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2026-09-20 - 06:03
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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 20, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2422121300,1sleep00-21swapper/000:31:160
2123121280,4sleep02065299cyclictest23:55:530
896521220,2sleep20-21swapper/200:06:252
321092920,6sleep02065299cyclictest22:07:080
2024129233,55sleep10-21swapper/119:08:051
2024129233,55sleep10-21swapper/119:08:051
173152910,1sleep017316-21sshd00:24:540
220462880,2sleep32076-21nscd22:53:323
2022328833,51sleep30-21swapper/319:07:513
2022328833,51sleep30-21swapper/319:07:513
320662870,3sleep02066-21nscd00:17:260
203702870,1sleep00-21swapper/000:25:110
251212860,1sleep00-21swapper/022:30:120
285682800,4sleep32065599cyclictest22:21:253
192622800,2sleep319258-21sshd22:26:263
189672800,2sleep10-21swapper/121:56:471
148442790,1sleep214842-21sshd00:33:232
108632780,2sleep30-21swapper/323:49:113
52732770,2sleep30-21swapper/323:36:493
310822770,2sleep10-21swapper/122:15:461
259462770,1sleep10-21swapper/121:40:031
95522760,2sleep29553-21sshd23:15:552
20562760,2sleep32052-21bash21:23:293
143072750,3sleep22065499cyclictest23:01:412
128822750,1sleep312879-21cp00:27:273
70142740,1sleep20-21swapper/222:19:322
38712740,2sleep30-21swapper/300:35:153
2015627332,9sleep20-21swapper/219:07:022
2015627332,9sleep20-21swapper/219:07:022
180492730,2sleep10-21swapper/123:58:381
43132720,2sleep10-21swapper/122:31:131
17962710,1sleep20-21swapper/223:30:182
110682700,3sleep12065399cyclictest00:33:011
144472670,0sleep00-21swapper/021:50:240
60712640,1sleep12065399cyclictest00:15:051
231712610,3sleep22065499cyclictest23:47:212
81982600,2sleep20-21swapper/200:03:332
318332590,1sleep031813-21sshd21:26:040
196282570,0sleep00-21swapper/023:22:500
87852490,44sleep3144650irq/27-eth023:10:003
2002124833,11sleep00-21swapper/019:05:280
2002124833,11sleep00-21swapper/019:05:270
78662400,0sleep37867-21bash22:16:363
247282370,2sleep224727-21bash23:23:212
20653993620,6cyclictest14172-21iostat21:10:161
20655993322,6cyclictest23271-21bash22:47:423
20653993326,1cyclictest144650irq/27-eth021:53:191
20653993215,10cyclictest8132-21sshd23:37:041
31282310,1sleep00-21swapper/021:20:380
161392310,0sleep316138-21sshd21:33:203
20655993027,2cyclictest0-21swapper/323:52:213
2065399306,10cyclictest14297-21sshd23:34:381
20653993021,6cyclictest25877-21sshd22:39:101
327252290,1sleep10-21swapper/100:14:331
217282290,1sleep20-21swapper/223:29:092
2065399292,22cyclictest0-21swapper/122:40:491
20653992920,6cyclictest28950irq/26-ahci[00021:47:371
20653992920,6cyclictest144650irq/27-eth000:01:301
20653992910,10cyclictest0-21swapper/122:00:431
2065399288,17cyclictest22-21ksoftirqd/122:46:451
20653992822,2cyclictest6761-21sshd23:40:051
20653992821,4cyclictest25597-21bash23:05:381
20653992821,4cyclictest144650irq/27-eth023:54:591
20653992821,4cyclictest12665-21sshd23:19:081
20653992821,4cyclictest0-21swapper/122:23:161
20653992818,6cyclictest12677-21sshd00:39:001
20653992815,11cyclictest23641-21sshd22:12:201
34122270,4sleep32065599cyclictest00:03:053
2065399278,10cyclictest10631-21sshd22:25:321
20653992721,5cyclictest20402-21sshd23:22:551
20653992719,6cyclictest19805-21bash23:10:501
20653992718,6cyclictest18068-21sshd00:22:021
203542270,2sleep220344-21sshd22:20:402
2065399268,7cyclictest27041-21sshd23:26:321
2065399267,7cyclictest23672-21sshd23:02:311
20653992622,2cyclictest22745-21sshd21:25:181
2065399254,8cyclictest29460-21bash21:23:031
20653992520,3cyclictest18372-21sshd22:05:461
20653992520,3cyclictest1392-21sshd22:57:321
20653992519,4cyclictest8903-21sshd23:46:041
20653992517,5cyclictest17101-21sshd00:27:501
20653992517,4cyclictest4996-21sshd00:06:041
20653992517,4cyclictest17936-21sshd22:53:071
20653992515,7cyclictest8902-21sshd21:18:231
2065299250,1cyclictest16738-21sshd23:31:440
105452250,22sleep3144650irq/27-eth021:44:263
321352240,1sleep20-21swapper/223:51:072
277692240,1sleep30-21swapper/323:02:533
20653992419,3cyclictest2284-21sshd21:32:031
20653992416,4cyclictest10493-21latency_hist21:10:011
20653992413,6cyclictest17597-21sh20:14:591
11082240,2sleep30-21swapper/323:24:133
20655992312,1cyclictest0-21swapper/322:45:003
103542230,2sleep30-21swapper/300:09:383
97992220,2sleep29801-21sshd21:50:062
288402220,1sleep028838-21sshd23:05:550
195202220,3sleep20-21swapper/223:41:092
188612220,2sleep218858-21bash22:35:352
20653992115,4cyclictest22-21ksoftirqd/121:35:251
2065299211,18cyclictest0-21swapper/021:42:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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