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2026-09-06 - 06:34
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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 Sun Sep 06, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209221460,2sleep12512-21runrttasks23:36:591
2582021430,2sleep325819-21bash21:10:053
2505221430,0sleep025051-21sshd00:05:000
2505221430,0sleep025051-21sshd00:05:000
253321390,3sleep0269399cyclictest22:06:520
1338321370,0sleep213384-21bash21:56:122
463121360,4sleep0269399cyclictest21:40:440
1559021350,3sleep0269399cyclictest23:32:180
929221310,0sleep19294-21id00:26:411
2933821310,4sleep2270299cyclictest22:40:492
2145210232,42sleep30-21swapper/319:06:213
179021020,2sleep20-21swapper/221:13:362
68702980,3sleep3270599cyclictest22:53:333
210672960,2sleep120927-21sshd22:05:371
163952960,2sleep316397-21id00:33:083
326112930,1sleep10-21swapper/122:49:541
235129333,40sleep10-21swapper/119:08:391
231412930,1sleep30-21swapper/322:00:143
60072920,2sleep35970-21sshd21:58:393
310922920,5sleep00-21swapper/023:59:420
174982920,2sleep10-21swapper/121:15:001
224332890,0sleep222430-21sshd00:33:432
191352880,4sleep0269399cyclictest22:57:420
151412880,2sleep30-21swapper/322:08:003
185952870,2sleep218593-21sshd22:48:342
284562860,3sleep20-21swapper/222:55:292
167692860,0sleep00-21swapper/023:38:190
145642860,2sleep20-21swapper/200:15:282
89762840,0sleep00-21swapper/000:15:060
70842840,1sleep10-21swapper/122:18:441
106772830,2sleep110670-21sshd23:43:331
47912820,2sleep14790-21sshd22:38:451
190802820,2sleep1422-21jbd2/dm-0-823:58:361
286002810,1sleep028602-21bash23:13:220
251392810,1sleep30-21swapper/322:34:533
6462780,2sleep2644-21bash00:20:092
324832770,2sleep332463-21sshd00:28:473
300962770,0sleep00-21swapper/023:04:390
211022770,4sleep2270299cyclictest21:27:152
178232770,1sleep20-21swapper/223:55:322
34062760,4sleep1269699cyclictest21:34:431
245162760,3sleep2270299cyclictest23:39:002
19742760,0sleep00-21swapper/023:19:350
53912750,1sleep00-21swapper/000:29:160
31672730,0sleep00-21swapper/022:50:090
237227332,12sleep20-21swapper/219:08:572
30052720,1sleep13004-21sshd21:25:301
48252710,1sleep08-21rcu_preempt21:37:470
189032710,1sleep32024-21nfsd23:29:473
230382700,0sleep223037-21bash21:18:252
98512670,2sleep2270299cyclictest00:03:372
98512670,2sleep2270299cyclictest00:03:362
206822640,3sleep3270599cyclictest21:39:183
318182560,0sleep031819-21sshd22:38:140
154802560,2sleep10-21swapper/121:53:311
231524834,11sleep00-21swapper/019:08:110
275012350,3sleep20-21swapper/222:11:512
293702340,0sleep00-21swapper/022:20:360
255732300,2sleep325572-21sshd23:47:433
154902300,2sleep32512-21runrttasks22:25:233
253982280,2sleep125394-21sshd00:13:341
92182270,2sleep20-21swapper/223:23:022
221242270,1sleep022119-21sshd00:24:550
78342260,2sleep1211ktimersoftd/122:21:401
110982260,3sleep1269699cyclictest21:41:211
84602250,2sleep10-21swapper/122:41:531
312352240,2sleep10-21swapper/100:19:591
205262240,0sleep220522-21sshd21:24:142
4542230,2sleep30-21swapper/322:12:213
253942230,1sleep125396-21id00:39:431
232082230,1sleep30-21swapper/321:18:263
231602230,1sleep023158-21bash22:03:040
134802230,2sleep313479-21bash00:12:283
254112220,2sleep22512-21runrttasks22:52:122
237932220,2sleep12024-21nfsd00:22:081
95482210,1sleep30-21swapper/300:38:173
289792210,2sleep10-21swapper/121:18:591
218602210,2sleep10-21swapper/122:00:081
179482210,0sleep017946-21bash21:26:570
79682200,2sleep17970-21bash21:35:081
2702992012,4cyclictest144650irq/27-eth000:28:072
2693992012,4cyclictest0-21swapper/000:08:260
2693992012,4cyclictest0-21swapper/000:08:260
269399200,15cyclictest0-21swapper/022:31:250
149312200,17sleep2144650irq/27-eth021:50:242
270299196,3cyclictest653-21sshd23:48:242
269399198,7cyclictest0-21swapper/022:45:100
269399190,18cyclictest20998-21sshd21:24:170
30572181,15sleep228950irq/26-ahci[00021:37:382
2705991814,2cyclictest0-21swapper/321:49:063
2705991813,3cyclictest6043-21sshd23:31:253
270299183,3cyclictest2960-21sshd21:40:342
270299183,14cyclictest2255-21sshd23:19:362
2702991813,3cyclictest12713-21sshd23:11:552
270299180,9cyclictest12242-21sshd23:29:122
2696991811,6cyclictest9905-21sshd22:13:151
197322180,2sleep10-21swapper/123:00:451
190292180,1sleep119032-21needreboot20:55:171
146722180,16sleep2144650irq/27-eth022:19:262
270599172,13cyclictest2647-21sshd21:22:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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