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2026-06-10 - 08:50
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot1.osadl.org (updated Wed Jun 10, 2026 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
971621360,2sleep00-21swapper/022:00:230
971621360,2sleep00-21swapper/022:00:230
2050721330,3sleep30-21swapper/300:14:063
2050721330,3sleep30-21swapper/300:14:063
510421280,3sleep20-21swapper/219:50:332
510421280,3sleep20-21swapper/219:50:332
510421280,3sleep20-21swapper/219:50:332
2580221190,5sleep225770-21awk22:20:192
2580221190,5sleep225770-21awk22:20:192
2967521180,2sleep30-21swapper/323:45:323
3111921070,3sleep131108-21ssh22:25:401
3111921070,3sleep131108-21ssh22:25:401
3111921070,3sleep131108-21ssh22:25:401
1491621070,3sleep10-21swapper/123:26:131
1491621070,3sleep10-21swapper/123:26:131
103522980,3sleep30-21swapper/322:40:093
103522980,3sleep30-21swapper/322:40:093
30292940,4sleep30-21swapper/321:52:353
232742940,5sleep333-21ksoftirqd/300:16:473
232742940,5sleep333-21ksoftirqd/300:16:473
232742940,5sleep333-21ksoftirqd/300:16:473
197842940,3chrt0-21swapper/220:30:392
197842940,3chrt0-21swapper/220:30:392
177132900,3chrt0-21swapper/322:10:193
177132900,3chrt0-21swapper/322:10:193
132832880,4sleep30-21swapper/322:43:033
132832880,4sleep30-21swapper/322:43:033
60862860,4chrt4990-21/usr/sbin/munin23:55:431
60862860,4chrt4990-21/usr/sbin/munin23:55:431
47682850,1sleep333-21ksoftirqd/319:50:303
47682850,1sleep333-21ksoftirqd/319:50:303
229802840,2chrt22979-21/usr/sbin/munin22:15:401
229802840,2chrt22979-21/usr/sbin/munin22:15:401
112482830,2sleep30-21swapper/320:05:413
112482830,2sleep30-21swapper/320:05:413
91802770,3sleep30-21swapper/300:00:203
91802770,3sleep30-21swapper/300:00:203
316392750,3sleep10-21swapper/123:47:311
316392750,3sleep10-21swapper/123:47:311
43642730,3chrt0-21swapper/200:34:222
43642730,3chrt0-21swapper/200:34:222
53952720,3chrt0-21swapper/221:15:362
53952720,3chrt0-21swapper/221:15:362
239172700,2sleep022506-21ls19:10:490
239172700,2sleep022506-21ls19:10:490
239172700,2sleep022506-21ls19:10:490
210052700,2chrt0-21swapper/120:35:331
210052700,2chrt0-21swapper/120:35:331
85212680,2chrt0-21swapper/000:38:300
298442670,2sleep10-21swapper/119:30:261
298442670,2sleep10-21swapper/119:30:261
303582660,9sleep333-21ksoftirqd/323:45:403
303582660,9sleep333-21ksoftirqd/323:45:403
126852640,3sleep00-21swapper/023:24:310
126852640,3sleep00-21swapper/023:24:310
258032600,2sleep31829-21kworker/3:023:40:343
306362580,3chrt0-21swapper/119:30:391
306362580,3chrt0-21swapper/119:30:391
294802580,3sleep30-21swapper/320:59:463
202792560,3sleep30-21swapper/322:12:363
202792560,3sleep30-21swapper/322:12:363
53042550,3sleep1201rcuc/121:15:351
53042550,3sleep1201rcuc/121:15:351
113432540,9sleep227-21ksoftirqd/221:22:362
113432540,9sleep227-21ksoftirqd/221:22:362
298462530,3sleep30-21swapper/321:00:303
298462530,3sleep30-21swapper/321:00:303
129142530,3sleep30-21swapper/321:25:223
129142530,3sleep30-21swapper/321:25:223
255092520,3chrt0-21swapper/321:40:333
255092520,3chrt0-21swapper/321:40:333
255092520,3chrt0-21swapper/321:40:333
211152520,3chrt0-21swapper/323:35:153
211152520,3chrt0-21swapper/323:35:153
211152520,3chrt0-21swapper/323:35:153
95802510,3sleep30-21swapper/322:00:183
95802510,3sleep30-21swapper/322:00:183
43972510,4chrt0-21swapper/122:33:201
43972510,4chrt0-21swapper/122:33:201
54692500,3sleep30-21swapper/323:15:263
54692500,3sleep30-21swapper/323:15:263
198132490,2sleep10-21swapper/100:12:471
198132490,2sleep10-21swapper/100:12:471
57602460,2sleep30-21swapper/321:15:413
57602460,2sleep30-21swapper/321:15:413
52242460,3sleep05226-21needreboot19:50:350
52242460,3sleep05226-21needreboot19:50:350
52242460,3sleep05226-21needreboot19:50:350
28572460,4sleep30-21swapper/323:51:513
28572460,4sleep30-21swapper/323:51:513
128342450,2sleep30-21swapper/323:24:463
128342450,2sleep30-21swapper/323:24:463
289042440,3sleep30-21swapper/323:44:563
23968994431,6cyclictest9136-21latency_hist00:00:250
23968994431,6cyclictest9136-21latency_hist00:00:250
167842440,3sleep00-21swapper/023:29:420
167842440,3sleep00-21swapper/023:29:420
92872430,3chrt0-21swapper/323:20:243
92872430,3chrt0-21swapper/323:20:243
92872430,3chrt0-21swapper/323:20:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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