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2026-04-18 - 04:02
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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 Sat Apr 18, 2026 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1689821180,1sleep42816699cyclictest23:33:094
2768021160,0sleep40-21swapper/400:19:584
3057521050,1sleep3401rcuc/323:35:343
3057521050,1sleep3401rcuc/323:35:333
43662840,0sleep60-21swapper/623:00:106
41812830,0sleep20-21swapper/221:56:512
238012830,1sleep323789-21sshd22:25:123
4302800,0sleep40-21swapper/423:10:094
317272800,0sleep60-21swapper/621:12:076
138082800,1sleep50-21swapper/521:11:095
264122790,0sleep50-21swapper/522:49:195
239022790,0sleep20-21swapper/221:35:342
182732790,0sleep00-21swapper/021:45:340
33322780,1sleep1221rcuc/123:42:441
128112780,0sleep70-21swapper/721:38:287
96272770,0sleep40-21swapper/400:13:504
64212770,0sleep30-21swapper/321:58:443
49602770,0sleep00-21swapper/000:37:340
199192770,0sleep50-21swapper/500:31:295
148642770,1sleep00-21swapper/020:55:100
324402760,1sleep40-21swapper/421:34:244
293652760,0sleep10-21swapper/100:08:021
19332760,0sleep60-21swapper/600:03:096
72312750,1sleep77180-21sshd22:48:167
69122750,1sleep46892-21sshd22:55:124
32362750,0sleep60-21swapper/600:11:426
178062750,0sleep70-21swapper/719:55:007
160982750,0sleep00-21swapper/000:12:240
158692750,0sleep40-21swapper/423:04:084
156192750,1sleep40-21swapper/423:07:304
11812750,1sleep11187-21bash22:10:201
284432740,0sleep20-21swapper/200:33:432
104622740,0sleep3411ktimersoftd/321:41:443
99172730,0sleep2311rcuc/221:43:282
61332730,0sleep30-21swapper/322:15:433
61332730,0sleep30-21swapper/322:15:423
252302730,0sleep60-21swapper/622:33:496
148382730,1sleep3401rcuc/321:16:203
114832730,1sleep30-21swapper/321:46:583
9232720,0sleep50-21swapper/523:06:435
318292720,1sleep31014-21runrttasks22:13:423
278652720,0sleep40-21swapper/400:07:564
197652720,0sleep00-21swapper/021:40:300
168652720,1sleep50-21swapper/522:38:305
14802720,1sleep20-21swapper/222:05:172
14802720,1sleep20-21swapper/222:05:162
183912710,0sleep70-21swapper/723:53:487
146782710,0sleep60-21swapper/620:55:006
315022700,0sleep4491rcuc/422:35:484
265422700,0sleep50-21swapper/500:02:455
237912700,0sleep40-21swapper/422:47:264
171942700,1sleep00-21swapper/000:27:560
14902700,4sleep22815699cyclictest22:17:112
14902700,4sleep22815699cyclictest22:17:102
37602690,0sleep20-21swapper/223:41:012
208852680,0sleep10-21swapper/123:33:231
106772680,0sleep70-21swapper/721:55:287
106122680,0sleep60-21swapper/621:34:596
92252670,0sleep00-21swapper/022:41:280
109052670,1sleep50-21swapper/500:07:015
241942660,0sleep124195-21grep22:50:521
283682650,4sleep72818699cyclictest22:11:467
52692640,3sleep42816699cyclictest23:17:074
277022640,4sleep02814499cyclictest22:01:300
277022640,4sleep02814499cyclictest22:01:290
116562640,3sleep42816699cyclictest23:43:124
264202630,3sleep32816199cyclictest21:39:133
203002630,0sleep00-21swapper/023:21:190
62122590,1sleep3401rcuc/322:56:463
311602580,0sleep50-21swapper/521:41:075
2588025635,6sleep00-21swapper/019:05:030
2757725444,6sleep70-21swapper/719:05:427
108202540,1sleep610821-21kworker/u16:221:16:076
2789125130,6sleep50-21swapper/519:09:415
2789224635,7sleep60-21swapper/619:09:426
2787124534,7sleep30-21swapper/319:09:233
2783124333,6sleep10-21swapper/119:08:561
2781624231,7sleep40-21swapper/419:08:434
2773924231,7sleep20-21swapper/219:07:452
63412390,0sleep10-21swapper/123:10:231
149682330,0sleep60-21swapper/622:29:576
107092290,1sleep70-21swapper/700:30:597
297092230,1sleep10-21swapper/100:28:371
226472230,1sleep30-21swapper/323:07:523
190362230,1sleep5591ktimersoftd/523:02:335
73962220,0sleep70-21swapper/700:10:167
318982220,1sleep40-21swapper/422:00:054
318982220,1sleep40-21swapper/422:00:054
256182220,1sleep40-21swapper/423:49:044
233402220,1sleep523338-21sshd23:36:565
233402220,1sleep523338-21sshd23:36:555
130012220,0sleep20-21swapper/223:46:392
47902210,0sleep10-21swapper/123:47:581
30422210,1sleep4491rcuc/422:41:084
19872210,1sleep6671rcuc/622:58:176
166142210,0sleep60-21swapper/623:24:396
124652210,0sleep40-21swapper/423:51:464
28156992018,1cyclictest461-21systemd-journal23:20:052
2815699200,12cyclictest0-21swapper/200:23:172
145052200,0sleep10-21swapper/122:05:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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