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2026-06-21 - 02:46
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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 Jun 20, 2026 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
113002205170,23sleep30-21swapper/307:09:273
113032204171,22sleep10-21swapper/107:09:291
109982201168,22sleep00-21swapper/007:05:300
111452199166,22sleep20-21swapper/207:07:252
1371721390,1sleep10-21swapper/109:30:011
558921320,3sleep11164799cyclictest09:10:231
139391680,9ptp4l401ktimersoftd/312:34:163
11648996728,5cyclictest33-21ksoftirqd/209:25:282
11648996433,4cyclictest33-21ksoftirqd/212:00:002
11648996432,4cyclictest33-21ksoftirqd/210:10:232
11648996431,4cyclictest33-21ksoftirqd/211:25:142
11648996332,4cyclictest33-21ksoftirqd/210:15:242
11648996326,5cyclictest33-21ksoftirqd/208:05:232
11648996229,5cyclictest33-21ksoftirqd/210:05:172
11648996229,4cyclictest33-21ksoftirqd/211:30:232
11648996130,4cyclictest33-21ksoftirqd/207:10:252
11648996130,4cyclictest33-21ksoftirqd/207:10:252
11648996129,4cyclictest33-21ksoftirqd/208:55:172
11648996127,7cyclictest33-21ksoftirqd/209:15:272
11648996125,9cyclictest33-21ksoftirqd/207:37:262
11648996031,3cyclictest33-21ksoftirqd/211:10:182
11648996028,6cyclictest33-21ksoftirqd/208:30:152
11648996028,4cyclictest33-21ksoftirqd/208:15:142
11648996027,4cyclictest33-21ksoftirqd/212:05:222
11648996026,3cyclictest33-21ksoftirqd/209:50:212
11648995929,4cyclictest33-21ksoftirqd/212:30:252
11648995928,4cyclictest33-21ksoftirqd/211:35:252
11648995928,4cyclictest33-21ksoftirqd/208:35:152
11648995928,4cyclictest33-21ksoftirqd/208:20:182
11648995928,4cyclictest33-21ksoftirqd/208:20:182
11648995926,4cyclictest33-21ksoftirqd/212:00:132
11648995926,3cyclictest33-21ksoftirqd/211:45:152
11648995920,4cyclictest33-21ksoftirqd/209:45:002
139391580,1ptp4l0-21swapper/312:35:283
11648995828,4cyclictest33-21ksoftirqd/212:15:132
11648995827,4cyclictest33-21ksoftirqd/212:20:152
11648995826,4cyclictest33-21ksoftirqd/211:40:582
11648995825,5cyclictest33-21ksoftirqd/211:05:192
11648995824,8cyclictest33-21ksoftirqd/208:00:152
11648995822,5cyclictest33-21ksoftirqd/209:30:142
11646995816,4cyclictest9-21ksoftirqd/007:20:000
11648995734,3cyclictest33-21ksoftirqd/210:50:272
11648995729,3cyclictest33-21ksoftirqd/207:40:282
11648995728,7cyclictest33-21ksoftirqd/207:45:182
11648995725,5cyclictest33-21ksoftirqd/208:40:142
11648995724,4cyclictest33-21ksoftirqd/209:35:222
11648995723,4cyclictest33-21ksoftirqd/211:15:142
11648995627,6cyclictest33-21ksoftirqd/210:00:242
11648995622,5cyclictest33-21ksoftirqd/209:10:162
11648995527,4cyclictest33-21ksoftirqd/208:50:232
11648995524,6cyclictest33-21ksoftirqd/207:25:202
11648995516,7cyclictest33-21ksoftirqd/209:45:162
1164899545,5cyclictest33-21ksoftirqd/210:00:012
11648995325,4cyclictest33-21ksoftirqd/210:55:142
11648995321,9cyclictest33-21ksoftirqd/210:20:142
11648995318,5cyclictest33-21ksoftirqd/210:45:182
11648995224,4cyclictest33-21ksoftirqd/207:30:232
11648995218,3cyclictest33-21ksoftirqd/210:27:582
11648995137,3cyclictest33-21ksoftirqd/207:20:002
11648995120,5cyclictest33-21ksoftirqd/209:10:002
11648995119,5cyclictest33-21ksoftirqd/207:55:002
11648995021,8cyclictest33-21ksoftirqd/208:10:142
11648995021,6cyclictest33-21ksoftirqd/212:10:132
11648995021,6cyclictest33-21ksoftirqd/212:10:122
1164899494,5cyclictest33-21ksoftirqd/210:35:272
1164899493,7cyclictest33-21ksoftirqd/210:30:132
11648994917,6cyclictest33-21ksoftirqd/209:20:212
1164899484,7cyclictest33-21ksoftirqd/207:55:152
1164899484,5cyclictest33-21ksoftirqd/211:54:592
1164899484,5cyclictest33-21ksoftirqd/211:00:152
11648994817,4cyclictest33-21ksoftirqd/211:20:132
11648994816,5cyclictest33-21ksoftirqd/210:40:182
11646994830,4cyclictest9-21ksoftirqd/008:40:190
11646994811,8cyclictest9-21ksoftirqd/009:50:240
1164899475,7cyclictest33-21ksoftirqd/209:00:252
1164899473,5cyclictest33-21ksoftirqd/212:25:232
1164899473,4cyclictest33-21ksoftirqd/208:45:272
11648994720,7cyclictest33-21ksoftirqd/207:25:002
1164899462,7cyclictest33-21ksoftirqd/212:40:002
1164899453,7cyclictest33-21ksoftirqd/208:25:232
139391440,0ptp4l401ktimersoftd/308:23:093
139391440,0ptp4l401ktimersoftd/308:23:093
139391430,1ptp4l29751-21idleruntime08:55:173
139391430,0ptp4l401ktimersoftd/307:56:453
139391430,0ptp4l401ktimersoftd/307:47:543
11646994338,3cyclictest9-21ksoftirqd/007:50:000
1164699424,3cyclictest121rcu_preempt07:45:000
11646994236,3cyclictest9-21ksoftirqd/009:35:000
11649994116,22cyclictest25652-21idleruntime-cro07:39:593
11646994138,2cyclictest9-21ksoftirqd/008:00:000
11646994020,3cyclictest9-21ksoftirqd/008:55:230
1164999399,28cyclictest17472-21kworker/3:111:56:133
1164999390,16cyclictest31555-21/usr/sbin/munin12:20:173
1164799399,3cyclictest25-21ksoftirqd/107:25:191
11647993932,5cyclictest25-21ksoftirqd/111:53:351
11646993934,3cyclictest9-21ksoftirqd/007:55:000
11646993934,2cyclictest9-21ksoftirqd/008:10:270
11646993933,3cyclictest9-21ksoftirqd/009:20:000
11646993922,5cyclictest9-21ksoftirqd/012:35:000
1164999389,27cyclictest17472-21kworker/3:111:15:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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