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2026-06-20 - 04:57
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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 Sat Jun 20, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63821170,3sleep20-21swapper/200:10:392
63821170,3sleep20-21swapper/200:10:392
63821170,3sleep20-21swapper/200:10:392
2879221010,3chrt0-21swapper/221:28:372
2879221010,3chrt0-21swapper/221:28:372
171692970,3chrt0-21swapper/319:50:403
171692970,3chrt0-21swapper/319:50:403
171692970,3chrt0-21swapper/319:50:403
227572900,3sleep30-21swapper/321:58:213
227572900,3sleep30-21swapper/321:58:213
25682790,3sleep22649-21irqstats19:10:422
210992780,3sleep221100-21cat00:35:312
210992780,3sleep221100-21cat00:35:312
34302770,2sleep13572-21unixbench-2d20:40:511
34302770,2sleep13572-21unixbench-2d20:40:511
69952710,4sleep30-21swapper/300:18:073
69952710,4sleep30-21swapper/300:18:073
69952710,4sleep30-21swapper/300:18:073
47872670,2sleep30-21swapper/319:15:483
47872670,2sleep30-21swapper/319:15:483
258212670,3sleep00-21swapper/000:40:190
258212670,3sleep00-21swapper/000:40:190
150742640,2chrt0-21swapper/323:46:563
150742640,2chrt0-21swapper/323:46:563
93672630,5sleep20-21swapper/223:00:452
93672630,5sleep20-21swapper/223:00:452
93672630,5sleep20-21swapper/223:00:452
249342610,3sleep20-21swapper/200:39:082
249342610,3sleep20-21swapper/200:39:082
133102600,3sleep20-21swapper/221:10:332
133102600,3sleep20-21swapper/221:10:332
155202590,3sleep20-21swapper/200:29:362
155202590,3sleep20-21swapper/200:29:362
75932580,3sleep30-21swapper/321:40:283
75932580,3sleep30-21swapper/321:40:283
35702580,4chrt0-21swapper/300:14:013
35702580,4chrt0-21swapper/300:14:013
35702580,4chrt0-21swapper/300:14:013
262772560,4sleep333-21ksoftirqd/321:25:453
262772560,4sleep333-21ksoftirqd/321:25:453
198662530,3sleep30-21swapper/323:14:013
198662530,3sleep30-21swapper/323:14:013
239012520,4sleep30-21swapper/323:58:103
239012520,4sleep30-21swapper/323:58:103
239012520,4sleep30-21swapper/323:58:103
85922510,4sleep30-21swapper/319:25:493
85922510,4sleep30-21swapper/319:25:493
90072500,2sleep30-21swapper/320:55:513
90072500,2sleep30-21swapper/320:55:513
205872500,3sleep10-21swapper/120:00:391
205872500,3sleep10-21swapper/120:00:391
205872500,3sleep10-21swapper/120:00:391
282712490,2sleep028284-21ssh23:24:360
282712490,2sleep028284-21ssh23:24:360
88692470,3chrt0-21swapper/220:55:502
88692470,3chrt0-21swapper/220:55:502
199632470,3sleep227-21ksoftirqd/221:18:002
199632470,3sleep227-21ksoftirqd/221:18:002
199632470,3sleep227-21ksoftirqd/221:18:002
87222460,4sleep00-21swapper/000:20:420
87222460,4sleep00-21swapper/000:20:420
87222460,4sleep00-21swapper/000:20:420
28822460,2sleep30-21swapper/323:32:303
28822460,2sleep30-21swapper/323:32:303
285472460,1sleep00-21swapper/000:04:380
285472460,1sleep00-21swapper/000:04:380
285472460,1sleep00-21swapper/000:04:380
238212460,4sleep30-21swapper/322:39:363
238212460,4sleep30-21swapper/322:39:363
238212460,4sleep30-21swapper/322:39:363
147402460,3sleep30-21swapper/321:48:293
147402460,3sleep30-21swapper/321:48:293
147402460,3sleep30-21swapper/321:48:293
352299442,32cyclictest25358-21cupsd00:00:372
352299442,32cyclictest25358-21cupsd00:00:372
352299442,32cyclictest25358-21cupsd00:00:372
3520994420,20cyclictest1-21systemd00:00:370
3520994420,20cyclictest1-21systemd00:00:370
3520994420,20cyclictest1-21systemd00:00:370
214992430,3chrt0-21swapper/021:55:560
214992430,3chrt0-21swapper/021:55:560
105282430,4sleep29790-21/usr/sbin/munin21:00:482
105282430,4sleep29790-21/usr/sbin/munin21:00:482
352299420,5cyclictest5259-21ssh21:37:192
352299420,5cyclictest5259-21ssh21:37:192
47412410,2chrt0-21swapper/219:15:472
47412410,2chrt0-21swapper/219:15:472
34662410,2sleep02048-21ls19:11:000
25072410,4sleep20-21swapper/222:13:272
25072410,4sleep20-21swapper/222:13:272
19922400,2sleep30-21swapper/321:34:373
126062400,4sleep333-21ksoftirqd/323:05:333
126062400,4sleep333-21ksoftirqd/323:05:333
126062400,4sleep333-21ksoftirqd/323:05:333
108972400,4sleep30-21swapper/300:23:063
108972400,4sleep30-21swapper/300:23:063
108972400,4sleep30-21swapper/300:23:063
74052390,2sleep00-21swapper/021:40:170
74052390,2sleep00-21swapper/021:40:170
352199393,27cyclictest26068-21cut00:00:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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