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2026-03-26 - 10:18
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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 Thu Mar 26, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1655521610,4sleep42840599cyclictest00:22:114
3241621520,1sleep02838399cyclictest23:35:340
2513721400,4sleep12838899cyclictest21:26:541
459721330,0sleep44598-21sshd23:57:504
1494521220,0sleep51-21systemd23:39:485
1402621180,0sleep40-21swapper/422:37:114
2521421170,0sleep30-21swapper/322:02:153
2521421170,0sleep30-21swapper/322:02:143
874321120,0sleep00-21swapper/021:17:400
2502021100,1sleep625003-21sshd22:32:406
2270621050,0sleep70-21swapper/700:17:257
311732900,1sleep331165-21sshd22:12:403
11672850,1sleep21166-21bash22:38:132
141762840,1sleep40-21swapper/422:55:454
111872840,1sleep60-21swapper/621:22:516
111652840,0sleep10-21swapper/100:28:411
111652840,0sleep10-21swapper/100:28:411
295912830,1sleep3401rcuc/321:47:163
18412830,0sleep40-21swapper/423:52:374
188362820,1sleep10-21swapper/123:02:491
297052810,2sleep40-21swapper/400:29:404
297052810,2sleep40-21swapper/400:29:394
240892810,0sleep50-21swapper/522:41:055
145572810,1sleep3744-21NetworkManager00:08:313
7332800,2sleep080350irq/26-eno1-tx-22:48:210
6842800,1sleep20-21swapper/221:27:202
38772800,1sleep33836-21sshd00:31:393
38772800,1sleep33836-21sshd00:31:393
138632800,0sleep30-21swapper/322:23:383
64952790,1sleep51012-21runrttasks22:04:425
64952790,1sleep51012-21runrttasks22:04:415
6412790,1sleep50-21swapper/521:57:365
6412790,1sleep50-21swapper/521:57:355
261892790,0sleep20-21swapper/222:56:252
138762790,1sleep513859-21sshd22:08:265
138762790,1sleep513859-21sshd22:08:255
247272770,0sleep70-21swapper/722:09:017
247272770,0sleep70-21swapper/722:09:017
216782770,0sleep50-21swapper/500:25:485
216782770,0sleep50-21swapper/500:25:485
130042770,1sleep30-21swapper/321:34:413
83382750,1sleep78337-21sshd22:58:547
309722750,0sleep10-21swapper/123:57:311
266102750,0sleep60-21swapper/621:37:016
259112750,0sleep20-21swapper/222:30:592
209282750,0sleep10-21swapper/100:05:241
174672750,0sleep60-21swapper/600:15:236
73242740,1sleep31012-21runrttasks00:20:013
52452740,0sleep70-21swapper/722:38:267
227492740,0sleep00-21swapper/021:25:090
184672740,0sleep60-21swapper/622:01:546
184672740,0sleep60-21swapper/622:01:546
115602740,0sleep70-21swapper/723:09:127
115602740,0sleep70-21swapper/723:09:127
97962730,1sleep59794-21sshd21:31:075
247492730,1sleep60-21swapper/623:55:286
212542730,0sleep30-21swapper/300:37:413
212542730,0sleep30-21swapper/300:37:413
11072730,1sleep10-21swapper/100:17:591
79872720,0sleep00-21swapper/000:26:470
79872720,0sleep00-21swapper/000:26:470
260062720,0sleep00-21swapper/000:02:190
252652720,0sleep40-21swapper/423:16:384
252652720,0sleep40-21swapper/423:16:384
20122720,0sleep40-21swapper/422:24:454
15762720,1sleep41578-21grepconf.sh23:05:164
15762720,1sleep41578-21grepconf.sh23:05:154
10002720,1sleep10-21swapper/122:14:321
289792710,1sleep028973-21sshd21:48:570
286452710,0sleep20-21swapper/222:14:162
218432710,0sleep10-21swapper/123:08:021
218432710,0sleep10-21swapper/123:08:011
212372710,4sleep22839599cyclictest00:24:092
101832710,0sleep70-21swapper/722:47:087
42132700,0sleep30-21swapper/300:28:193
42132700,0sleep30-21swapper/300:28:193
302142700,0sleep0121rcuc/000:21:100
55072690,0sleep20-21swapper/220:35:102
225612690,0sleep50-21swapper/523:58:475
24092670,0sleep70-21swapper/722:26:247
205632670,1sleep220562-21sshd23:24:542
121882670,0sleep50-21swapper/523:48:055
192792660,4sleep62841999cyclictest21:26:356
164072660,2sleep2311rcuc/223:53:232
154022660,3sleep52841299cyclictest21:51:355
154022660,3sleep52841299cyclictest21:51:355
182492650,0sleep6671rcuc/621:45:026
180802650,0sleep00-21swapper/023:56:500
323802620,0sleep40-21swapper/400:14:334
157552620,0sleep00-21swapper/023:43:100
212442600,1sleep20-21swapper/200:32:352
212442600,1sleep20-21swapper/200:32:352
2812725948,7sleep70-21swapper/719:09:287
243552590,0sleep40-21swapper/422:34:224
54932580,4sleep02838399cyclictest22:51:580
2798425848,6sleep30-21swapper/319:07:403
274222580,0sleep00-21swapper/022:15:500
138902580,1sleep313891-21kworker/u16:200:22:023
2812925545,6sleep00-21swapper/019:09:280
2813525444,6sleep60-21swapper/619:09:346
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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