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2026-05-16 - 04:31
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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 Sat May 16, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1135321240,1sleep00-21swapper/021:33:380
2798721230,1sleep127988-21sshd21:39:041
2365021230,3sleep32831699cyclictest00:24:453
2193521230,3sleep22831599cyclictest22:47:182
27823210632,44sleep10-21swapper/119:07:051
210362910,2sleep30-21swapper/323:45:023
79592890,3sleep30-21swapper/322:49:203
160592880,3sleep22831599cyclictest22:28:352
312272850,3sleep20-21swapper/223:09:182
2788928533,48sleep30-21swapper/319:07:543
32382840,2sleep30-21swapper/323:43:053
219442840,2sleep121941-21sshd23:08:171
18592840,3sleep20-21swapper/222:52:032
18592840,3sleep20-21swapper/222:52:032
155292840,1sleep00-21swapper/023:55:150
265032830,0sleep00-21swapper/021:14:310
90482820,2sleep10-21swapper/122:59:481
90482820,2sleep10-21swapper/122:59:471
89332820,1sleep00-21swapper/000:37:480
2782928133,12sleep20-21swapper/219:07:092
125322810,2sleep00-21swapper/023:21:550
96072800,2sleep39606-21bash00:12:233
170442790,1sleep017040-21sshd22:25:000
22792770,1sleep22831599cyclictest22:02:332
291852760,4sleep32831699cyclictest21:18:223
102062760,5sleep12831499cyclictest00:30:161
47392750,2sleep10-21swapper/122:52:221
47392750,2sleep10-21swapper/122:52:211
257062750,2sleep30-21swapper/321:14:263
208072750,1sleep00-21swapper/000:20:240
139832750,3sleep00-21swapper/021:26:570
284592740,2sleep128457-21sshd00:07:041
249312740,2sleep30-21swapper/322:44:153
236582740,2sleep20-21swapper/221:24:382
208462730,2sleep120847-21sshd21:17:281
266772710,2sleep226671-21sshd22:11:552
77622700,1sleep10-21swapper/100:26:311
13712700,3sleep32831699cyclictest23:35:513
287602680,4sleep12831499cyclictest23:01:471
287602680,4sleep12831499cyclictest23:01:471
232032670,2sleep123196-21sshd23:27:191
88662660,1sleep30-21swapper/323:58:033
326612650,1sleep332663-21id23:02:143
326612650,1sleep332663-21id23:02:143
182682640,4sleep12831499cyclictest23:55:301
212922620,1sleep22831599cyclictest23:51:542
317192570,2sleep10-21swapper/100:21:381
89762483,42sleep1144650irq/27-eth021:59:571
173792480,1sleep10-21swapper/121:23:571
2797524732,11sleep00-21swapper/019:08:590
123382460,2sleep20-21swapper/223:58:272
288022430,0sleep028803-21sshd22:12:090
185862350,2sleep318583-21sshd00:05:573
211132340,32sleep3144650irq/27-eth022:29:163
310002330,0sleep330999-21bash21:28:483
133582300,27sleep1144650irq/27-eth023:14:551
169442290,0sleep016941-21seq23:11:080
76952280,3sleep20-21swapper/222:16:442
238342260,1sleep023826-21sshd23:19:380
218252260,2sleep10-21swapper/100:39:131
188692260,3sleep30-21swapper/323:26:463
53962240,22sleep2144650irq/27-eth023:17:362
190892240,22sleep1144650irq/27-eth023:34:271
274112230,3sleep20-21swapper/200:39:502
243402230,2sleep30-21swapper/300:31:583
116452230,3sleep30-21swapper/322:20:513
109622230,21sleep2144650irq/27-eth000:19:322
44762210,0sleep04467-21sshd22:48:560
317112210,19sleep3144650irq/27-eth022:30:243
2831399210,12cyclictest0-21swapper/023:00:150
2831399210,12cyclictest0-21swapper/023:00:140
298082200,1sleep20-21swapper/221:51:032
195092200,2sleep20-21swapper/223:48:172
14072200,1sleep10-21swapper/122:37:521
2831699191,13cyclictest0-21swapper/321:43:583
2831399190,2cyclictest28510-21sshd00:14:280
265292190,17sleep3144650irq/27-eth023:16:213
248792190,17sleep3144650irq/27-eth022:18:383
28315991811,6cyclictest0-21swapper/219:35:552
2831599180,9cyclictest2024-21nfsd23:27:212
210932181,15sleep128950irq/26-ahci[00021:54:121
178022180,1sleep20-21swapper/223:30:422
2831599173,9cyclictest36-21rcuop/222:34:172
2831599173,13cyclictest0-21swapper/220:35:592
2831599171,8cyclictest29932-21munin-node19:10:232
28315991715,1cyclictest0-21swapper/221:15:502
28314991715,1cyclictest0-21swapper/122:40:341
28314991711,4cyclictest12691-21bash23:37:071
2831399173,10cyclictest29007-21hddtemp_smartct19:10:150
2831399172,11cyclictest5265-21sshd23:29:160
2831399170,1cyclictest3934-21sshd23:46:340
2831399170,1cyclictest11709-21sshd00:26:580
2831399170,14cyclictest0-21swapper/020:50:320
211742170,15sleep1144650irq/27-eth023:51:531
2831699165,9cyclictest30812-21sshd21:32:093
2831699165,3cyclictest10682-21sshd23:54:453
2831699165,0cyclictest0-21swapper/300:29:053
28316991610,5cyclictest26410-21sshd22:51:093
28316991610,5cyclictest26410-21sshd22:51:093
28316991610,1cyclictest21934-21sshd23:31:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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