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2026-05-06 - 21:51
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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 rack7slot0.osadl.org (updated Wed May 06, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650650,0irq/26-eth1-rx-0-21swapper/307:05:293
120650600,0irq/26-eth1-rx-0-21swapper/107:07:381
112750580,0irq/25-eth00-21swapper/207:08:082
2186924720,0sleep00-21swapper/007:07:130
2216799160,0cyclictest0-21swapper/312:15:143
22165991514,0cyclictest0-21swapper/111:12:281
2216599150,0cyclictest20514-21cut12:35:111
22164991514,0cyclictest0-21swapper/010:25:100
41140,0ktimersoftd/00-21swapper/010:48:580
351140,0ktimersoftd/30-21swapper/311:46:383
22167991413,0cyclictest0-21swapper/311:01:343
22167991412,0cyclictest0-21swapper/311:53:433
22166991413,0cyclictest25286-21sshd10:53:192
22166991411,0cyclictest0-21swapper/209:49:252
22165991411,0cyclictest0-21swapper/109:21:391
112750140,0irq/25-eth00-21swapper/110:26:431
22167991313,0cyclictest112750irq/25-eth009:37:213
22167991312,0cyclictest1479-21nfsd12:06:503
22167991312,0cyclictest0-21swapper/312:32:173
22167991312,0cyclictest0-21swapper/310:16:513
22167991312,0cyclictest0-21swapper/309:21:543
2216799130,0cyclictest0-21swapper/311:33:513
2216799130,0cyclictest0-21swapper/310:40:393
2216799130,0cyclictest0-21swapper/309:42:133
22166991312,0cyclictest14924-21sshd09:39:402
22166991311,0cyclictest0-21swapper/211:46:452
2216699130,0cyclictest9002-21sshd11:33:522
2216699130,0cyclictest0-21swapper/212:04:322
22165991312,0cyclictest0-21swapper/111:26:111
22165991312,0cyclictest0-21swapper/109:39:261
22165991311,0cyclictest16957-21sshd12:30:191
22165991311,0cyclictest0-21swapper/112:21:491
2216599130,0cyclictest0-21swapper/111:58:561
2216599130,0cyclictest0-21swapper/110:55:111
2216599130,0cyclictest0-21swapper/110:30:541
22164991312,0cyclictest0-21swapper/009:20:060
22164991311,0cyclictest31403-21sshd09:50:120
2216499130,0cyclictest21188-21sshd11:18:220
2216499130,0cyclictest0-21swapper/012:22:160
2216499130,0cyclictest0-21swapper/011:58:060
2216499130,0cyclictest0-21swapper/010:50:300
2216499130,0cyclictest0-21swapper/010:36:320
112750130,0irq/25-eth023060-21bash11:10:070
351120,0ktimersoftd/30-21swapper/310:59:073
271120,0ktimersoftd/231301-21bash10:41:142
22167991212,0cyclictest0-21swapper/311:38:303
22167991212,0cyclictest0-21swapper/311:38:303
22167991211,0cyclictest0-21swapper/311:59:393
22167991211,0cyclictest0-21swapper/310:12:263
22167991211,0cyclictest0-21swapper/309:53:153
22167991210,0cyclictest0-21swapper/312:35:533
2216799120,0cyclictest0-21swapper/311:29:133
2216799120,0cyclictest0-21swapper/309:33:443
2216799120,0cyclictest0-21swapper/307:50:183
22166991211,0cyclictest0-21swapper/212:39:572
22166991211,0cyclictest0-21swapper/212:33:482
22166991211,0cyclictest0-21swapper/211:22:142
22166991211,0cyclictest0-21swapper/210:29:022
22166991211,0cyclictest0-21swapper/209:44:322
22166991210,0cyclictest0-21swapper/211:10:512
2216699120,0cyclictest0-21swapper/210:13:292
2216699120,0cyclictest0-21swapper/209:26:332
22165991211,0cyclictest0-21swapper/111:30:501
22165991211,0cyclictest0-21swapper/110:36:341
22165991211,0cyclictest0-21swapper/110:11:571
22165991211,0cyclictest0-21swapper/110:08:351
22165991211,0cyclictest0-21swapper/109:44:181
22165991211,0cyclictest0-21swapper/109:32:131
22165991211,0cyclictest0-21swapper/109:19:061
22165991210,0cyclictest0-21swapper/110:04:111
2216599120,0cyclictest28692-21sshd10:19:451
2216599120,0cyclictest23273-21bash11:05:451
2216599120,0cyclictest14089-21diskmemload10:40:141
2216599120,0cyclictest112750irq/25-eth010:52:051
22164991212,0cyclictest0-21swapper/010:55:080
22164991211,0cyclictest0-21swapper/011:43:560
22164991210,0cyclictest0-21swapper/012:27:080
22164991210,0cyclictest0-21swapper/011:52:110
22164991210,0cyclictest0-21swapper/009:31:570
22164991210,0cyclictest0-21swapper/008:53:170
2216499120,0cyclictest0-21swapper/012:32:010
112750120,0irq/25-eth00-21swapper/311:12:573
41110,0ktimersoftd/08972-21sshd09:47:170
351110,0ktimersoftd/30-21swapper/312:23:413
22167991111,0cyclictest0-21swapper/310:38:203
22167991111,0cyclictest0-21swapper/310:09:033
22167991111,0cyclictest0-21swapper/307:15:233
22167991110,0cyclictest18433-21sshd11:22:143
22167991110,0cyclictest0-21swapper/310:21:143
22167991110,0cyclictest0-21swapper/309:47:063
2216799110,0cyclictest13273-21sshd10:30:183
2216799110,0cyclictest0-21swapper/310:00:143
2216799110,0cyclictest0-21swapper/309:12:293
22166991111,0cyclictest0-21swapper/209:58:562
22166991111,0cyclictest0-21swapper/207:15:162
22166991110,0cyclictest28445-21rm12:27:392
22166991110,0cyclictest14569-21bash12:21:292
22166991110,0cyclictest0-21swapper/212:16:362
22166991110,0cyclictest0-21swapper/212:08:082
2216599119,0cyclictest0-21swapper/108:21:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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