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2025-11-27 - 12:33
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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 Nov 27, 2025 00:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
98621270,3chrt0-21swapper/300:31:103
98621270,3chrt0-21swapper/300:31:103
2895321050,4sleep30-21swapper/322:40:223
2895321050,4sleep30-21swapper/322:40:223
2516821040,3sleep30-21swapper/300:21:053
2516821040,3sleep30-21swapper/300:21:053
58852990,2sleep10-21swapper/119:25:571
58852990,2sleep10-21swapper/119:25:571
193582970,3chrt0-21swapper/321:20:483
193582970,3chrt0-21swapper/321:20:483
236732920,3chrt0-21swapper/322:34:233
322482860,4sleep10-21swapper/121:34:251
322482860,4sleep10-21swapper/121:34:251
300802850,2sleep1201rcuc/122:06:081
86242810,2chrt0-21swapper/023:27:010
135432810,2sleep20-21swapper/219:45:592
135432810,2sleep20-21swapper/219:45:592
89252800,3sleep10-21swapper/122:18:291
1555997961,10cyclictest9588-21diskmemload22:10:572
51982760,7sleep333-21ksoftirqd/323:58:393
51982760,7sleep333-21ksoftirqd/323:58:393
243182730,3sleep10-21swapper/123:44:261
243182730,3sleep10-21swapper/123:44:261
164912730,3chrt0-21swapper/000:11:060
164912730,3chrt0-21swapper/000:11:060
320112720,4chrt0-21swapper/222:42:502
320112720,4chrt0-21swapper/222:42:502
294472700,2sleep00-21swapper/020:31:020
185682680,3sleep20-21swapper/221:19:592
185682680,3sleep20-21swapper/221:19:592
104372670,3sleep010546-21df21:45:580
104372670,3sleep010546-21df21:45:580
203512660,3sleep330869-21kworker/3:221:56:013
203512660,3sleep330869-21kworker/3:221:56:013
101432660,3chrt0-21swapper/322:54:533
101432660,3chrt0-21swapper/322:54:533
101432660,3chrt0-21swapper/322:54:533
48812650,2chrt0-21swapper/221:39:562
48812650,2chrt0-21swapper/221:39:562
155399646,49cyclictest29761-21ssh23:15:560
155399646,49cyclictest29761-21ssh23:15:560
28502630,4chrt0-21swapper/121:36:541
28502630,4chrt0-21swapper/121:36:541
290012620,2sleep30-21swapper/323:15:063
67832610,3sleep30-21swapper/300:39:343
67832610,3sleep30-21swapper/300:39:343
115992600,6sleep111781-21fschecks_time23:31:011
115992600,6sleep111781-21fschecks_time23:31:011
35582590,3sleep00-21swapper/000:35:450
35582590,3sleep00-21swapper/000:35:450
155399578,41cyclictest24587-21ssh22:00:570
155399578,41cyclictest24587-21ssh22:00:570
96592560,3chrt0-21swapper/200:03:122
96592560,3chrt0-21swapper/200:03:122
155599552,42cyclictest5760-21ssh21:40:572
155599552,42cyclictest5760-21ssh21:40:572
119672550,3sleep20-21swapper/200:06:012
119672550,3sleep20-21swapper/200:06:012
155599542,45cyclictest20122-21ssh00:15:582
155599542,45cyclictest20122-21ssh00:15:582
83902520,3sleep30-21swapper/321:06:023
83902520,3sleep30-21swapper/321:06:023
83902520,3sleep30-21swapper/321:06:023
285062510,2sleep128524-21latency_hist20:30:481
180992510,2sleep218111-21ssh23:37:092
180992510,2sleep218111-21ssh23:37:092
290792500,3chrt0-21swapper/222:40:332
290792500,3chrt0-21swapper/222:40:332
24992500,6sleep333-21ksoftirqd/323:21:013
24992500,6sleep333-21ksoftirqd/323:21:013
16992500,3chrt0-21swapper/219:13:042
116892500,2sleep30-21swapper/321:11:443
116892500,2sleep30-21swapper/321:11:443
251542490,4sleep10-21swapper/120:16:081
251542490,4sleep10-21swapper/120:16:081
67722480,14sleep121-21ksoftirqd/121:41:081
67722480,14sleep121-21ksoftirqd/121:41:081
4842480,2sleep227-21ksoftirqd/223:53:312
4842480,2sleep227-21ksoftirqd/223:53:312
155399477,26cyclictest38850irq/55-eth021:50:560
155399477,26cyclictest38850irq/55-eth021:50:560
143982470,3sleep20-21swapper/222:24:412
147252460,3sleep30-21swapper/322:25:113
155399453,34cyclictest7025-21ssh00:00:590
155399453,34cyclictest7025-21ssh00:00:590
155399451,36cyclictest20114-21ssh00:15:570
155399451,36cyclictest20114-21ssh00:15:570
76442440,4sleep20-21swapper/222:16:382
58172440,2sleep10-21swapper/122:15:481
155599441,40cyclictest732-21runrttasks19:30:562
155599441,40cyclictest732-21runrttasks19:30:562
155499443,6cyclictest131rcu_preempt19:45:571
155499443,6cyclictest131rcu_preempt19:45:571
155499443,29cyclictest9974-21ssh21:10:541
155499443,29cyclictest9974-21ssh21:10:541
155499443,29cyclictest9974-21ssh21:10:541
41432430,4chrt0-21swapper/122:47:431
41432430,4chrt0-21swapper/122:47:431
155399423,25cyclictest38850irq/55-eth020:30:520
4562410,7sleep30-21swapper/319:11:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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