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2026-03-18 - 20:50
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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 Wed Mar 18, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4981210835,45sleep10-21swapper/107:09:451
2215621060,1sleep122155-21sshd12:11:411
251702980,2sleep225171-21sshd09:30:162
175832910,3sleep20-21swapper/211:20:412
110112890,2sleep30-21swapper/310:55:453
277372880,3sleep20-21swapper/210:27:592
324162870,1sleep032417-21sshd11:15:210
108602860,3sleep30-21swapper/310:40:513
108602860,3sleep30-21swapper/310:40:503
178962850,2sleep00-21swapper/011:00:030
12742850,2sleep10-21swapper/111:42:191
497828434,46sleep30-21swapper/307:09:433
319592820,3sleep231955-21bash11:08:222
128392820,3sleep30-21swapper/312:22:253
251732810,2sleep20-21swapper/211:14:442
18292810,2sleep10-21swapper/111:08:381
281542800,1sleep10-21swapper/112:31:201
147242800,2sleep10-21swapper/110:49:181
256552790,2sleep325653-21sshd09:41:483
25592790,2sleep30-21swapper/311:34:373
124842790,2sleep20-21swapper/209:28:482
151252780,1sleep015122-21sshd10:15:030
119172760,0sleep00-21swapper/009:32:350
65742750,0sleep041ktimersoftd/010:10:260
22042740,5sleep30-21swapper/311:08:403
206432740,2sleep30-21swapper/312:37:363
479827333,11sleep20-21swapper/207:07:372
265392720,4sleep2526199cyclictest10:02:222
267082700,1sleep10-21swapper/110:12:391
166152700,1sleep30-21swapper/309:22:203
154982690,0sleep00-21swapper/011:32:050
160642680,4sleep1526099cyclictest09:18:571
192332620,4sleep2526199cyclictest12:15:192
117002610,3sleep30-21swapper/309:36:233
473725734,11sleep00-21swapper/007:06:510
253302341,31sleep1144650irq/27-eth009:41:471
41392312,27sleep3144650irq/27-eth009:46:213
31112290,26sleep3144650irq/27-eth009:14:163
101822280,3sleep10-21swapper/110:55:391
165062270,3sleep316505-21sshd12:30:113
326012260,2sleep22024-21nfsd12:35:192
173952260,3sleep10-21swapper/110:37:451
526299250,23cyclictest3167-21sshd11:15:413
526299250,11cyclictest12279-21ipmitool08:35:143
136112250,2sleep0525999cyclictest11:58:460
525999240,1cyclictest2132-21sshd09:28:030
45322240,3sleep30-21swapper/310:25:243
306422240,2sleep130632-21sshd11:37:581
211222242,20sleep328950irq/26-ahci[00011:00:193
103372240,1sleep00-21swapper/009:50:220
196692232,19sleep1144650irq/27-eth010:08:311
525999220,13cyclictest32543-21sshd12:13:020
207012220,2sleep10-21swapper/111:10:381
117812220,1sleep10-21swapper/111:27:421
63252210,19sleep3144650irq/27-eth009:31:553
58512210,2sleep10-21swapper/111:54:221
525999214,9cyclictest0-21swapper/010:43:050
525999214,9cyclictest0-21swapper/010:43:040
525999210,13cyclictest0-21swapper/011:50:550
525999210,11cyclictest0-21swapper/009:46:490
315752210,18sleep3144650irq/27-eth011:22:153
285332210,1sleep20-21swapper/209:42:072
66002200,3sleep10-21swapper/109:31:561
525999200,13cyclictest0-21swapper/012:03:090
200872200,3sleep20-21swapper/210:11:562
186282200,18sleep1144650irq/27-eth009:37:181
115042200,18sleep1144650irq/27-eth012:25:411
85232190,2sleep28505-21sshd12:25:212
526199193,15cyclictest0-21swapper/210:52:352
5259991914,4cyclictest0-21swapper/012:28:170
525999190,12cyclictest0-21swapper/009:13:360
35242190,2sleep30-21swapper/311:26:393
5261991813,4cyclictest2024-21nfsd12:08:462
5260991810,4cyclictest10950irq/23-ehci_hcd11:45:541
526099180,13cyclictest0-21swapper/112:04:271
526099180,11cyclictest22641-21sshd10:50:131
4012180,16sleep1144650irq/27-eth011:01:341
317602180,0sleep331759-21bash09:59:353
5262991714,2cyclictest0-21swapper/310:39:483
526299170,15cyclictest17785-21sshd11:13:553
526299170,15cyclictest0-21swapper/312:00:093
526299170,12cyclictest23851-21sshd10:15:583
526199176,4cyclictest10950irq/23-ehci_hcd09:17:372
525999170,16cyclictest0-21swapper/012:33:480
177322170,15sleep310950irq/23-ehci_hcd12:26:233
87642160,2sleep0525999cyclictest09:21:290
526299167,8cyclictest144650irq/27-eth010:21:203
526299166,3cyclictest13808-21sshd10:07:523
5262991612,3cyclictest31410-21cp10:51:043
526299160,4cyclictest8369-21sshd10:14:153
526299160,14cyclictest0-21swapper/309:05:123
526299160,13cyclictest2024-21nfsd12:15:033
526299160,11cyclictest13752-21sshd11:39:573
526199168,7cyclictest0-21swapper/212:01:372
526199164,10cyclictest18648-21df_inode08:50:122
526199161,13cyclictest0-21swapper/209:12:582
5261991610,5cyclictest19350-21sshd12:23:092
526099168,4cyclictest23744-21sshd10:23:571
526099168,3cyclictest0-21swapper/110:27:231
526099167,4cyclictest28080-21id12:24:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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