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2026-04-26 - 19:29
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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 Sun Apr 26, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650610,0irq/26-eth1-rx-0-21swapper/307:08:183
112750610,0irq/25-eth00-21swapper/107:05:251
112750560,0irq/25-eth00-21swapper/207:06:162
112750470,0irq/25-eth00-21swapper/007:06:470
744399191,0cyclictest603-21expr12:15:122
7441991715,0cyclictest0-21swapper/010:14:040
744199160,0cyclictest0-21swapper/011:07:370
7444991512,0cyclictest0-21swapper/309:19:003
7444991511,0cyclictest26311-21latency_hist12:10:003
7443991514,0cyclictest0-21swapper/211:44:582
7443991514,0cyclictest0-21swapper/209:13:292
7443991511,0cyclictest7247-21memory08:15:182
7443991511,0cyclictest0-21swapper/210:03:182
7443991411,0cyclictest0-21swapper/211:21:232
7443991411,0cyclictest0-21swapper/210:06:422
744399140,0cyclictest17271-21bash11:03:582
744399140,0cyclictest0-21swapper/212:33:532
744399140,0cyclictest0-21swapper/211:05:202
7442991412,0cyclictest17787-21sshd11:25:291
7442991412,0cyclictest0-21swapper/110:01:151
7442991411,0cyclictest0-21swapper/112:06:211
7442991410,0cyclictest0-21swapper/111:46:021
744299140,0cyclictest20613-21sshd10:42:501
7444991312,0cyclictest0-21swapper/310:17:193
7444991312,0cyclictest0-21swapper/309:55:363
7443991312,0cyclictest0-21swapper/212:07:022
7443991312,0cyclictest0-21swapper/209:49:442
7443991312,0cyclictest0-21swapper/209:33:112
744399130,0cyclictest0-21swapper/207:20:062
7442991313,0cyclictest0-21swapper/111:16:241
744299130,0cyclictest112750irq/25-eth012:15:401
744299130,0cyclictest0-21swapper/112:30:121
744299130,0cyclictest0-21swapper/110:57:421
744299130,0cyclictest0-21swapper/109:23:091
744199136,0cyclictest0-21swapper/011:32:000
7441991312,0cyclictest0-21swapper/012:18:570
7441991312,0cyclictest0-21swapper/010:22:320
7441991312,0cyclictest0-21swapper/010:22:320
7441991311,0cyclictest31757-21diskmemload12:01:510
351130,0ktimersoftd/30-21swapper/310:37:323
191130,0ktimersoftd/10-21swapper/109:44:031
112750130,0irq/25-eth00-21swapper/309:13:393
112750130,0irq/25-eth00-21swapper/111:12:131
7444991212,0cyclictest0-21swapper/312:31:503
7444991211,0cyclictest4455-21bash11:23:513
7444991211,0cyclictest20465-21sshd11:43:163
7444991211,0cyclictest18030-21sshd10:55:183
7444991211,0cyclictest10038-21sshd11:37:323
7444991211,0cyclictest0-21swapper/311:27:363
7444991211,0cyclictest0-21swapper/310:12:193
7444991210,0cyclictest0-21swapper/309:37:073
7444991210,0cyclictest0-21swapper/309:28:113
7443991211,0cyclictest25357-21sshd11:48:132
7443991211,0cyclictest0-21swapper/209:56:282
744399120,0cyclictest0-21swapper/212:24:212
744399120,0cyclictest0-21swapper/210:47:502
744399120,0cyclictest0-21swapper/210:10:112
7442991211,0cyclictest27949-21bash12:35:591
7442991211,0cyclictest1539-21sshd10:39:071
7442991211,0cyclictest0-21swapper/109:46:021
7442991211,0cyclictest0-21swapper/109:30:351
7442991210,0cyclictest31757-21diskmemload10:24:571
7442991210,0cyclictest31757-21diskmemload10:24:571
7442991210,0cyclictest0-21swapper/111:33:151
7442991210,0cyclictest0-21swapper/110:09:441
7442991210,0cyclictest0-21swapper/109:17:411
744299120,0cyclictest0-21swapper/112:26:411
744299120,0cyclictest0-21swapper/109:11:041
744299120,0cyclictest0-21swapper/107:40:141
744299120,0cyclictest0-21swapper/107:15:151
7441991211,0cyclictest3078-21sshd12:28:270
7441991211,0cyclictest0-21swapper/011:47:340
7441991211,0cyclictest0-21swapper/011:00:180
7441991211,0cyclictest0-21swapper/010:26:010
7441991211,0cyclictest0-21swapper/010:05:350
7441991211,0cyclictest0-21swapper/009:31:260
744199120,0cyclictest23626-21sshd11:17:430
744199120,0cyclictest0-21swapper/009:57:060
41120,0ktimersoftd/00-21swapper/008:40:190
191120,0ktimersoftd/10-21swapper/112:23:121
112750120,0irq/25-eth017534-21sshd11:38:330
112750120,0irq/25-eth00-21swapper/111:53:421
112750120,0irq/25-eth00-21swapper/010:04:530
7444991111,0cyclictest0-21swapper/311:15:313
7444991111,0cyclictest0-21swapper/311:14:013
7444991111,0cyclictest0-21swapper/310:25:153
7444991110,0cyclictest27778-21sshd11:48:353
7444991110,0cyclictest14667-21sshd12:25:353
7444991110,0cyclictest0-21swapper/310:49:303
7444991110,0cyclictest0-21swapper/310:09:043
744499110,0cyclictest29891-21sshd09:52:213
744499110,0cyclictest0-21swapper/311:33:523
744399119,0cyclictest0-21swapper/208:46:542
7443991111,0cyclictest0-21swapper/211:18:222
7443991111,0cyclictest0-21swapper/211:11:042
7443991110,0cyclictest0-21swapper/209:42:462
7443991110,0cyclictest0-21swapper/208:38:522
7443991110,0cyclictest0-21swapper/208:32:082
744399110,0cyclictest8038-21sshd09:19:392
744399110,0cyclictest23644-21sshd09:51:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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