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2026-09-11 - 15:05
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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 Sep 11, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2063021500,0sleep020617-21sshd12:24:590
457321370,0sleep04565-21sshd09:54:190
1676921340,2sleep03074899cyclictest11:02:560
290121290,1sleep32884-21sshd10:44:113
216721260,2sleep12159-21sshd11:01:331
1022921230,2sleep041ktimersoftd/012:12:210
373121120,0sleep13732-21sshd09:51:071
397121080,2sleep13969-21sshd09:19:491
2920621050,5sleep13074999cyclictest10:02:171
3239021030,2sleep00-21swapper/009:19:270
30376210033,55sleep10-21swapper/107:08:331
45622990,2sleep10-21swapper/110:50:181
96132910,2sleep19609-21sshd11:46:141
90902890,3sleep20-21swapper/211:28:472
66842880,1sleep00-21swapper/010:20:240
208542880,2sleep20-21swapper/211:14:562
158182880,2sleep20-21swapper/211:49:432
155232880,2sleep115521-21sshd11:20:201
59512870,3sleep30-21swapper/309:11:293
226992870,0sleep00-21swapper/011:06:240
3027828325,46sleep30-21swapper/307:07:293
65082820,3sleep30-21swapper/312:26:323
23722820,0sleep00-21swapper/010:02:470
126982820,1sleep20-21swapper/211:34:562
71632810,3sleep30-21swapper/310:03:143
37582810,2sleep33754-21sshd11:01:433
260192800,1sleep126014-21sshd10:28:141
199962800,0sleep00-21swapper/010:39:430
133062800,3sleep10-21swapper/111:26:011
253302780,2sleep225332-21sshd09:18:502
178052780,3sleep20-21swapper/209:12:332
172602780,3sleep03074899cyclictest11:40:590
211422770,1sleep021143-21bash09:21:120
103962770,3sleep10-21swapper/110:06:261
33172760,0sleep23314-21bash12:05:502
33172760,0sleep23314-21bash12:05:502
3029727634,38sleep20-21swapper/207:07:452
302482760,2sleep230247-21bash11:36:242
64972750,3sleep23075099cyclictest12:29:302
66062740,2sleep03074899cyclictest11:22:280
164782740,4sleep33075199cyclictest10:54:133
231432730,1sleep123142-21bash10:45:581
15572720,2sleep10-21swapper/110:11:191
32082710,4sleep33075199cyclictest09:36:493
18822710,3sleep23075099cyclictest12:23:172
120872710,2sleep32512-21runrttasks12:21:143
313952680,2sleep231391-21sshd11:18:542
254802680,3sleep33075199cyclictest10:49:163
256162660,3sleep03074899cyclictest09:41:350
182842660,3sleep23075099cyclictest10:04:192
3013225833,22sleep00-21swapper/007:05:390
295292510,0sleep029527-21bash10:58:110
25562420,2sleep32553-21sshd11:39:473
197482390,37sleep2144650irq/27-eth011:41:152
255752360,33sleep1144650irq/27-eth012:16:411
8262350,2sleep041ktimersoftd/009:13:540
19012350,33sleep3144650irq/27-eth012:11:373
251032330,1sleep225101-21sshd12:16:372
239192320,2sleep123917-21sshd10:16:161
182422310,1sleep018224-21sshd10:18:390
80572300,27sleep2144650irq/27-eth009:20:102
200162300,2sleep220012-21sshd11:50:072
146012307,21sleep1144650irq/27-eth010:24:091
140782280,26sleep128950irq/26-ahci[00012:06:501
140782280,26sleep128950irq/26-ahci[00012:06:501
86882270,5sleep10-21swapper/110:35:321
66432270,2sleep30-21swapper/311:31:293
48212270,2sleep24825-21bash10:11:352
264262270,1sleep00-21swapper/010:46:170
98932260,2sleep122-21ksoftirqd/110:59:201
3075199260,24cyclictest30107-21bash10:08:113
292052260,2sleep20-21swapper/210:08:072
279992260,4sleep33075199cyclictest10:16:383
160382260,24sleep1144650irq/27-eth009:12:241
87142250,23sleep128950irq/26-ahci[00011:13:521
239212250,2sleep30-21swapper/309:21:263
152172250,2sleep215218-21sshd10:15:292
3075099246,3cyclictest24587-21sshd10:43:082
149952240,1sleep30-21swapper/312:01:063
148092243,19sleep1144650irq/27-eth012:33:071
284932230,3sleep12023-21nfsd11:33:271
165772230,2sleep10-21swapper/110:33:231
7752220,20sleep1144650irq/27-eth009:42:191
321882220,3sleep13074999cyclictest09:56:431
30751992210,3cyclictest144650irq/27-eth012:05:393
30751992210,3cyclictest144650irq/27-eth012:05:393
3075099223,9cyclictest24924-21sshd10:54:582
224982220,2sleep222495-21sshd12:39:492
194332220,20sleep3144650irq/27-eth012:30:343
173482220,2sleep08-21rcu_preempt11:11:410
161202220,20sleep1144650irq/27-eth009:20:461
103042220,1sleep00-21swapper/012:26:530
3075099213,9cyclictest15452-21bash11:02:482
3075099210,18cyclictest33-21ksoftirqd/210:26:132
312502200,15sleep3144650irq/27-eth009:25:013
311792200,18sleep1144650irq/27-eth012:14:151
3075199208,3cyclictest144650irq/27-eth009:45:203
3075099206,3cyclictest21874-21bash12:01:442
30750992014,4cyclictest19866-21bash10:33:412
3075199198,6cyclictest0-21swapper/311:10:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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