyclictest0-21swapper/922:50:3539
20053991941,10cyclictest0-21swapper/1500:00:207
20053991941,10cyclictest0-21swapper/1500:00:207
20053991941,10cyclictest0-21swapper/1500:00:197
2004499193151,28cyclictest0-21swapper/823:39:2738
2004499193151,28cyclictest0-21swapper/823:39:2738
2004499193151,28cyclictest0-21swapper/823:39:2738
20048991891,63cyclictest0-21swapper/1219:15:214
20048991891,63cyclictest0-21swapper/1219:15:214
200539918893,78cyclictest0-21swapper/1523:00:217
200539918893,78cyclictest0-21swapper/1523:00:217
200539918893,78cyclictest0-21swapper/1523:00:217
2003799188152,24cyclictest0-21swapper/222:58:3112
2003799188152,24cyclictest0-21swapper/222:58:3112
2006299186154,29cyclictest0-21swapper/2422:11:3317
2006299186154,29cyclictest0-21swapper/2422:11:3317
2007699185177,6cyclictest0-21swapper/3523:56:0329
2007699185177,6cyclictest0-21swapper/3523:56:0329
2007699185177,6cyclictest0-21swapper/3523:56:0229
20068991856,23cyclictest1154-21NetworkChangeNo22:40:1822
20068991856,23cyclictest1154-21NetworkChangeNo22:40:1822
20068991856,23cyclictest1154-21NetworkChangeNo22:40:1822
200619918595,67cyclictest28344-21inotify_reader20:00:2016
200619918595,67cyclictest28344-21inotify_reader20:00:2016
20054991851,9cyclictest0-21swapper/1619:55:228
2004599185155,10cyclictest0-21swapper/922:10:5139
2004599185155,10cyclictest0-21swapper/922:10:5139
2003799185126,27cyclictest0-21swapper/223:59:3412
2003799185126,27cyclictest0-21swapper/223:59:3412
2003799185126,27cyclictest0-21swapper/223:59:3312
2006199184136,43cyclictest0-21swapper/2321:26:4716
2006199184136,43cyclictest0-21swapper/2321:26:4716
2003799184145,15cyclictest171rcu_preempt23:45:0612
2003799184145,15cyclictest171rcu_preempt23:45:0612
200599918345,128cyclictest4910-21CPU14
200599918345,128cyclictest4910-21CPU14
200599918345,128cyclictest4910-21CPU14
20062991825,166cyclictest21703-21TaskSchedulerSi22:15:1917
20062991825,166cyclictest21703-21TaskSchedulerSi22:15:1917
20062991825,166cyclictest21703-21TaskSchedulerSi22:15:1917
2007099181122,55cyclictest4908-21CPU25
2007099181122,55cyclictest4908-21CPU25
20044991811,175cyclictest0-21swapper/823:45:1838
20044991811,175cyclictest0-21swapper/823:45:1838
20068991801,3cyclictest15663-21inotify_reader20:25:2022
20068991801,3cyclictest15663-21inotify_reader20:25:2022
20046991801,174cyclictest28337-21TaskSchedulerSi22:50:172
20046991801,174cyclictest28337-21TaskSchedulerSi22:50:172
2003799180154,21cyclictest0-21swapper/223:31:1412
2003799180154,21cyclictest0-21swapper/223:31:1412
2003799180149,10cyclictest171rcu_preempt21:20:2712
2003799180149,10cyclictest171rcu_preempt21:20:2612
2003799180149,10cyclictest171rcu_preempt21:20:2612
2007699179153,25cyclictest0-21swapper/3522:27:5929
2007699179153,25cyclictest0-21swapper/3522:27:5829
20062991791,155cyclictest0-21swapper/2422:45:2117
20062991791,155cyclictest0-21swapper/2422:45:2117
200509917911,75cyclictest0-21swapper/1320:20:215
200509917911,75cyclictest0-21swapper/1320:20:215
2004599179169,8cyclictest0-21swapper/920:45:4439
20055991781,173cyclictest0-21swapper/1719:10:209
20055991781,173cyclictest0-21swapper/1719:10:209
20054991781,173cyclictest0-21swapper/1623:40:198
20054991781,173cyclictest0-21swapper/1623:40:198
20053991786,92cyclictest40279-21inotify_reader20:20:207
20053991786,92cyclictest40279-21inotify_reader20:20:207
2004299178157,8cyclictest171rcu_preempt20:45:1036
2003799178118,53cyclictest4911-21CPU12
2003799178118,53cyclictest4911-21CPU12
2003799178118,53cyclictest4911-21CPU12
200469917784,74cyclictest0-21swapper/1023:00:212
200469917784,74cyclictest0-21swapper/1023:00:212
200469917784,74cyclictest0-21swapper/1023:00:212
2004599177146,26cyclictest0-21swapper/919:22:4939
2004599177146,26cyclictest0-21swapper/919:22:4939
2007399176165,9cyclictest0-21swapper/3320:27:2227
2007399176165,9cyclictest0-21swapper/3320:27:2227
20061991761,115cyclictest0-21swapper/2320:30:2116
20061991761,115cyclictest0-21swapper/2320:30:2016
2003799176128,32cyclictest11898-21CPU12
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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