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2026-08-21 - 15:15
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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 Aug 21, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2605721300,0sleep326037-21sshd09:49:143
1636521260,3sleep01369599cyclictest10:51:070
1979621240,4sleep11369699cyclictest10:37:211
1431621240,2sleep114315-21sshd11:49:231
1422721130,2sleep114210-21sshd12:32:271
3201021030,0sleep10-21swapper/111:36:161
1339429832,62sleep30-21swapper/307:09:313
21742970,1sleep00-21swapper/009:15:280
126452940,2sleep31369899cyclictest09:30:333
219732930,1sleep10-21swapper/112:01:331
286062920,2sleep20-21swapper/210:18:012
250702900,4sleep00-21swapper/010:11:580
163982890,2sleep221208-21nscd12:12:362
79502880,1sleep07953-21awk09:10:190
312152880,1sleep031217-21bash09:23:460
182562880,2sleep10-21swapper/110:22:451
1322828832,44sleep10-21swapper/107:07:381
49162870,2sleep10-21swapper/111:16:241
200382870,2sleep08-21rcu_preempt10:40:130
197132870,1sleep019711-21sshd10:34:320
153272870,2sleep315277-21sshd09:25:133
264912860,2sleep041ktimersoftd/011:30:100
258172840,2sleep225812-21sshd09:20:232
200882840,2sleep10-21swapper/111:58:361
18822840,1sleep11881-21sshd12:37:091
105232840,2sleep22024-21nfsd11:02:232
6402830,2sleep1639-21munin-node11:10:141
42342830,0sleep00-21swapper/009:50:100
325022830,2sleep132503-21bash09:55:211
290262820,2sleep229025-21sshd11:12:452
317602810,1sleep10-21swapper/109:41:131
117072810,2sleep211695-21sshd10:59:422
48562790,2sleep24846-21sshd11:07:472
250192790,3sleep20-21swapper/211:15:172
194182780,1sleep10-21swapper/110:02:541
97852770,1sleep19784-21sshd09:36:141
43462770,1sleep10-21swapper/110:44:291
201592770,1sleep30-21swapper/312:35:493
193742770,2sleep319361-21sshd10:22:523
15772770,2sleep30-21swapper/309:24:003
1316027732,11sleep20-21swapper/207:06:472
109742770,2sleep110969-21bash12:20:381
55442760,1sleep25546-21id11:57:172
109892760,1sleep20-21swapper/211:51:522
68332750,1sleep01369599cyclictest10:21:450
40252750,4sleep21369799cyclictest09:15:382
78502740,3sleep37839-21sshd11:05:123
12352720,2sleep31232-21sshd10:01:083
119522710,0sleep00-21swapper/012:09:210
84382700,2sleep10-21swapper/109:47:391
274792680,2sleep227467-21sshd09:29:082
220662670,3sleep20-21swapper/209:11:342
1319725932,15sleep00-21swapper/007:07:120
78402510,2sleep17835-21cp12:26:061
300382500,0sleep030036-21id10:29:340
281722450,2sleep00-21swapper/012:30:450
25202360,0sleep00-21swapper/009:38:360
299732300,6sleep30-21swapper/311:56:343
288882290,0sleep00-21swapper/012:19:270
285872290,4sleep20-21swapper/211:24:432
125262290,3sleep10-21swapper/109:24:581
134182280,3sleep30-21swapper/310:28:043
65162270,3sleep36517-21sshd12:17:263
281702270,4sleep11369699cyclictest09:35:001
246782270,2sleep224670-21sshd11:38:382
198722270,3sleep20-21swapper/210:54:292
1369899270,4cyclictest26496-21sshd10:46:223
1369899270,4cyclictest26496-21sshd10:46:213
229812260,3sleep322960-21sshd11:15:103
178732261,23sleep3144650irq/27-eth009:37:003
1369899260,24cyclictest3284-21rm10:58:573
1369799262,21cyclictest26851-21sshd11:44:472
262952250,2sleep20-21swapper/212:16:182
213082250,2sleep221262-21sshd11:50:002
183932251,22sleep1144650irq/27-eth011:00:141
1369799255,13cyclictest22816-21sshd09:37:272
1369799250,17cyclictest13290-21sshd09:42:292
77422240,2sleep30-21swapper/310:50:223
14942240,1sleep10-21swapper/112:14:111
1369799246,4cyclictest24025-21bash09:54:442
58672230,1sleep03-21ksoftirqd/011:13:350
237802230,1sleep323776-21sshd12:01:433
201742230,21sleep3144650irq/27-eth009:54:233
1369899230,14cyclictest2066-21nscd12:07:063
1369799236,9cyclictest2132-21sshd09:45:232
135612230,2sleep20-21swapper/210:08:132
91702220,2sleep19167-21sshd09:53:241
7242220,2sleep2723-21sshd12:02:342
221452220,1sleep20-21swapper/210:34:462
190672220,20sleep2144650irq/27-eth010:48:372
190672220,20sleep2144650irq/27-eth010:48:362
281992210,2sleep30-21swapper/307:40:153
221092210,2sleep10-21swapper/111:32:351
156752210,4sleep10-21swapper/110:34:081
1369899210,13cyclictest27186-21sshd10:43:403
321602200,18sleep3144650irq/27-eth011:01:243
1369899208,4cyclictest0-21swapper/311:50:113
1369899207,11cyclictest18512-21rm10:14:183
1369899202,9cyclictest25891-21bash11:41:343
103162200,1sleep010314-21sed09:30:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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