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2026-05-15 - 21:46
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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
Characteristics of the 100 highest latencies:
System rack5slot0.osadl.org (updated Fri May 15, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2099829733,43sleep10-21swapper/107:08:041
296872960,0sleep041ktimersoftd/009:39:230
160862950,0sleep041ktimersoftd/012:11:230
246812890,2sleep20-21swapper/210:54:482
165612880,0sleep00-21swapper/011:08:040
94942860,2sleep00-21swapper/009:30:090
232022860,2sleep323196-21bash09:45:233
2099528633,49sleep30-21swapper/307:08:023
208772860,0sleep220871-21sshd10:23:532
192162850,3sleep30-21swapper/311:11:483
172672840,2sleep217262-21sshd11:49:252
126432840,3sleep22143199cyclictest09:13:322
57082810,2sleep25688-21sshd11:03:092
24332810,3sleep30-21swapper/312:13:473
44442790,2sleep10-21swapper/109:33:071
157482790,4sleep22143199cyclictest11:37:262
31732760,2sleep10-21swapper/112:10:041
312972750,2sleep131294-21sshd09:18:521
77722740,4sleep12142899cyclictest11:03:241
300972740,2sleep20-21swapper/212:09:292
17652740,3sleep22143199cyclictest11:51:102
138822740,2sleep10-21swapper/108:05:001
105102740,1sleep010504-21bash12:18:200
258162730,3sleep32143299cyclictest12:27:573
2103427332,12sleep20-21swapper/207:08:252
193332730,4sleep32143299cyclictest12:31:023
156782720,1sleep20-21swapper/212:37:582
75092700,3sleep30-21swapper/310:45:073
37792700,1sleep10-21swapper/111:32:371
37642590,3sleep12142899cyclictest10:04:001
2099725832,14sleep00-21swapper/007:08:040
287542340,0sleep00-21swapper/012:24:180
301072320,2sleep227450-21munin-node10:10:242
184572300,2sleep10-21swapper/110:34:351
190352290,0sleep319034-21sshd09:55:173
279872280,2sleep30-21swapper/309:11:413
284762260,2sleep328475-21bash11:27:573
267292260,2sleep10-21swapper/111:27:441
256002260,2sleep325596-21bash12:23:523
242642260,3sleep20-21swapper/210:58:082
292942250,2sleep20-21swapper/209:56:202
2142899251,16cyclictest22-21ksoftirqd/109:27:051
213372251,22sleep3144650irq/27-eth009:35:073
142372250,2sleep20-21swapper/212:22:232
28912240,2sleep10-21swapper/110:18:081
176102240,22sleep1144650irq/27-eth009:24:141
52292230,2sleep22023-21nfsd12:33:052
38652230,2sleep10-21swapper/112:02:431
26032230,2sleep12606-21latency_hist07:40:001
175872230,3sleep20-21swapper/210:38:082
2142899226,6cyclictest17206-21sshd10:05:201
161632220,0sleep00-21swapper/009:17:150
264972210,0sleep30-21swapper/310:06:193
225922210,0sleep20-21swapper/211:41:442
2142899212,2cyclictest0-21swapper/111:57:371
297372200,18sleep3144650irq/27-eth011:09:323
2143199203,16cyclictest33-21ksoftirqd/209:23:372
2142899208,5cyclictest22-21ksoftirqd/111:24:561
2142899208,2cyclictest22-21ksoftirqd/109:46:251
2142899207,10cyclictest22-21ksoftirqd/112:36:421
2142899204,6cyclictest9774-21sshd10:49:331
274442190,1sleep027440-21sshd11:24:180
225402190,2sleep02142399cyclictest12:08:390
2142899197,4cyclictest22-21ksoftirqd/111:39:181
2142899197,3cyclictest0-21swapper/111:41:391
2142899195,8cyclictest22-21ksoftirqd/112:07:351
2142899195,8cyclictest22-21ksoftirqd/111:46:421
2142899194,6cyclictest0-21swapper/109:53:271
2142899194,1cyclictest22-21ksoftirqd/110:54:131
2142899191,9cyclictest0-21swapper/110:14:151
21428991911,2cyclictest22-21ksoftirqd/111:17:531
2142899190,5cyclictest144650irq/27-eth010:44:401
2142899190,14cyclictest0-21swapper/111:53:161
2142399196,12cyclictest0-21swapper/009:44:240
10532190,17sleep3144650irq/27-eth011:47:153
82332180,16sleep1144650irq/27-eth012:21:351
245772180,0sleep124575-21sshd12:19:541
2143299183,9cyclictest2762-21diskstats09:50:113
2142899188,2cyclictest22-21ksoftirqd/111:05:221
2142899186,5cyclictest23693-21bash10:38:561
2142899184,10cyclictest22-21ksoftirqd/111:12:271
2142899183,8cyclictest0-21swapper/109:56:501
2142899183,5cyclictest3971-21sshd09:40:051
21428991810,2cyclictest22-21ksoftirqd/109:38:231
2142899180,16cyclictest22-21ksoftirqd/112:25:201
12022180,16sleep3144650irq/27-eth012:17:203
318922170,15sleep3144650irq/27-eth011:17:303
2143299178,5cyclictest16837-21sshd10:19:593
2143299172,13cyclictest22962-21sshd09:24:483
2143299170,5cyclictest31404-21sshd10:44:033
2143299170,15cyclictest0-21swapper/310:34:093
2143299170,15cyclictest0-21swapper/310:14:433
2143199175,11cyclictest6696-21sshd10:45:002
2143199172,5cyclictest153250irq/28-eth1-rx-11:23:482
21431991713,3cyclictest8389-21bash10:00:572
21431991713,3cyclictest30589-21sshd09:15:202
2143199170,3cyclictest900-21sshd11:32:192
2142899177,6cyclictest22-21ksoftirqd/109:13:591
2142899176,2cyclictest144650irq/27-eth012:33:521
2142399174,12cyclictest3-21ksoftirqd/009:11:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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