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2026-06-04 - 07:17
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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 Thu Jun 04, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
850821300,3sleep20-21swapper/219:10:372
850821300,3sleep20-21swapper/219:10:372
767321190,11chrt12-21ksoftirqd/019:10:210
767321190,11chrt12-21ksoftirqd/019:10:210
842821130,2sleep18505-21switchtime19:10:361
842821130,2sleep18505-21switchtime19:10:361
1322221020,3sleep30-21swapper/323:17:563
2682521010,2sleep20-21swapper/220:30:162
2682521010,2sleep20-21swapper/220:30:162
1140221010,3sleep00-21swapper/000:35:260
1140221010,3sleep00-21swapper/000:35:260
1140221010,3sleep00-21swapper/000:35:260
932021000,2sleep20-21swapper/223:14:142
932021000,2sleep20-21swapper/223:14:142
9612930,3sleep30-21swapper/320:55:133
9612930,3sleep30-21swapper/320:55:133
77192910,4sleep30-21swapper/319:10:253
77192910,4sleep30-21swapper/319:10:253
252922910,3sleep30-21swapper/322:15:273
124212860,2sleep00-21swapper/021:20:300
124212860,2sleep00-21swapper/021:20:300
124212860,2sleep00-21swapper/021:20:300
108772830,3chrt0-21swapper/321:57:343
105612820,3chrt0-21swapper/021:57:070
135952810,2sleep20-21swapper/223:56:502
135952810,2sleep20-21swapper/223:56:502
59522790,3sleep00-21swapper/000:27:510
59522790,3sleep00-21swapper/000:27:510
59322750,2sleep2261rcuc/223:49:222
59322750,2sleep2261rcuc/223:49:222
201942730,3chrt0-21swapper/222:47:172
201942730,3chrt0-21swapper/222:47:172
201942730,3chrt0-21swapper/222:47:172
323572720,3sleep231627-1kworker/u9:021:45:282
323572720,3sleep231627-1kworker/u9:021:45:282
323572720,3sleep231627-1kworker/u9:021:45:282
165602720,3sleep30-21swapper/322:43:003
165602720,3sleep30-21swapper/322:43:003
194172690,3sleep30-21swapper/322:45:493
194172690,3sleep30-21swapper/322:45:493
194172690,3sleep30-21swapper/322:45:493
55262680,3sleep30-21swapper/321:51:523
55262680,3sleep30-21swapper/321:51:523
133882680,3chrt0-21swapper/022:39:430
286052650,3sleep30-21swapper/300:15:283
286052650,3sleep30-21swapper/300:15:283
286052650,3sleep30-21swapper/300:15:283
155332650,2sleep012-21ksoftirqd/022:41:040
155332650,2sleep012-21ksoftirqd/022:41:040
317072630,3chrt0-21swapper/221:45:202
317072630,3chrt0-21swapper/221:45:202
312612630,3sleep20-21swapper/223:40:262
217722630,10sleep333-21ksoftirqd/321:32:063
217722630,10sleep333-21ksoftirqd/321:32:063
259002560,3chrt0-21swapper/200:11:252
259002560,3chrt0-21swapper/200:11:252
203602560,3chrt0-21swapper/021:30:310
203602560,3chrt0-21swapper/021:30:310
52612520,1sleep15359-21/usr/sbin/munin22:30:331
52612520,1sleep15359-21/usr/sbin/munin22:30:331
309562510,3chrt0-21swapper/322:21:543
309562510,3chrt0-21swapper/322:21:543
262012500,3sleep30-21swapper/323:34:123
262012500,3sleep30-21swapper/323:34:123
262012500,3sleep30-21swapper/323:34:123
13642480,3chrt0-21swapper/021:46:540
13642480,3chrt0-21swapper/021:46:540
13642480,3chrt0-21swapper/021:46:540
54922470,2sleep30-21swapper/322:30:343
54922470,2sleep30-21swapper/322:30:343
292942470,3sleep20-21swapper/222:59:272
292942470,3sleep20-21swapper/222:59:272
292942470,3sleep20-21swapper/222:59:272
148582470,2sleep10-21swapper/100:39:291
148582470,2sleep10-21swapper/100:39:291
98162460,3chrt0-21swapper/222:35:272
8896994621,15cyclictest1-21systemd00:00:160
8896994621,15cyclictest1-21systemd00:00:160
111332460,3sleep20-21swapper/200:35:242
111332460,3sleep20-21swapper/200:35:242
111332460,3sleep20-21swapper/200:35:242
11112450,4sleep30-21swapper/323:04:503
11112450,4sleep30-21swapper/323:04:503
11112450,4sleep30-21swapper/323:04:503
243672410,10sleep333-21ksoftirqd/320:20:133
181932410,3sleep00-21swapper/000:01:580
181932410,3sleep00-21swapper/000:01:580
309972400,3chrt0-21swapper/021:44:130
309972400,3chrt0-21swapper/021:44:130
274392400,2sleep227511-21gzip20:30:262
274392400,2sleep227511-21gzip20:30:262
222342400,10sleep333-21ksoftirqd/322:10:373
222342400,10sleep333-21ksoftirqd/322:10:373
118242400,3chrt0-21swapper/322:37:253
889799383,28cyclictest17645-21ssh00:00:541
889799383,28cyclictest17645-21ssh00:00:541
280782380,3sleep20-21swapper/223:35:362
889799371,26cyclictest16467-21/usr/sbin/munin00:00:241
296742360,3sleep30-21swapper/323:38:103
296742360,3sleep30-21swapper/323:38:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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