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2025-11-23 - 11:56
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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 Sun Nov 23, 2025 00:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2256821530,3sleep00-21swapper/022:39:580
2256821530,3sleep00-21swapper/022:39:580
939821420,1sleep00-21swapper/000:10:570
939821420,1sleep00-21swapper/000:10:570
3020921160,3sleep20-21swapper/223:57:092
3020921160,3sleep20-21swapper/223:57:092
2202221110,2sleep20-21swapper/220:30:562
2202221110,2sleep20-21swapper/220:30:562
249192960,3sleep124417-21ls19:10:591
249192960,3sleep124417-21ls19:10:591
276912940,3sleep20-21swapper/200:31:052
286322860,2sleep227-21ksoftirqd/219:20:562
286322860,2sleep227-21ksoftirqd/219:20:562
188262850,4sleep10-21swapper/120:21:021
188262850,4sleep10-21swapper/120:21:021
250182800,3sleep20-21swapper/223:16:422
250182800,3sleep20-21swapper/223:16:422
123202800,2sleep20-21swapper/221:19:102
123202800,2sleep20-21swapper/221:19:102
268182780,7sleep227-21ksoftirqd/222:09:302
268182780,7sleep227-21ksoftirqd/222:09:302
47442750,3sleep30-21swapper/323:30:493
47442750,3sleep30-21swapper/323:30:493
66942740,9sleep333-21ksoftirqd/300:07:143
170412740,3chrt0-21swapper/323:08:513
170412740,3chrt0-21swapper/323:08:513
219702730,3chrt0-21swapper/222:39:042
219702730,3chrt0-21swapper/222:39:042
215672730,3sleep30-21swapper/323:48:093
215672730,3sleep30-21swapper/323:48:093
215672730,3sleep30-21swapper/323:48:093
147052730,3chrt0-21swapper/221:56:042
147052730,3chrt0-21swapper/221:56:042
4882720,3sleep30-21swapper/321:00:553
325802710,2sleep132693-21bingrep19:31:001
325802710,2sleep132693-21bingrep19:31:001
51562700,3chrt0-21swapper/223:30:562
51562700,3chrt0-21swapper/223:30:562
26012700,3sleep20-21swapper/223:27:472
26012700,3sleep20-21swapper/223:27:472
220092670,3chrt0-21swapper/200:25:422
220092670,3chrt0-21swapper/200:25:422
2601099655,44cyclictest4856-21ssh23:30:541
2601099655,44cyclictest4856-21ssh23:30:541
196122650,3sleep10-21swapper/100:21:391
196122650,3sleep10-21swapper/100:21:391
168572650,3sleep30-21swapper/320:16:023
168572650,3sleep30-21swapper/320:16:023
138502640,4sleep20-21swapper/222:30:442
138502640,4sleep20-21swapper/222:30:442
2600999638,9cyclictest131rcu_preempt23:40:530
2600999638,9cyclictest131rcu_preempt23:40:530
243012610,2sleep024347-21/usr/sbin/munin20:36:010
243012610,2sleep024347-21/usr/sbin/munin20:36:010
2601099602,49cyclictest3952-21diskmemload21:15:551
2601099602,49cyclictest3952-21diskmemload21:15:551
2600999605,39cyclictest27795-21ssh21:35:560
256702600,3sleep30-21swapper/321:32:593
88032580,2sleep18584-21apt-get21:15:451
88032580,2sleep18584-21apt-get21:15:451
20812540,1sleep00-21swapper/000:01:410
20812540,1sleep00-21swapper/000:01:410
2600999524,39cyclictest32473-21ssh21:40:550
182632520,3sleep10-21swapper/121:25:481
182632520,3sleep10-21swapper/121:25:481
182632520,3sleep10-21swapper/121:25:481
212892510,3chrt0-21swapper/223:47:442
212892510,3chrt0-21swapper/223:47:442
212892510,3chrt0-21swapper/223:47:442
96742500,3sleep30-21swapper/300:11:003
96742500,3sleep30-21swapper/300:11:003
53952500,2sleep20-21swapper/222:20:592
53952500,2sleep20-21swapper/222:20:592
322782500,2sleep032287-21sh22:50:400
2601099504,34cyclictest4762-21ssh22:55:541
2601099504,34cyclictest4762-21ssh22:55:541
196772490,2sleep119824-21sed22:01:061
196772490,2sleep119824-21sed22:01:061
227962480,3sleep10-21swapper/123:50:041
227962480,3sleep10-21swapper/123:50:041
227962480,3sleep10-21swapper/123:50:041
87842470,4chrt0-21swapper/221:50:212
26010994712,27cyclictest131rcu_preempt23:00:541
26010994712,27cyclictest131rcu_preempt23:00:541
2600999472,14cyclictest12-21ksoftirqd/021:55:540
2600999472,14cyclictest12-21ksoftirqd/021:55:540
23682460,5sleep30-21swapper/321:05:543
201982460,3sleep30-21swapper/320:25:593
201982460,3sleep30-21swapper/320:25:593
131712460,4sleep20-21swapper/200:15:412
131712460,4sleep20-21swapper/200:15:412
296352450,4sleep30-21swapper/322:11:443
296352450,4sleep30-21swapper/322:11:443
184122450,3chrt0-21swapper/300:21:013
184122450,3chrt0-21swapper/300:21:013
100192450,3sleep00-21swapper/023:35:570
2601099443,32cyclictest4776-21ssh00:05:511
2600999449,23cyclictest38850irq/55-eth000:30:550
2600999447,27cyclictest38850irq/55-eth023:10:540
2600999447,27cyclictest38850irq/55-eth023:10:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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