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2026-05-09 - 02:30
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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 rack3slot0.osadl.org (updated Sat May 09, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1900921000,2sleep4220999cyclictest21:10:044
74402580,0sleep0218199cyclictest21:48:050
265332580,1sleep026534-21sshd21:16:490
35692570,2sleep5221499cyclictest21:15:265
67752510,0sleep20-21swapper/223:26:102
258032510,0sleep60-21swapper/622:12:056
115432510,1sleep011541-21grepconf.sh22:43:550
299062490,6sleep685150irq/25-em1-rx-000:21:246
114152490,0sleep20-21swapper/222:17:062
142102480,0sleep40-21swapper/421:57:544
142102480,0sleep40-21swapper/421:57:544
39132460,1sleep03893-21sshd00:25:350
251792460,0sleep50-21swapper/523:50:245
230332460,0sleep00-21swapper/022:54:200
207422460,0sleep10-21swapper/121:52:381
207012460,0sleep40-21swapper/422:11:474
149172460,0sleep40-21swapper/422:49:444
57142450,0sleep70-21swapper/700:00:517
224082450,0sleep10-21swapper/121:58:231
224082450,0sleep10-21swapper/121:58:231
191432450,0sleep10-21swapper/100:34:091
179792450,1sleep617956-21bash23:11:166
208432440,0sleep20-21swapper/222:31:002
136282440,1sleep125-21ksoftirqd/119:29:201
33622430,0sleep50-21swapper/522:54:575
290712430,0sleep50-21swapper/523:35:265
229892430,1sleep422985-21bash23:00:014
187562430,1sleep518745-21sshd22:11:405
118232430,0sleep711802-21sshd23:07:097
59212420,0sleep00-21swapper/023:14:310
83412410,0sleep50-21swapper/522:03:235
200124128,9sleep00-21swapper/019:08:540
200124128,9sleep00-21swapper/019:08:540
199812410,0sleep00-21swapper/021:10:080
181724129,9sleep40-21swapper/419:06:424
181724129,9sleep40-21swapper/419:06:424
13982410,0sleep20-21swapper/223:06:322
275162400,0sleep40-21swapper/423:52:314
254912400,0sleep50-21swapper/522:25:265
232622400,1sleep023261-21grepconf.sh23:31:130
187024027,9sleep30-21swapper/319:07:133
187024027,9sleep30-21swapper/319:07:133
173672400,0sleep70-21swapper/700:30:067
173124028,8sleep20-21swapper/219:05:362
173124028,8sleep20-21swapper/219:05:362
170524028,8sleep70-21swapper/719:05:177
170524028,8sleep70-21swapper/719:05:177
3192823927,8sleep50-21swapper/519:04:275
3192823927,8sleep50-21swapper/519:04:275
208042390,0sleep00-21swapper/022:07:590
185423927,9sleep60-21swapper/619:07:006
185423927,9sleep60-21swapper/619:07:006
158352390,0sleep60-21swapper/623:05:246
321982380,0sleep60-21swapper/622:33:366
169923827,8sleep10-21swapper/119:05:111
169923827,8sleep10-21swapper/119:05:111
161542370,2sleep6221999cyclictest22:57:396
62612330,0sleep70-21swapper/723:59:077
45432310,0sleep20-21swapper/223:18:172
14822310,0sleep5561ktimersoftd/521:30:405
218499228,1cyclictest25-21ksoftirqd/122:40:031
218499226,3cyclictest25-21ksoftirqd/121:35:211
38052200,2sleep5221499cyclictest21:38:245
251612190,0sleep4471rcuc/400:26:514
218499197,2cyclictest25-21ksoftirqd/121:15:291
2184991916,1cyclictest25-21ksoftirqd/123:42:551
2184991915,3cyclictest25-21ksoftirqd/122:03:271
2184991915,1cyclictest25-21ksoftirqd/123:13:531
2184991914,3cyclictest25-21ksoftirqd/100:38:371
2184991914,3cyclictest25-21ksoftirqd/100:11:241
2184991913,4cyclictest25-21ksoftirqd/100:05:231
2184991911,3cyclictest25-21ksoftirqd/100:00:111
2219991813,1cyclictest65-21ksoftirqd/623:00:116
2202991816,1cyclictest41-21ksoftirqd/300:04:213
218499185,1cyclictest25-21ksoftirqd/122:54:411
218499185,1cyclictest121rcu_preempt22:44:311
218499183,3cyclictest25-21ksoftirqd/100:17:291
2184991816,1cyclictest464-21systemd-journal23:34:011
2184991816,1cyclictest25-21ksoftirqd/123:51:221
2184991816,1cyclictest25-21ksoftirqd/122:23:291
2184991816,1cyclictest25-21ksoftirqd/121:29:121
2184991815,2cyclictest464-21systemd-journal21:20:301
2184991814,3cyclictest25-21ksoftirqd/123:58:281
2184991814,3cyclictest25-21ksoftirqd/122:16:021
2184991813,3cyclictest464-21systemd-journal00:23:091
2184991813,3cyclictest25-21ksoftirqd/122:29:531
2184991813,3cyclictest25-21ksoftirqd/122:27:411
2184991810,4cyclictest25-21ksoftirqd/122:49:441
218499180,3cyclictest14151-21sshd22:34:271
2202991715,2cyclictest41-21ksoftirqd/323:58:253
2202991715,1cyclictest41-21ksoftirqd/322:28:353
2202991713,1cyclictest41-21ksoftirqd/322:23:543
218499177,2cyclictest25-21ksoftirqd/122:09:341
218499177,1cyclictest25-21ksoftirqd/121:46:001
218499175,3cyclictest25-21ksoftirqd/121:42:291
218499172,1cyclictest25-21ksoftirqd/123:36:301
2184991715,1cyclictest25-21ksoftirqd/123:48:371
2184991715,1cyclictest25-21ksoftirqd/123:00:131
2184991715,1cyclictest25-21ksoftirqd/121:12:481
2219991614,1cyclictest65-21ksoftirqd/623:20:146
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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