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2026-07-23 - 09:35
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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 Thu Jul 23, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1491521480,0sleep314912-21cp23:52:583
1578321360,3sleep00-21swapper/019:05:110
1682121350,3sleep216820-21sshd22:08:082
2998121320,2sleep129966-21sshd23:22:011
2994521320,6sleep31776899cyclictest00:26:403
3261521210,4sleep31776899cyclictest21:20:283
1320521120,3sleep11776699cyclictest23:14:401
2015821110,3sleep11776699cyclictest22:37:091
17322210532,44sleep30-21swapper/319:07:473
2124121010,2sleep10-21swapper/123:47:471
36972930,2sleep33691-21sshd21:46:493
206772920,5sleep10-21swapper/100:17:081
167852910,1sleep00-21swapper/021:42:210
105652900,2sleep30-21swapper/300:30:533
8792890,0sleep041ktimersoftd/022:44:210
71042880,0sleep00-21swapper/023:49:250
15282880,3sleep30-21swapper/323:19:273
303402870,0sleep00-21swapper/023:16:110
177742870,2sleep217751-21sshd21:24:562
1725728732,11sleep20-21swapper/219:06:582
1724628733,50sleep10-21swapper/119:06:491
163042870,3sleep01776599cyclictest22:28:100
101732870,2sleep310170-21bash23:43:483
85212860,1sleep30-21swapper/323:31:413
223082860,1sleep20-21swapper/223:30:092
184702860,2sleep20-21swapper/200:10:592
180552860,1sleep318043-21sshd22:19:523
37202850,2sleep325-21rcuop/122:24:163
200252850,2sleep10-21swapper/121:42:391
61482820,0sleep00-21swapper/023:28:420
58262820,2sleep20-21swapper/221:35:422
323172820,2sleep10-21swapper/122:47:151
235532820,1sleep023550-21bash22:52:150
147792820,3sleep01776599cyclictest21:53:280
79302810,4sleep30-21swapper/322:56:383
241272810,0sleep124119-21sshd21:25:231
26562790,2sleep20-21swapper/223:25:242
196752790,1sleep30-21swapper/321:19:283
191632790,2sleep119159-21sshd22:19:581
256282780,4sleep21776799cyclictest22:29:002
168372780,2sleep30-21swapper/321:10:433
65612770,4sleep21776799cyclictest21:12:422
137752770,3sleep20-21swapper/223:17:372
29472760,74sleep128950irq/26-ahci[00022:29:531
293942750,3sleep20-21swapper/200:29:442
45952740,1sleep20-21swapper/222:32:532
114562740,1sleep211453-21sshd23:08:402
286002720,2sleep30-21swapper/300:23:403
286002720,2sleep30-21swapper/300:23:403
317872710,2sleep331788-21bash23:40:003
265992710,2sleep01776599cyclictest21:45:580
191472710,2sleep119146-21sshd22:22:461
82612680,2sleep20-21swapper/221:44:282
103172390,2sleep30-21swapper/323:58:193
142652360,2sleep10-21swapper/123:50:031
105742350,0sleep00-21swapper/000:33:510
309602290,2sleep20-21swapper/222:15:182
287652290,27sleep2144650irq/27-eth022:55:352
25902290,27sleep2144650irq/27-eth021:55:152
280552280,2sleep10-21swapper/122:05:551
17767992815,11cyclictest13195-21sshd23:44:042
274612270,25sleep3144650irq/27-eth022:46:513
253802270,2sleep20-21swapper/222:23:192
241822260,2sleep124183-21bash23:30:161
137712260,24sleep3144650irq/27-eth022:07:503
295622250,2sleep30-21swapper/300:05:563
196322250,2sleep20-21swapper/200:34:452
17766992520,4cyclictest2066-21nscd23:40:511
106352250,22sleep2144650irq/27-eth000:22:032
106352250,22sleep2144650irq/27-eth000:22:032
291032240,2sleep30-21swapper/323:13:023
144782241,21sleep3144650irq/27-eth022:13:553
194482230,2sleep20-21swapper/221:16:342
1776799234,12cyclictest28758-21sshd00:05:522
1776799231,1cyclictest28916-21sshd23:04:262
17767992310,3cyclictest0-21swapper/223:56:422
1776799230,13cyclictest0-21swapper/221:30:122
91752220,20sleep3144650irq/27-eth023:49:373
323952220,2sleep10-21swapper/123:04:471
197772220,2sleep00-21swapper/023:41:450
1776799227,8cyclictest2023-21nfsd23:11:272
1776699220,14cyclictest15517-21sshd21:39:281
158332220,2sleep315771-21sshd00:37:143
17767992111,1cyclictest0-21swapper/220:15:542
131542210,1sleep313150-21sshd22:27:533
220342200,1sleep00-21swapper/022:58:000
1776799204,4cyclictest2024-21nfsd22:48:562
78342190,2sleep17833-21sshd23:28:501
70552190,17sleep3144650irq/27-eth021:52:473
17767991911,6cyclictest9706-21sshd00:39:372
1776699190,5cyclictest0-21swapper/122:10:401
17765991911,5cyclictest0-21swapper/021:55:180
317022180,16sleep1144650irq/27-eth000:30:001
204672180,2sleep30-21swapper/322:37:113
198322180,16sleep1144650irq/27-eth021:48:171
1776899188,5cyclictest20241-21sshd23:03:393
1776799183,8cyclictest21075-21sshd22:43:122
1776799183,14cyclictest144650irq/27-eth022:02:282
1776799182,10cyclictest144650irq/27-eth021:52:122
1776799180,16cyclictest30710-21sshd23:39:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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