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2026-04-08 - 10:22
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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 Apr 08, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2534721270,4sleep31817399cyclictest21:32:403
2302821270,2sleep20-21swapper/221:29:042
2048521120,2sleep220479-21sshd23:39:552
2337421110,3sleep31817399cyclictest23:59:153
1735521110,2sleep217345-21sshd22:23:322
1768929732,44sleep30-21swapper/319:07:103
52862890,2sleep30-21swapper/322:22:143
186202890,2sleep318619-21bash22:27:033
17702890,1sleep010-21rcuc/021:50:370
188502880,1sleep018852-21bash23:18:490
79062860,2sleep30-21swapper/322:36:093
19932850,1sleep041ktimersoftd/019:45:120
35652840,2sleep20-21swapper/221:23:342
8572830,2sleep10-21swapper/120:55:001
300772830,0sleep00-21swapper/021:29:490
191522830,1sleep10-21swapper/100:39:301
133502830,2sleep113349-21bash22:09:301
1784128132,45sleep10-21swapper/119:09:051
300832800,2sleep01815999cyclictest22:42:310
118522780,3sleep20-21swapper/223:57:472
39142760,2sleep13899-21sshd22:18:431
241572760,3sleep20-21swapper/222:41:452
306622750,1sleep30-21swapper/319:35:183
8492740,1sleep0847-21sshd23:24:020
1776327433,12sleep20-21swapper/219:08:052
36402730,0sleep10-21swapper/122:54:541
276412730,2sleep20-21swapper/222:53:592
265732730,2sleep20-21swapper/200:36:422
12762730,1sleep01815999cyclictest22:04:440
305192720,3sleep31817399cyclictest21:26:203
117312720,2sleep311728-21sshd23:10:353
309252700,1sleep10-21swapper/100:33:241
158342700,4sleep31817399cyclictest21:48:483
256122690,3sleep21816899cyclictest22:10:392
245462680,2sleep22066-21nscd22:27:422
187102660,4sleep11816499cyclictest00:24:501
125382660,2sleep212535-21sshd23:46:402
7682640,2sleep30-21swapper/300:37:263
295462580,1sleep30-21swapper/300:10:373
1776625832,14sleep00-21swapper/019:08:070
156902540,0sleep215692-21id23:51:022
227802290,4sleep21816899cyclictest21:39:172
201092282,24sleep1144650irq/27-eth022:41:121
93722270,1sleep19333-21switchtime22:55:221
186222270,25sleep1144650irq/27-eth000:09:371
157292260,1sleep08-21rcu_preempt21:38:300
1817399250,23cyclictest23476-21bash21:11:323
95692240,3sleep21816899cyclictest21:48:062
7572240,0sleep00-21swapper/021:19:560
266932240,2sleep226682-21sshd22:46:052
252662240,22sleep1144650irq/27-eth000:14:221
178662230,2sleep12512-21runrttasks22:02:441
172092230,1sleep010-21rcuc/000:17:050
316622220,2sleep32024-21nfsd23:37:363
192382220,2sleep219233-21sshd00:05:492
122442220,20sleep1144650irq/27-eth000:01:401
39392210,2sleep10-21swapper/123:56:451
239992210,18sleep1144650irq/27-eth022:37:561
183582210,1sleep041ktimersoftd/022:16:460
49352201,17sleep1144650irq/27-eth023:09:581
42852200,3sleep20-21swapper/219:50:122
295042200,3sleep21816899cyclictest23:27:022
275462200,18sleep3144650irq/27-eth000:21:453
216122190,17sleep1144650irq/27-eth022:45:251
1816899192,15cyclictest25106-21sshd00:21:242
1816499190,11cyclictest5287-21latency_hist23:50:001
18159991912,2cyclictest9388-21sshd22:48:020
1816899186,11cyclictest0-21swapper/200:14:082
1816899183,3cyclictest21819-21sshd00:28:412
1816899182,10cyclictest25368-21sshd21:32:412
1816499182,7cyclictest4015-21sshd21:26:581
323142170,15sleep228950irq/26-ahci[00000:03:532
244532170,15sleep1144650irq/27-eth021:39:291
234712170,2sleep20-21swapper/223:33:182
18173991713,2cyclictest0-21swapper/322:31:223
1817399170,12cyclictest2132-21sshd00:30:053
1816899174,12cyclictest21649-21kworker/2:122:55:152
1816899172,10cyclictest3668-21sshd21:40:332
1816899171,15cyclictest33-21ksoftirqd/223:06:192
1816899171,15cyclictest28919-21sshd00:33:092
1816499170,15cyclictest0-21swapper/122:28:331
1816499170,15cyclictest0-21swapper/100:15:571
1815999170,16cyclictest0-21swapper/023:45:430
1815999170,15cyclictest0-21swapper/000:35:240
174832170,0sleep00-21swapper/023:29:150
292502160,14sleep1144650irq/27-eth023:52:331
1817399168,4cyclictest2023-21nfsd21:16:253
1817399162,10cyclictest2833-21sshd23:20:403
18173991610,1cyclictest2476-21sshd22:51:123
1817399160,4cyclictest5796-21sshd00:08:073
1817399160,15cyclictest0-21swapper/320:23:073
1817399160,14cyclictest29146-21rm22:00:223
1817399160,12cyclictest21240-21sshd23:00:363
1817399160,12cyclictest21240-21sshd23:00:363
1817399160,12cyclictest20697-21sshd21:42:253
1817399160,11cyclictest28400-21bash22:14:293
1816899166,9cyclictest10071-21sshd23:42:172
18168991613,2cyclictest8475-21sshd23:13:502
18168991613,2cyclictest32295-21sshd21:12:362
1816899161,10cyclictest31614-21sshd22:18:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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