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2026-05-06 - 05:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot0.osadl.org (updated Wed May 06, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2473421300,0sleep024735-21sshd22:45:360
2473421300,0sleep024735-21sshd22:45:350
83542880,0sleep5591ktimersoftd/523:05:205
17682860,0sleep10-21swapper/122:20:201
109922860,0sleep5581rcuc/522:01:565
313812850,4sleep4450999cyclictest00:28:554
121762840,1sleep50-21swapper/521:14:055
207762820,1sleep10-21swapper/100:00:471
58352810,1sleep20-21swapper/222:53:162
52842810,1sleep70-21swapper/722:27:247
140242800,1sleep60-21swapper/621:17:346
95852780,4sleep4450999cyclictest21:31:034
32422780,1sleep5581rcuc/521:15:175
217562780,0sleep50-21swapper/523:50:335
90622770,0sleep50-21swapper/522:29:225
42612770,0sleep60-21swapper/622:37:416
42612770,0sleep60-21swapper/622:37:406
304282770,0sleep40-21swapper/423:33:574
229162760,0sleep5581rcuc/522:24:575
186092760,1sleep40-21swapper/421:16:034
159122760,1sleep40-21swapper/423:29:484
95112750,1sleep20-21swapper/219:20:002
246992750,1sleep724697-21sshd00:02:457
181142750,0sleep50-21swapper/500:24:475
158862750,0sleep10-21swapper/121:14:161
324972740,0sleep20-21swapper/221:28:522
324972740,0sleep20-21swapper/221:28:522
209832740,1sleep1231ktimersoftd/122:43:451
209832740,1sleep1231ktimersoftd/122:43:451
130702740,0sleep40-21swapper/422:31:144
130702740,0sleep40-21swapper/422:31:144
37582730,0sleep40-21swapper/423:10:174
320802730,0sleep30-21swapper/322:40:503
320802730,0sleep30-21swapper/322:40:493
300332730,0sleep30-21swapper/320:00:153
28962730,1sleep2311rcuc/222:18:452
255372730,0sleep00-21swapper/000:11:190
35702720,0sleep70-21swapper/700:08:307
247132720,0sleep4491rcuc/422:14:474
156292720,4sleep3450499cyclictest23:05:433
140912720,0sleep30-21swapper/321:45:033
107792720,0sleep70-21swapper/722:34:377
107792720,0sleep70-21swapper/722:34:377
64842710,0sleep40-21swapper/400:36:004
4662710,0sleep50-21swapper/522:49:345
4662710,0sleep50-21swapper/522:49:335
26772710,0sleep22625-21sshd23:06:462
239732710,0sleep60-21swapper/621:26:406
239732710,0sleep60-21swapper/621:26:396
212702710,0sleep20-21swapper/223:02:372
212702710,0sleep20-21swapper/223:02:372
175722710,0sleep70-21swapper/722:52:087
173212710,0sleep70-21swapper/723:00:427
173212710,0sleep70-21swapper/723:00:427
139312710,0sleep513934-21systemd-cgroups21:36:255
120812710,0sleep50-21swapper/523:41:275
87772700,4sleep2449899cyclictest21:13:532
327412700,1sleep7681-21dbus-daemon00:11:437
261912700,1sleep30-21swapper/300:13:073
200192700,0sleep50-21swapper/520:45:195
184672700,0sleep2321ktimersoftd/221:33:172
86552690,0sleep60-21swapper/622:48:156
86552690,0sleep60-21swapper/622:48:146
49132690,0sleep70-21swapper/722:15:227
298042690,0sleep20-21swapper/222:01:142
296932690,0sleep10-21swapper/121:20:101
296932690,0sleep10-21swapper/121:20:091
82842680,0sleep30-21swapper/322:00:113
313602680,1sleep031361-21grepconf.sh22:56:180
80532670,0sleep30-21swapper/322:46:273
80532670,0sleep30-21swapper/322:46:263
72552670,0sleep10-21swapper/123:07:001
44942670,4sleep4450999cyclictest21:13:404
299292670,1sleep20-21swapper/200:30:292
33982660,0sleep60-21swapper/623:17:086
98242650,0sleep60-21swapper/622:44:546
98242650,0sleep60-21swapper/622:44:536
96022650,1sleep01-21systemd21:37:560
266432650,1sleep342-21ksoftirqd/321:13:073
20522630,0sleep50-21swapper/521:44:255
3512610,4sleep2449899cyclictest23:44:202
415326050,6sleep70-21swapper/719:08:297
421625949,6sleep50-21swapper/519:09:165
426225747,6sleep40-21swapper/419:09:544
415525746,7sleep00-21swapper/019:08:310
408125747,6sleep10-21swapper/119:07:351
89172550,0sleep60-21swapper/623:32:476
33312540,0sleep60-21swapper/622:23:536
412524826,7sleep60-21swapper/619:08:126
254052470,1sleep70-21swapper/700:20:007
141482430,0sleep70-21swapper/722:39:587
141482430,0sleep70-21swapper/722:39:587
130752430,1sleep50-21swapper/519:25:175
398224231,7sleep30-21swapper/319:06:163
394224131,6sleep20-21swapper/219:05:512
192072250,1sleep6681ktimersoftd/621:36:426
253022240,1sleep20-21swapper/221:59:212
28662230,1sleep7681-21dbus-daemon21:22:087
28662230,1sleep7681-21dbus-daemon21:22:087
163172230,0sleep40-21swapper/421:46:504
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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