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2026-06-19 - 11:02
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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 Jun 19, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2394921310,1sleep023940-21sshd22:19:590
590221180,2sleep30-21swapper/300:25:083
118822980,0sleep00-21swapper/022:25:520
3127929132,55sleep30-21swapper/319:09:413
226002900,1sleep22023-21nfsd23:13:422
87802890,1sleep30-21swapper/322:04:033
156832870,2sleep215680-21sshd00:37:262
104462860,2sleep310448-21bash22:21:583
200842850,2sleep320071-21sshd23:09:513
3106528433,47sleep10-21swapper/119:07:001
302582840,2sleep230248-21sshd21:31:232
139482840,0sleep00-21swapper/023:52:110
270172830,2sleep127012-21sshd22:13:221
222622820,2sleep10-21swapper/123:38:381
225252810,2sleep20-21swapper/221:37:282
172032810,0sleep041ktimersoftd/022:01:230
310602800,2sleep30-21swapper/300:20:193
247972800,1sleep024789-21sshd23:28:310
16692790,2sleep20-21swapper/223:07:482
212992770,1sleep30-21swapper/322:19:413
155132770,2sleep10-21swapper/123:09:201
278782760,1sleep127863-21sshd21:27:461
125052750,4sleep13156199cyclictest00:37:041
6382740,1sleep0636-21sshd22:49:280
237052740,4sleep23156299cyclictest23:46:042
167512740,4sleep33156399cyclictest23:27:383
234032730,1sleep10-21swapper/123:49:441
201432730,2sleep10-21swapper/100:15:281
181192730,2sleep118120-21sshd23:02:111
255832720,1sleep20-21swapper/221:55:032
36602700,2sleep20-21swapper/223:33:102
32602700,1sleep10-21swapper/122:57:021
261462700,1sleep026145-21bash21:41:160
174382690,4sleep30-21swapper/322:40:413
174382690,4sleep30-21swapper/322:40:403
92012670,3sleep33156399cyclictest21:29:153
130812650,3sleep23156299cyclictest23:01:322
113742640,1sleep20-21swapper/221:50:062
3111026118,11sleep20-21swapper/219:07:332
198362580,1sleep30-21swapper/323:24:213
45922510,0sleep04591-21bash23:36:400
3096424832,13sleep00-21swapper/019:05:540
103022400,1sleep10-21swapper/100:10:191
66512393,32sleep2144650irq/27-eth022:00:142
272372370,2sleep327236-21bash21:24:193
270442330,31sleep228950irq/26-ahci[00000:12:352
139122330,0sleep00-21swapper/022:43:590
139122330,0sleep00-21swapper/022:43:590
57752320,2sleep25772-21bash21:25:222
134162310,1sleep20-21swapper/200:29:362
241112300,2sleep00-21swapper/000:19:400
41342260,3sleep30-21swapper/300:17:273
202262250,3sleep10-21swapper/122:05:121
110032242,20sleep2144650irq/27-eth021:15:382
81232230,21sleep2144650irq/27-eth000:17:562
6502230,3sleep10-21swapper/121:31:431
79692220,3sleep20-21swapper/200:21:182
293432220,2sleep041ktimersoftd/000:27:460
209432220,3sleep20-21swapper/219:55:202
93442210,2sleep29343-21bash22:50:182
48552210,4sleep22023-21nfsd22:46:202
289782210,2sleep20-21swapper/222:13:352
176402210,2sleep33156399cyclictest21:54:123
175762210,19sleep2144650irq/27-eth023:20:202
221212201,17sleep2144650irq/27-eth023:28:142
53442190,17sleep2144650irq/27-eth000:06:212
256002190,1sleep00-21swapper/021:48:080
86112180,16sleep2144650irq/27-eth021:42:552
3156299184,9cyclictest29529-21sshd22:34:502
3156299184,13cyclictest27260-21sshd22:59:422
3156299180,7cyclictest4641-21sshd22:42:582
3156299180,7cyclictest4641-21sshd22:42:572
3156299180,17cyclictest144650irq/27-eth022:29:182
3156199187,2cyclictest0-21swapper/122:20:111
31563991712,3cyclictest19233-21id22:51:193
3156399170,15cyclictest27518-21sshd21:31:053
3156299174,5cyclictest6680-21fschecks_count23:55:152
3156199177,4cyclictest0-21swapper/122:38:411
3156199176,2cyclictest16702-21bash22:15:361
3156099170,13cyclictest28994-21nfsd21:55:200
3156099170,12cyclictest31559-21cyclictest21:28:450
275402170,15sleep2144650irq/27-eth023:18:002
144652172,13sleep2144650irq/27-eth022:18:572
3156399168,7cyclictest15152-21sshd23:48:503
31563991614,2cyclictest0-21swapper/321:45:563
31563991611,3cyclictest0-21swapper/321:36:403
3156399160,14cyclictest0-21swapper/322:30:023
3156299166,9cyclictest153250irq/28-eth1-rx-00:30:202
3156299163,6cyclictest21740-21sshd21:13:262
31562991611,4cyclictest6481-21sshd22:07:172
3156299160,8cyclictest29683-21munin-node21:45:182
3156299160,6cyclictest17497-21sshd00:00:062
3156299160,14cyclictest31896-21sshd22:35:042
3156299160,12cyclictest25249-21sshd22:20:052
3156299160,11cyclictest1085-21sshd21:25:012
3156199168,7cyclictest23064-21sshd21:51:151
3156199167,8cyclictest737-21sshd21:45:241
3156199162,6cyclictest17113-21sshd22:51:041
3156199161,1cyclictest4079-21sshd21:39:001
3156199160,14cyclictest12001-21sshd00:21:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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