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2026-06-19 - 07:48
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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 Fri Jun 19, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
264521530,4sleep7368199cyclictest21:22:057
492021420,1sleep64865-21sshd00:06:506
304772880,1sleep60-21swapper/622:16:386
149552840,1sleep51014-21runrttasks23:10:385
96572830,1sleep4491rcuc/421:46:234
179442820,0sleep50-21swapper/521:38:215
71852800,1sleep77188-21grep22:54:547
16272800,4sleep0363899cyclictest22:56:150
115822790,1sleep6671rcuc/621:27:406
260182780,1sleep326015-21sshd23:59:263
256952780,0sleep40-21swapper/423:50:444
39292770,1sleep23928-21bash21:40:592
259052770,2sleep00-21swapper/021:54:120
119332770,1sleep431759-21kworker/4:000:31:164
49402760,0sleep60-21swapper/622:08:296
315402760,0sleep30-21swapper/300:13:293
257222760,0sleep4491rcuc/423:07:504
191892760,0sleep00-21swapper/022:24:420
272012750,1sleep227199-21sshd00:02:542
202302750,0sleep40-21swapper/400:19:474
113102750,1sleep211291-21sshd22:43:032
118882740,0sleep20-21swapper/223:12:122
315102730,0sleep70-21swapper/722:37:147
26602730,0sleep20-21swapper/222:37:252
61712720,0sleep70-21swapper/723:32:367
31502720,0sleep30-21swapper/323:51:173
221532720,0sleep30-21swapper/323:19:433
313982710,1sleep231396-21sshd21:57:512
282392710,0sleep70-21swapper/700:21:507
260032710,1sleep30-21swapper/321:21:363
155792710,1sleep40-21swapper/422:38:084
146882710,1sleep40-21swapper/422:58:444
143262710,0sleep10-21swapper/100:19:281
38102700,0sleep60-21swapper/623:54:486
295052700,0sleep50-21swapper/521:59:295
104342700,1sleep610388-21sshd00:00:176
19232690,0sleep40-21swapper/421:23:464
107942690,0sleep1221rcuc/121:24:161
5682680,0sleep50-21swapper/522:27:035
5812670,0sleep00-21swapper/022:18:330
169702670,4sleep5366899cyclictest21:48:315
144872670,0sleep10-21swapper/123:31:191
58192660,3sleep7368199cyclictest22:17:027
284562660,1sleep778-21ksoftirqd/700:28:467
171912660,1sleep4501ktimersoftd/400:12:424
88862640,3sleep6367299cyclictest23:44:466
88862640,3sleep6367299cyclictest23:44:456
146052640,4sleep7368199cyclictest21:26:067
260282630,2sleep6367299cyclictest00:18:216
202522630,0sleep30-21swapper/300:18:013
56402620,1sleep25637-21sshd22:11:532
56402620,1sleep25637-21sshd22:11:522
328826150,7sleep60-21swapper/619:08:166
18602610,1sleep11828-21sshd00:03:171
339726050,6sleep50-21swapper/519:09:435
138026049,7sleep70-21swapper/719:05:057
111092600,1sleep011100-21sshd21:55:070
253442590,0sleep20-21swapper/223:25:032
253442590,0sleep20-21swapper/223:25:022
99772580,0sleep70-21swapper/722:55:017
305382570,3sleep6367299cyclictest23:13:136
249562560,0sleep20-21swapper/223:38:492
321725444,6sleep00-21swapper/019:07:220
147812520,4sleep40-21swapper/421:15:534
334824827,6sleep30-21swapper/319:09:023
328324433,7sleep10-21swapper/119:08:111
322124332,7sleep40-21swapper/419:07:274
342824232,6sleep20-21swapper/219:09:572
106522410,0sleep40-21swapper/422:10:274
106522410,0sleep40-21swapper/422:10:264
130882300,0sleep01-21systemd23:20:520
27952270,1sleep62792-21sshd23:34:126
129202250,0sleep60-21swapper/622:51:416
365199230,1cyclictest0-21swapper/222:33:352
137462230,1sleep313732-21sshd22:08:583
92222220,0sleep3401rcuc/323:27:363
92222220,0sleep3401rcuc/323:27:363
6672220,0sleep4656-21bash00:35:504
365199220,2cyclictest14046-21sshd22:27:462
303572220,0sleep60-21swapper/623:56:086
229222220,0sleep70-21swapper/700:13:017
212742220,0sleep20-21swapper/223:02:272
46392210,0sleep30-21swapper/323:41:073
46392210,0sleep30-21swapper/323:41:073
283292210,2sleep20-21swapper/221:49:092
217522210,1sleep50-21swapper/523:48:545
217162210,0sleep3401rcuc/321:47:023
182332210,1sleep081ktimersoftd/021:22:540
137672210,1sleep3401rcuc/300:07:203
73992200,1sleep37395-21sshd21:42:523
71462200,0sleep30-21swapper/322:41:043
365199200,1cyclictest0-21swapper/222:20:252
292042200,1sleep560-21ksoftirqd/500:33:585
222762200,0sleep70-21swapper/700:07:477
191862200,0sleep30-21swapper/323:14:223
185152200,1sleep7771ktimersoftd/723:12:337
103802200,0sleep010367-21bash21:32:480
3651991917,1cyclictest3729-21grepconf.sh21:30:402
299242190,0sleep6671rcuc/621:30:226
291822190,1sleep5591ktimersoftd/522:31:595
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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